fix: missed file.
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233
playlist.py
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233
playlist.py
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import json
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import random
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import util
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import variables as var
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"""
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FORMAT OF A MUSIC INTO THE PLAYLIST
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type : url
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url
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title
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path
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duration
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artist
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thumbnail
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user
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ready (validation, no, downloading, yes, failed)
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from_playlist (yes,no)
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playlist_title
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playlist_url
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type : radio
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url
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name
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current_title
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user
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type : file
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path
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title
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artist
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duration
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thumbnail
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user
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"""
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class PlayList(list):
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current_index = -1
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version = 0 # increase by one after each change
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mode = "one-shot" # "repeat", "random"
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def __init__(self, *args):
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super().__init__(*args)
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def is_empty(self):
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return True if len(self) == 0 else False
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def set_mode(self, mode):
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# modes are "one-shot", "repeat", "random"
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self.mode = mode
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if mode == "random":
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self.randomize()
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elif mode == "one-shot" and self.current_index > 0:
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# remove items before current item
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self.version += 1
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for i in range(self.current_index):
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super().__delitem__(0)
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self.current_index = 0
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def append(self, item):
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self.version += 1
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item = util.get_music_tag_info(item)
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super().append(item)
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return item
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def insert(self, index, item):
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self.version += 1
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if index == -1:
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index = self.current_index
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item = util.get_music_tag_info(item)
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super().insert(index, item)
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if index <= self.current_index:
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self.current_index += 1
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return item
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def length(self):
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return len(self)
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def extend(self, items):
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self.version += 1
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items = list(map(
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lambda item: util.get_music_tag_info(item),
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items))
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super().extend(items)
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return items
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def next(self):
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if len(self) == 0:
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return False
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self.version += 1
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#logging.debug("playlist: Next into the queue")
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if self.current_index < len(self) - 1:
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if self.mode == "one-shot" and self.current_index != -1:
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super().__delitem__(self.current_index)
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else:
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self.current_index += 1
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return self[self.current_index]
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else:
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self.current_index = 0
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if self.mode == "one-shot":
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self.clear()
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return False
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elif self.mode == "repeat":
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return self[0]
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elif self.mode == "random":
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self.randomize()
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return self[0]
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else:
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raise TypeError("Unknown playlist mode '%s'." % self.mode)
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def update(self, item, index=-1):
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self.version += 1
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if index == -1:
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index = self.current_index
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self[index] = item
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def __delitem__(self, key):
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return self.remove(key)
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def remove(self, index=-1):
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self.version += 1
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if index > len(self) - 1:
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return False
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if index == -1:
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index = self.current_index
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removed = self[index]
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super().__delitem__(index)
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if self.current_index > index:
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self.current_index -= 1
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return removed
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def current_item(self):
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if len(self) == 0:
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return False
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return self[self.current_index]
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def current_item_downloading(self):
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if len(self) == 0:
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return False
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if self[self.current_index]['type'] == 'url' and self[self.current_index]['ready'] == 'downloading':
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return True
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return False
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def next_index(self):
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if len(self) == 0 or (len(self) == 1 and self.mode == 'one_shot'):
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return False
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if self.current_index < len(self) - 1:
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return self.current_index + 1
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else:
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return 0
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def next_item(self):
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if len(self) == 0 or (len(self) == 1 and self.mode == 'one_shot'):
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return False
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return self[self.next_index()]
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def jump(self, index):
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if self.mode == "one-shot":
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for i in range(index):
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super().__delitem__(0)
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self.current_index = 0
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else:
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self.current_index = index
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self.version += 1
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return self[self.current_index]
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def randomize(self):
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# current_index will lose track after shuffling, thus we take current music out before shuffling
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#current = self.current_item()
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#del self[self.current_index]
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random.shuffle(self)
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#self.insert(0, current)
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self.current_index = -1
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self.version += 1
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def clear(self):
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self.version += 1
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self.current_index = -1
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super().clear()
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def save(self):
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var.db.remove_section("playlist_item")
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var.db.set("playlist", "current_index", self.current_index)
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for index, music in enumerate(self):
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for music in self:
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if music['type'] == 'url' and music['ready'] == 'downloading':
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music['ready'] = 'no'
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var.db.set("playlist_item", str(index), json.dumps(music))
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def load(self):
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current_index = var.db.getint("playlist", "current_index", fallback=-1)
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if current_index == -1:
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return
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items = list(var.db.items("playlist_item"))
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items.sort(key=lambda v: int(v[0]))
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self.extend(list(map(lambda v: json.loads(v[1]), items)))
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self.current_index = current_index
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def _debug_print(self):
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print("===== Playlist(%d) ====" % self.current_index)
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for index, item in enumerate(self):
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if index == self.current_index:
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print("-> %d %s" % (index, item['title']))
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else:
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print("%d %s" % (index, item['title']))
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print("===== End ====")
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