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yes yes yes

This commit is contained in:
Steffo 2019-11-21 19:58:48 +01:00
parent a86f2edd0e
commit c925bf9360
27 changed files with 48 additions and 4 deletions

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@ -34,6 +34,7 @@ class PlayEvent(Event):
break break
if guild is None: if guild is None:
raise InvalidInputError("No guild_id or guild_name specified.") raise InvalidInputError("No guild_id or guild_name specified.")
log.debug(f"Selected guild: {guild}")
# Find the bard # Find the bard
bard: Optional[DiscordBard] = self.serf.bards.get(guild) bard: Optional[DiscordBard] = self.serf.bards.get(guild)
if bard is None: if bard is None:

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@ -1,4 +1,5 @@
import os import os
import logging
from contextlib import asynccontextmanager from contextlib import asynccontextmanager
from typing import Optional, List, Dict, Any from typing import Optional, List, Dict, Any
from royalnet.utils import asyncify, MultiLock from royalnet.utils import asyncify, MultiLock
@ -12,6 +13,9 @@ except ImportError:
youtube_dl = None youtube_dl = None
log = logging.getLogger(__name__)
class YtdlFile: class YtdlFile:
"""A representation of a file download with :mod:`youtube_dl`.""" """A representation of a file download with :mod:`youtube_dl`."""
@ -71,11 +75,13 @@ class YtdlFile:
"""Download function block to be asyncified.""" """Download function block to be asyncified."""
with YoutubeDL(self.ytdl_args) as ytdl: with YoutubeDL(self.ytdl_args) as ytdl:
filename = ytdl.prepare_filename(self.info.__dict__) filename = ytdl.prepare_filename(self.info.__dict__)
with YoutubeDL({**self.ytdl_args, "outtmpl": filename}) as ytdl:
ytdl.download([self.info.webpage_url]) ytdl.download([self.info.webpage_url])
self.filename = filename self.filename = filename
await self.retrieve_info() await self.retrieve_info()
async with self.lock.exclusive(): async with self.lock.exclusive():
log.debug(f"Downloading with youtube-dl: {self}")
await asyncify(download, loop=self._loop) await asyncify(download, loop=self._loop)
@asynccontextmanager @asynccontextmanager
@ -91,14 +97,19 @@ class YtdlFile:
""" """
await self.download_file() await self.download_file()
async with self.lock.normal(): async with self.lock.normal():
log.debug(f"File opened: {self.filename}")
with open(self.filename, "rb") as file: with open(self.filename, "rb") as file:
yield file yield file
log.debug(f"File closed: {self.filename}")
async def delete_asap(self): async def delete_asap(self):
"""As soon as nothing is using the file, delete it.""" """As soon as nothing is using the file, delete it."""
async with self.lock.exclusive(): log.debug(f"Trying to delete: {self.filename}")
os.remove(self.filename) if self.filename is not None:
self.filename = None async with self.lock.exclusive():
os.remove(self.filename)
log.debug(f"Deleted: {self.filename}")
self.filename = None
@classmethod @classmethod
async def from_url(cls, url: str, **ytdl_args) -> List["YtdlFile"]: async def from_url(cls, url: str, **ytdl_args) -> List["YtdlFile"]:

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@ -2,6 +2,7 @@ from asyncio import AbstractEventLoop, get_event_loop
from typing import Optional, Dict, List, Any from typing import Optional, Dict, List, Any
from datetime import datetime, timedelta from datetime import datetime, timedelta
import dateparser import dateparser
import logging
from royalnet.utils import ytdldateformat, asyncify from royalnet.utils import ytdldateformat, asyncify
try: try:
@ -10,6 +11,9 @@ except ImportError:
YoutubeDL = None YoutubeDL = None
log = logging.getLogger(__name__)
class YtdlInfo: class YtdlInfo:
"""A wrapper around youtube_dl extracted info.""" """A wrapper around youtube_dl extracted info."""
@ -95,6 +99,7 @@ class YtdlInfo:
if loop is None: if loop is None:
loop: AbstractEventLoop = get_event_loop() loop: AbstractEventLoop = get_event_loop()
# So many redundant options! # So many redundant options!
log.debug(f"Fetching info: {url}")
with YoutubeDL({**cls._default_ytdl_args, **ytdl_args}) as ytdl: with YoutubeDL({**cls._default_ytdl_args, **ytdl_args}) as ytdl:
first_info = await asyncify(ytdl.extract_info, loop=loop, url=url, download=False) first_info = await asyncify(ytdl.extract_info, loop=loop, url=url, download=False)
# No video was found # No video was found
@ -102,12 +107,14 @@ class YtdlInfo:
return [] return []
# If it is a playlist, create multiple videos! # If it is a playlist, create multiple videos!
if "entries" in first_info and first_info["entries"][0] is not None: if "entries" in first_info and first_info["entries"][0] is not None:
log.debug(f"Found a playlist: {url}")
second_info_list = [] second_info_list = []
for second_info in first_info["entries"]: for second_info in first_info["entries"]:
if second_info is None: if second_info is None:
continue continue
second_info_list.append(YtdlInfo(second_info)) second_info_list.append(YtdlInfo(second_info))
return second_info_list return second_info_list
log.debug(f"Found a single video: {url}")
return [YtdlInfo(first_info)] return [YtdlInfo(first_info)]
def __repr__(self): def __repr__(self):

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@ -50,7 +50,7 @@ class DiscordBard:
"""Get the next :class:`FileAudioSource` that should be played, and change :attr:`.now_playing`. """Get the next :class:`FileAudioSource` that should be played, and change :attr:`.now_playing`.
Args and kwargs can be passed to the generator to select differently.""" Args and kwargs can be passed to the generator to select differently."""
fas: Optional[FileAudioSource] = await self.generator.asend((args, kwargs)) fas: Optional[FileAudioSource] = await self.generator.asend((args, kwargs,))
self.now_playing = fas self.now_playing = fas
return fas return fas

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@ -1,6 +1,7 @@
import typing import typing
import re import re
import os import os
import logging
from contextlib import asynccontextmanager from contextlib import asynccontextmanager
from royalnet.utils import asyncify, MultiLock from royalnet.utils import asyncify, MultiLock
from royalnet.bard import YtdlInfo, YtdlFile from royalnet.bard import YtdlInfo, YtdlFile
@ -16,6 +17,9 @@ except ImportError:
ffmpeg = None ffmpeg = None
log = logging.getLogger(__name__)
class YtdlDiscord: class YtdlDiscord:
"""A representation of a YtdlFile conversion to the :mod:`discord` PCM format.""" """A representation of a YtdlFile conversion to the :mod:`discord` PCM format."""
def __init__(self, ytdl_file: YtdlFile): def __init__(self, ytdl_file: YtdlFile):
@ -37,6 +41,7 @@ class YtdlDiscord:
async with self.ytdl_file.lock.normal(): async with self.ytdl_file.lock.normal():
destination_filename = re.sub(r"\.[^.]+$", ".pcm", self.ytdl_file.filename) destination_filename = re.sub(r"\.[^.]+$", ".pcm", self.ytdl_file.filename)
async with self.lock.exclusive(): async with self.lock.exclusive():
log.debug(f"Converting to PCM: {self.ytdl_file.filename}")
await asyncify( await asyncify(
ffmpeg.input(self.ytdl_file.filename) ffmpeg.input(self.ytdl_file.filename)
.output(destination_filename, format="s16le", ac=2, ar="48000") .output(destination_filename, format="s16le", ac=2, ar="48000")
@ -47,9 +52,11 @@ class YtdlDiscord:
async def delete_asap(self) -> None: async def delete_asap(self) -> None:
"""Delete the mp3 file.""" """Delete the mp3 file."""
log.debug(f"Trying to delete: {self}")
if self.is_converted: if self.is_converted:
async with self.lock.exclusive(): async with self.lock.exclusive():
os.remove(self.pcm_filename) os.remove(self.pcm_filename)
log.debug(f"Deleted: {self.pcm_filename}")
self.pcm_filename = None self.pcm_filename = None
@classmethod @classmethod
@ -69,6 +76,7 @@ class YtdlDiscord:
@asynccontextmanager @asynccontextmanager
async def spawn_audiosource(self): async def spawn_audiosource(self):
log.debug(f"Spawning audio_source for: {self}")
if FileAudioSource is None: if FileAudioSource is None:
raise ImportError("'discord' extra is not installed") raise ImportError("'discord' extra is not installed")
await self.convert_to_pcm() await self.convert_to_pcm()

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@ -1,5 +1,9 @@
from asyncio import Event from asyncio import Event
from contextlib import asynccontextmanager from contextlib import asynccontextmanager
import logging
log = logging.getLogger(__name__)
class MultiLock: class MultiLock:
@ -8,6 +12,7 @@ class MultiLock:
self._counter: int = 0 self._counter: int = 0
self._normal_event: Event = Event() self._normal_event: Event = Event()
self._exclusive_event: Event = Event() self._exclusive_event: Event = Event()
self._normal_event.set()
self._exclusive_event.set() self._exclusive_event.set()
def _check_event(self): def _check_event(self):
@ -19,23 +24,35 @@ class MultiLock:
@asynccontextmanager @asynccontextmanager
async def normal(self): async def normal(self):
"""Acquire the lock for simultaneous access.""" """Acquire the lock for simultaneous access."""
log.debug(f"Waiting for exclusive lock end: {self}")
await self._exclusive_event.wait() await self._exclusive_event.wait()
log.debug(f"Acquiring normal lock: {self}")
self._counter += 1 self._counter += 1
self._check_event() self._check_event()
try: try:
yield yield
finally: finally:
log.debug(f"Releasing normal lock: {self}")
self._counter -= 1 self._counter -= 1
self._check_event() self._check_event()
@asynccontextmanager @asynccontextmanager
async def exclusive(self): async def exclusive(self):
"""Acquire the lock for exclusive access.""" """Acquire the lock for exclusive access."""
log.debug(f"Waiting for exclusive lock end: {self}")
# TODO: check if this actually works # TODO: check if this actually works
await self._exclusive_event.wait() await self._exclusive_event.wait()
self._exclusive_event.clear() self._exclusive_event.clear()
log.debug(f"Waiting for normal lock end: {self}")
await self._normal_event.wait() await self._normal_event.wait()
try: try:
log.debug("Acquiring exclusive lock: {self}")
self._exclusive_event.clear()
yield yield
finally: finally:
log.debug("Releasing exclusive lock: {self}")
self._exclusive_event.set() self._exclusive_event.set()
def __repr__(self):
return f"<MultiLock {self._counter} " \
f"{'N' if self._normal_event.is_set() else '_'}{'E' if self._exclusive_event.is_set() else '_'}>"