Speed updatabase generation. Generate and use a certificate by default.

bragi.py

@@ -101,7 +101,8 @@ class MumbleBot:
         if args.certificate:
             certificate = args.certificate
         else:
-            certificate = util.solve_filepath(var.config.get("server", "certificate"))
+            # Get configured cert or auto-generate one if needed
+            certificate = util.get_or_create_certificate(var.config.get("server", "certificate"))
 
         if args.tokens:
             tokens = args.tokens

configuration.default.ini

@@ -54,6 +54,11 @@ music_database_path = music.db
 music_folder = music_folder/
 pip3_path = venv/bin/pip
 playback_mode = one-shot
+# Number of parallel workers for database rebuild (scanning music files)
+# 0 = auto (recommended: uses all CPU cores minus 1 to leave one free for audio/system)
+# 1 = sequential (no parallelization, slowest but lowest resource usage)
+# N = use exactly N worker processes (2 or higher for parallel processing)
+rebuild_workers = 0
 redirect_stderr = True
 refresh_cache_on_startup = True
 save_music_library = True

configuration.example.ini

@@ -16,6 +16,10 @@ port = 64738
 #password =
 #channel =
 #tokens = token1,token2
+# 'certificate': Path to client certificate for Mumble authentication.
+#    If not specified, a self-signed certificate (bragi.pem) will be
+#    automatically generated in the bot's directory. This provides the bot
+#    with a persistent identity on the Mumble server.
 #certificate =
 
 # The [bot] section stores some basic settings for the bot.
@@ -27,10 +31,6 @@ port = 64738
 #comment = "Hi, I'm here to play radio, local music or youtube/soundcloud music. Have fun!"
 #avatar =
 
-# 'language': Language to use; available languages can be found inside
-#    the lang/ folder.
-#language=en_US
-
 # 'music_folder': Folder that stores your local songs.
 #music_folder = music_folder/
 
@@ -74,8 +74,11 @@ port = 64738
 #autoplay_length = 5
 #clear_when_stop_in_oneshot = False
 
-# Auto-update system has been removed from Bragi
+# 'rebuild_workers': Number of parallel workers for database rebuild (scanning music files).
-#target_version = stable
+#     0 = auto (recommended: uses all CPU cores minus 1 to leave one free for audio/system)
+#     1 = sequential (no parallelization, slowest but lowest resource usage)
+#     N = use exactly N worker processes (2 or higher for parallel processing)
+#rebuild_workers = 0
 
 # 'tmp_folder': Folder that music will be downloaded into.
 # 'tmp_folder_max_size': Maximum size of tmp_folder in MB, or 0 to not cache
@@ -89,10 +92,6 @@ port = 64738
 # 'download_attempts': How many times to attempt a download.
 #download_attempts = 2
 
-# Auto-update system has been removed from Bragi
-#auto_check_update = False
-#pip3_path = venv/bin/pip
-
 # 'logfile': File to write log messages to.
 # 'redirect_stderr': Whether to capture outputs from standard error and write
 #    it into the log file. Useful for capturing an exception message when the
@@ -105,7 +104,7 @@ port = 64738
 #allow_private_message = True
 
 # 'delete_allowed': Whether to allow admins to delete a file from the library
-#    stored on disk. Works for both command and web interfaces.
+#    stored on disk.
 #delete_allowed = True
 
 # 'save_music_library': Whether to save music metadata to the database.
@@ -153,8 +152,6 @@ port = 64738
 #    query youtube", you should provide a value here.
 #youtube_query_cookie = {"CONSENT": "paste your CONSENT cookie value here"}
 
-# Web interface has been removed from Bragi
-
 # The [debug] section contains settings to enable debugging messages.
 [debug]
 # 'ffmpeg': Whether to display debug messages from ffmpeg.

media/cache.py

@@ -1,10 +1,12 @@
-# 
+#
 # Bragi - A Mumble music bot
 # Forked from botamusique by azlux (https://github.com/azlux/botamusque)
 #
 
 import logging
 import os
+import multiprocessing
+from concurrent.futures import ProcessPoolExecutor, as_completed
 
 import json
 import threading
@@ -23,6 +25,29 @@ class ItemNotCachedError(Exception):
     pass
 
 
+def _process_file_for_cache(file_path):
+    """Worker function to process a single file for the cache.
+    This must be a module-level function for multiprocessing to work.
+
+    Args:
+        file_path: Relative path to the audio file
+
+    Returns:
+        dict: Music item dictionary ready for database insertion, or None on error
+    """
+    try:
+        # Import inside function to avoid pickling issues
+        import variables as var
+        from media.item import item_builders
+
+        item = item_builders['file'](path=file_path)
+        return item.to_dict()
+    except Exception as e:
+        # Log errors but don't fail the whole process
+        logging.getLogger("bot").warning(f"library: failed to process file {file_path}: {e}")
+        return None
+
+
 class MusicCache(dict):
     def __init__(self, db: MusicDatabase):
         super().__init__()
@@ -115,27 +140,90 @@ class MusicCache(dict):
 
     def build_dir_cache(self):
         self.dir_lock.acquire()
-        self.log.info("library: rebuild directory cache")
+        try:
-        files = util.get_recursive_file_list_sorted(var.music_folder)
+            self.log.info("library: rebuild directory cache")
+            files_list = util.get_recursive_file_list_sorted(var.music_folder)
+            files_on_disk = set(files_list)  # Convert to set for O(1) lookup
 
-        # remove deleted files
+            self.log.info(f"library: found {len(files_on_disk)} audio files on disk")
-        results = self.db.query_music(Condition().or_equal('type', 'file'))
+
-        for result in results:
+            # Get all existing file paths from database as a set
-            if result['path'] not in files:
+            db_paths = set(self.db.query_all_paths())
-                self.log.debug("library: music file missed: %s, delete from library." % result['path'])
+            self.log.info(f"library: found {len(db_paths)} files in database")
-                self.db.delete_music(Condition().and_equal('id', result['id']))
+
+            # Find files to delete (in DB but not on disk)
+            files_to_delete = db_paths - files_on_disk
+            if files_to_delete:
+                self.log.info(f"library: removing {len(files_to_delete)} deleted files from database")
+                for path in files_to_delete:
+                    self.log.debug(f"library: music file missed: {path}, delete from library.")
+                    self.db.delete_music(Condition().and_equal('path', path))
+
+            # Find new files to add (on disk but not in DB)
+            new_files = files_on_disk - db_paths
+            if not new_files:
+                self.log.info("library: no new files to add")
+                self.db.manage_special_tags()
+                return
+
+            self.log.info(f"library: processing {len(new_files)} new files with parallel workers")
+
+            # Determine number of worker processes from config
+            # 0 = auto (cpu_count - 1), N = use N workers
+            configured_workers = var.config.getint('bot', 'rebuild_workers', fallback=0)
+            if configured_workers == 0:
+                # Auto mode: use all cores minus one (leave one free for audio/system)
+                num_workers = max(1, multiprocessing.cpu_count() - 1)
+                self.log.info(f"library: auto-detected {multiprocessing.cpu_count()} cores, using {num_workers} workers")
             else:
-                files.remove(result['path'])
+                # User specified: validate minimum of 1
+                num_workers = max(1, configured_workers)
+                if num_workers == 1:
+                    self.log.info("library: using 1 worker (sequential processing)")
+                else:
+                    self.log.info(f"library: using {num_workers} workers (configured)")
 
-        for file in files:
-            results = self.db.query_music(Condition().and_equal('path', file))
-            if not results:
-                item = item_builders['file'](path=file)
-                self.log.debug("library: music save into database: %s" % item.format_debug_string())
-                self.db.insert_music(item.to_dict())
 
-        self.db.manage_special_tags()
+            # Process files in parallel
-        self.dir_lock.release()
+            processed_items = []
+            with ProcessPoolExecutor(max_workers=num_workers) as executor:
+                # Submit all files for processing
+                future_to_file = {executor.submit(_process_file_for_cache, file_path): file_path
+                                for file_path in new_files}
+
+                # Collect results as they complete
+                completed = 0
+                for future in as_completed(future_to_file):
+                    file_path = future_to_file[future]
+                    try:
+                        result = future.result()
+                        if result:
+                            processed_items.append(result)
+                        completed += 1
+                        if completed % 100 == 0:
+                            self.log.info(f"library: processed {completed}/{len(new_files)} files")
+                    except Exception as e:
+                        self.log.warning(f"library: failed to process {file_path}: {e}")
+
+            self.log.info(f"library: successfully processed {len(processed_items)} files")
+
+            # Batch insert all new items into database
+            if processed_items:
+                self.log.info(f"library: inserting {len(processed_items)} items into database")
+                import sqlite3
+                conn = sqlite3.connect(self.db.db_path)
+                try:
+                    for item in processed_items:
+                        self.db.insert_music(item, _conn=conn)
+                    conn.commit()
+                    self.log.info("library: database batch insert completed")
+                finally:
+                    conn.close()
+
+            self.db.manage_special_tags()
+            self.log.info("library: directory cache rebuild complete")
+        finally:
+            self.dir_lock.release()
 
 
 class CachedItemWrapper:

media/file.py

@@ -1,15 +1,12 @@
-# 
+#
 # Bragi - A Mumble music bot
 # Forked from botamusique by azlux (https://github.com/azlux/botamusque)
 #
 
 import os
 import re
-from io import BytesIO
-import base64
 import hashlib
 import mutagen
-from PIL import Image
 
 import util
 import variables as var
@@ -23,7 +20,6 @@ type : file
     title
     artist
     duration
-    thumbnail
     user
 '''
 
@@ -52,7 +48,6 @@ class FileItem(BaseItem):
             self.path = path
             self.title = ""
             self.artist = ""
-            self.thumbnail = None
             self.id = hashlib.md5(path.encode()).hexdigest()
             if os.path.exists(self.uri()):
                 self._get_info_from_tag()
@@ -62,7 +57,6 @@ class FileItem(BaseItem):
         else:
             super().__init__(from_dict)
             self.artist = from_dict['artist']
-            self.thumbnail = from_dict['thumbnail']
             try:
                 self.validate()
             except ValidationFailedError:
@@ -95,112 +89,58 @@ class FileItem(BaseItem):
         assert path is not None and file_name is not None
 
         try:
-            im = None
-            path_thumbnail = os.path.join(path, file_name + ".jpg")
-
-            if os.path.isfile(path_thumbnail):
-                im = Image.open(path_thumbnail)
-            else:
-                path_thumbnail = os.path.join(path, "cover.jpg")
-                if os.path.isfile(path_thumbnail):
-                    im = Image.open(path_thumbnail)
-
             if ext == ".mp3":
                 # title: TIT2
                 # artist: TPE1, TPE2
                 # album: TALB
-                # cover artwork: APIC:
                 tags = mutagen.File(self.uri())
                 if 'TIT2' in tags:
                     self.title = tags['TIT2'].text[0]
                 if 'TPE1' in tags:  # artist
                     self.artist = tags['TPE1'].text[0]
 
-                if im is None:
-                    if "APIC:" in tags:
-                        im = Image.open(BytesIO(tags["APIC:"].data))
-
             elif ext == ".m4a" or ext == ".m4b" or ext == ".mp4" or ext == ".m4p":
                 # title: ©nam (\xa9nam)
                 # artist: ©ART
                 # album: ©alb
-                # cover artwork: covr
                 tags = mutagen.File(self.uri())
                 if '©nam' in tags:
                     self.title = tags['©nam'][0]
                 if '©ART' in tags:  # artist
                     self.artist = tags['©ART'][0]
 
-                if im is None:
-                    if "covr" in tags:
-                        im = Image.open(BytesIO(tags["covr"][0]))
-
             elif ext == ".opus":
                 # title: 'title'
                 # artist: 'artist'
                 # album: 'album'
-                # cover artwork: 'metadata_block_picture', and then:
-                ##                          |
-                ##                          |
-                ##                          v
-                ##            Decode string as base64 binary
-                ##                          |
-                ##                          v
-                ##      Open that binary as a mutagen.flac.Picture
-                ##                          |
-                ##                          v
-                ##              Extract binary image data
                 tags = mutagen.File(self.uri())
                 if 'title' in tags:
                     self.title = tags['title'][0]
                 if 'artist' in tags:
                     self.artist = tags['artist'][0]
 
-                if im is None:
-                    if 'metadata_block_picture' in tags:
-                        pic_as_base64 = tags['metadata_block_picture'][0]
-                        as_flac_picture = mutagen.flac.Picture(base64.b64decode(pic_as_base64))
-                        im = Image.open(BytesIO(as_flac_picture.data))
-
             elif ext == ".flac":
                 # title: 'title'
                 # artist: 'artist'
                 # album: 'album'
-                # cover artwork: tags.pictures
                 tags = mutagen.File(self.uri())
                 if 'title' in tags:
                     self.title = tags['title'][0]
                 if 'artist' in tags:
                     self.artist = tags['artist'][0]
 
-                if im is None:
-                    for flac_picture in tags.pictures:
-                        if flac_picture.type == 3:
-                            im = Image.open(BytesIO(flac_picture.data))
-
-            if im:
-                self.thumbnail = self._prepare_thumbnail(im)
         except:
             pass
 
         if not self.title:
             self.title = file_name
 
-    @staticmethod
-    def _prepare_thumbnail(im):
-        im.thumbnail((100, 100), Image.LANCZOS)
-        buffer = BytesIO()
-        im = im.convert('RGB')
-        im.save(buffer, format="JPEG")
-        return base64.b64encode(buffer.getvalue()).decode('utf-8')
-
     def to_dict(self):
         dict = super().to_dict()
         dict['type'] = 'file'
         dict['path'] = self.path
         dict['title'] = self.title
         dict['artist'] = self.artist
-        dict['thumbnail'] = self.thumbnail
         return dict
 
     def format_debug_string(self):
@@ -217,13 +157,7 @@ class FileItem(BaseItem):
                   )
 
     def format_current_playing(self, user):
-        display = tr("now_playing", item=self.format_song_string(user))
+        return tr("now_playing", item=self.format_song_string(user))
-        if self.thumbnail:
-            thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
-                             self.thumbnail + '"/>'
-            display += "<br />" + thumbnail_html
-
-        return display
 
     def format_title(self):
         title = self.title if self.title else self.path

media/url.py

@@ -1,4 +1,4 @@
-# 
+#
 # Bragi - A Mumble music bot
 # Forked from botamusique by azlux (https://github.com/azlux/botamusque)
 #
@@ -8,11 +8,8 @@ import logging
 import os
 import hashlib
 import traceback
-from PIL import Image
 import yt_dlp as youtube_dl
 import glob
-from io import BytesIO
-import base64
 
 import util
 from constants import tr_cli as tr
@@ -52,7 +49,6 @@ class URLItem(BaseItem):
             self.duration = 0
             self.id = hashlib.md5(url.encode()).hexdigest()
             self.path = var.tmp_folder + self.id
-            self.thumbnail = ""
             self.keywords = ""
         else:
             super().__init__(from_dict)
@@ -60,7 +56,6 @@ class URLItem(BaseItem):
             self.duration = from_dict['duration']
             self.path = from_dict['path']
             self.title = from_dict['title']
-            self.thumbnail = from_dict['thumbnail']
 
         self.downloading = False
         self.type = "url"
@@ -194,7 +189,6 @@ class URLItem(BaseItem):
             'format': 'bestaudio/best',
             'outtmpl': base_path,
             'noplaylist': True,
-            'writethumbnail': True,
             'updatetime': False,
             'verbose': var.config.getboolean('debug', 'youtube_dl'),
             'postprocessors': [{
@@ -232,7 +226,6 @@ class URLItem(BaseItem):
                 self.log.info(
                     "bot: finished downloading url (%s) %s, saved to %s." % (self.title, self.url, self.path))
                 self.downloading = False
-                self._read_thumbnail_from_file(base_path + ".jpg")
                 self.version += 1  # notify wrapper to save me
                 return True
             else:
@@ -242,18 +235,6 @@ class URLItem(BaseItem):
                 self.downloading = False
                 raise PreparationFailedError(tr('unable_download', item=self.format_title()))
 
-    def _read_thumbnail_from_file(self, path_thumbnail):
-        if os.path.isfile(path_thumbnail):
-            im = Image.open(path_thumbnail)
-            self.thumbnail = self._prepare_thumbnail(im)
-
-    def _prepare_thumbnail(self, im):
-        im.thumbnail((100, 100), Image.LANCZOS)
-        buffer = BytesIO()
-        im = im.convert('RGB')
-        im.save(buffer, format="JPEG")
-        return base64.b64encode(buffer.getvalue()).decode('utf-8')
-
     def to_dict(self):
         dict = super().to_dict()
         dict['type'] = 'url'
@@ -261,7 +242,6 @@ class URLItem(BaseItem):
         dict['duration'] = self.duration
         dict['path'] = self.path
         dict['title'] = self.title
-        dict['thumbnail'] = self.thumbnail
 
         return dict
 
@@ -280,14 +260,7 @@ class URLItem(BaseItem):
         return self.url
 
     def format_current_playing(self, user):
-        display = tr("now_playing", item=self.format_song_string(user))
+        return tr("now_playing", item=self.format_song_string(user))
-
-        if self.thumbnail:
-            thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
-                             self.thumbnail + '"/>'
-            display += "<br />" + thumbnail_html
-
-        return display
 
     def format_title(self):
         return self.title if self.title else self.url

media/url_from_playlist.py

@@ -125,14 +125,7 @@ class PlaylistURLItem(URLItem):
                   user=user)
 
     def format_current_playing(self, user):
-        display = tr("now_playing", item=self.format_song_string(user))
+        return tr("now_playing", item=self.format_song_string(user))
-
-        if self.thumbnail:
-            thumbnail_html = '<img width="80" src="data:image/jpge;base64,' + \
-                             self.thumbnail + '"/>'
-            display += "<br />" + thumbnail_html
-
-        return display
 
     def display_type(self):
         return tr("url_from_playlist")

requirements.txt

@@ -1,6 +1,5 @@
 yt-dlp
 python-magic
-Pillow
 mutagen
 requests
 packaging
@@ -8,4 +7,5 @@ pyradios
 opuslib==3.0.1
 numpy
 protobuf
-pycryptodome
+pycryptodome
+cryptography

util.py

@@ -27,6 +27,108 @@ YT_PKG_NAME = 'yt-dlp'
 
 log = logging.getLogger("bot")
 
+# Default certificate filename for auto-generation
+DEFAULT_CERT_NAME = "bragi.pem"
+
+
+def generate_certificate(cert_path):
+    """Generate a self-signed certificate for Mumble authentication.
+
+    Args:
+        cert_path: Path where the certificate file will be saved
+
+    Returns:
+        True if certificate was generated successfully, False otherwise
+    """
+    try:
+        from cryptography import x509
+        from cryptography.x509.oid import NameOID
+        from cryptography.hazmat.primitives import hashes, serialization
+        from cryptography.hazmat.primitives.asymmetric import rsa
+        import datetime
+
+        log.info(f"certificate: generating new self-signed certificate at {cert_path}")
+
+        # Generate RSA private key (2048 bits is standard for this use)
+        privateKey = rsa.generate_private_key(
+            public_exponent=65537,
+            key_size=2048,
+        )
+
+        # Create certificate subject/issuer
+        subject = issuer = x509.Name([
+            x509.NameAttribute(NameOID.COMMON_NAME, "Bragi Music Bot"),
+            x509.NameAttribute(NameOID.ORGANIZATION_NAME, "Bragi"),
+        ])
+
+        # Build and sign certificate (valid for 10 years)
+        cert = (
+            x509.CertificateBuilder()
+            .subject_name(subject)
+            .issuer_name(issuer)
+            .public_key(privateKey.public_key())
+            .serial_number(x509.random_serial_number())
+            .not_valid_before(datetime.datetime.now(datetime.timezone.utc))
+            .not_valid_after(datetime.datetime.now(datetime.timezone.utc) + datetime.timedelta(days=3650))
+            .sign(privateKey, hashes.SHA256())
+        )
+
+        # Write both private key and certificate to same PEM file
+        # (this is the format Mumble expects)
+        with open(cert_path, "wb") as f:
+            f.write(privateKey.private_bytes(
+                encoding=serialization.Encoding.PEM,
+                format=serialization.PrivateFormat.TraditionalOpenSSL,
+                encryption_algorithm=serialization.NoEncryption(),
+            ))
+            f.write(cert.public_bytes(serialization.Encoding.PEM))
+
+        log.info("certificate: successfully generated new certificate")
+        return True
+
+    except ImportError:
+        log.warning("certificate: cryptography library not installed, cannot generate certificate")
+        return False
+    except Exception as e:
+        log.error(f"certificate: failed to generate certificate: {e}")
+        return False
+
+
+def get_or_create_certificate(config_cert_path):
+    """Get existing certificate or create a new one if needed.
+
+    Args:
+        config_cert_path: Certificate path from config (may be empty)
+
+    Returns:
+        Path to certificate file, or empty string if none available
+    """
+    # If user specified a certificate in config, use that
+    if config_cert_path:
+        resolved = solve_filepath(config_cert_path)
+        if resolved and os.path.exists(resolved):
+            log.debug(f"certificate: using configured certificate: {resolved}")
+            return resolved
+        elif config_cert_path:
+            log.warning(f"certificate: configured certificate not found: {config_cert_path}")
+            # Fall through to auto-generation
+
+    # Check for existing auto-generated certificate
+    scriptDir = os.path.dirname(os.path.realpath(__file__))
+    defaultCertPath = os.path.join(scriptDir, DEFAULT_CERT_NAME)
+
+    if os.path.exists(defaultCertPath):
+        log.debug(f"certificate: using existing auto-generated certificate: {defaultCertPath}")
+        return defaultCertPath
+
+    # Generate new certificate
+    if generate_certificate(defaultCertPath):
+        return defaultCertPath
+
+    # No certificate available
+    log.warning("certificate: no certificate available, connecting without one")
+    return ""
+
 
 def solve_filepath(path):
     if not path:
@@ -42,6 +144,12 @@ def solve_filepath(path):
 
 
 def get_recursive_file_list_sorted(path):
+    # Audio file extensions to include (fast check before expensive magic call)
+    AUDIO_EXTENSIONS = {
+        '.mp3', '.flac', '.ogg', '.opus', '.m4a', '.m4b', '.mp4', '.m4p',
+        '.wav', '.aac', '.wma', '.aiff', '.aif', '.ape', '.mka', '.webm'
+    }
+
     filelist = []
     for root, dirs, files in os.walk(path, topdown=True, onerror=None, followlinks=True):
         relroot = root.replace(path, '', 1)
@@ -55,9 +163,16 @@ def get_recursive_file_list_sorted(path):
             if not os.access(fullpath, os.R_OK):
                 continue
 
+            # Fast path: check extension first (covers 99% of cases)
+            ext = os.path.splitext(file)[1].lower()
+            if ext in AUDIO_EXTENSIONS:
+                filelist.append(os.path.join(relroot, file))
+                continue
+
+            # Slow path: use magic for files without recognized extensions
             try:
                 mime = magic.from_file(fullpath, mime=True)
-                if 'audio' in mime or 'audio' in magic.from_file(fullpath).lower() or 'video' in mime:
+                if 'audio' in mime or 'video' in mime:
                     filelist.append(os.path.join(relroot, file))
             except:
                 pass