From e84607b8e8c82f0b8ac5548728bc3f55c1c0acec Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 11 Jul 2020 10:26:42 +0800
Subject: [PATCH 01/14] refactor: Rename constants.string into tr.

---
 command.py                 | 338 ++++++++++++++++++-------------------
 constants.py               |   2 +-
 media/file.py              |  16 +-
 media/radio.py             |  16 +-
 media/url.py               |  18 +-
 media/url_from_playlist.py |  16 +-
 mumbleBot.py               |  40 +++--
 7 files changed, 226 insertions(+), 220 deletions(-)

diff --git a/command.py b/command.py
index e86866a..d55146c 100644
--- a/command.py
+++ b/command.py
@@ -6,7 +6,7 @@ import json
 import re
 import pymumble_py3 as pymumble
 
-import constants
+from constants import tr, commands
 import interface
 import media.system
 import util
@@ -22,56 +22,56 @@ log = logging.getLogger("bot")
 
 
 def register_all_commands(bot):
-    bot.register_command(constants.commands('joinme'), cmd_joinme, access_outside_channel=True)
-    bot.register_command(constants.commands('user_ban'), cmd_user_ban, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('user_unban'), cmd_user_unban, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('url_ban_list'), cmd_url_ban_list, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('url_ban'), cmd_url_ban, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('url_unban'), cmd_url_unban, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('play'), cmd_play)
-    bot.register_command(constants.commands('pause'), cmd_pause)
-    bot.register_command(constants.commands('play_file'), cmd_play_file)
-    bot.register_command(constants.commands('play_file_match'), cmd_play_file_match)
-    bot.register_command(constants.commands('play_url'), cmd_play_url)
-    bot.register_command(constants.commands('play_playlist'), cmd_play_playlist)
-    bot.register_command(constants.commands('play_radio'), cmd_play_radio)
-    bot.register_command(constants.commands('play_tag'), cmd_play_tags)
-    bot.register_command(constants.commands('rb_query'), cmd_rb_query)
-    bot.register_command(constants.commands('rb_play'), cmd_rb_play)
-    bot.register_command(constants.commands('yt_search'), cmd_yt_search)
-    bot.register_command(constants.commands('yt_play'), cmd_yt_play)
-    bot.register_command(constants.commands('help'), cmd_help, no_partial_match=False, access_outside_channel=True)
-    bot.register_command(constants.commands('stop'), cmd_stop)
-    bot.register_command(constants.commands('clear'), cmd_clear)
-    bot.register_command(constants.commands('kill'), cmd_kill, admin=True)
-    bot.register_command(constants.commands('update'), cmd_update, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('stop_and_getout'), cmd_stop_and_getout)
-    bot.register_command(constants.commands('volume'), cmd_volume)
-    bot.register_command(constants.commands('ducking'), cmd_ducking)
-    bot.register_command(constants.commands('ducking_threshold'), cmd_ducking_threshold)
-    bot.register_command(constants.commands('ducking_volume'), cmd_ducking_volume)
-    bot.register_command(constants.commands('current_music'), cmd_current_music)
-    bot.register_command(constants.commands('skip'), cmd_skip)
-    bot.register_command(constants.commands('last'), cmd_last)
-    bot.register_command(constants.commands('remove'), cmd_remove)
-    bot.register_command(constants.commands('list_file'), cmd_list_file)
-    bot.register_command(constants.commands('queue'), cmd_queue)
-    bot.register_command(constants.commands('random'), cmd_random)
-    bot.register_command(constants.commands('repeat'), cmd_repeat)
-    bot.register_command(constants.commands('mode'), cmd_mode)
-    bot.register_command(constants.commands('add_tag'), cmd_add_tag)
-    bot.register_command(constants.commands('remove_tag'), cmd_remove_tag)
-    bot.register_command(constants.commands('find_tagged'), cmd_find_tagged)
-    bot.register_command(constants.commands('search'), cmd_search_library)
-    bot.register_command(constants.commands('add_from_shortlist'), cmd_shortlist)
-    bot.register_command(constants.commands('delete_from_library'), cmd_delete_from_library)
-    bot.register_command(constants.commands('drop_database'), cmd_drop_database, no_partial_match=True, admin=True)
-    bot.register_command(constants.commands('rescan'), cmd_refresh_cache, no_partial_match=True)
-    bot.register_command(constants.commands('requests_webinterface_access'), cmd_web_access)
-    bot.register_command(constants.commands('add_webinterface_user'), cmd_web_user_add, admin=True)
-    bot.register_command(constants.commands('remove_webinterface_user'), cmd_web_user_remove, admin=True)
-    bot.register_command(constants.commands('list_webinterface_user'), cmd_web_user_list, admin=True)
-    bot.register_command(constants.commands('change_user_password'), cmd_user_password, no_partial_match=True)
+    bot.register_command(commands('joinme'), cmd_joinme, access_outside_channel=True)
+    bot.register_command(commands('user_ban'), cmd_user_ban, no_partial_match=True, admin=True)
+    bot.register_command(commands('user_unban'), cmd_user_unban, no_partial_match=True, admin=True)
+    bot.register_command(commands('url_ban_list'), cmd_url_ban_list, no_partial_match=True, admin=True)
+    bot.register_command(commands('url_ban'), cmd_url_ban, no_partial_match=True, admin=True)
+    bot.register_command(commands('url_unban'), cmd_url_unban, no_partial_match=True, admin=True)
+    bot.register_command(commands('play'), cmd_play)
+    bot.register_command(commands('pause'), cmd_pause)
+    bot.register_command(commands('play_file'), cmd_play_file)
+    bot.register_command(commands('play_file_match'), cmd_play_file_match)
+    bot.register_command(commands('play_url'), cmd_play_url)
+    bot.register_command(commands('play_playlist'), cmd_play_playlist)
+    bot.register_command(commands('play_radio'), cmd_play_radio)
+    bot.register_command(commands('play_tag'), cmd_play_tags)
+    bot.register_command(commands('rb_query'), cmd_rb_query)
+    bot.register_command(commands('rb_play'), cmd_rb_play)
+    bot.register_command(commands('yt_search'), cmd_yt_search)
+    bot.register_command(commands('yt_play'), cmd_yt_play)
+    bot.register_command(commands('help'), cmd_help, no_partial_match=False, access_outside_channel=True)
+    bot.register_command(commands('stop'), cmd_stop)
+    bot.register_command(commands('clear'), cmd_clear)
+    bot.register_command(commands('kill'), cmd_kill, admin=True)
+    bot.register_command(commands('update'), cmd_update, no_partial_match=True, admin=True)
+    bot.register_command(commands('stop_and_getout'), cmd_stop_and_getout)
+    bot.register_command(commands('volume'), cmd_volume)
+    bot.register_command(commands('ducking'), cmd_ducking)
+    bot.register_command(commands('ducking_threshold'), cmd_ducking_threshold)
+    bot.register_command(commands('ducking_volume'), cmd_ducking_volume)
+    bot.register_command(commands('current_music'), cmd_current_music)
+    bot.register_command(commands('skip'), cmd_skip)
+    bot.register_command(commands('last'), cmd_last)
+    bot.register_command(commands('remove'), cmd_remove)
+    bot.register_command(commands('list_file'), cmd_list_file)
+    bot.register_command(commands('queue'), cmd_queue)
+    bot.register_command(commands('random'), cmd_random)
+    bot.register_command(commands('repeat'), cmd_repeat)
+    bot.register_command(commands('mode'), cmd_mode)
+    bot.register_command(commands('add_tag'), cmd_add_tag)
+    bot.register_command(commands('remove_tag'), cmd_remove_tag)
+    bot.register_command(commands('find_tagged'), cmd_find_tagged)
+    bot.register_command(commands('search'), cmd_search_library)
+    bot.register_command(commands('add_from_shortlist'), cmd_shortlist)
+    bot.register_command(commands('delete_from_library'), cmd_delete_from_library)
+    bot.register_command(commands('drop_database'), cmd_drop_database, no_partial_match=True, admin=True)
+    bot.register_command(commands('rescan'), cmd_refresh_cache, no_partial_match=True)
+    bot.register_command(commands('requests_webinterface_access'), cmd_web_access)
+    bot.register_command(commands('add_webinterface_user'), cmd_web_user_add, admin=True)
+    bot.register_command(commands('remove_webinterface_user'), cmd_web_user_remove, admin=True)
+    bot.register_command(commands('list_webinterface_user'), cmd_web_user_list, admin=True)
+    bot.register_command(commands('change_user_password'), cmd_user_password, no_partial_match=True)
     # Just for debug use
     bot.register_command('rtrms', cmd_real_time_rms, True)
     # bot.register_command('loop', cmd_loop_state, True)
@@ -160,7 +160,7 @@ def cmd_url_ban(bot, user, text, command, parameter):
             var.cache.free_and_delete(item.id)
             var.playlist.remove_by_id(item.id)
         else:
-            bot.send_msg(constants.strings('bad_parameter', command=command), text)
+            bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_url_ban_list(bot, user, text, command, parameter):
@@ -184,14 +184,14 @@ def cmd_play(bot, user, text, command, parameter):
         if params[0].isdigit() and 1 <= int(params[0]) <= len(var.playlist):
             index = int(params[0])
         else:
-            bot.send_msg(constants.strings('invalid_index', index=parameter), text)
+            bot.send_msg(tr('invalid_index', index=parameter), text)
             return
 
         if len(params) > 1:
             try:
                 start_at = util.parse_time(params[1])
             except ValueError:
-                bot.send_msg(constants.strings('bad_parameter', command=command), text)
+                bot.send_msg(tr('bad_parameter', command=command), text)
                 return
 
     if len(var.playlist) > 0:
@@ -204,14 +204,14 @@ def cmd_play(bot, user, text, command, parameter):
             bot.send_msg(var.playlist.current_item().format_current_playing(), text)
     else:
         bot.is_pause = False
-        bot.send_msg(constants.strings('queue_empty'), text)
+        bot.send_msg(tr('queue_empty'), text)
 
 
 def cmd_pause(bot, user, text, command, parameter):
     global log
 
     bot.pause()
-    bot.send_channel_msg(constants.strings('paused'))
+    bot.send_channel_msg(tr('paused'))
 
 
 def cmd_play_file(bot, user, text, command, parameter, do_not_refresh_cache=False):
@@ -222,7 +222,7 @@ def cmd_play_file(bot, user, text, command, parameter, do_not_refresh_cache=Fals
     if music_wrappers:
         var.playlist.append(music_wrappers[0])
         log.info("cmd: add to playlist: " + music_wrappers[0].format_debug_string())
-        bot.send_msg(constants.strings('file_added', item=music_wrappers[0].format_song_string()), text)
+        bot.send_msg(tr('file_added', item=music_wrappers[0].format_song_string()), text)
         return
 
     # assume parameter is a folder
@@ -230,7 +230,7 @@ def cmd_play_file(bot, user, text, command, parameter, do_not_refresh_cache=Fals
                                                                              .and_equal('type', 'file')
                                                                              .and_like('path', parameter + '%')), user)
     if music_wrappers:
-        msgs = [constants.strings('multiple_file_added')]
+        msgs = [tr('multiple_file_added')]
 
         for music_wrapper in music_wrappers:
             log.info("cmd: add to playlist: " + music_wrapper.format_debug_string())
@@ -249,20 +249,20 @@ def cmd_play_file(bot, user, text, command, parameter, do_not_refresh_cache=Fals
         music_wrapper = get_cached_wrapper_from_dict(matches[0], user)
         var.playlist.append(music_wrapper)
         log.info("cmd: add to playlist: " + music_wrapper.format_debug_string())
-        bot.send_msg(constants.strings('file_added', item=music_wrapper.format_song_string()), text)
+        bot.send_msg(tr('file_added', item=music_wrapper.format_song_string()), text)
         return
     elif len(matches) > 1:
         song_shortlist = matches
-        msgs = [constants.strings('multiple_matches')]
+        msgs = [tr('multiple_matches')]
         for index, match in enumerate(matches):
             msgs.append("<b>{:d}</b> - <b>{:s}</b> ({:s})".format(
                 index + 1, match['title'], match['path']))
-        msgs.append(constants.strings("shortlist_instruction"))
+        msgs.append(tr("shortlist_instruction"))
         send_multi_lines(bot, msgs, text)
         return
 
     if do_not_refresh_cache:
-        bot.send_msg(constants.strings("no_file"), text)
+        bot.send_msg(tr("no_file"), text)
     else:
         var.cache.build_dir_cache()
         cmd_play_file(bot, user, text, command, parameter, do_not_refresh_cache=True)
@@ -273,7 +273,7 @@ def cmd_play_file_match(bot, user, text, command, parameter, do_not_refresh_cach
 
     if parameter:
         file_dicts = var.music_db.query_music(Condition().and_equal('type', 'file'))
-        msgs = [constants.strings('multiple_file_added') + "<ul>"]
+        msgs = [tr('multiple_file_added') + "<ul>"]
         try:
             count = 0
             music_wrappers = []
@@ -299,16 +299,16 @@ def cmd_play_file_match(bot, user, text, command, parameter, do_not_refresh_cach
                 send_multi_lines_in_channel(bot, msgs, "")
             else:
                 if do_not_refresh_cache:
-                    bot.send_msg(constants.strings("no_file"), text)
+                    bot.send_msg(tr("no_file"), text)
                 else:
                     var.cache.build_dir_cache()
                     cmd_play_file_match(bot, user, text, command, parameter, do_not_refresh_cache=True)
 
         except re.error as e:
-            msg = constants.strings('wrong_pattern', error=str(e))
+            msg = tr('wrong_pattern', error=str(e))
             bot.send_msg(msg, text)
     else:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_play_url(bot, user, text, command, parameter):
@@ -320,12 +320,12 @@ def cmd_play_url(bot, user, text, command, parameter):
         var.playlist.append(music_wrapper)
 
         log.info("cmd: add to playlist: " + music_wrapper.format_debug_string())
-        bot.send_msg(constants.strings('file_added', item=music_wrapper.format_song_string()), text)
+        bot.send_msg(tr('file_added', item=music_wrapper.format_song_string()), text)
         if len(var.playlist) == 2:
             # If I am the second item on the playlist. (I am the next one!)
             bot.async_download_next()
     else:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_play_playlist(bot, user, text, command, parameter):
@@ -345,7 +345,7 @@ def cmd_play_playlist(bot, user, text, command, parameter):
         for music in items:
             log.info("cmd: add to playlist: " + music.format_debug_string())
     else:
-        bot.send_msg(constants.strings("playlist_fetching_failed"), text)
+        bot.send_msg(tr("playlist_fetching_failed"), text)
 
 
 def cmd_play_radio(bot, user, text, command, parameter):
@@ -353,7 +353,7 @@ def cmd_play_radio(bot, user, text, command, parameter):
 
     if not parameter:
         all_radio = var.config.items('radio')
-        msg = constants.strings('preconfigurated_radio')
+        msg = tr('preconfigurated_radio')
         for i in all_radio:
             comment = ""
             if len(i[1].split(maxsplit=1)) == 2:
@@ -370,9 +370,9 @@ def cmd_play_radio(bot, user, text, command, parameter):
 
             var.playlist.append(music_wrapper)
             log.info("cmd: add to playlist: " + music_wrapper.format_debug_string())
-            bot.send_msg(constants.strings('file_added', item=music_wrapper.format_song_string()), text)
+            bot.send_msg(tr('file_added', item=music_wrapper.format_song_string()), text)
         else:
-            bot.send_msg(constants.strings('bad_url'), text)
+            bot.send_msg(tr('bad_url'), text)
 
 
 def cmd_rb_query(bot, user, text, command, parameter):
@@ -381,13 +381,13 @@ def cmd_rb_query(bot, user, text, command, parameter):
     log.info('cmd: Querying radio stations')
     if not parameter:
         log.debug('rbquery without parameter')
-        msg = constants.strings('rb_query_empty')
+        msg = tr('rb_query_empty')
         bot.send_msg(msg, text)
     else:
         log.debug('cmd: Found query parameter: ' + parameter)
         rb = RadioBrowser()
         rb_stations = rb.search(name=parameter, name_exact=False)
-        msg = constants.strings('rb_query_result')
+        msg = tr('rb_query_result')
         msg += '\n<table><tr><th>!rbplay ID</th><th>Station Name</th><th>Genre</th><th>Codec/Bitrate</th><th>Country</th></tr>'
         if not rb_stations:
             log.debug(f"cmd: No matches found for rbquery {parameter}")
@@ -408,7 +408,7 @@ def cmd_rb_query(bot, user, text, command, parameter):
             # Shorten message if message too long (stage I)
             else:
                 log.debug('Result too long stage I')
-                msg = constants.strings('rb_query_result') + ' (shortened L1)'
+                msg = tr('rb_query_result') + ' (shortened L1)'
                 msg += '\n<table><tr><th>!rbplay ID</th><th>Station Name</th></tr>'
                 for s in rb_stations:
                     station_id = s['stationuuid']
@@ -420,7 +420,7 @@ def cmd_rb_query(bot, user, text, command, parameter):
                 # Shorten message if message too long (stage II)
                 else:
                     log.debug('Result too long stage II')
-                    msg = constants.strings('rb_query_result') + ' (shortened L2)'
+                    msg = tr('rb_query_result') + ' (shortened L2)'
                     msg += '!rbplay ID - Station Name'
                     for s in rb_stations:
                         station_id = s['stationuuid']
@@ -439,7 +439,7 @@ def cmd_rb_play(bot, user, text, command, parameter):
     log.debug('cmd: Play a station by ID')
     if not parameter:
         log.debug('rbplay without parameter')
-        msg = constants.strings('rb_play_empty')
+        msg = tr('rb_play_empty')
         bot.send_msg(msg, text)
     else:
         log.debug('cmd: Retreiving url for station ID ' + parameter)
@@ -488,9 +488,9 @@ def cmd_yt_search(bot, user, text, command, parameter):
                                    'title': result[1]
                                    } for result in yt_last_result[yt_last_page * item_per_page: item_per_page]]
                 msg = _yt_format_result(yt_last_result, yt_last_page * item_per_page, item_per_page)
-                bot.send_msg(constants.strings('yt_result', result_table=msg), text)
+                bot.send_msg(tr('yt_result', result_table=msg), text)
             else:
-                bot.send_msg(constants.strings('yt_no_more'), text)
+                bot.send_msg(tr('yt_no_more'), text)
 
         # if query
         else:
@@ -501,11 +501,11 @@ def cmd_yt_search(bot, user, text, command, parameter):
                 song_shortlist = [{'type': 'url', 'url': "https://www.youtube.com/watch?v=" + result[0]}
                                   for result in results[0: item_per_page]]
                 msg = _yt_format_result(results, 0, item_per_page)
-                bot.send_msg(constants.strings('yt_result', result_table=msg), text)
+                bot.send_msg(tr('yt_result', result_table=msg), text)
             else:
-                bot.send_msg(constants.strings('yt_query_error'), text)
+                bot.send_msg(tr('yt_query_error'), text)
     else:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def _yt_format_result(results, start, count):
@@ -529,16 +529,16 @@ def cmd_yt_play(bot, user, text, command, parameter):
             url = "https://www.youtube.com/watch?v=" + yt_last_result[0][0]
             cmd_play_url(bot, user, text, command, url)
         else:
-            bot.send_msg(constants.strings('yt_query_error'), text)
+            bot.send_msg(tr('yt_query_error'), text)
     else:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_help(bot, user, text, command, parameter):
     global log
-    bot.send_msg(constants.strings('help'), text)
+    bot.send_msg(tr('help'), text)
     if bot.is_admin(user):
-        bot.send_msg(constants.strings('admin_help'), text)
+        bot.send_msg(tr('admin_help'), text)
 
 
 def cmd_stop(bot, user, text, command, parameter):
@@ -549,14 +549,14 @@ def cmd_stop(bot, user, text, command, parameter):
         cmd_clear(bot, user, text, command, parameter)
     else:
         bot.stop()
-    bot.send_msg(constants.strings('stopped'), text)
+    bot.send_msg(tr('stopped'), text)
 
 
 def cmd_clear(bot, user, text, command, parameter):
     global log
 
     bot.clear()
-    bot.send_msg(constants.strings('cleared'), text)
+    bot.send_msg(tr('cleared'), text)
 
 
 def cmd_kill(bot, user, text, command, parameter):
@@ -571,12 +571,12 @@ def cmd_update(bot, user, text, command, parameter):
 
     if bot.is_admin(user):
         bot.mumble.users[text.actor].send_text_message(
-            constants.strings('start_updating'))
+            tr('start_updating'))
         msg = util.update(bot.version)
         bot.mumble.users[text.actor].send_text_message(msg)
     else:
         bot.mumble.users[text.actor].send_text_message(
-            constants.strings('not_admin'))
+            tr('not_admin'))
 
 
 def cmd_stop_and_getout(bot, user, text, command, parameter):
@@ -595,11 +595,11 @@ def cmd_volume(bot, user, text, command, parameter):
     # The volume is a percentage
     if parameter and parameter.isdigit() and 0 <= int(parameter) <= 100:
         bot.volume_helper.set_volume(float(parameter) / 100.0)
-        bot.send_msg(constants.strings('change_volume', volume=parameter, user=bot.mumble.users[text.actor]['name']), text)
+        bot.send_msg(tr('change_volume', volume=parameter, user=bot.mumble.users[text.actor]['name']), text)
         var.db.set('bot', 'volume', str(float(parameter) / 100.0))
         log.info(f'cmd: volume set to {float(parameter) / 100.0}')
     else:
-        bot.send_msg(constants.strings('current_volume', volume=int(bot.volume_helper.plain_volume_set * 100)), text)
+        bot.send_msg(tr('current_volume', volume=int(bot.volume_helper.plain_volume_set * 100)), text)
 
 
 def cmd_ducking(bot, user, text, command, parameter):
@@ -608,7 +608,7 @@ def cmd_ducking(bot, user, text, command, parameter):
     if parameter == "" or parameter == "on":
         bot.is_ducking = True
         var.db.set('bot', 'ducking', True)
-        bot.mumble.callbacks.set_callback(pymumble.constants.PYMUMBLE_CLBK_SOUNDRECEIVED, bot.ducking_sound_received)
+        bot.mumble.callbacks.set_callback(pymumble.c.PYMUMBLE_CLBK_SOUNDRECEIVED, bot.ducking_sound_received)
         bot.mumble.set_receive_sound(True)
         log.info('cmd: ducking is on')
         msg = "Ducking on."
@@ -641,11 +641,11 @@ def cmd_ducking_volume(bot, user, text, command, parameter):
     # The volume is a percentage
     if parameter and parameter.isdigit() and 0 <= int(parameter) <= 100:
         bot.volume_helper.set_ducking_volume(float(parameter) / 100.0)
-        bot.send_msg(constants.strings('change_ducking_volume', volume=parameter, user=bot.mumble.users[text.actor]['name']), text)
+        bot.send_msg(tr('change_ducking_volume', volume=parameter, user=bot.mumble.users[text.actor]['name']), text)
         var.db.set('bot', 'ducking_volume', float(parameter) / 100.0)
         log.info(f'cmd: volume on ducking set to {parameter}')
     else:
-        bot.send_msg(constants.strings('current_ducking_volume', volume=int(bot.volume_helper.plain_ducking_volume_set * 100)), text)
+        bot.send_msg(tr('current_ducking_volume', volume=int(bot.volume_helper.plain_ducking_volume_set * 100)), text)
 
 
 def cmd_current_music(bot, user, text, command, parameter):
@@ -654,7 +654,7 @@ def cmd_current_music(bot, user, text, command, parameter):
     if len(var.playlist) > 0:
         bot.send_msg(var.playlist.current_item().format_current_playing(), text)
     else:
-        bot.send_msg(constants.strings('not_playing'), text)
+        bot.send_msg(tr('not_playing'), text)
 
 
 def cmd_skip(bot, user, text, command, parameter):
@@ -667,7 +667,7 @@ def cmd_skip(bot, user, text, command, parameter):
         bot.wait_for_ready = True
 
     if len(var.playlist) == 0:
-        bot.send_msg(constants.strings('queue_empty'), text)
+        bot.send_msg(tr('queue_empty'), text)
 
 
 def cmd_last(bot, user, text, command, parameter):
@@ -677,7 +677,7 @@ def cmd_last(bot, user, text, command, parameter):
         bot.interrupt()
         var.playlist.point_to(len(var.playlist) - 1 - 1)
     else:
-        bot.send_msg(constants.strings('queue_empty'), text)
+        bot.send_msg(tr('queue_empty'), text)
 
 
 def cmd_remove(bot, user, text, command, parameter):
@@ -690,8 +690,8 @@ def cmd_remove(bot, user, text, command, parameter):
 
         if index == var.playlist.current_index:
             removed = var.playlist[index]
-            bot.send_msg(constants.strings('removing_item',
-                                           item=removed.format_title()), text)
+            bot.send_msg(tr('removing_item',
+                                      item=removed.format_title()), text)
             log.info("cmd: delete from playlist: " + removed.format_debug_string())
 
             var.playlist.remove(index)
@@ -710,7 +710,7 @@ def cmd_remove(bot, user, text, command, parameter):
             var.playlist.remove(index)
 
     else:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_list_file(bot, user, text, command, parameter):
@@ -722,7 +722,7 @@ def cmd_list_file(bot, user, text, command, parameter):
 
     song_shortlist = files
 
-    msgs = [constants.strings("multiple_file_found") + "<ul>"]
+    msgs = [tr("multiple_file_found") + "<ul>"]
     try:
         count = 0
         for index, file in enumerate(files):
@@ -739,14 +739,14 @@ def cmd_list_file(bot, user, text, command, parameter):
         if count != 0:
             msgs.append("</ul>")
             if count > ITEMS_PER_PAGE:
-                msgs.append(constants.strings("records_omitted"))
-            msgs.append(constants.strings("shortlist_instruction"))
+                msgs.append(tr("records_omitted"))
+            msgs.append(tr("shortlist_instruction"))
             send_multi_lines(bot, msgs, text, "")
         else:
-            bot.send_msg(constants.strings("no_file"), text)
+            bot.send_msg(tr("no_file"), text)
 
     except re.error as e:
-        msg = constants.strings('wrong_pattern', error=str(e))
+        msg = tr('wrong_pattern', error=str(e))
         bot.send_msg(msg, text)
 
 
@@ -754,10 +754,10 @@ def cmd_queue(bot, user, text, command, parameter):
     global log
 
     if len(var.playlist) == 0:
-        msg = constants.strings('queue_empty')
+        msg = tr('queue_empty')
         bot.send_msg(msg, text)
     else:
-        msgs = [constants.strings('queue_contents')]
+        msgs = [tr('queue_contents')]
         for i, music in enumerate(var.playlist):
             tags = ''
             if len(music.item().tags) > 0:
@@ -797,25 +797,25 @@ def cmd_repeat(bot, user, text, command, parameter):
             )
             log.info("bot: add to playlist: " + music.format_debug_string())
 
-        bot.send_channel_msg(constants.strings("repeat", song=music.format_song_string(), n=str(repeat)))
+        bot.send_channel_msg(tr("repeat", song=music.format_song_string(), n=str(repeat)))
     else:
-        bot.send_msg(constants.strings("queue_empty"), text)
+        bot.send_msg(tr("queue_empty"), text)
 
 
 def cmd_mode(bot, user, text, command, parameter):
     global log
 
     if not parameter:
-        bot.send_msg(constants.strings("current_mode", mode=var.playlist.mode), text)
+        bot.send_msg(tr("current_mode", mode=var.playlist.mode), text)
         return
     if parameter not in ["one-shot", "repeat", "random", "autoplay"]:
-        bot.send_msg(constants.strings('unknown_mode', mode=parameter), text)
+        bot.send_msg(tr('unknown_mode', mode=parameter), text)
     else:
         var.db.set('playlist', 'playback_mode', parameter)
         var.playlist = media.playlist.get_playlist(parameter, var.playlist)
         log.info(f"command: playback mode changed to {parameter}.")
-        bot.send_msg(constants.strings("change_mode", mode=var.playlist.mode,
-                                       user=bot.mumble.users[text.actor]['name']), text)
+        bot.send_msg(tr("change_mode", mode=var.playlist.mode,
+                                  user=bot.mumble.users[text.actor]['name']), text)
         if parameter == "random":
             bot.interrupt()
             bot.launch_music()
@@ -823,10 +823,10 @@ def cmd_mode(bot, user, text, command, parameter):
 
 def cmd_play_tags(bot, user, text, command, parameter):
     if not parameter:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
-    msgs = [constants.strings('multiple_file_added') + "<ul>"]
+    msgs = [tr('multiple_file_added') + "<ul>"]
     count = 0
 
     tags = parameter.split(",")
@@ -842,7 +842,7 @@ def cmd_play_tags(bot, user, text, command, parameter):
         var.playlist.extend(music_wrappers)
         send_multi_lines_in_channel(bot, msgs, "")
     else:
-        bot.send_msg(constants.strings("no_file"), text)
+        bot.send_msg(tr("no_file"), text)
 
 
 def cmd_add_tag(bot, user, text, command, parameter):
@@ -866,19 +866,19 @@ def cmd_add_tag(bot, user, text, command, parameter):
         if index.isdigit() and 1 <= int(index) <= len(var.playlist):
             var.playlist[int(index) - 1].add_tags(tags)
             log.info(f"cmd: add tags {', '.join(tags)} to song {var.playlist[int(index) - 1].format_debug_string()}")
-            bot.send_msg(constants.strings("added_tags",
-                                           tags=", ".join(tags),
-                                           song=var.playlist[int(index) - 1].format_title()), text)
+            bot.send_msg(tr("added_tags",
+                                      tags=", ".join(tags),
+                                      song=var.playlist[int(index) - 1].format_title()), text)
             return
 
         elif index == "*":
             for item in var.playlist:
                 item.add_tags(tags)
                 log.info(f"cmd: add tags {', '.join(tags)} to song {item.format_debug_string()}")
-            bot.send_msg(constants.strings("added_tags_to_all", tags=", ".join(tags)), text)
+            bot.send_msg(tr("added_tags_to_all", tags=", ".join(tags)), text)
             return
 
-    bot.send_msg(constants.strings('bad_parameter', command=command), text)
+    bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_remove_tag(bot, user, text, command, parameter):
@@ -903,15 +903,15 @@ def cmd_remove_tag(bot, user, text, command, parameter):
             if tags[0] != "*":
                 var.playlist[int(index) - 1].remove_tags(tags)
                 log.info(f"cmd: remove tags {', '.join(tags)} from song {var.playlist[int(index) - 1].format_debug_string()}")
-                bot.send_msg(constants.strings("removed_tags",
-                                               tags=", ".join(tags),
-                                               song=var.playlist[int(index) - 1].format_title()), text)
+                bot.send_msg(tr("removed_tags",
+                                          tags=", ".join(tags),
+                                          song=var.playlist[int(index) - 1].format_title()), text)
                 return
             else:
                 var.playlist[int(index) - 1].clear_tags()
                 log.info(f"cmd: clear tags from song {var.playlist[int(index) - 1].format_debug_string()}")
-                bot.send_msg(constants.strings("cleared_tags",
-                                               song=var.playlist[int(index) - 1].format_title()), text)
+                bot.send_msg(tr("cleared_tags",
+                                          song=var.playlist[int(index) - 1].format_title()), text)
                 return
 
         elif index == "*":
@@ -919,26 +919,26 @@ def cmd_remove_tag(bot, user, text, command, parameter):
                 for item in var.playlist:
                     item.remove_tags(tags)
                     log.info(f"cmd: remove tags {', '.join(tags)} from song {item.format_debug_string()}")
-                bot.send_msg(constants.strings("removed_tags_from_all", tags=", ".join(tags)), text)
+                bot.send_msg(tr("removed_tags_from_all", tags=", ".join(tags)), text)
                 return
             else:
                 for item in var.playlist:
                     item.clear_tags()
                     log.info(f"cmd: clear tags from song {item.format_debug_string()}")
-                bot.send_msg(constants.strings("cleared_tags_from_all"), text)
+                bot.send_msg(tr("cleared_tags_from_all"), text)
                 return
 
-    bot.send_msg(constants.strings('bad_parameter', command=command), text)
+    bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_find_tagged(bot, user, text, command, parameter):
     global song_shortlist
 
     if not parameter:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
-    msgs = [constants.strings('multiple_file_found') + "<ul>"]
+    msgs = [tr('multiple_file_found') + "<ul>"]
     count = 0
 
     tags = parameter.split(",")
@@ -957,20 +957,20 @@ def cmd_find_tagged(bot, user, text, command, parameter):
     if count != 0:
         msgs.append("</ul>")
         if count > ITEMS_PER_PAGE:
-            msgs.append(constants.strings("records_omitted"))
-        msgs.append(constants.strings("shortlist_instruction"))
+            msgs.append(tr("records_omitted"))
+        msgs.append(tr("shortlist_instruction"))
         send_multi_lines(bot, msgs, text, "")
     else:
-        bot.send_msg(constants.strings("no_file"), text)
+        bot.send_msg(tr("no_file"), text)
 
 
 def cmd_search_library(bot, user, text, command, parameter):
     global song_shortlist
     if not parameter:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
-    msgs = [constants.strings('multiple_file_found') + "<ul>"]
+    msgs = [tr('multiple_file_found') + "<ul>"]
     count = 0
 
     _keywords = parameter.split(" ")
@@ -988,7 +988,7 @@ def cmd_search_library(bot, user, text, command, parameter):
             music_wrapper = get_cached_wrapper(items[0], user)
             var.playlist.append(music_wrapper)
             log.info("cmd: add to playlist: " + music_wrapper.format_debug_string())
-            bot.send_channel_msg(constants.strings('file_added', item=music_wrapper.format_song_string()))
+            bot.send_channel_msg(tr('file_added', item=music_wrapper.format_song_string()))
         else:
             for item in items:
                 count += 1
@@ -1002,19 +1002,19 @@ def cmd_search_library(bot, user, text, command, parameter):
             if count != 0:
                 msgs.append("</ul>")
                 if count > ITEMS_PER_PAGE:
-                    msgs.append(constants.strings("records_omitted"))
-                msgs.append(constants.strings("shortlist_instruction"))
+                    msgs.append(tr("records_omitted"))
+                msgs.append(tr("shortlist_instruction"))
                 send_multi_lines(bot, msgs, text, "")
             else:
-                bot.send_msg(constants.strings("no_file"), text)
+                bot.send_msg(tr("no_file"), text)
     else:
-        bot.send_msg(constants.strings("no_file"), text)
+        bot.send_msg(tr("no_file"), text)
 
 
 def cmd_shortlist(bot, user, text, command, parameter):
     global song_shortlist, log
     if parameter.strip() == "*":
-        msgs = [constants.strings('multiple_file_added') + "<ul>"]
+        msgs = [tr('multiple_file_added') + "<ul>"]
         music_wrappers = []
         for kwargs in song_shortlist:
             kwargs['user'] = user
@@ -1032,11 +1032,11 @@ def cmd_shortlist(bot, user, text, command, parameter):
     try:
         indexes = [int(i) for i in parameter.split(" ")]
     except ValueError:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
     if len(indexes) > 1:
-        msgs = [constants.strings('multiple_file_added') + "<ul>"]
+        msgs = [tr('multiple_file_added') + "<ul>"]
         music_wrappers = []
         for index in indexes:
             if 1 <= index <= len(song_shortlist):
@@ -1048,7 +1048,7 @@ def cmd_shortlist(bot, user, text, command, parameter):
                 msgs.append("<li>[{}] <b>{}</b></li>".format(music_wrapper.item().type, music_wrapper.item().title))
             else:
                 var.playlist.extend(music_wrappers)
-                bot.send_msg(constants.strings('bad_parameter', command=command), text)
+                bot.send_msg(tr('bad_parameter', command=command), text)
                 return
 
         var.playlist.extend(music_wrappers)
@@ -1064,10 +1064,10 @@ def cmd_shortlist(bot, user, text, command, parameter):
             music_wrapper = get_cached_wrapper_from_scrap(**kwargs)
             var.playlist.append(music_wrapper)
             log.info("cmd: add to playlist: " + music_wrapper.format_debug_string())
-            bot.send_channel_msg(constants.strings('file_added', item=music_wrapper.format_song_string()))
+            bot.send_channel_msg(tr('file_added', item=music_wrapper.format_song_string()))
             return
 
-    bot.send_msg(constants.strings('bad_parameter', command=command), text)
+    bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_delete_from_library(bot, user, text, command, parameter):
@@ -1075,11 +1075,11 @@ def cmd_delete_from_library(bot, user, text, command, parameter):
     try:
         indexes = [int(i) for i in parameter.split(" ")]
     except ValueError:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
     if len(indexes) > 1:
-        msgs = [constants.strings('multiple_file_added') + "<ul>"]
+        msgs = [tr('multiple_file_added') + "<ul>"]
         count = 0
         for index in indexes:
             if 1 <= index <= len(song_shortlist):
@@ -1092,11 +1092,11 @@ def cmd_delete_from_library(bot, user, text, command, parameter):
                     var.cache.free_and_delete(music_dict['id'])
                     count += 1
             else:
-                bot.send_msg(constants.strings('bad_parameter', command=command), text)
+                bot.send_msg(tr('bad_parameter', command=command), text)
                 return
 
         if count == 0:
-            bot.send_msg(constants.strings('bad_parameter', command=command), text)
+            bot.send_msg(tr('bad_parameter', command=command), text)
             return
 
         msgs.append("</ul>")
@@ -1108,13 +1108,13 @@ def cmd_delete_from_library(bot, user, text, command, parameter):
             music_dict = song_shortlist[index - 1]
             if 'id' in music_dict:
                 music_wrapper = get_cached_wrapper_by_id(music_dict['id'], user)
-                bot.send_msg(constants.strings('file_deleted', item=music_wrapper.format_song_string()), text)
+                bot.send_msg(tr('file_deleted', item=music_wrapper.format_song_string()), text)
                 log.info("cmd: remove from library: " + music_wrapper.format_debug_string())
                 var.playlist.remove_by_id(music_dict['id'])
                 var.cache.free_and_delete(music_dict['id'])
                 return
 
-    bot.send_msg(constants.strings('bad_parameter', command=command), text)
+    bot.send_msg(tr('bad_parameter', command=command), text)
 
 
 def cmd_drop_database(bot, user, text, command, parameter):
@@ -1126,9 +1126,9 @@ def cmd_drop_database(bot, user, text, command, parameter):
         var.music_db.drop_table()
         var.music_db = MusicDatabase(var.settings_db_path)
         log.info("command: database dropped.")
-        bot.send_msg(constants.strings('database_dropped'), text)
+        bot.send_msg(tr('database_dropped'), text)
     else:
-        bot.mumble.users[text.actor].send_text_message(constants.strings('not_admin'))
+        bot.mumble.users[text.actor].send_text_message(tr('not_admin'))
 
 
 def cmd_refresh_cache(bot, user, text, command, parameter):
@@ -1136,9 +1136,9 @@ def cmd_refresh_cache(bot, user, text, command, parameter):
     if bot.is_admin(user):
         var.cache.build_dir_cache()
         log.info("command: Local file cache refreshed.")
-        bot.send_msg(constants.strings('cache_refreshed'), text)
+        bot.send_msg(tr('cache_refreshed'), text)
     else:
-        bot.mumble.users[text.actor].send_text_message(constants.strings('not_admin'))
+        bot.mumble.users[text.actor].send_text_message(tr('not_admin'))
 
 
 def cmd_web_access(bot, user, text, command, parameter):
@@ -1164,12 +1164,12 @@ def cmd_web_access(bot, user, text, command, parameter):
     else:
         access_address = var.config.get("webinterface", "access_address")
 
-    bot.send_msg(constants.strings('webpage_address', address=access_address), text)
+    bot.send_msg(tr('webpage_address', address=access_address), text)
 
 
 def cmd_user_password(bot, user, text, command, parameter):
     if not parameter:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
     user_info = var.db.get("user", user, fallback='{}')
@@ -1178,12 +1178,12 @@ def cmd_user_password(bot, user, text, command, parameter):
 
     var.db.set("user", user, json.dumps(user_dict))
 
-    bot.send_msg(constants.strings('user_password_set'), text)
+    bot.send_msg(tr('user_password_set'), text)
 
 
 def cmd_web_user_add(bot, user, text, command, parameter):
     if not parameter:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
     auth_method = var.config.get("webinterface", "auth_method")
@@ -1193,14 +1193,14 @@ def cmd_web_user_add(bot, user, text, command, parameter):
         if parameter not in web_users:
             web_users.append(parameter)
         var.db.set("privilege", "web_access", json.dumps(web_users))
-        bot.send_msg(constants.strings('web_user_list', users=", ".join(web_users)), text)
+        bot.send_msg(tr('web_user_list', users=", ".join(web_users)), text)
     else:
-        bot.send_msg(constants.strings('command_disabled', command=command), text)
+        bot.send_msg(tr('command_disabled', command=command), text)
 
 
 def cmd_web_user_remove(bot, user, text, command, parameter):
     if not parameter:
-        bot.send_msg(constants.strings('bad_parameter', command=command), text)
+        bot.send_msg(tr('bad_parameter', command=command), text)
         return
 
     auth_method = var.config.get("webinterface", "auth_method")
@@ -1210,9 +1210,9 @@ def cmd_web_user_remove(bot, user, text, command, parameter):
         if parameter in web_users:
             web_users.remove(parameter)
         var.db.set("privilege", "web_access", json.dumps(web_users))
-        bot.send_msg(constants.strings('web_user_list', users=", ".join(web_users)), text)
+        bot.send_msg(tr('web_user_list', users=", ".join(web_users)), text)
     else:
-        bot.send_msg(constants.strings('command_disabled', command=command), text)
+        bot.send_msg(tr('command_disabled', command=command), text)
 
 
 def cmd_web_user_list(bot, user, text, command, parameter):
@@ -1220,9 +1220,9 @@ def cmd_web_user_list(bot, user, text, command, parameter):
 
     if auth_method == 'password':
         web_users = json.loads(var.db.get("privilege", "web_access", fallback='[]'))
-        bot.send_msg(constants.strings('web_user_list', users=", ".join(web_users)), text)
+        bot.send_msg(tr('web_user_list', users=", ".join(web_users)), text)
     else:
-        bot.send_msg(constants.strings('command_disabled', command=command), text)
+        bot.send_msg(tr('command_disabled', command=command), text)
 
 
 # Just for debug use
diff --git a/constants.py b/constants.py
index 355112d..72cfec0 100644
--- a/constants.py
+++ b/constants.py
@@ -1,7 +1,7 @@
 import variables as var
 
 
-def strings(option, *argv, **kwargs):
+def tr(option, *argv, **kwargs):
     try:
         string = var.config.get("strings", option)
     except KeyError:
diff --git a/media/file.py b/media/file.py
index bbf8503..2686bfd 100644
--- a/media/file.py
+++ b/media/file.py
@@ -75,7 +75,7 @@ class FileItem(BaseItem):
         if not os.path.exists(self.uri()):
             self.log.info(
                 "file: music file missed for %s" % self.format_debug_string())
-            raise ValidationFailedError(constants.strings('file_missed', file=self.path))
+            raise ValidationFailedError(constants.tr('file_missed', file=self.path))
 
         if self.duration == 0:
             self.duration = util.get_media_duration(self.uri())
@@ -185,14 +185,14 @@ class FileItem(BaseItem):
         )
 
     def format_song_string(self, user):
-        return constants.strings("file_item",
-                                 title=self.title,
-                                 artist=self.artist if self.artist else '??',
-                                 user=user
-                                 )
+        return constants.tr("file_item",
+                            title=self.title,
+                            artist=self.artist if self.artist else '??',
+                            user=user
+                            )
 
     def format_current_playing(self, user):
-        display = constants.strings("now_playing", item=self.format_song_string(user))
+        display = constants.tr("now_playing", item=self.format_song_string(user))
         if self.thumbnail:
             thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
                              self.thumbnail + '"/>'
@@ -208,4 +208,4 @@ class FileItem(BaseItem):
             return title
 
     def display_type(self):
-        return constants.strings("file")
+        return constants.tr("file")
diff --git a/media/radio.py b/media/radio.py
index d56bdb9..1accd31 100644
--- a/media/radio.py
+++ b/media/radio.py
@@ -147,18 +147,18 @@ class RadioItem(BaseItem):
         )
 
     def format_song_string(self, user):
-        return constants.strings("radio_item",
-                                 url=self.url,
-                                 title=get_radio_title(self.url),  # the title of current song
-                                 name=self.title,  # the title of radio station
-                                 user=user
-                                 )
+        return constants.tr("radio_item",
+                            url=self.url,
+                            title=get_radio_title(self.url),  # the title of current song
+                            name=self.title,  # the title of radio station
+                            user=user
+                            )
 
     def format_current_playing(self, user):
-        return constants.strings("now_playing", item=self.format_song_string(user))
+        return constants.tr("now_playing", item=self.format_song_string(user))
 
     def format_title(self):
         return self.title if self.title else self.url
 
     def display_type(self):
-        return constants.strings("radio")
+        return constants.tr("radio")
diff --git a/media/url.py b/media/url.py
index 67d163a..529d35d 100644
--- a/media/url.py
+++ b/media/url.py
@@ -99,7 +99,7 @@ class URLItem(BaseItem):
             # Check the length, useful in case of playlist, it wasn't checked before)
             log.info(
                 "url: " + self.url + " has a duration of " + str(self.duration / 60) + " min -- too long")
-            raise ValidationFailedError(constants.strings('too_long', song=self.title))
+            raise ValidationFailedError(constants.tr('too_long', song=self.title))
         else:
             self.ready = "validated"
             self.version += 1  # notify wrapper to save me
@@ -138,7 +138,7 @@ class URLItem(BaseItem):
         if not succeed:
             self.ready = 'failed'
             self.log.error("url: error while fetching info from the URL")
-            raise ValidationFailedError(constants.strings('unable_download', item=self.format_title()))
+            raise ValidationFailedError(constants.tr('unable_download', item=self.format_title()))
 
     def _download(self):
         media.system.clear_tmp_folder(var.tmp_folder, var.config.getint('bot', 'tmp_folder_max_size'))
@@ -193,7 +193,7 @@ class URLItem(BaseItem):
                     os.remove(f)
                 self.ready = "failed"
                 self.downloading = False
-                raise PreparationFailedError(constants.strings('unable_download', item=self.format_title()))
+                raise PreparationFailedError(constants.tr('unable_download', item=self.format_title()))
 
     def _read_thumbnail_from_file(self, path_thumbnail):
         if os.path.isfile(path_thumbnail):
@@ -226,14 +226,14 @@ class URLItem(BaseItem):
 
     def format_song_string(self, user):
         if self.ready in ['validated', 'yes']:
-            return constants.strings("url_item",
-                                     title=self.title if self.title else "??",
-                                     url=self.url,
-                                     user=user)
+            return constants.tr("url_item",
+                                title=self.title if self.title else "??",
+                                url=self.url,
+                                user=user)
         return self.url
 
     def format_current_playing(self, user):
-        display = constants.strings("now_playing", item=self.format_song_string(user))
+        display = constants.tr("now_playing", item=self.format_song_string(user))
 
         if self.thumbnail:
             thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
@@ -246,4 +246,4 @@ class URLItem(BaseItem):
         return self.title if self.title.strip() else self.url
 
     def display_type(self):
-        return constants.strings("url")
+        return constants.tr("url")
diff --git a/media/url_from_playlist.py b/media/url_from_playlist.py
index 96af820..6c6c8d1 100644
--- a/media/url_from_playlist.py
+++ b/media/url_from_playlist.py
@@ -96,15 +96,15 @@ class PlaylistURLItem(URLItem):
         )
 
     def format_song_string(self, user):
-        return constants.strings("url_from_playlist_item",
-                                 title=self.title,
-                                 url=self.url,
-                                 playlist_url=self.playlist_url,
-                                 playlist=self.playlist_title,
-                                 user=user)
+        return constants.tr("url_from_playlist_item",
+                            title=self.title,
+                            url=self.url,
+                            playlist_url=self.playlist_url,
+                            playlist=self.playlist_title,
+                            user=user)
 
     def format_current_playing(self, user):
-        display = constants.strings("now_playing", item=self.format_song_string(user))
+        display = constants.tr("now_playing", item=self.format_song_string(user))
 
         if self.thumbnail:
             thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
@@ -114,4 +114,4 @@ class PlaylistURLItem(URLItem):
         return display
 
     def display_type(self):
-        return constants.strings("url_from_playlist")
+        return constants.tr("url_from_playlist")
diff --git a/mumbleBot.py b/mumbleBot.py
index 8908741..25424de 100644
--- a/mumbleBot.py
+++ b/mumbleBot.py
@@ -23,7 +23,7 @@ from packaging import version
 
 import util
 import command
-import constants
+from constants import tr, commands
 from database import SettingsDatabase, MusicDatabase, DatabaseMigration
 import media.system
 from media.item import ValidationFailedError, PreparationFailedError
@@ -118,7 +118,7 @@ class MumbleBot:
         self.mumble.start()  # start the mumble thread
         self.mumble.is_ready()  # wait for the connection
 
-        if self.mumble.connected >= pymumble_py3.constants.PYMUMBLE_CONN_STATE_FAILED:
+        if self.mumble.connected >= pymumble.constants.PYMUMBLE_CONN_STATE_FAILED:
             exit()
 
         self.set_comment()
@@ -179,7 +179,7 @@ class MumbleBot:
         if not last_startup_version or version.parse(last_startup_version) < version.parse(self.version):
             var.db.set("bot", "version", self.version)
             changelog = util.fetch_changelog()
-            self.send_channel_msg(constants.strings("update_successful", version=self.version, changelog=changelog))
+            self.send_channel_msg(tr("update_successful", version=self.version, changelog=changelog))
 
     # Set the CTRL+C shortcut
     def ctrl_caught(self, signal, frame):
@@ -206,7 +206,7 @@ class MumbleBot:
             self.log.info(f"update: new version {new_version} found, current installed version {self.version}.")
             self.log.info(f"update: changelog: {changelog}")
             changelog = changelog.replace("\n", "<br>")
-            self.send_channel_msg(constants.strings('new_version_found', new_version=new_version, changelog=changelog))
+            self.send_channel_msg(tr('new_version_found', new_version=new_version, changelog=changelog))
         else:
             self.log.debug("update: no new version found.")
 
@@ -263,13 +263,13 @@ class MumbleBot:
             # Anti stupid guy function
             if not self.is_admin(user) and not var.config.getboolean('bot', 'allow_private_message') and text.session:
                 self.mumble.users[text.actor].send_text_message(
-                    constants.strings('pm_not_allowed'))
+                    tr('pm_not_allowed'))
                 return
 
             for i in var.db.items("user_ban"):
                 if user.lower() == i[0]:
                     self.mumble.users[text.actor].send_text_message(
-                        constants.strings('user_ban'))
+                        tr('user_ban'))
                     return
 
             if not self.is_admin(user) and parameter:
@@ -278,7 +278,7 @@ class MumbleBot:
                     for i in var.db.items("url_ban"):
                         if input_url == i[0]:
                             self.mumble.users[text.actor].send_text_message(
-                                constants.strings('url_ban'))
+                                tr('url_ban'))
                             return
 
             command_exc = ""
@@ -299,15 +299,15 @@ class MumbleBot:
 
                     elif len(matches) > 1:
                         self.mumble.users[text.actor].send_text_message(
-                            constants.strings('which_command', commands="<br>".join(matches)))
+                            tr('which_command', commands="<br>".join(matches)))
                         return
                     else:
                         self.mumble.users[text.actor].send_text_message(
-                            constants.strings('bad_command', command=command))
+                            tr('bad_command', command=command))
                         return
 
                 if self.cmd_handle[command_exc]['admin'] and not self.is_admin(user):
-                    self.mumble.users[text.actor].send_text_message(constants.strings('not_admin'))
+                    self.mumble.users[text.actor].send_text_message(tr('not_admin'))
                     return
 
                 if not self.cmd_handle[command_exc]['access_outside_channel'] \
@@ -315,7 +315,7 @@ class MumbleBot:
                         and not var.config.getboolean('bot', 'allow_other_channel_message') \
                         and self.mumble.users[text.actor]['channel_id'] != self.mumble.users.myself['channel_id']:
                     self.mumble.users[text.actor].send_text_message(
-                        constants.strings('not_in_my_channel'))
+                        tr('not_in_my_channel'))
                     return
 
                 self.cmd_handle[command_exc]['handle'](self, user, text, command_exc, parameter)
@@ -323,7 +323,7 @@ class MumbleBot:
                 error_traceback = traceback.format_exc()
                 error = error_traceback.rstrip().split("\n")[-1]
                 self.log.error(f"bot: command {command_exc} failed with error: {error_traceback}\n")
-                self.send_msg(constants.strings('error_executing_command', command=command_exc, error=error), text)
+                self.send_msg(tr('error_executing_command', command=command_exc, error=error), text)
 
     def send_msg(self, msg, text):
         msg = msg.encode('utf-8', 'ignore').decode('utf-8')
@@ -355,7 +355,7 @@ class MumbleBot:
             if var.config.get("bot", "when_nobody_in_channel") == "pause_resume":
                 self.resume()
             elif var.config.get("bot", "when_nobody_in_channel") == "pause":
-                self.send_channel_msg(constants.strings("auto_paused"))
+                self.send_channel_msg(tr("auto_paused"))
 
         elif len(own_channel.get_users()) == 1:
             # if the bot is the only user left in the channel
@@ -436,7 +436,7 @@ class MumbleBot:
             self.log.info("bot: current music isn't ready, start downloading.")
             self.async_download(item)
             self.send_channel_msg(
-                constants.strings('download_in_progress', item=item.format_title()))
+                tr('download_in_progress', item=item.format_title()))
 
     def _download(self, item):
         ver = item.version
@@ -514,7 +514,7 @@ class MumbleBot:
                     self.log.error("bot: with ffmpeg error: %s", self.last_ffmpeg_err)
                     self.last_ffmpeg_err = ""
 
-                    self.send_channel_msg(constants.strings('unable_play', item=current.format_title()))
+                    self.send_channel_msg(tr('unable_play', item=current.format_title()))
                     var.playlist.remove_by_id(current.id)
                     var.cache.free_and_delete(current.id)
 
@@ -720,9 +720,11 @@ if __name__ == '__main__':
     parser.add_argument("--config", dest='config', type=str, default='configuration.ini',
                         help='Load configuration from this file. Default: configuration.ini')
     parser.add_argument("--db", dest='db', type=str,
-                        default=None, help='settings database file. Default: settings-{username_of_the_bot}.db')
+                        default=None, help='Settings database file. Default: settings-{username_of_the_bot}.db')
     parser.add_argument("--music-db", dest='music_db', type=str,
-                        default=None, help='music library database file. Default: music.db')
+                        default=None, help='Music library database file. Default: music.db')
+    parser.add_argument("--lang", dest='lang', type=str, default='en_US',
+                        help='Preferred language.')
 
     parser.add_argument("-q", "--quiet", dest="quiet",
                         action="store_true", help="Only Error logs")
@@ -814,6 +816,10 @@ if __name__ == '__main__':
 
     var.music_folder = util.solve_filepath(var.config.get('bot', 'music_folder'))
     var.tmp_folder = util.solve_filepath(var.config.get('bot', 'tmp_folder'))
+
+    # ======================
+    #     Prepare Cache
+    # ======================
     var.cache = MusicCache(var.music_db)
 
     if var.config.getboolean("bot", "refresh_cache_on_startup", fallback=True):

From 9e2e09e5fd9c356f3473c5a60363e552b2665ea8 Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 11 Jul 2020 11:01:33 +0800
Subject: [PATCH 02/14] feat: Load language file in lang/ instead of the ini
 file.

---
 .drone.yml                 |   1 +
 command.py                 |   3 +-
 configuration.default.ini  | 156 -------------------------------------
 configuration.example.ini  |  15 ----
 constants.py               |  40 +++++++---
 lang/translate.py          |  28 +++++++
 media/file.py              |  18 ++---
 media/radio.py             |  18 ++---
 media/url.py               |  14 ++--
 media/url_from_playlist.py |   8 +-
 mumbleBot.py               |  27 +++++--
 util.py                    |  12 ++-
 12 files changed, 123 insertions(+), 217 deletions(-)
 create mode 100644 lang/translate.py

diff --git a/.drone.yml b/.drone.yml
index da54c2b..f30258a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,6 +20,7 @@ steps:
       - echo "current git commit is $version"
       - echo $version > /mnt/botamusique/testing-version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
+      - ./lang/translate.py
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
diff --git a/command.py b/command.py
index d55146c..29d4f48 100644
--- a/command.py
+++ b/command.py
@@ -6,7 +6,8 @@ import json
 import re
 import pymumble_py3 as pymumble
 
-from constants import tr, commands
+from constants import tr_cli as tr
+from constants import commands
 import interface
 import media.system
 import util
diff --git a/configuration.default.ini b/configuration.default.ini
index 334c47f..fc5c39e 100644
--- a/configuration.default.ini
+++ b/configuration.default.ini
@@ -195,159 +195,3 @@ list_webinterface_user = webuserlist
 add_webinterface_user = webuseradd
 remove_webinterface_user = webuserdel
 change_user_password = password
-
-[strings]
-current_volume = Current volume: {volume}.
-current_ducking_volume = Volume on ducking: {volume}.
-change_volume = Volume set to {volume} by {user}.
-change_ducking_volume = Volume on ducking set to {volume} by {user}.
-bad_command = {command}: command not found.
-bad_parameter = {command}: invalid parameter.
-error_executing_command = {command}: Command failed with error: {error}.
-not_admin = You are not an admin!
-not_playing = Nothing is playing right now.
-no_file = File not found.
-wrong_pattern = Invalid regex: {error}.
-file_added  = Added {item}.
-file_deleted  = Deleted {item} from the library.
-multiple_file_added  = Multiple items added:
-multiple_file_deleted  = Multiple items deleted from the library:
-multiple_file_found  = Found:
-page_instruction = Page {current}/{total}. Use <i>!{command} {{page}}</i> to navigate.
-records_omitted = ...
-bad_url = Bad URL requested.
-preconfigurated_radio = Preconfigurated Radio available:
-unable_download = Unable to download <b>{item}</b>. Removed from the library.
-unable_play = Unable to play <b>{item}</b>. Removed from the library.
-which_command = Do you mean <br /> {commands}
-multiple_matches = File not found! Possible candidates:
-queue_contents = Items on the playlist:
-queue_empty = Playlist is empty!
-invalid_index = Invalid index <i>{index}</i>. Use '!queue' to see your playlist.
-now_playing = Playing {item}
-radio = Radio
-file = File
-url_from_playlist = URL
-url = URL
-radio_item = <a href="{url}"><b>{title}</b></a> <i>from</i> {name} <i>added by</i> {user}
-file_item = <b>{artist} - {title}</b> <i>added by</i> {user}
-url_from_playlist_item = <a href="{url}"><b>{title}</b></a> <i>from playlist</i> <a href="{playlist_url}">{playlist}</a> <i>added by</i> {user}
-url_item = <a href="{url}"><b>{title}</b></a> <i>added by</i> {user}
-not_in_my_channel = You're not in my channel, command refused!
-pm_not_allowed = Private message aren't allowed.
-too_long = <b>{song}</b> is too long, removed from playlist!
-download_in_progress = Download of <b>{item}</b> in progress...
-removing_item = Removed entry {item} from playlist.
-user_ban = You are banned, not allowed to do that!
-url_ban = This url is banned!
-rb_query_result = This is the result of your query, send !rbplay 'ID' to play a station:
-rb_play_empty = Please specify a radio station ID!
-paused = Music paused.
-stopped = Music stopped.
-cleared = Playlist emptied.
-database_dropped = Database dropped. All records have gone.
-new_version_found = <h2>Update Available!</h2> Version {new_version} of botamusique is available! <hr />
-                    <h3>Changelog</h3> {changelog} <hr /> Send <i>!update</i> to update!
-update_successful = <h2>botamusique v{version} Installed!</h2><hr />
-                    <h3>Changelog</h3> {changelog} <hr /> Visit <a href="https://github.com/azlux/botamusique">our github repo</a> for more details!
-start_updating = Start updating...
-file_missed = Music file '{file}' missed! This item has been removed from the playlist.
-unknown_mode = Unknown playback mode '{mode}'. It should be one of <i>one-shot</i>, <i>repeat</i>, <i>random</i>.
-current_mode = Current playback mode is <i>{mode}</i>.
-change_mode = Playback mode set to <i>{mode}</i> by {user}.
-repeat = Repeat {song} for {n} times.
-yt_result = Youtube query result: {result_table} Use <i>!sl {{indexes}}</i> to play the item you want. <br />
-            <i>!ytquery -n</i> for the next page.
-yt_no_more = No more results!
-yt_query_error = Unable to query youtube!
-playlist_fetching_failed = Unable to fetch the playlist!
-cache_refreshed = Cache refreshed!
-added_tags = Added tags <i>{tags}</i> to <b>{song}</b>.
-added_tags_to_all = Added tags <i>{tags}</i> to songs on the playlist.
-removed_tags = Removed tags <i>{tags}</i> from <b>{song}</b>.
-removed_tags_from_all = Removed tags <i>{tags}</i> from songs on the playlist.
-cleared_tags = Removed all tags from <b>{song}</b>.
-cleared_tags_from_all = Removed all tags from songs on the playlist.
-shortlist_instruction = Use <i>!sl {indexes}</i> to play the item you want.
-auto_paused = Use <i>!play</i> to resume music!
-webpage_address= Your own address to access the web interface is <a href="{address}">{address}</a>
-web_user_list = Following users has the privilege to access the web interface: <br /> {users}
-user_password_set = Your password has been updated.
-command_disabled = {command}: command disabled!
-
-help = <h3>Commands</h3>
-       <b>Control</b>
-       <ul>
-       <li> <b>!<u>w</u>eb</b> - get the URL of the web interface, if enabled. </li>
-       <li> <b>!play </b> (or <b>!p</b>) [{num}] [{start_from}] - resume from pausing / start to play (the num-th song is num if given) </li>
-       <li> <b>!<u>pa</u>use </b> - pause </li>
-       <li> <b>!<u>st</u>op </b> - stop playing </li>
-       <li> <b>!<u>sk</u>ip </b> - jump to the next song </li>
-       <li> <b>!<u>la</u>st </b> - jump to the last song </li>
-       <li> <b>!<u>v</u>olume </b> {volume} - get or change the volume (from 0 to 100) </li>
-       <li> <b>!<u>m</u>ode </b> [{mode}] - get or set the playback mode, {mode} should be one of <i>one-shot</i> (remove
-       item once played), <i>repeat</i> (looping through the playlist), <i>random</i> (randomize the playlist),
-       <i>autoplay</i> (randomly grab something from the music library).</li>
-       <li> <b>!duck </b> on/off - enable or disable ducking function </li>
-       <li> <b>!duckv </b> - set the volume of the bot when ducking is activated </li>
-       <li> <b>!<u>duckt</u>hres </b> - set the threshold of volume to activate ducking (3000 by default) </li>
-       <li> <b>!<u>o</u>ust </b> - stop playing and go to default channel </li>
-       </ul>
-       <b>Playlist</b>
-       <ul>
-       <li> <b>!<u>n</u>ow </b> (or <b>!np</b>) - display the current song </li>
-       <li> <b>!<u>q</u>ueue </b> - display items in the playlist </li>
-       <li> <b>!<u>t</u>ag </b> {tags} - add all items with tags {tags}, tags separated by ",". </li>
-       <li> <b>!file </b>(or <b>!f</b>) {path/folder/keyword} - add a single file to the playlist by its path or keyword in its path. </li>
-       <li> <b>!<u>filem</u>atch </b>(or <b>!fm</b>) {pattern} - add all files that match regex {pattern} </li>
-       <li> <b>!<u>ur</u>l </b> {url} - add Youtube or SoundCloud music </li>
-       <li> <b>!<u>playl</u>ist </b> {url} [{offset}] - add all items in a Youtube or SoundCloud playlist, and start with the {offset}-th item </li>
-       <li> <b>!<u>rad</u>io </b> {url} - append a radio {url} to the playlist </li>
-       <li> <b>!<u>rbq</u>uery </b> {keyword} - query http://www.radio-browser.info for a radio station </li>
-       <li> <b>!<u>rbp</u>lay </b> {id} - play a radio station with {id} (eg. !rbplay 96746) </li>
-       <li> <b>!<u>ys</u>earch </b> {keywords} - query youtube. Use <i>!ysearch -n</i> to turn the page. </li>
-       <li> <b>!<u>yp</u>lay </b> {keywords} - add the first search result of {keywords} into the playlist.</li>
-       <li> <b>!<u>sh</u>ortlist </b> (or <b>!sl</b>) {indexes/*} - add {indexes}-th item (or all items if * is given) on the shortlist. </li>
-       <li> <b>!rm </b> {num} - remove the num-th song on the playlist </li>
-       <li> <b>!<u>rep</u>eat </b> [{num}] - repeat current song {num} (1 by default) times.</li>
-       <li> <b>!<u>ran</u>dom </b> - randomize the playlist.</li>
-       </ul>
-       <b>Music Library</b>
-       <ul>
-       <li> <b>!<u>se</u>arch </b> {keywords} - find item with {keywords} in the music library, keywords separated by space.</li>
-       <li> <b>!<u>li</u>stfile </b> [{pattern}] - display list of available files (whose paths match the regex pattern if {pattern} is given) </li>
-       <li> <b>!<u>addt</u>ag </b> [{index}] {tags} - add {tags} to {index}-th(current song if {index} is omitted) item on the playlist, tags separated by ",". </li>
-       <li> <b>!<u>addt</u>ag </b> * {tags} - add {tags} to all items on the playlist. </li>
-       <li> <b>!<u>un</u>tag </b> [{index/*}] {tags}/* - remove {tags}/all tags from {index}-th(current song if {index} is omitted) item on the playlist. </li>
-       <li> <b>!<u>fin</u>dtagged </b> (or <b>!ft</b>) {tags} - find item with {tags} in the music library. </li>
-       <li> <b>!<u>del</u>ete </b> {index} - delete {index}-th item on the shortlist from the music library. </li>
-       </ul>
-       <b>Other</b>
-       <ul>
-       <li> <b>!<u>j</u>oinme {token} </b> - join your own channel with {token}.</li>
-       <li> <b>!<u>password</u> {password} </b> - change your password, used to access the web interface.</li>
-       </ul>
-
-admin_help = <h3>Admin command</h3>
-             <b>Bot</b>
-             <ul>
-             <li><b>!<u>k</u>ill </b> - kill the bot</li>
-             <li><b>!update </b> - update the bot</li>
-             <li><b>!userban </b> {user}  - ban a user</li>
-             <li><b>!userunban </b> {user}  - unban a user</li>
-             <li><b>!urlbanlist </b>  - list banned url</li>
-             <li><b>!urlban </b> [{url}]  - ban {url} (or current item's url by default) and remove this url from the library.</li>
-             <li><b>!urlunban </b> {url}  - unban {url}</li>
-             <li><b>!rescan </b> {url}  - rebuild local music file cache</li>
-             <li><b>!dropdatabase</b> - clear the entire database, you will lose all settings and music library.</li>
-             </ul>
-             <b>Web Interface</b>
-             <ul>
-             <li><b>!<u>webuserlist</u></b> - list all users that have the permission of accessing the web interface, if auth mode is 'password'.</li>
-             <li><b>!<u>webuseradd</u> {nick name}</b> - grant the user with {nick name} the access to the web interface, if auth mode is 'password'.</li>
-             <li><b>!<u>webuserdel</u> {nick name}</b> - revoke the access to the web interface of {nick name}, if auth mode is 'password'.</li>
-             <li><b>!update </b> - update the bot</li>
-             <li><b>!userban </b> {user}  - ban a user</li>
-             </ul>
-
-
diff --git a/configuration.example.ini b/configuration.example.ini
index 79142e4..13c546c 100644
--- a/configuration.example.ini
+++ b/configuration.example.ini
@@ -177,18 +177,3 @@ port = 64738
 #    see configuration.default.ini. Copy options you want to edit into this file.
 #play_file = file, f
 #play_file_match = filematch, fm
-
-# [strings] is used to compose what the bot says. You can customize them to fit in
-#  the style of your channel, or translate into your own language.
-#  For a full list of strings, please see configuration.default.ini.
-#  Copy options you want to edit into this file.
-#  Note: please keep those {placeholder} of each string in your new string.
-[strings]
-# Some examples are:
-#current_volume = Current volume: {volume}
-#current_volume = 当前音量为{volume}
-#current_volume = よく聞いてね！今の音量は{volume}！<br />ちゃんと覚える：大音量で耳が悪くなる！
-#
-#bad_command = {command}: command not found
-#bad_command = {command}: 未知命令，键入'!help'以获取可用命令列表
-#bad_command = {command}がなに？食べれる？おいしいでしか？
diff --git a/constants.py b/constants.py
index 72cfec0..2db849d 100644
--- a/constants.py
+++ b/constants.py
@@ -1,24 +1,45 @@
+import json
+
 import variables as var
 
+lang_dict = {}
 
-def tr(option, *argv, **kwargs):
+
+def load_lang(lang):
+    global lang_dict
+    with open(f"lang/{lang}", "r") as f:
+        lang_dict = json.load(f)
+
+
+def tr_cli(option, *argv, **kwargs):
     try:
-        string = var.config.get("strings", option)
+        string = lang_dict['cli'][option]
     except KeyError:
-        raise KeyError("Missed strings in configuration file: '{string}'. ".format(string=option)
-                       + "Please restore you configuration file back to default if necessary.")
+        raise KeyError("Missed strings in language file: '{string}'. ".format(string=option))
+    return _tr(string, *argv, **kwargs)
+
+
+def tr_web(option, *argv, **kwargs):
+    try:
+        string = lang_dict['web'][option]
+    except KeyError:
+        raise KeyError("Missed strings in language file: '{string}'. ".format(string=option))
+    return _tr(string, *argv, **kwargs)
+
+
+def _tr(string, *argv, **kwargs):
     if argv or kwargs:
         try:
             formatted = string.format(*argv, **kwargs)
             return formatted
         except KeyError as e:
             raise KeyError(
-                "Missed/Unexpected placeholder {{{placeholder}}} in string '{string}'. ".format(placeholder=str(e).strip("'"), string=option)
-                + "Please restore you configuration file back to default if necessary.")
+                "Missed/Unexpected placeholder {{{placeholder}}} in string "
+                "'{string}'. ".format(placeholder=str(e).strip("'"),
+                                      string=string))
         except TypeError:
             raise KeyError(
-                "Missed placeholder in string '{string}'. ".format(string=option)
-                + "Please restore you configuration file back to default if necessary.")
+                "Missed placeholder in string '{string}'. ".format(string=string))
     else:
         return string
 
@@ -28,5 +49,4 @@ def commands(command):
         string = var.config.get("commands", command)
         return string
     except KeyError:
-        raise KeyError("Missed command in configuration file: '{string}'. ".format(string=command)
-                       + "Please restore you configuration file back to default if necessary.")
+        raise KeyError("Missed command in configuration file: '{string}'. ".format(string=command))
diff --git a/lang/translate.py b/lang/translate.py
new file mode 100644
index 0000000..bb9dd2f
--- /dev/null
+++ b/lang/translate.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+import requests
+
+base_url = "https://translate.azlux.fr/api/v1"
+client = "be8215d4-2417-49db-9355-c418f26dc3f4"
+secret = "MIMvdnECLkmTZyCQT4DekONN53EOSsj3"
+project_id = "4aafb197-3282-47b3-a197-0ca870cf6ab2"
+
+data = {"grant_type": "client_credentials",
+        "client_id": client,
+        "client_secret": secret}
+
+r = requests.post(f"{base_url}/auth/token", json=data)
+token = r.json()["access_token"]
+
+headers = {"Authorization": "Bearer " + token,
+           "Accept": "application/json, text/plain, */*"}
+
+r = requests.get(f"{base_url}/projects/{project_id}/translations", headers=headers)
+translations = r.json()['data']
+for translation in translations:
+    lang_code = translation['locale']['code']
+    params = {'locale': lang_code,
+              'format': 'jsonnested'}
+    r = requests.get(f"{base_url}/projects/{project_id}/exports", params=params, headers=headers)
+    with open(lang_code, "wb")as f:
+        f.write(r.content)
diff --git a/media/file.py b/media/file.py
index 2686bfd..57ccba6 100644
--- a/media/file.py
+++ b/media/file.py
@@ -9,7 +9,7 @@ from PIL import Image
 import util
 import variables as var
 from media.item import BaseItem, item_builders, item_loaders, item_id_generators, ValidationFailedError
-import constants
+from constants import tr_cli as tr
 
 '''
 type : file
@@ -75,7 +75,7 @@ class FileItem(BaseItem):
         if not os.path.exists(self.uri()):
             self.log.info(
                 "file: music file missed for %s" % self.format_debug_string())
-            raise ValidationFailedError(constants.tr('file_missed', file=self.path))
+            raise ValidationFailedError(tr('file_missed', file=self.path))
 
         if self.duration == 0:
             self.duration = util.get_media_duration(self.uri())
@@ -185,14 +185,14 @@ class FileItem(BaseItem):
         )
 
     def format_song_string(self, user):
-        return constants.tr("file_item",
-                            title=self.title,
-                            artist=self.artist if self.artist else '??',
-                            user=user
-                            )
+        return tr("file_item",
+                  title=self.title,
+                  artist=self.artist if self.artist else '??',
+                  user=user
+                  )
 
     def format_current_playing(self, user):
-        display = constants.tr("now_playing", item=self.format_song_string(user))
+        display = tr("now_playing", item=self.format_song_string(user))
         if self.thumbnail:
             thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
                              self.thumbnail + '"/>'
@@ -208,4 +208,4 @@ class FileItem(BaseItem):
             return title
 
     def display_type(self):
-        return constants.tr("file")
+        return tr("file")
diff --git a/media/radio.py b/media/radio.py
index 1accd31..ae82a73 100644
--- a/media/radio.py
+++ b/media/radio.py
@@ -7,7 +7,7 @@ import hashlib
 
 from media.item import BaseItem
 from media.item import item_builders, item_loaders, item_id_generators
-import constants
+from constants import tr_cli as tr
 
 log = logging.getLogger("bot")
 
@@ -147,18 +147,18 @@ class RadioItem(BaseItem):
         )
 
     def format_song_string(self, user):
-        return constants.tr("radio_item",
-                            url=self.url,
-                            title=get_radio_title(self.url),  # the title of current song
-                            name=self.title,  # the title of radio station
-                            user=user
-                            )
+        return tr("radio_item",
+                  url=self.url,
+                  title=get_radio_title(self.url),  # the title of current song
+                  name=self.title,  # the title of radio station
+                  user=user
+                  )
 
     def format_current_playing(self, user):
-        return constants.tr("now_playing", item=self.format_song_string(user))
+        return tr("now_playing", item=self.format_song_string(user))
 
     def format_title(self):
         return self.title if self.title else self.url
 
     def display_type(self):
-        return constants.tr("radio")
+        return tr("radio")
diff --git a/media/url.py b/media/url.py
index 529d35d..d4d1aa8 100644
--- a/media/url.py
+++ b/media/url.py
@@ -9,7 +9,7 @@ import glob
 from io import BytesIO
 import base64
 
-import constants
+from constants import tr_cli as tr
 import media
 import variables as var
 from media.item import BaseItem, item_builders, item_loaders, item_id_generators, ValidationFailedError, \
@@ -99,7 +99,7 @@ class URLItem(BaseItem):
             # Check the length, useful in case of playlist, it wasn't checked before)
             log.info(
                 "url: " + self.url + " has a duration of " + str(self.duration / 60) + " min -- too long")
-            raise ValidationFailedError(constants.tr('too_long', song=self.title))
+            raise ValidationFailedError(tr('too_long', song=self.title))
         else:
             self.ready = "validated"
             self.version += 1  # notify wrapper to save me
@@ -138,7 +138,7 @@ class URLItem(BaseItem):
         if not succeed:
             self.ready = 'failed'
             self.log.error("url: error while fetching info from the URL")
-            raise ValidationFailedError(constants.tr('unable_download', item=self.format_title()))
+            raise ValidationFailedError(tr('unable_download', item=self.format_title()))
 
     def _download(self):
         media.system.clear_tmp_folder(var.tmp_folder, var.config.getint('bot', 'tmp_folder_max_size'))
@@ -193,7 +193,7 @@ class URLItem(BaseItem):
                     os.remove(f)
                 self.ready = "failed"
                 self.downloading = False
-                raise PreparationFailedError(constants.tr('unable_download', item=self.format_title()))
+                raise PreparationFailedError(tr('unable_download', item=self.format_title()))
 
     def _read_thumbnail_from_file(self, path_thumbnail):
         if os.path.isfile(path_thumbnail):
@@ -226,14 +226,14 @@ class URLItem(BaseItem):
 
     def format_song_string(self, user):
         if self.ready in ['validated', 'yes']:
-            return constants.tr("url_item",
+            return tr("url_item",
                                 title=self.title if self.title else "??",
                                 url=self.url,
                                 user=user)
         return self.url
 
     def format_current_playing(self, user):
-        display = constants.tr("now_playing", item=self.format_song_string(user))
+        display = tr("now_playing", item=self.format_song_string(user))
 
         if self.thumbnail:
             thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
@@ -246,4 +246,4 @@ class URLItem(BaseItem):
         return self.title if self.title.strip() else self.url
 
     def display_type(self):
-        return constants.tr("url")
+        return tr("url")
diff --git a/media/url_from_playlist.py b/media/url_from_playlist.py
index 6c6c8d1..0b00b7a 100644
--- a/media/url_from_playlist.py
+++ b/media/url_from_playlist.py
@@ -1,5 +1,5 @@
 import youtube_dl
-import constants
+from constants import tr_cli as tr
 import variables as var
 from media.item import item_builders, item_loaders, item_id_generators
 from media.url import URLItem, url_item_id_generator
@@ -96,7 +96,7 @@ class PlaylistURLItem(URLItem):
         )
 
     def format_song_string(self, user):
-        return constants.tr("url_from_playlist_item",
+        return tr("url_from_playlist_item",
                             title=self.title,
                             url=self.url,
                             playlist_url=self.playlist_url,
@@ -104,7 +104,7 @@ class PlaylistURLItem(URLItem):
                             user=user)
 
     def format_current_playing(self, user):
-        display = constants.tr("now_playing", item=self.format_song_string(user))
+        display = tr("now_playing", item=self.format_song_string(user))
 
         if self.thumbnail:
             thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
@@ -114,4 +114,4 @@ class PlaylistURLItem(URLItem):
         return display
 
     def display_type(self):
-        return constants.tr("url_from_playlist")
+        return tr("url_from_playlist")
diff --git a/mumbleBot.py b/mumbleBot.py
index 25424de..494f14d 100644
--- a/mumbleBot.py
+++ b/mumbleBot.py
@@ -23,7 +23,8 @@ from packaging import version
 
 import util
 import command
-from constants import tr, commands
+import constants
+from constants import tr_cli as tr
 from database import SettingsDatabase, MusicDatabase, DatabaseMigration
 import media.system
 from media.item import ValidationFailedError, PreparationFailedError
@@ -713,6 +714,8 @@ def start_web_interface(addr, port):
 
 
 if __name__ == '__main__':
+    supported_languages = util.get_supported_language()
+
     parser = argparse.ArgumentParser(
         description='Bot for playing music on Mumble')
 
@@ -720,11 +723,11 @@ if __name__ == '__main__':
     parser.add_argument("--config", dest='config', type=str, default='configuration.ini',
                         help='Load configuration from this file. Default: configuration.ini')
     parser.add_argument("--db", dest='db', type=str,
-                        default=None, help='Settings database file. Default: settings-{username_of_the_bot}.db')
+                        default=None, help='Settings database file')
     parser.add_argument("--music-db", dest='music_db', type=str,
-                        default=None, help='Music library database file. Default: music.db')
-    parser.add_argument("--lang", dest='lang', type=str, default='en_US',
-                        help='Preferred language.')
+                        default=None, help='Music library database file')
+    parser.add_argument("--lang", dest='lang', type=str, default=None,
+                        help='Preferred language. Support ' + ", ".join(supported_languages))
 
     parser.add_argument("-q", "--quiet", dest="quiet",
                         action="store_true", help="Only Error logs")
@@ -817,6 +820,20 @@ if __name__ == '__main__':
     var.music_folder = util.solve_filepath(var.config.get('bot', 'music_folder'))
     var.tmp_folder = util.solve_filepath(var.config.get('bot', 'tmp_folder'))
 
+    # ======================
+    #      Translation
+    # ======================
+
+    lang = ""
+    if args.lang:
+        lang = args.lang
+    else:
+        lang = var.config.get('bot', 'language', fallback='en_US')
+
+    if lang not in supported_languages:
+        raise KeyError(f"Unsupported language {lang}")
+    constants.load_lang(lang)
+
     # ======================
     #     Prepare Cache
     # ======================
diff --git a/util.py b/util.py
index b484d42..c4723f1 100644
--- a/util.py
+++ b/util.py
@@ -8,7 +8,6 @@ import io
 import sys
 import variables as var
 import zipfile
-import requests
 import re
 import subprocess as sp
 import logging
@@ -416,6 +415,17 @@ def verify_password(password, salted_hash, salt):
     return False
 
 
+def get_supported_language():
+    lang_files = os.listdir('lang')
+    lang_list = []
+    for lang_file in lang_files:
+        match = re.search("[a-z]{2}_[A-Z]{2}", lang_file)
+        if match:
+            lang_list.append(lang_file)
+
+    return lang_list
+
+
 class LoggerIOWrapper(io.TextIOWrapper):
     def __init__(self, logger: logging.Logger, logging_level, fallback_io_buffer):
         super().__init__(fallback_io_buffer, write_through=True)

From f76bb2ab2aaa82562cc073cfbb4cdb5ccb138c0c Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 11 Jul 2020 11:43:12 +0800
Subject: [PATCH 03/14] feat: Push local strings into traduora if writable
 secrets are set.

---
 .drone.yml               |  8 ++---
 lang/sync_translation.py | 64 ++++++++++++++++++++++++++++++++++++++++
 lang/translate.py        | 28 ------------------
 3 files changed, 67 insertions(+), 33 deletions(-)
 create mode 100755 lang/sync_translation.py
 delete mode 100644 lang/translate.py

diff --git a/.drone.yml b/.drone.yml
index f30258a..38eee93 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,10 +6,7 @@ steps:
   - name: build
     image: node
     commands:
-      - cd web
-      - npm install
-      - npm run build
-      - cd ..
+      - (cd web && npm install && npm run build)
 
   - name: deploy-testing
     image: debian
@@ -20,7 +17,7 @@ steps:
       - echo "current git commit is $version"
       - echo $version > /mnt/botamusique/testing-version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
-      - ./lang/translate.py
+      - (cd lang && ./sync_translation.py)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
@@ -62,6 +59,7 @@ steps:
       - echo $version > /mnt/botamusique/version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
       - curl --silent "https://api.github.com/repos/azlux/botamusique/releases/latest" | jq -r '.body' | pandoc --from gfm --to html - --output - > /mnt/botamusique/changelog
+      - (cd lang && ./sync_translation.py)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
diff --git a/lang/sync_translation.py b/lang/sync_translation.py
new file mode 100755
index 0000000..1d162f4
--- /dev/null
+++ b/lang/sync_translation.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+import os
+import requests
+
+base_url = "https://translate.azlux.fr/api/v1"
+project_id = "4aafb197-3282-47b3-a197-0ca870cf6ab2"
+r_client = "be8215d4-2417-49db-9355-c418f26dc3f4"
+r_secret = "MIMvdnECLkmTZyCQT4DekONN53EOSsj3"
+w_client = os.environ.get("TRADUORA_W_CLIENT", default=None)
+w_secret = os.environ.get("TRADUORA_W_SECRET", default=None)
+
+
+def fetch_translation():
+    print("Fetching translation from remote host...")
+    data = {"grant_type": "client_credentials",
+            "client_id": r_client,
+            "client_secret": r_secret}
+
+    r = requests.post(f"{base_url}/auth/token", json=data)
+    token = r.json()["access_token"]
+
+    headers = {"Authorization": "Bearer " + token,
+               "Accept": "application/json, text/plain, */*"}
+
+    r = requests.get(f"{base_url}/projects/{project_id}/translations", headers=headers)
+    translations = r.json()['data']
+    for translation in translations:
+        lang_code = translation['locale']['code']
+        print(f" - Fetching {lang_code}")
+        params = {'locale': lang_code,
+                  'format': 'jsonnested'}
+        r = requests.get(f"{base_url}/projects/{project_id}/exports", params=params, headers=headers)
+        with open(lang_code, "wb") as f:
+            f.write(r.content)
+
+
+def push_strings():
+    print("Pushing local en_US file into the remote host...")
+    data = {"grant_type": "client_credentials",
+            "client_id": w_client,
+            "client_secret": w_secret}
+
+    r = requests.post(f"{base_url}/auth/token", json=data)
+    token = r.json()["access_token"]
+
+    headers = {"Authorization": "Bearer " + token,
+               "Accept": "application/json, text/plain, */*"}
+
+    params = {'locale': 'en_US',
+              'format': 'jsonnested'}
+
+    files = {'file': open('lang/en_US', 'r')}
+    r = requests.post(f"{base_url}/projects/{project_id}/exports", data=params, headers=headers, files=files)
+    assert r.status_code == 200, "Unable to push local en_US file into remote host."
+
+
+if w_client and w_secret:
+    print("Detected writable API keys from environ.")
+    push_strings()
+
+fetch_translation()
+
+print("Done.")
diff --git a/lang/translate.py b/lang/translate.py
deleted file mode 100644
index bb9dd2f..0000000
--- a/lang/translate.py
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/usr/bin/env python3
-
-import requests
-
-base_url = "https://translate.azlux.fr/api/v1"
-client = "be8215d4-2417-49db-9355-c418f26dc3f4"
-secret = "MIMvdnECLkmTZyCQT4DekONN53EOSsj3"
-project_id = "4aafb197-3282-47b3-a197-0ca870cf6ab2"
-
-data = {"grant_type": "client_credentials",
-        "client_id": client,
-        "client_secret": secret}
-
-r = requests.post(f"{base_url}/auth/token", json=data)
-token = r.json()["access_token"]
-
-headers = {"Authorization": "Bearer " + token,
-           "Accept": "application/json, text/plain, */*"}
-
-r = requests.get(f"{base_url}/projects/{project_id}/translations", headers=headers)
-translations = r.json()['data']
-for translation in translations:
-    lang_code = translation['locale']['code']
-    params = {'locale': lang_code,
-              'format': 'jsonnested'}
-    r = requests.get(f"{base_url}/projects/{project_id}/exports", params=params, headers=headers)
-    with open(lang_code, "wb")as f:
-        f.write(r.content)

From ff2688fae1e5663c2ca626fecc045123f2d240bd Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 11 Jul 2020 11:57:09 +0800
Subject: [PATCH 04/14] feat: Unknown language strings fall back to en_US.

---
 constants.py | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/constants.py b/constants.py
index 2db849d..3936be0 100644
--- a/constants.py
+++ b/constants.py
@@ -2,18 +2,24 @@ import json
 
 import variables as var
 
+default_lang_dict = {}
 lang_dict = {}
 
 
 def load_lang(lang):
-    global lang_dict
+    global lang_dict, default_lang_dict
+    with open("lang/en_US", "r") as f:
+        default_lang_dict = json.load(f)
     with open(f"lang/{lang}", "r") as f:
         lang_dict = json.load(f)
 
 
 def tr_cli(option, *argv, **kwargs):
     try:
-        string = lang_dict['cli'][option]
+        if option in lang_dict['cli'] and lang_dict['cli'][option]:
+            string = lang_dict['cli'][option]
+        else:
+            string = default_lang_dict['cli'][option]
     except KeyError:
         raise KeyError("Missed strings in language file: '{string}'. ".format(string=option))
     return _tr(string, *argv, **kwargs)
@@ -21,7 +27,10 @@ def tr_cli(option, *argv, **kwargs):
 
 def tr_web(option, *argv, **kwargs):
     try:
-        string = lang_dict['web'][option]
+        if option in lang_dict['web'] and lang_dict['web'][option]:
+            string = lang_dict['web'][option]
+        else:
+            string = default_lang_dict['web'][option]
     except KeyError:
         raise KeyError("Missed strings in language file: '{string}'. ".format(string=option))
     return _tr(string, *argv, **kwargs)

From 36b0e7c399703e91bd3ee21459bfaa0b4447b28e Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 11 Jul 2020 14:28:19 +0800
Subject: [PATCH 05/14] chore: Add default en_US translation file.

---
 lang/en_US | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 lang/en_US

diff --git a/lang/en_US b/lang/en_US
new file mode 100644
index 0000000..e4549f1
--- /dev/null
+++ b/lang/en_US
@@ -0,0 +1,80 @@
+{
+    "cli": {
+        "added_tags": "Added tags <i>{tags}</i> to <b>{song}</b>.",
+        "added_tags_to_all": "Added tags <i>{tags}</i> to songs on the playlist.",
+        "admin_help": "<h3>Admin command</h3>\n<b>Bot</b>\n<ul>\n<li><b>!<u>k</u>ill </b> - kill the bot</li>\n<li><b>!update </b> - update the bot</li>\n<li><b>!userban </b> {user}  - ban a user</li>\n<li><b>!userunban </b> {user}  - unban a user</li>\n<li><b>!urlbanlist </b>  - list banned url</li>\n<li><b>!urlban </b> [{url}]  - ban {url} (or current item's url by default) and remove this url from the library.</li>\n<li><b>!urlunban </b> {url}  - unban {url}</li>\n<li><b>!rescan </b> {url}  - rebuild local music file cache</li>\n<li><b>!dropdatabase</b> - clear the entire database, you will lose all settings and music library.</li>\n</ul>\n<b>Web Interface</b>\n<ul>\n<li><b>!<u>webuserlist</u></b> - list all users that have the permission of accessing the web interface, if auth mode is 'password'.</li>\n<li><b>!<u>webuseradd</u> {nick name}</b> - grant the user with {nick name} the access to the web interface, if auth mode is 'password'.</li>\n<li><b>!<u>webuserdel</u> {nick name}</b> - revoke the access to the web interface of {nick name}, if auth mode is 'password'.</li>\n<li><b>!update </b> - update the bot</li>\n<li><b>!userban </b> {user}  - ban a user</li>\n</ul>",
+        "auto_paused": "Use <i>!play</i> to resume music!",
+        "bad_command": "{{command}}: command not found.",
+        "bad_parameter": "{command}: invalid parameter.",
+        "bad_url": "Bad URL requested.",
+        "cache_refreshed": "Cache refreshed!",
+        "change_ducking_volume": "Volume on ducking set to {volume} by {user}.",
+        "change_mode": "Playback mode set to <i>{mode}</i> by {user}.",
+        "change_volume": "Volume set to {volume} by {user}.",
+        "cleared": "Playlist emptied.",
+        "cleared_tags": "Removed all tags from <b>{song}</b>.",
+        "cleared_tags_from_all": "Removed all tags from songs on the playlist.",
+        "command_disabled": "{command}: command disabled!",
+        "current_ducking_volume": "Volume on ducking: {volume}.",
+        "current_mode": "Current playback mode is <i>{mode}</i>.",
+        "current_volume": "Current volume: {volume}.",
+        "database_dropped": "Database dropped. All records have gone.",
+        "download_in_progress": "Download of <b>{item}</b> in progress...",
+        "error_executing_command": "{command}: Command failed with error: {error}.",
+        "file": "File",
+        "file_added": "Added {item}.",
+        "file_deleted": "Deleted {item} from the library.",
+        "file_item": "<b>{artist} - {title}</b> <i>added by</i> {user}",
+        "file_missed": "Music file '{file}' missed! This item has been removed from the playlist.",
+        "help": "<h3>Commands</h3>\n<b>Control</b>\n<ul>\n<li> <b>!<u>w</u>eb</b> - get the URL of the web interface, if enabled. </li>\n<li> <b>!play </b> (or <b>!p</b>) [{num}] [{start_from}] - resume from pausing / start to play (the num-th song is num if given) </li>\n<li> <b>!<u>pa</u>use </b> - pause </li>\n<li> <b>!<u>st</u>op </b> - stop playing </li>\n<li> <b>!<u>sk</u>ip </b> - jump to the next song </li>\n<li> <b>!<u>la</u>st </b> - jump to the last song </li>\n<li> <b>!<u>v</u>olume </b> {volume} - get or change the volume (from 0 to 100) </li>\n<li> <b>!<u>m</u>ode </b> [{mode}] - get or set the playback mode, {mode} should be one of <i>one-shot</i> (remove\nitem once played), <i>repeat</i> (looping through the playlist), <i>random</i> (randomize the playlist),\n<i>autoplay</i> (randomly grab something from the music library).</li>\n<li> <b>!duck </b> on/off - enable or disable ducking function </li>\n<li> <b>!duckv </b> - set the volume of the bot when ducking is activated </li>\n<li> <b>!<u>duckt</u>hres </b> - set the threshold of volume to activate ducking (3000 by default) </li>\n<li> <b>!<u>o</u>ust </b> - stop playing and go to default channel </li>\n</ul>\n<b>Playlist</b>\n<ul>\n<li> <b>!<u>n</u>ow </b> (or <b>!np</b>) - display the current song </li>\n<li> <b>!<u>q</u>ueue </b> - display items in the playlist </li>\n<li> <b>!<u>t</u>ag </b> {tags} - add all items with tags {tags}, tags separated by \",\". </li>\n<li> <b>!file </b>(or <b>!f</b>) {path/folder/keyword} - add a single file to the playlist by its path or keyword in its path. </li>\n<li> <b>!<u>filem</u>atch </b>(or <b>!fm</b>) {pattern} - add all files that match regex {pattern} </li>\n<li> <b>!<u>ur</u>l </b> {url} - add Youtube or SoundCloud music </li>\n<li> <b>!<u>playl</u>ist </b> {url} [{offset}] - add all items in a Youtube or SoundCloud playlist, and start with the {offset}-th item </li>\n<li> <b>!<u>rad</u>io </b> {url} - append a radio {url} to the playlist </li>\n<li> <b>!<u>rbq</u>uery </b> {keyword} - query http://www.radio-browser.info for a radio station </li>\n<li> <b>!<u>rbp</u>lay </b> {id} - play a radio station with {id} (eg. !rbplay 96746) </li>\n<li> <b>!<u>ys</u>earch </b> {keywords} - query youtube. Use <i>!ysearch -n</i> to turn the page. </li>\n<li> <b>!<u>yp</u>lay </b> {keywords} - add the first search result of {keywords} into the playlist.</li>\n<li> <b>!<u>sh</u>ortlist </b> (or <b>!sl</b>) {indexes/*} - add {indexes}-th item (or all items if * is given) on the shortlist. </li>\n<li> <b>!rm </b> {num} - remove the num-th song on the playlist </li>\n<li> <b>!<u>rep</u>eat </b> [{num}] - repeat current song {num} (1 by default) times.</li>\n<li> <b>!<u>ran</u>dom </b> - randomize the playlist.</li>\n</ul>\n<b>Music Library</b>\n<ul>\n<li> <b>!<u>se</u>arch </b> {keywords} - find item with {keywords} in the music library, keywords separated by space.</li>\n<li> <b>!<u>li</u>stfile </b> [{pattern}] - display list of available files (whose paths match the regex pattern if {pattern} is given) </li>\n<li> <b>!<u>addt</u>ag </b> [{index}] {tags} - add {tags} to {index}-th(current song if {index} is omitted) item on the playlist, tags separated by \",\". </li>\n<li> <b>!<u>addt</u>ag </b> * {tags} - add {tags} to all items on the playlist. </li>\n<li> <b>!<u>un</u>tag </b> [{index/*}] {tags}/* - remove {tags}/all tags from {index}-th(current song if {index} is omitted) item on the playlist. </li>\n<li> <b>!<u>fin</u>dtagged </b> (or <b>!ft</b>) {tags} - find item with {tags} in the music library. </li>\n<li> <b>!<u>del</u>ete </b> {index} - delete {index}-th item on the shortlist from the music library. </li>\n</ul>\n<b>Other</b>\n<ul>\n<li> <b>!<u>j</u>oinme {token} </b> - join your own channel with {token}.</li>\n<li> <b>!<u>password</u> {password} </b> - change your password, used to access the web interface.</li>\n</ul>",
+        "invalid_index": "Invalid index <i>{index}</i>. Use '!queue' to see the playlist.",
+        "multiple_file_added": "Multiple items added:",
+        "multiple_file_deleted": "Multiple items deleted from the library:",
+        "multiple_file_found": "Found:",
+        "multiple_matches": "File not found! Possible candidates:",
+        "new_version_found": "<h2>Update Available!</h2> Version {new_version} of botamusique is available! <hr />\n<h3>Changelog</h3> {changelog} <hr /> Send <i>!update</i> to update!",
+        "no_file": "File not found.",
+        "not_admin": "You are not an admin!",
+        "not_in_my_channel": "You're not in my channel!",
+        "not_playing": "Nothing is playing right now.",
+        "now_playing": "Playing {item}",
+        "page_instruction": "Page {current}/{total}. Use <i>!{command} {{page}}</i> to navigate.",
+        "paused": "Music paused.",
+        "playlist_fetching_failed": "Unable to fetch the playlist!",
+        "pm_not_allowed": "Private message aren't allowed.",
+        "preconfigurated_radio": "Preconfigurated Radio available:",
+        "queue_contents": "Items on the playlist:",
+        "queue_empty": "Playlist is empty!",
+        "radio": "Radio",
+        "radio_item": "<a href=\"{url}\"><b>{title}</b></a> <i>from</i> {name} <i>added by</i> {user}",
+        "rb_play_empty": "Please specify a radio station ID!",
+        "rb_query_result": "This is the result of your query, send <i> !rbplay {ID} </i> to play a station:",
+        "records_omitted": "...",
+        "removed_tags": "Removed tags <i>{tags}</i> from <b>{song}</b>.",
+        "removed_tags_from_all": "Removed tags <i>{tags}</i> from songs on the playlist.",
+        "removing_item": "Removed entry {item} from playlist.",
+        "repeat": "Repeat {song} for {n} times.",
+        "shortlist_instruction": "Use <i>!sl {indexes}</i> to play the item you want.",
+        "start_updating": "Start updating...",
+        "stopped": "Music stopped.",
+        "too_long": "<b>{song}</b> is too long, removed from playlist!",
+        "unable_download": "Unable to download <b>{item}</b>. Removed from the library.",
+        "unable_play": "Unable to play <b>{item}</b>. Removed from the library.",
+        "unknown_mode": "Unknown playback mode '{mode}'. It should be one of <i>one-shot</i>, <i>repeat</i>, <i>random</i>.",
+        "update_successful": "<h2>botamusique v{version} Installed!</h2><hr />\n<h3>Changelog</h3> {changelog} <hr /> Visit <a href=\"https://github.com/azlux/botamusique\">our github repo</a> for more details!",
+        "url": "URL",
+        "url_ban": "This URL is banned!",
+        "url_from_playlist": "URL",
+        "url_from_playlist_item": "<a href=\"{url}\"><b>{title}</b></a> <i>from playlist</i> <a href=\"{playlist_url}\">{playlist}</a> <i>added by</i> {user}",
+        "url_item": "<a href=\"{url}\"><b>{title}</b></a> <i>added by</i> {user}",
+        "user_ban": "You are banned, not allowed to do that!",
+        "user_password_set": "Your password has been updated.",
+        "web_user_list": "Following users has the privilege to access the web interface: <br /> {users}",
+        "webpage_address": "Your own address to access the web interface is <a href=\"{address}\">{address}</a>",
+        "which_command": "Do you mean <br /> {commands}",
+        "wrong_pattern": "Invalid regex: {error}.",
+        "yt_no_more": "No more results!",
+        "yt_query_error": "Unable to query youtube!",
+        "yt_result": "Youtube query result: {result_table} Use <i>!sl {{indexes}}</i> to play the item you want. <br />\n<i>!ytquery -n</i> for the next page."
+    }
+}
\ No newline at end of file

From f4e6589a0ebf316883c4438f896b9d49842009c6 Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sat, 11 Jul 2020 19:30:18 +0800
Subject: [PATCH 06/14] refactor: Update sync translation logic.

---
 .drone.yml               |  4 +-
 lang/sync_translation.py | 83 +++++++++++++++++++++++++++-------------
 2 files changed, 59 insertions(+), 28 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index 38eee93..6ad5988 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -17,7 +17,7 @@ steps:
       - echo "current git commit is $version"
       - echo $version > /mnt/botamusique/testing-version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
-      - (cd lang && ./sync_translation.py)
+      - (cd lang && ./sync_translation.py --client $TRADUROA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
@@ -59,7 +59,7 @@ steps:
       - echo $version > /mnt/botamusique/version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
       - curl --silent "https://api.github.com/repos/azlux/botamusique/releases/latest" | jq -r '.body' | pandoc --from gfm --to html - --output - > /mnt/botamusique/changelog
-      - (cd lang && ./sync_translation.py)
+      - (cd lang && ./sync_translation.py --client $TRADUROA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
diff --git a/lang/sync_translation.py b/lang/sync_translation.py
index 1d162f4..1d60360 100755
--- a/lang/sync_translation.py
+++ b/lang/sync_translation.py
@@ -1,28 +1,36 @@
 #!/usr/bin/env python
 
 import os
+import re
+import argparse
 import requests
 
 base_url = "https://translate.azlux.fr/api/v1"
 project_id = "4aafb197-3282-47b3-a197-0ca870cf6ab2"
-r_client = "be8215d4-2417-49db-9355-c418f26dc3f4"
-r_secret = "MIMvdnECLkmTZyCQT4DekONN53EOSsj3"
-w_client = os.environ.get("TRADUORA_W_CLIENT", default=None)
-w_secret = os.environ.get("TRADUORA_W_SECRET", default=None)
 
 
-def fetch_translation():
-    print("Fetching translation from remote host...")
+def get_access_header(client, secret):
     data = {"grant_type": "client_credentials",
-            "client_id": r_client,
-            "client_secret": r_secret}
+            "client_id": client,
+            "client_secret": secret}
 
     r = requests.post(f"{base_url}/auth/token", json=data)
+
+    if r.status_code != 200:
+        print("Access denied! Please check your client ID or secret.")
+        exit(1)
+
     token = r.json()["access_token"]
 
     headers = {"Authorization": "Bearer " + token,
                "Accept": "application/json, text/plain, */*"}
 
+    return headers
+
+
+def fetch_translation(r_client, r_secret):
+    headers = get_access_header(r_client, r_secret)
+
     r = requests.get(f"{base_url}/projects/{project_id}/translations", headers=headers)
     translations = r.json()['data']
     for translation in translations:
@@ -35,30 +43,53 @@ def fetch_translation():
             f.write(r.content)
 
 
-def push_strings():
+def push_strings(w_client, w_secret):
     print("Pushing local en_US file into the remote host...")
-    data = {"grant_type": "client_credentials",
-            "client_id": w_client,
-            "client_secret": w_secret}
+    headers = get_access_header(w_client, w_secret)
 
-    r = requests.post(f"{base_url}/auth/token", json=data)
-    token = r.json()["access_token"]
+    lang_files = os.listdir('.')
+    lang_list = []
+    for lang_file in lang_files:
+        match = re.search("[a-z]{2}_[A-Z]{2}", lang_file)
+        if match:
+            lang_list.append(lang_file)
 
-    headers = {"Authorization": "Bearer " + token,
-               "Accept": "application/json, text/plain, */*"}
+    for lang_file in lang_list:
+        print(f" - Pushing {lang_file}")
 
-    params = {'locale': 'en_US',
-              'format': 'jsonnested'}
+        params = {'locale': lang_file,
+                  'format': 'jsonnested'}
+        files = {'file': open(lang_file, 'r')}
 
-    files = {'file': open('lang/en_US', 'r')}
-    r = requests.post(f"{base_url}/projects/{project_id}/exports", data=params, headers=headers, files=files)
-    assert r.status_code == 200, "Unable to push local en_US file into remote host."
+        r = requests.post(f"{base_url}/projects/{project_id}/imports", params=params, headers=headers, files=files)
+        assert r.status_code == 200, f"Unable to push {lang_file} into remote host. {r.status_code}"
 
 
-if w_client and w_secret:
-    print("Detected writable API keys from environ.")
-    push_strings()
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Sync translation files with azlux's traduora server.")
 
-fetch_translation()
+    parser.add_argument("--client", dest="client",
+                        type=str, help="Client ID used to access the server.")
+    parser.add_argument("--secret", dest="secret",
+                        type=str, help="Secret used to access the server.")
+
+    parser.add_argument("--fetch", dest='fetch', action="store_true",
+                        help='Fetch translation files from the server.')
+    parser.add_argument("--push", dest='push', action="store_true",
+                        help='Push local translation files into the server.')
+
+    args = parser.parse_args()
+
+    if not args.client or not args.secret:
+        print("Client ID and secret need to be provided!")
+        exit(1)
+
+    if args.push:
+        push_strings(args.client, args.secret)
+
+    if args.fetch:
+        fetch_translation(args.client, args.secret)
+
+    print("Done.")
 
-print("Done.")

From a12a7c3a84af7eaf075ab9928eac1af5f25766ac Mon Sep 17 00:00:00 2001
From: azlux <github@azlux.fr>
Date: Sat, 11 Jul 2020 23:44:52 +0200
Subject: [PATCH 07/14] version

I need the python version for drone
---
 lang/sync_translation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lang/sync_translation.py b/lang/sync_translation.py
index 1d60360..22fafba 100755
--- a/lang/sync_translation.py
+++ b/lang/sync_translation.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import re

From 350eb0a58613ddc2bd09686e156996d758772047 Mon Sep 17 00:00:00 2001
From: Azlux <github@azlux.fr>
Date: Sun, 12 Jul 2020 01:22:29 +0200
Subject: [PATCH 08/14] fix + auto fetch cron

---
 .drone.yml | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index 6ad5988..5e0fae1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -17,7 +17,7 @@ steps:
       - echo "current git commit is $version"
       - echo $version > /mnt/botamusique/testing-version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
-      - (cd lang && ./sync_translation.py --client $TRADUROA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
+      - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
@@ -59,7 +59,7 @@ steps:
       - echo $version > /mnt/botamusique/version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
       - curl --silent "https://api.github.com/repos/azlux/botamusique/releases/latest" | jq -r '.body' | pandoc --from gfm --to html - --output - > /mnt/botamusique/changelog
-      - (cd lang && ./sync_translation.py --client $TRADUROA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
+      - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
@@ -84,6 +84,25 @@ steps:
     when:
       event:
         - tag
+        
+  - name: fetch-translate
+    image: debian
+    commands:
+      - apt update && apt install -y git python3-requests hub
+      - git branch bot-traduora && git checkout bot-traduora
+      - (cd lang/ && ./sync_translation.py --client $TRADUORA_R_CLIENT --secret $TRADUORA_R_SECRET --fetch)
+      - git add lang/* && git status
+      - git config --global user.email "github@azlux.fr" && git config --global user.name "azlux"
+      - git commit -a -m 'Bot: update strings'
+      - git remote set-url origin https://azlux:$GITHUB_API@github.com/azlux/botamusique/
+      - git push --set-upstream origin new-translations && git push
+      - GITHUB_USER="azlux" GITHUB_TOKEN="$GITHUB_API"  hub pull-request -m "Bot: TRADUORA Update"
+    when:
+      event:
+        - cron
+      cron:
+        - auto-fetch-lang
+
 
 volumes:
 - name: repo

From 9f2c4a2afd11de3309407dd21687d66328a972f8 Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sun, 12 Jul 2020 11:55:04 +0800
Subject: [PATCH 09/14] refactor: Add suffixes to translation file.

---
 constants.py               |  4 ++--
 lang/{en_US => en_US.json} |  4 ++--
 lang/sync_translation.py   | 18 +++++++++---------
 util.py                    |  4 ++--
 4 files changed, 15 insertions(+), 15 deletions(-)
 rename lang/{en_US => en_US.json} (98%)

diff --git a/constants.py b/constants.py
index 3936be0..736d286 100644
--- a/constants.py
+++ b/constants.py
@@ -8,9 +8,9 @@ lang_dict = {}
 
 def load_lang(lang):
     global lang_dict, default_lang_dict
-    with open("lang/en_US", "r") as f:
+    with open("lang/en_US.json", "r") as f:
         default_lang_dict = json.load(f)
-    with open(f"lang/{lang}", "r") as f:
+    with open(f"lang/{lang}.json", "r") as f:
         lang_dict = json.load(f)
 
 
diff --git a/lang/en_US b/lang/en_US.json
similarity index 98%
rename from lang/en_US
rename to lang/en_US.json
index e4549f1..db7a6af 100644
--- a/lang/en_US
+++ b/lang/en_US.json
@@ -4,8 +4,8 @@
         "added_tags_to_all": "Added tags <i>{tags}</i> to songs on the playlist.",
         "admin_help": "<h3>Admin command</h3>\n<b>Bot</b>\n<ul>\n<li><b>!<u>k</u>ill </b> - kill the bot</li>\n<li><b>!update </b> - update the bot</li>\n<li><b>!userban </b> {user}  - ban a user</li>\n<li><b>!userunban </b> {user}  - unban a user</li>\n<li><b>!urlbanlist </b>  - list banned url</li>\n<li><b>!urlban </b> [{url}]  - ban {url} (or current item's url by default) and remove this url from the library.</li>\n<li><b>!urlunban </b> {url}  - unban {url}</li>\n<li><b>!rescan </b> {url}  - rebuild local music file cache</li>\n<li><b>!dropdatabase</b> - clear the entire database, you will lose all settings and music library.</li>\n</ul>\n<b>Web Interface</b>\n<ul>\n<li><b>!<u>webuserlist</u></b> - list all users that have the permission of accessing the web interface, if auth mode is 'password'.</li>\n<li><b>!<u>webuseradd</u> {nick name}</b> - grant the user with {nick name} the access to the web interface, if auth mode is 'password'.</li>\n<li><b>!<u>webuserdel</u> {nick name}</b> - revoke the access to the web interface of {nick name}, if auth mode is 'password'.</li>\n<li><b>!update </b> - update the bot</li>\n<li><b>!userban </b> {user}  - ban a user</li>\n</ul>",
         "auto_paused": "Use <i>!play</i> to resume music!",
-        "bad_command": "{{command}}: command not found.",
-        "bad_parameter": "{command}: invalid parameter.",
+        "bad_command": "<i>{command}</i>: command not found.",
+        "bad_parameter": "<i>{command}</i>: invalid parameter.",
         "bad_url": "Bad URL requested.",
         "cache_refreshed": "Cache refreshed!",
         "change_ducking_volume": "Volume on ducking set to {volume} by {user}.",
diff --git a/lang/sync_translation.py b/lang/sync_translation.py
index 22fafba..67fb20b 100755
--- a/lang/sync_translation.py
+++ b/lang/sync_translation.py
@@ -39,30 +39,30 @@ def fetch_translation(r_client, r_secret):
         params = {'locale': lang_code,
                   'format': 'jsonnested'}
         r = requests.get(f"{base_url}/projects/{project_id}/exports", params=params, headers=headers)
-        with open(lang_code, "wb") as f:
+        with open(lang_code + ".json", "wb") as f:
             f.write(r.content)
 
 
 def push_strings(w_client, w_secret):
-    print("Pushing local en_US file into the remote host...")
+    print("Pushing local translation files into the remote host...")
     headers = get_access_header(w_client, w_secret)
 
     lang_files = os.listdir('.')
     lang_list = []
     for lang_file in lang_files:
-        match = re.search("[a-z]{2}_[A-Z]{2}", lang_file)
+        match = re.search("([a-z]{2}_[A-Z]{2})\.json", lang_file)
         if match:
-            lang_list.append(lang_file)
+            lang_list.append(match[1])
 
-    for lang_file in lang_list:
-        print(f" - Pushing {lang_file}")
+    for lang in lang_list:
+        print(f" - Pushing {lang}")
 
-        params = {'locale': lang_file,
+        params = {'locale': lang,
                   'format': 'jsonnested'}
-        files = {'file': open(lang_file, 'r')}
+        files = {'file': open(lang + ".json", 'r')}
 
         r = requests.post(f"{base_url}/projects/{project_id}/imports", params=params, headers=headers, files=files)
-        assert r.status_code == 200, f"Unable to push {lang_file} into remote host. {r.status_code}"
+        assert r.status_code == 200, f"Unable to push {lang} into remote host. {r.status_code}"
 
 
 if __name__ == "__main__":
diff --git a/util.py b/util.py
index c4723f1..6589881 100644
--- a/util.py
+++ b/util.py
@@ -419,9 +419,9 @@ def get_supported_language():
     lang_files = os.listdir('lang')
     lang_list = []
     for lang_file in lang_files:
-        match = re.search("[a-z]{2}_[A-Z]{2}", lang_file)
+        match = re.search("([a-z]{2}_[A-Z]{2})\.json", lang_file)
         if match:
-            lang_list.append(lang_file)
+            lang_list.append(match[1])
 
     return lang_list
 

From 97309599f144ce7a5e9a048329b09c2fae2d1c07 Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sun, 12 Jul 2020 14:29:50 +0800
Subject: [PATCH 10/14] feat: Add translation populating procedure for the web
 interface.

---
 .drone.yml                                    |   5 +-
 .gitignore                                    |   2 +-
 README.md                                     |   5 +-
 interface.py                                  |   5 +-
 lang/en_US.json                               |  77 ++++++++
 mumbleBot.py                                  |   1 +
 templates/translate.py                        |  58 ++++++
 variables.py                                  |   2 +
 web/js/main.mjs                               |   2 +-
 .../{index.html => index.template.html}       | 170 +++++++++---------
 ...ed_token.html => need_token.template.html} |  14 +-
 web/webpack.config.cjs                        |   8 +-
 12 files changed, 239 insertions(+), 110 deletions(-)
 create mode 100755 templates/translate.py
 rename web/templates/{index.html => index.template.html} (79%)
 rename web/templates/{need_token.html => need_token.template.html} (71%)

diff --git a/.drone.yml b/.drone.yml
index 5e0fae1..7008260 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -7,17 +7,18 @@ steps:
     image: node
     commands:
       - (cd web && npm install && npm run build)
+      - (cd templates/ && ./translate.py)
 
   - name: deploy-testing
     image: debian
     commands:
+      - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - apt-get -qq update && apt-get -qq install git > /dev/null
       - sed -i 's/target_version = git/target_version = testing/' configuration.default.ini
       - version=$(git rev-parse HEAD)
       - echo "current git commit is $version"
       - echo $version > /mnt/botamusique/testing-version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
-      - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
@@ -51,6 +52,7 @@ steps:
   - name: deploy-stable
     image: debian
     commands:
+      - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - apt-get -qq update && apt-get -qq install jq curl git pandoc > /dev/null
       - sed -i 's/target_version = git/target_version = stable/' configuration.default.ini
       - git fetch --tags
@@ -59,7 +61,6 @@ steps:
       - echo $version > /mnt/botamusique/version
       - sed -i "s/version = 'git'/version = '$version'/" mumbleBot.py
       - curl --silent "https://api.github.com/repos/azlux/botamusique/releases/latest" | jq -r '.body' | pandoc --from gfm --to html - --output - > /mnt/botamusique/changelog
-      - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
       - rm -rf .git*
       - rm -rf web
       - mkdir /tmp/botamusique
diff --git a/.gitignore b/.gitignore
index e649d17..54ac0c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -116,7 +116,7 @@ tmp/
 
 *.db
 
-templates/*
+templates/*.html
 
 # Pycharm
 .idea/
diff --git a/README.md b/README.md
index dfed6a5..a26fd8e 100644
--- a/README.md
+++ b/README.md
@@ -91,9 +91,8 @@ cd botamusique
 python3 -m venv venv
 venv/bin/pip install wheel
 venv/bin/pip install -r requirements.txt
-cd web
-npm install
-npm run build
+(cd web && npm install && npm run build)
+(cd templates/ && ./translate.py)
 ```
 </details>
 
diff --git a/interface.py b/interface.py
index f9135f3..2f1144f 100644
--- a/interface.py
+++ b/interface.py
@@ -169,7 +169,7 @@ def requires_auth(f):
                 bad_access_count[request.remote_addr] = 1
                 log.info(f"web: bad token from ip {request.remote_addr}.")
 
-            return render_template('need_token.html',
+            return render_template(f'need_token.{var.language}.html',
                                    name=var.config.get('bot', 'username'),
                                    command=f"{var.config.get('commands', 'command_symbol')[0]}{var.config.get('commands', 'requests_webinterface_access')}")
 
@@ -225,7 +225,7 @@ def get_all_dirs():
 @web.route("/", methods=['GET'])
 @requires_auth
 def index():
-    return open('templates/index.html', "r").read()
+    return open(f"templates/index.{var.language}.html", "r").read()
 
 
 @web.route("/playlist", methods=['GET'])
@@ -554,7 +554,6 @@ def library_info():
     tags = var.music_db.query_all_tags()
     max_upload_file_size = util.parse_file_size(var.config.get("webinterface", "max_upload_file_size", fallback="30MB"))
 
-    print(get_all_dirs())
     return jsonify(dict(
         dirs=get_all_dirs(),
         upload_enabled=var.config.getboolean("webinterface", "upload_enabled", fallback=True),
diff --git a/lang/en_US.json b/lang/en_US.json
index db7a6af..3f69588 100644
--- a/lang/en_US.json
+++ b/lang/en_US.json
@@ -76,5 +76,82 @@
         "yt_no_more": "No more results!",
         "yt_query_error": "Unable to query youtube!",
         "yt_result": "Youtube query result: {result_table} Use <i>!sl {{indexes}}</i> to play the item you want. <br />\n<i>!ytquery -n</i> for the next page."
+    },
+    "web": {
+        "action": "Action",
+        "add": "Add",
+        "add_all": "Add All",
+        "add_radio": "Add Radio",
+        "add_radio_url": "Add Radio URL",
+        "add_to_bottom": "Add to bottom",
+        "add_to_bottom_of_current_playlist": "Add to bottom of current playlist",
+        "add_to_playlist_next": "Add to playlist right after current song",
+        "add_url": "Add URL",
+        "add_youtube_or_soundcloud_url": "Add Youtube or Soundcloud URL",
+        "are_you_really_sure": "Are you really sure?",
+        "aria_botamusique_logo": "Botamusique Logo: a person with two headphones, enjoying the music",
+        "aria_default_cover": "A black square with two eight notes beamed together.",
+        "aria_empty_box": "A drawing of an empty box.",
+        "aria_remove_this_song": "Remove this song from the current playlist",
+        "aria_skip_current_song": "Skip current song and play this song right now",
+        "aria_skip_to_next_track": "Skip to next track",
+        "aria_spinner": "A loading spinner",
+        "aria_warning_of_deletion": "Warning about deletion of files.",
+        "autoplay": "Autoplay",
+        "browse_music_file": "Browse Music file",
+        "cancel": "Cancel",
+        "cancel_upload_warning": "<strong>Are you really sure?</strong> <br /> Click again to abort uploading.",
+        "change_playback_mode": "Change Playback Mode",
+        "choose_file": "Choose file",
+        "clear_playlist": "Clear Playlist",
+        "close": "Close",
+        "delete_all": "Delete All",
+        "delete_all_files": "Delete All Listed Files",
+        "delete_file_warning": "All files listed here, include files on other pages, will be deleted from your hard-drive.\n                                Is that what you want?",
+        "directory": "Directory",
+        "download_all": "Download All",
+        "download_song_from_library": "Download song from library",
+        "edit_submit": "Edit!",
+        "edit_tags_for": "Edit tags for",
+        "expand_playlist": "See item <span\n                                    class=\"playlist-expand-item-range\"></span> on the playlist.",
+        "file": "File",
+        "filters": "Filters",
+        "index": "#",
+        "keywords": "Keywords",
+        "keywords_placeholder": "Keywords...",
+        "mini_player_title": "Now Playing...",
+        "music_library": "Music Library",
+        "next_to_play": "Next to play",
+        "no_tag": "No tag",
+        "oneshot": "One-shot",
+        "open_volume_controls": "Open Volume Controls",
+        "page_title": "botamusique Web Interface",
+        "pause": "Pause",
+        "play": "Play",
+        "playlist_controls": "Playlist controls",
+        "radio": "Radio",
+        "radio_url_placeholder": "Radio URL...",
+        "random": "Random",
+        "remove_song_from_library": "Remove song from library",
+        "repeat": "Repeat",
+        "rescan_files": "Rescan Files",
+        "skip_track": "Skip Track",
+        "submit": "Submit",
+        "tags": "Tags",
+        "tags_to_add": "Tags to add",
+        "title": "Title",
+        "token": "Token",
+        "token_required": "Token Required",
+        "token_required_message": "You are accessing the web interface of {{ name }}.\nA token is needed to grant you access.<br />\nPlease send \"{{ command }}\" to the bot in mumble to acquire one.",
+        "type": "Type",
+        "upload_file": "Upload File",
+        "upload_submit": "Upload!",
+        "upload_to": "Upload To",
+        "uploaded_finished": "Uploaded finished!",
+        "uploading_files": "Uploading files...",
+        "url": "URL",
+        "url_path": "Url/Path",
+        "url_placeholder": "URL...",
+        "volume_slider": "Volume Slider"
     }
 }
\ No newline at end of file
diff --git a/mumbleBot.py b/mumbleBot.py
index 494f14d..75e8420 100644
--- a/mumbleBot.py
+++ b/mumbleBot.py
@@ -832,6 +832,7 @@ if __name__ == '__main__':
 
     if lang not in supported_languages:
         raise KeyError(f"Unsupported language {lang}")
+    var.language = lang
     constants.load_lang(lang)
 
     # ======================
diff --git a/templates/translate.py b/templates/translate.py
new file mode 100755
index 0000000..86c6f86
--- /dev/null
+++ b/templates/translate.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+
+import os
+import json
+import re
+import jinja2
+
+default_lang_dict = {}
+lang_dict = {}
+
+
+def load_lang(lang):
+    with open(f"../lang/{lang}.json", "r") as f:
+        return json.load(f)
+
+
+def tr(option):
+    try:
+        if option in lang_dict['web'] and lang_dict['web'][option]:
+            string = lang_dict['web'][option]
+        else:
+            string = default_lang_dict['web'][option]
+        return string
+    except KeyError:
+        raise KeyError("Missed strings in language file: '{string}'. ".format(string=option))
+
+
+if __name__ == "__main__":
+    html_files = os.listdir('.')
+    for html_file in html_files:
+        match = re.search("(.+)\.template\.html", html_file)
+        if match is None:
+            continue
+
+        print(f"Populating {html_file} with translations...")
+        basename = match[1]
+        with open(html_file, "r") as f:
+            html = f.read()
+
+        lang_files = os.listdir('../lang')
+        lang_list = []
+
+        default_lang_dict = load_lang("en_US")
+
+        for lang_file in lang_files:
+            match = re.search("([a-z]{2}_[A-Z]{2})\.json", lang_file)
+            if match:
+                lang_list.append(match[1])
+
+        template = jinja2.Template(html)
+
+        for lang in lang_list:
+            print(f" - Populating {lang}...")
+            lang_dict = load_lang(lang)
+
+            with open(f"{basename}.{lang}.html", "w") as f:
+                f.write(template.render(tr=tr))
+    print("Done.")
diff --git a/variables.py b/variables.py
index 271414c..074d852 100644
--- a/variables.py
+++ b/variables.py
@@ -23,3 +23,5 @@ bot_logger = None
 
 music_folder = ""
 tmp_folder = ""
+
+language = ""
diff --git a/web/js/main.mjs b/web/js/main.mjs
index 7299f47..a461923 100644
--- a/web/js/main.mjs
+++ b/web/js/main.mjs
@@ -816,7 +816,7 @@ const modal_tag = $('.modal-tag');
 const modal_tag_text = $('.modal-tag-text');
 
 function addTagModalShow(_id, _title, _tag_tuples) {
-  add_tag_modal_title.html('Edit tags for ' + _title);
+  add_tag_modal_title.html(_title);
   add_tag_modal_item_id.val(_id);
   add_tag_modal_tags.empty();
   _tag_tuples.forEach(function (tag_tuple) {
diff --git a/web/templates/index.html b/web/templates/index.template.html
similarity index 79%
rename from web/templates/index.html
rename to web/templates/index.template.html
index c51485c..5f4e5d8 100644
--- a/web/templates/index.html
+++ b/web/templates/index.template.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta charset="UTF-8">
 
-    <title>botamusique web interface</title>
+    <title>{{ tr('page_title') }}</title>
 
     <link rel="icon" href="static/image/favicon.ico" />
 
@@ -18,46 +18,46 @@
         <div class="row">
             <div class="col-auto">
                 <img src="static/image/logo.png" height="200px"
-                    alt="Botamusique Logo: a person with two headphones, enjoying the music">
+                                                 alt="{{ tr('aria_botamusique_logo') }}">
             </div>
             <div class="col my-auto">
-                <h1>botamusique Web Interface</h1>
+                <h1>{{ tr('page_title') }}</h1>
             </div>
         </div>
     </header>
 
     <main id="playlist" class="container mb-5">
-        <div class="btn-toolbar mb-2" role="toolbar" aria-label="Playlist controls">
-            <button type="button" id="play-pause-btn" class="btn btn-info mb-2 btn-space" aria-label="Play">
+        <div class="btn-toolbar mb-2" role="toolbar" aria-label="{{ tr('playlist_controls') }}">
+            <button type="button" id="play-pause-btn" class="btn btn-info mb-2 btn-space" aria-label="{{ tr('play') }}">
                 <i class="fas fa-play"></i>
             </button>
-            <button type="button" id="fast-forward-btn" class="btn btn-info mb-2" aria-label="Skip Track">
+            <button type="button" id="fast-forward-btn" class="btn btn-info mb-2" aria-label="{{ tr('skip_track') }}">
                 <i class="fas fa-fast-forward"></i>
             </button>
             <div class="ml-auto">
                 <div class="dropdown mr-2">
                     <button class="btn btn-secondary dropdown-toggle" type="button" id="play-mode"
                         data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"
-                        aria-label="Change Playback Mode">
+                        aria-label="{{ tr('change_playback_mode') }}">
                         <i class="fas fa-tasks mr-2" aria-hidden="true" id="modeIndicator"></i>
                     </button>
                     <div class="dropdown-menu" aria-labelledby="play-mode">
                         <a class="dropdown-item" href="#" id="one-shot-mode-btn">
-                            <i class="fas fa-tasks mr-2" aria-hidden="true"></i>One-shot
+                            <i class="fas fa-tasks mr-2" aria-hidden="true"></i> {{ tr('oneshot') }}
                         </a>
                         <a class="dropdown-item" href="#" id="random-mode-btn">
-                            <i class="fas fa-random mr-2" aria-hidden="true"></i>Random
+                            <i class="fas fa-random mr-2" aria-hidden="true"></i> {{ tr('random') }}
                         </a>
                         <a class="dropdown-item" href="#" id="repeat-mode-btn">
-                            <i class="fas fa-redo mr-2" aria-hidden="true"></i>Repeat
+                            <i class="fas fa-redo mr-2" aria-hidden="true"></i> {{ tr('repeat') }}
                         </a>
                         <a class="dropdown-item" href="#" id="autoplay-mode-btn">
-                            <i class="fas fa-robot mr-2" aria-hidden="true"></i>Autoplay
+                            <i class="fas fa-robot mr-2" aria-hidden="true"></i> {{ tr('autoplay') }}
                         </a>
                     </div>
                 </div>
                 <button type="button" id="volume-popover-btn" class="btn btn-warning ml-1"
-                    aria-label="Open Volume Controls">
+                                                              aria-label="{{ tr('open_volume_controls') }}">
                     <i class="fa fa-volume-up" aria-hidden="true"></i>
                 </button>
 
@@ -67,7 +67,7 @@
                     </a>
 
                     <input type="range" class="custom-range ml-1" id="volume-slider" min="0" max="1" step="0.01"
-                        value="0.5" aria-label="Volume Slider" />
+                                                                                                     value="0.5" aria-label="{{ tr('volume_slider') }}" />
 
                     <a id="volume-up-btn">
                         <i class="fa fa-volume-up" aria-hidden="true"></i>
@@ -81,29 +81,28 @@
             <table class="table table-striped table-hover">
                 <thead>
                     <tr>
-                        <th scope="col" class="d-none d-md-table-cell">#</th>
-                        <th scope="col" class="w-50">Title</th>
-                        <th scope="col" class="d-none d-md-table-cell">Url/Path</th>
-                        <th scope="col">Action</th>
+                        <th scope="col" class="d-none d-md-table-cell">{{ tr('index') }}</th>
+                        <th scope="col" class="w-50">{{ tr('title') }}</th>
+                        <th scope="col" class="d-none d-md-table-cell">{{ tr('url_path') }}</th>
+                        <th scope="col">{{ tr('action') }}</th>
                     </tr>
                 </thead>
                 <tbody id="playlist-table" class="playlist-table">
                     <tr id="playlist-loading">
                         <td colspan="4" class="text-center">
                             <img style="margin: auto; width: 35px;" src="static/image/loading.svg"
-                                alt="A loading spinner" />
+                                                                    alt="{{ tr('aria_spinner') }}" />
                         </td>
                     </tr>
                     <tr id="playlist-empty" class="d-none">
                         <td colspan="4" class="text-center">
                             <img style="margin: auto; width: 35px;" src="static/image/empty_box.svg"
-                                alt="A drawing of an empty box." />
+                                                                    alt="{{ tr('aria_empty_box') }}" />
                         </td>
                     </tr>
                     <tr class="playlist-expand table-dark d-none">
                         <td colspan="4" class="text-center">
-                            <a class="text-muted" href="javascript:">See item <span
-                                    class="playlist-expand-item-range"></span> on the playlist.</a>
+                            <a class="text-muted" href="javascript:">{{ tr('expand_playlist') }}</a>
                         </td>
                     </tr>
                     <tr class="playlist-item-template d-none" aria-hidden="true">
@@ -112,7 +111,7 @@
                             <input hidden type="hidden" class="playlist-item-id" value="" />
                             <div class="float-left">
                                 <img width="80" class="playlist-item-thumbnail" src="static/image/unknown-album.png"
-                                    alt="A black square with two eight notes beamed together." />
+                                                                                alt="{{ tr('aria_default_cover') }}" />
                             </div>
                             <div class="playlist-artwork">
                                 <b class="playlist-item-title"></b>
@@ -134,11 +133,11 @@
                         <td>
                             <div class="btn-group">
                                 <button type="button" class="playlist-item-play btn btn-info btn-sm"
-                                    aria-label="Skip current song and play this song right now">
+                                                      aria-label="{{ tr('aria_skip_current_song') }}">
                                     <i class="fas fa-play" aria-hidden="true"></i>
                                 </button>
                                 <button type="button" class="playlist-item-trash btn btn-danger btn-sm ml-1"
-                                    aria-label="Remove this song from the current playlist">
+                                                      aria-label="{{ tr('aria_remove_this_song') }}">
                                     <i class="fas fa-trash-alt" aria-hidden="true"></i>
                                 </button>
                             </div>
@@ -150,52 +149,51 @@
 
         <div class="btn-group">
             <button type="button" id="clear-playlist-btn" class="btn btn-danger mr-1">
-                <i class="fas fa-trash-alt" aria-hidden="true"></i> Clear Playlist
-            </button>
+                <i class="fas fa-trash-alt" aria-hidden="true"></i> {{ tr('clear_playlist') }}</button>
         </div>
     </main>
 
     <div class="container mb-3">
-        <h2 id="forms">Music Library</h2>
+        <h2 id="forms">{{ tr('music_library') }}</h2>
 
         <div class="card mb-3">
             <div class="card-header">
-                <h3 class="card-title">Filters</h3>
+                <h3 class="card-title">{{ tr('filters') }}</h3>
                 <hr>
                 <div class="row">
                     <div class="col">
                         <fieldset id="filter-type" class="mb-2">
-                            <legend>Type</legend>
+                            <legend>{{ tr('type') }}</legend>
                             <div class="btn-group btn-group-sm btn-group-toggle">
                                 <label id="filter-type-file" class="btn btn-secondary">
-                                    <input type="checkbox" name="options"> File
+                                    <input type="checkbox" name="options">{{ tr('file') }}
                                 </label>
                                 <label id="filter-type-url" class="btn btn-secondary">
-                                    <input type="checkbox" name="options"> URL
+                                    <input type="checkbox" name="options">{{ tr('url') }}
                                 </label>
                                 <label id="filter-type-radio" class="btn btn-secondary">
-                                    <input type="checkbox" name="options"> Radio
+                                    <input type="checkbox" name="options">{{ tr('radio') }}
                                 </label>
                             </div>
                         </fieldset>
 
-                        <label for="filter-dir">Directory</label>
+                        <label for="filter-dir">{{ tr('directory') }}</label>
                         <div id="filter-path" class="input-group mb-2">
                             <select class="form-control form-control-sm" id="filter-dir" disabled>
                                 <option value="">.</option>
                             </select>
                         </div>
 
-                        <label for="filter-keywords">Keywords</label>
+                        <label for="filter-keywords">{{ tr('keywords') }}</label>
                         <div id="filter-path" class="input-group mb-2">
                             <input class="form-control form-control-sm" id="filter-keywords" name="keywords"
-                                placeholder="Keywords..." style="margin-top:5px;" />
+                                                                                             placeholder="{{ tr('keywords_placeholder') }}" style="margin-top:5px;" />
                         </div>
                     </div>
 
                     <div class="col">
                         <fieldset id="filter-tags">
-                            <legend>Tags</legend>
+                            <legend>{{ tr('tags') }}</legend>
                             <span class="filter-tag tag-unclicked tag-click badge"></span>
                         </fieldset>
                     </div>
@@ -205,11 +203,11 @@
                 <div id="library-group" class="list-group library-group" style="overflow: auto;">
                     <div id="library-item-loading" class="list-group-item library-item">
                         <img style="margin: auto; width: 35px;" src="static/image/loading.svg"
-                            alt="A loading spinner" />
+                                                                alt="{{ tr('aria_spinner') }}" />
                     </div>
                     <div id="library-item-empty" style="display: none" class="list-group-item library-item">
                         <img style="margin: auto; width: 35px;" src="static/image/empty_box.svg"
-                            alt="A drawing of an empty box." />
+                                                                alt="{{ tr('aria_empty_box') }}" />
                     </div>
                     <div id="library-item" style="display: none;" class="list-group-item library-item">
                         <input hidden type="hidden" class="library-item-id" value="" />
@@ -217,10 +215,10 @@
                         <div class="library-thumb-col">
                             <div class="library-thumb-img">
                                 <img class="library-item-thumb library-thumb-img" src="static/image/unknown-album.png"
-                                    alt="A black square with two eight notes beamed together." />
+                                                                                  alt="{{ tr('aria_default_cover') }}" />
                             </div>
                             <div class="btn-group-vertical library-thumb-grp">
-                                <div class="library-item-play btn btn-secondary library-thumb-btn-up" title="Play">
+                                <div class="library-item-play btn btn-secondary library-thumb-btn-up" title="{{ tr('play') }}">
                                     <i class="fas fa-play" aria-hidden="true"></i>
                                 </div>
                             </div>
@@ -239,14 +237,14 @@
                             <div class="library-item-tags">
                                 <a class="tag-space tag-click library-item-edit"><i class="fas fa-edit"
                                         style="color: #AAAAAA"></i></a>
-                                <span class="library-item-notag badge badge-light text-muted font-italic">No tag</span>
+                                <span class="library-item-notag badge badge-light text-muted font-italic">{{ tr('no_tag') }}</span>
                                 <span class="library-item-tag tag-space badge">Tag</span>
                             </div>
                         </div>
 
                         <div class="btn-group library-action">
                             <button class="library-item-add-next btn btn-info btn-sm btn-space" type="button"
-                                title="Next to play" aria-label="Add to playlist right after current song">
+                                                                                                title="{{ tr('next_to_play') }}" aria-label="{{ tr('add_to_playlist_next') }}">
                                 <svg class="library-btn-svg" style="width: 1rem; fill: currentColor;"
                                     viewBox="5 5 17 17">
                                     <path d="m5.700245,3.92964l0,14.150376l11.451127,-7.075188l-11.451127,-7.075188z">
@@ -257,7 +255,7 @@
                                 </svg>
                             </button>
                             <button class="library-item-add-bottom library-btn btn btn-info btn-sm btn-space"
-                                type="button" title="Add to bottom" aria-label="Add to bottom of current playlist">
+                                    type="button" title="{{ tr('add_to_bottom') }}" aria-label="{{ tr('add_to_bottom_of_current_playlist') }}">
                                 <svg class="library-btn-svg" style="width: 1rem; fill: currentColor;"
                                     viewBox="2 2 20 20">
                                     <path
@@ -266,11 +264,11 @@
                                 </svg>
                             </button>
                             <button class="library-item-download btn btn-primary btn-sm btn-space" type="button"
-                                aria-label="Download song from library">
+                                                                                                   aria-label="{{ tr('download_song_from_library') }}">
                                 <i class="fas fa-download" aria-hidden="true"></i>
                             </button>
                             <button class="library-item-trash btn btn-danger btn-sm btn-space" type="button"
-                                aria-label="Remove song from library">
+                                                                                               aria-label="{{ tr('remove_song_from_library') }}">
                                 <i class="fas fa-trash-alt"></i>
                             </button>
                         </div>
@@ -290,40 +288,36 @@
 
                 <div class="btn-group mb-2" role="group">
                     <button id="add-to-playlist-btn" type="button" class="btn btn-secondary mr-1">
-                        <i class="fas fa-plus" aria-hidden="true"></i> Add All
+                        <i class="fas fa-plus" aria-hidden="true"></i>{{ tr('add_all') }}
                     </button>
                     <button id="library-rescan-btn" type="button" class="btn btn-secondary mr-1">
-                        <i class="fas fa-sync-alt" aria-hidden="true"></i> Rescan Files
+                        <i class="fas fa-sync-alt" aria-hidden="true"></i>{{ tr('rescan_files') }}
                     </button>
                     <button id="library-download-btn" type="button" class="btn btn-secondary mr-1">
-                        <i class="fas fa-download" aria-hidden="true"></i> Download All
+                        <i class="fas fa-download" aria-hidden="true"></i>{{ tr('download_all') }}
                     </button>
                     <button type="button" class="btn btn-danger mr-1" data-toggle="modal"
                         data-target="#deleteWarningModal">
-                        <i class="fas fa-trash-alt" aria-hidden="true"></i> Delete All
+                        <i class="fas fa-trash-alt" aria-hidden="true"></i>{{ tr('delete_all') }}
                     </button>
                 </div>
 
-                <!-- QUESTION: should this div have aria-hidden as true?? -->
                 <div class="modal fade" id="deleteWarningModal" tabindex="-1" role="dialog"
-                    aria-label="Modal Window for warning about deletion of files." aria-hidden="true">
+                                                                              aria-label="{{ tr('aria_warning_of_deletion') }}" aria-hidden="true">
                     <div class="modal-dialog" role="document">
                         <div class="modal-content">
                             <div class="modal-header">
-                                <h3 class="modal-title" id="deleteWarningModalLabel">Are you really sure?</h3>
-                                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                                <h3 class="modal-title" id="deleteWarningModalLabel">{{ tr('are_you_really_sure') }}</h3>
+                                <button type="button" class="close" data-dismiss="modal" aria-label="{{ tr('close') }}">
                                     <span aria-hidden="true">&times;</span>
                                 </button>
                             </div>
                             <div class="modal-body">
-                                All files listed here, include files on other pages, will be deleted from your
-                                hard-drive.
-                                Is that what you want?
-                            </div>
+                                {{ tr('delete_file_warning') }}</div>
                             <div class="modal-footer">
-                                <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
+                                <button type="button" class="btn btn-secondary" data-dismiss="modal">{{ tr('close') }}</button>
                                 <button id="library-delete-btn" type="button" class="btn btn-danger"
-                                    data-dismiss="modal">Delete All Listed Files</button>
+                                                                              data-dismiss="modal">{{ tr('delete_all_files') }}</button>
                             </div>
                         </div>
                     </div>
@@ -336,7 +330,7 @@
         <input type="hidden" id="uploadDisabled" value="false" />
         <div class="card">
             <div class="card-header">
-                <h3 class="card-title">Upload File</h3>
+                <h3 class="card-title">{{ tr('upload_file') }}</h3>
             </div>
             <div class="card-body">
                 <form action="./upload" method="post" enctype="multipart/form-data">
@@ -345,8 +339,8 @@
                             <div class="input-group mb-3">
                                 <div id="uploadField" style="display: flex; width: 100%">
                                     <div class="custom-file">
-                                        <input type="file" name="file[]" class="custom-file-input" id="uploadSelectFile" aria-describedby="uploadSubmit" value="Browse Music file" multiple />
-                                        <label class="custom-file-label" for="uploadSelectFile">Choose file</label>
+                                        <input type="file" name="file[]" class="custom-file-input" id="uploadSelectFile" aria-describedby="uploadSubmit" value="{{ tr('browse_music_file') }}" multiple />
+                                        <label class="custom-file-label" for="uploadSelectFile">{{ tr('choose_file') }}</label>
                                     </div>
                                 </div>
                             </div>
@@ -356,7 +350,7 @@
                                 <div class="col">
                                     <div class="input-group mb-3">
                                         <div class="input-group-prepend">
-                                            <label for="uploadTargetDir" class="input-group-text">Upload To</label>
+                                            <label for="uploadTargetDir" class="input-group-text">{{ tr('upload_to') }}</label>
                                         </div>
                                         <input class="form-control" list="upload-target-dirs" id="uploadTargetDir" name="upload-target-dirs" placeholder="uploads" />
                                         <datalist id="upload-target-dirs">
@@ -364,7 +358,7 @@
                                     </div>
                                 </div>
                                 <div class="col-auto">
-                                    <button class="btn btn-primary" type="button" id="uploadSubmit"><i class="fas fa-upload mr-1"></i>Upload!</button>
+                                    <button class="btn btn-primary" type="button" id="uploadSubmit"><i class="fas fa-upload mr-1"></i>{{ tr('upload_submit') }}</button>
                                 </div>
                             </div>
                         </div>
@@ -378,29 +372,29 @@
         <div class="card-deck">
             <div id="add-music-url" class="card">
                 <div class="card-header">
-                    <h3 class="card-title">Add URL</h3>
+                    <h3 class="card-title">{{ tr('add_url') }}</h3>
                 </div>
                 <div class="card-body">
-                    <label for="music-url-input">Add Youtube or Soundcloud URL</label>
+                    <label for="music-url-input">{{ tr('add_youtube_or_soundcloud_url') }}</label>
                     <div class="input-group mb-2">
-                        <input class="form-control" type="text" id="music-url-input" placeholder="URL...">
+                        <input class="form-control" type="text" id="music-url-input" placeholder="{{ tr('url_placeholder') }}">
                     </div>
                     <button type="submit" class="btn btn-primary">
-                        Add URL
+                        {{ tr('add_url') }}
                     </button>
                 </div>
             </div>
             <div id="add-radio-url" class="card">
                 <div class="card-header">
-                    <h3 class="card-title">Add Radio</h3>
+                    <h3 class="card-title">{{ tr('add_radio') }}</h3>
                 </div>
                 <div class="card-body">
-                    <label for="radio-url-input">Add Radio URL</label>
+                    <label for="radio-url-input">{{ tr('add_radio_url') }}</label>
                     <div class="input-group mb-2">
-                        <input id="radio-url-input" class="form-control" type="text" placeholder="Radio Address...">
+                        <input id="radio-url-input" class="form-control" type="text" placeholder="{{ tr('radio_url_placeholder') }}">
                     </div>
                     <button type="submit" class="btn btn-primary">
-                        Add Radio
+                        {{ tr('add_radio') }}
                     </button>
                 </div>
             </div>
@@ -418,26 +412,26 @@
     <div id="playerToast" class="toast" role="alert" aria-live="assertive" aria-atomic="true" data-autohide="false">
         <div class="toast-header">
             <i class="fas fa-play-circle mr-2 text-primary"></i>
-            <strong class="mr-auto">Now Playing...</strong>
+            <strong class="mr-auto">{{ tr('mini_player_title') }}</strong>
             <button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">
                 <span aria-hidden="true">&times;</span>
             </button>
         </div>
         <div class="toast-body" id="playerContainer">
-            <img id="playerArtworkIdle" src="static/image/empty_box.svg" alt="A drawing of an empty box." />
+            <img id="playerArtworkIdle" src="static/image/empty_box.svg" alt="{{ tr('aria_empty_box') }}" />
             <img id="playerArtwork" src="static/image/unknown-album.png" style="display: none;"
-                alt="A black square with two eight notes beamed together." />
+                                                                         alt="{{ tr('aria_default_cover') }}" />
             <div id="playerInfo">
                 <div id="playerActionBox">
                     <button id="playerPlayBtn" class="btn btn-primary btn-sm btn-space" style="display: none"
-                        aria-label="Play">
+                                                                                        aria-label="{{ tr('play') }}">
                         <i class="fas fa-play"></i>
                     </button>
                     <button id="playerPauseBtn" class="btn btn-primary btn-sm btn-space" style="display: none"
-                        aria-label="Pause">
+                                                                                         aria-label="{{ tr('pause') }}">
                         <i class="fas fa-pause"></i>
                     </button>
-                    <button id="playerSkipBtn" class="btn btn-primary btn-sm" aria-label="Skip to next track">
+                    <button id="playerSkipBtn" class="btn btn-primary btn-sm" aria-label="{{ tr('aria_skip_to_next_track') }}">
                         <i class="fas fa-fast-forward"></i>
                     </button>
                 </div>
@@ -470,7 +464,7 @@
         <div class="modal-dialog" role="document">
             <div class="modal-content">
                 <div class="modal-header">
-                    <h3 class="modal-title" id="addTagModalTitle">Edit tags for ?</h3>
+                    <h3 class="modal-title">{{ tr('edit_tags_for') }} <span id="addTagModalTitle">?</span></h3>
                     <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                         <span aria-hidden="true">&times;</span>
                     </button>
@@ -486,17 +480,17 @@
                     </div>
                     <div class="input-group">
                         <input class="form-control form-control-sm btn-space" type="text" id="addTagModalInput"
-                            placeholder="tag1,tag2,..." aria-label="Tags to add">
+                                                                                          placeholder="tag1,tag2,..." aria-label="{{ tr('tags_to_add') }}">
                         <button id="addTagModalAddBtn" type="button" class="btn btn-primary btn-sm">
                             <i class="fas fa-plus" aria-hidden="true"></i>
-                            Add
+                            {{ tr('add') }}
                         </button>
                     </div>
                 </div>
                 <div class="modal-footer">
-                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
+                    <button type="button" class="btn btn-secondary" data-dismiss="modal">{{ tr('close') }}</button>
                     <button id="addTagModalSubmit" type="button" class="btn btn-success"
-                        data-dismiss="modal">Edit!</button>
+                                                                 data-dismiss="modal">{{ tr('edit_submit') }}</button>
                 </div>
             </div>
         </div>
@@ -507,12 +501,12 @@
         <div class="modal-dialog" role="document">
             <div class="modal-content">
                 <div class="modal-header">
-                    <h3 class="modal-title" id="uploadTitle"><i class="fas fa-upload mr-1"></i>Uploading files...</h3>
+                    <h3 class="modal-title" id="uploadTitle"><i class="fas fa-upload mr-1"></i>{{ tr('uploading_files') }}</h3>
                 </div>
                 <div id="uploadModalBody" class="modal-body">
                     <div id="uploadSuccessAlert" class="alert alert-success" role="alert" style="display: none">
                         <i class="fas fa-check mr-1"></i>
-                        Uploaded finished!
+                        {{ tr('uploaded_finished') }}
                     </div>
                     <div id="uploadModalList" style="margin-left: 5px; margin-bottom: 10px;">
                         <div class="uploadItem" style="display: none; width: 100%; padding-bottom: 8px;">
@@ -529,11 +523,11 @@
                 </div>
                 <div class="modal-footer">
                     <button type="button" id="uploadClose" class="btn btn-success" data-dismiss="modal">
-                        <i class="fas fa-times mr-1"></i> Close</button>
+                        <i class="fas fa-times mr-1"></i> {{ tr('close') }}</button>
                     <button type="button" id="uploadCancel" class="btn btn-danger" data-toggle="tooltip"
                         data-html="true"
-                        title="<strong>Are you really sure?</strong> <br /> Click again to abort uploading.">
-                        <i class="fas fa-trash-alt mr-1" aria-hidden="true"></i> Cancel</button>
+                        title="{{ tr('cancel_upload_warning') }}">
+                        <i class="fas fa-trash-alt mr-1" aria-hidden="true"></i> {{ tr('cancel') }}</button>
                 </div>
             </div>
         </div>
diff --git a/web/templates/need_token.html b/web/templates/need_token.template.html
similarity index 71%
rename from web/templates/need_token.html
rename to web/templates/need_token.template.html
index 078f55f..6d07510 100644
--- a/web/templates/need_token.html
+++ b/web/templates/need_token.template.html
@@ -4,7 +4,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <meta charset="UTF-8">
 
-    <title>botamusique web interface</title>
+    <title>{{ tr('page_title') }}</title>
 
     <link rel="icon" href="static/image/favicon.ico" />
 
@@ -16,19 +16,17 @@
         <div class="col-8" style="margin: auto; padding-top: 50px;">
             <div class="card">
                 <div class="card-header">
-                    Token Required
+                    {{ tr('token_required') }}
                 </div>
                 <div class="card-body">
-                    <h3>Token Required!</h3>
-                    You are accessing the web interface of {{ name }}.
-                    A token is needed to grant you access.<br />
-                    Please send "{{ command }}" to the bot in mumble to acquire one.
+                    <h3>{{ tr('token_required') }}</h3>
+                    {{ tr('token_required_message') }}
                     <form action="." method="get">
                         <div class="form-group mt-3">
-                            <label for="token_input">Token</label>
+                            <label for="token_input">{{ tr('token') }}</label>
                             <div class="input-group">
                                 <input type="password" class="form-control btn-space" id="token_input" name="token" placeholder="xxxxxxx">
-                                <button type="submit" class="btn btn-primary">Submit</button>
+                                <button type="submit" class="btn btn-primary">{{ tr('submit') }}</button>
                             </div>
                         </div>
                     </form>
diff --git a/web/webpack.config.cjs b/web/webpack.config.cjs
index 67cc231..3822d08 100644
--- a/web/webpack.config.cjs
+++ b/web/webpack.config.cjs
@@ -29,13 +29,13 @@ module.exports = {
       filename: 'static/css/[name].css',
     }),
     new HtmlWebpackPlugin({
-      filename: 'templates/index.html',
-      template: './templates/index.html',
+      filename: 'templates/index.template.html',
+      template: './templates/index.template.html',
       inject: false,
     }),
     new HtmlWebpackPlugin({
-      filename: 'templates/need_token.html',
-      template: './templates/need_token.html',
+      filename: 'templates/need_token.template.html',
+      template: './templates/need_token.template.html',
       inject: false,
     }),
   ],

From da8337a4e9f7338d6d29125c784e8af3a6780294 Mon Sep 17 00:00:00 2001
From: Terry Geng <terry@terriex.com>
Date: Sun, 12 Jul 2020 14:35:33 +0800
Subject: [PATCH 11/14] chore(CI): run build procedure for PR.

---
 .drone.yml             | 7 +++++--
 templates/translate.py | 8 ++++----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index 7008260..2922ca3 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,6 +8,9 @@ steps:
     commands:
       - (cd web && npm install && npm run build)
       - (cd templates/ && ./translate.py)
+    when:
+      event:
+        - push
 
   - name: deploy-testing
     image: debian
@@ -94,10 +97,10 @@ steps:
       - (cd lang/ && ./sync_translation.py --client $TRADUORA_R_CLIENT --secret $TRADUORA_R_SECRET --fetch)
       - git add lang/* && git status
       - git config --global user.email "github@azlux.fr" && git config --global user.name "azlux"
-      - git commit -a -m 'Bot: update strings'
+      - "git commit -a -m 'Bot: update strings'"
       - git remote set-url origin https://azlux:$GITHUB_API@github.com/azlux/botamusique/
       - git push --set-upstream origin new-translations && git push
-      - GITHUB_USER="azlux" GITHUB_TOKEN="$GITHUB_API"  hub pull-request -m "Bot: TRADUORA Update"
+      - "GITHUB_USER=\"azlux\" GITHUB_TOKEN=\"$GITHUB_API\"  hub pull-request -m \"Bot: TRADUORA Update\""
     when:
       event:
         - cron
diff --git a/templates/translate.py b/templates/translate.py
index 86c6f86..5e8f8b4 100755
--- a/templates/translate.py
+++ b/templates/translate.py
@@ -10,7 +10,7 @@ lang_dict = {}
 
 
 def load_lang(lang):
-    with open(f"../lang/{lang}.json", "r") as f:
+    with open("../lang/" + lang + ".json", "r") as f:
         return json.load(f)
 
 
@@ -32,7 +32,7 @@ if __name__ == "__main__":
         if match is None:
             continue
 
-        print(f"Populating {html_file} with translations...")
+        print("Populating " + html_file + " with translations...")
         basename = match[1]
         with open(html_file, "r") as f:
             html = f.read()
@@ -50,9 +50,9 @@ if __name__ == "__main__":
         template = jinja2.Template(html)
 
         for lang in lang_list:
-            print(f" - Populating {lang}...")
+            print(" - Populating " + lang + "...")
             lang_dict = load_lang(lang)
 
-            with open(f"{basename}.{lang}.html", "w") as f:
+            with open(basename + "." + lang + ".html", "w") as f:
                 f.write(template.render(tr=tr))
     print("Done.")

From cd5721a82fa042e275ce499bd5b55de7ab4f3eaa Mon Sep 17 00:00:00 2001
From: Azlux <github@azlux.fr>
Date: Sun, 12 Jul 2020 11:32:01 +0200
Subject: [PATCH 12/14] good python3 CI

---
 .drone.yml             | 12 +++++++++---
 templates/translate.py |  8 ++++----
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index 2922ca3..ea1eb48 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,10 +3,16 @@ type: docker
 name: default
 
 steps:
-  - name: build
+  - name: build-web
     image: node
     commands:
       - (cd web && npm install && npm run build)
+
+    
+  - name: translate-web
+    image: python:3
+    commands:
+      - pip3 install jinja2
       - (cd templates/ && ./translate.py)
     when:
       event:
@@ -15,8 +21,8 @@ steps:
   - name: deploy-testing
     image: debian
     commands:
+      - apt-get -qq update && apt-get -qq install git python3-requests > /dev/null
       - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
-      - apt-get -qq update && apt-get -qq install git > /dev/null
       - sed -i 's/target_version = git/target_version = testing/' configuration.default.ini
       - version=$(git rev-parse HEAD)
       - echo "current git commit is $version"
@@ -55,8 +61,8 @@ steps:
   - name: deploy-stable
     image: debian
     commands:
+      - apt-get -qq update && apt-get -qq install jq curl git pandoc python3-requests > /dev/null
       - (cd lang && ./sync_translation.py --client $TRADUORA_W_CLIENT --secret $TRADUORA_W_SECRET --push)
-      - apt-get -qq update && apt-get -qq install jq curl git pandoc > /dev/null
       - sed -i 's/target_version = git/target_version = stable/' configuration.default.ini
       - git fetch --tags
       - version=$(git describe --abbrev=0 --tags)
diff --git a/templates/translate.py b/templates/translate.py
index 5e8f8b4..0d8241c 100755
--- a/templates/translate.py
+++ b/templates/translate.py
@@ -10,7 +10,7 @@ lang_dict = {}
 
 
 def load_lang(lang):
-    with open("../lang/" + lang + ".json", "r") as f:
+    with open(f"../lang/{lang}.json", "r") as f:
         return json.load(f)
 
 
@@ -32,7 +32,7 @@ if __name__ == "__main__":
         if match is None:
             continue
 
-        print("Populating " + html_file + " with translations...")
+        print("f"Populating {html_file} with translations...")
         basename = match[1]
         with open(html_file, "r") as f:
             html = f.read()
@@ -50,9 +50,9 @@ if __name__ == "__main__":
         template = jinja2.Template(html)
 
         for lang in lang_list:
-            print(" - Populating " + lang + "...")
+            print(f" - Populating {lang}...")
             lang_dict = load_lang(lang)
 
-            with open(basename + "." + lang + ".html", "w") as f:
+            with open(f"{basename}.{lang}.html", "w") as f:
                 f.write(template.render(tr=tr))
     print("Done.")

From 9a7321e17c761b74e0aa272fdbae4180f0907652 Mon Sep 17 00:00:00 2001
From: Azlux <github@azlux.fr>
Date: Sun, 12 Jul 2020 11:32:35 +0200
Subject: [PATCH 13/14] fix push

---
 .drone.yml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index ea1eb48..4bf22b1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -8,15 +8,11 @@ steps:
     commands:
       - (cd web && npm install && npm run build)
 
-    
   - name: translate-web
     image: python:3
     commands:
       - pip3 install jinja2
       - (cd templates/ && ./translate.py)
-    when:
-      event:
-        - push
 
   - name: deploy-testing
     image: debian

From ef5e05fde96fab524cbcf9d8229728935921d79d Mon Sep 17 00:00:00 2001
From: Azlux <github@azlux.fr>
Date: Sun, 12 Jul 2020 11:35:22 +0200
Subject: [PATCH 14/14] Bad quote, bad !

---
 templates/translate.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/translate.py b/templates/translate.py
index 0d8241c..86c6f86 100755
--- a/templates/translate.py
+++ b/templates/translate.py
@@ -32,7 +32,7 @@ if __name__ == "__main__":
         if match is None:
             continue
 
-        print("f"Populating {html_file} with translations...")
+        print(f"Populating {html_file} with translations...")
         basename = match[1]
         with open(html_file, "r") as f:
             html = f.read()