219 lines
7.3 KiB
Python
219 lines
7.3 KiB
Python
"""MIT License
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Copyright (c) 2023 Vocard Development
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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"""
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from .exceptions import QueueFull, OutofList, DuplicateTrack
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from .objects import Track
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from discord import Member
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class Queue:
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def __init__(self, size: int, duplicate_track: bool, get_msg):
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self._queue = []
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self._position = 0
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self._size = size
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self._repeat = 0
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self._repeat_position = 0
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self._duplicate_track = duplicate_track
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self._repeat_mode = {
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0: "off",
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1: "track",
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2: "queue",
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}
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self.get_msg = get_msg
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def get(self):
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track = None
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try:
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track = self._queue[self._position -
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1 if self._repeat == 1 else self._position]
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if self._repeat != 1:
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self._position += 1
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except:
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if self._repeat == 2:
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try:
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track = self._queue[self._repeat_position]
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self._position = self._repeat_position + 1
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except IndexError:
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self._repeat = 0
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return track
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def put(self, item: Track) -> int:
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if self.count >= self._size:
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raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size))
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if not self._duplicate_track:
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if item.uri in [track.uri for track in self._queue]:
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raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack"))
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self._queue.append(item)
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return self.count
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def put_at_front(self, item: Track):
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if self.count >= self._size:
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raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size))
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if not self._duplicate_track:
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if item.uri in [track.uri for track in self._queue]:
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raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack"))
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self._queue.insert(self._position, item)
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return 1
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def put_at_index(self, index: int, item: Track):
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if self.count >= self._size:
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raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size))
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if not self._duplicate_track:
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if item.uri in [track.uri for track in self._queue]:
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raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack"))
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return self._queue.insert(self._position - 1 + index, item)
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def skipto(self, index: int):
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if not 0 < index <= self.count:
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raise OutofList(self.get_msg("voicelinkOutofList"))
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else:
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self._position += index - 1
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def backto(self, index: int):
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if not self._position - index >= 0:
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raise OutofList(self.get_msg("voicelinkOutofList"))
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else:
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self._position -= index
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def history_clear(self, is_playing: bool):
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self._queue[:self._position - 1 if is_playing else self._position] = []
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self._position = 1 if is_playing else 0
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def clear(self):
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del self._queue[self._position:]
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def replace(self, queue_type: str, replacement: list):
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if queue_type == "queue":
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self.clear()
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self._queue += replacement
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elif queue_type == "history":
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self._queue[:self._position] = replacement
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def swap(self, num1: int, num2: int):
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try:
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pos = self._position - 1
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self._queue[pos + num1], self._queue[pos + num2] = self._queue[pos + num2], self._queue[pos + num1]
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return self._queue[pos + num1], self._queue[pos + num2]
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except IndexError:
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raise OutofList(self.get_msg("voicelinkOutofList"))
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def move(self, target: int, to: int):
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if not 0 < target <= self.count or not 0 < to:
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raise OutofList(self.get_msg("voicelinkOutofList"))
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try:
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moveItem = self._queue[self._position + target - 1]
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self._queue.remove(moveItem)
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self.put_at_index(to, moveItem)
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return moveItem
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except:
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raise OutofList(self.get_msg("voicelinkOutofList"))
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def remove(self, index: int, index2: int = None, member: Member = None):
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pos = self._position - 1
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if index2 is None:
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index2 = index
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if index2 < index:
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temp = index
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index = index2
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index2 = temp
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try:
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count = []
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for i, track in enumerate(self._queue[pos + index: pos + index2 + 1], start=0):
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if member:
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if track.requester != member:
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continue
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self._queue.remove(track)
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count.append({"position": pos + index + i, "track": track})
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return count
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except:
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raise OutofList(self.get_msg("voicelinkOutofList"))
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def history(self, incTrack: bool = False) -> list:
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if incTrack:
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return self._queue[:self._position]
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return self._queue[:self._position - 1]
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def tracks(self, incTrack: bool = False):
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if incTrack:
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return self._queue[self._position - 1:]
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return self._queue[self._position:]
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@property
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def count(self):
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return len(self._queue[self._position:])
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@property
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def repeat(self):
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return self._repeat_mode.get(self._repeat, "Off").capitalize()
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@property
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def is_empty(self):
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try:
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self._queue[self._position]
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except:
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return True
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return False
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class FairQueue(Queue):
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def __init__(self, size: int, duplicate_track: bool, get_msg):
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super().__init__(size, duplicate_track, get_msg)
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self._set = set()
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async def put(self, item: Track) -> int:
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if len(self._queue) >= self._size:
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raise QueueFull(self.get_msg("voicelinkQueueFull").format(self._size))
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if not self._duplicate_track:
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if item.uri in [track.uri for track in self._queue]:
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raise DuplicateTrack(self.get_msg("voicelinkDuplicateTrack"))
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tracks = self.tracks(incTrack=True)
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lastIndex = len(tracks)
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for track in reversed(tracks):
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if track.requester == item.requester:
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break
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lastIndex -= 1
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self._set.clear()
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for track in tracks[lastIndex:]:
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if track.requester in self._set:
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break
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lastIndex += 1
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self._set.add(track.requester)
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await self.put_at_index(lastIndex, item)
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return lastIndex
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