started working on OO refactor
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5f411e09e2
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720b9af4d8
198
coub-dl.py
198
coub-dl.py
@ -52,77 +52,114 @@ def get_output(*args, **kwargs):
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return check_output(*args, **kwargs).decode().rstrip('\n')
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return check_output(*args, **kwargs).decode().rstrip('\n')
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def run(url, files_dict, directory):
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class coub_dl:
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# download streams and update FILE dict with extensions
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def __init__(self, url, files_dict, directory):
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download_audio_stream(url, files_dict)
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self._url = url
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download_video_stream(url, files_dict)
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self._files_dict = files_dict
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read_extensions(files_dict, directory)
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self._directory = directory
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# get stream lengths via ffprobe
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audioLen = get_length(files_dict[Stream.AUDIO])
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videoLen = get_length(files_dict[Stream.VIDEO])
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# decide which stream needs some looping
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longer = audioLen if audioLen > videoLen else videoLen
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shorter = audioLen if audioLen < videoLen else videoLen
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shorterFile = files_dict[Stream.AUDIO] if audioLen < videoLen else files_dict[Stream.VIDEO]
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files_dict[File.LOOP] += splitext(shorterFile)[1]
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files_dict[File.FRACTION] += splitext(shorterFile)[1]
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# calculate how many times to loop
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times = longer.total_seconds() / shorter.total_seconds()
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timesLoop_base = floor(times)
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timesLoop_fraction = times % 1
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# write concat helper file for ffmpeg
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with open(files_dict[File.LIST], 'w') as f:
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for i in range(timesLoop_base):
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print("file '{}'".format(shorterFile), file=f)
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print("file '{}'".format(files_dict[File.FRACTION]), file=f)
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# loop & mux streams
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loop_shorter_stream(files_dict, shorter, shorterFile, timesLoop_fraction)
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mux_streams(files_dict)
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@call_verbose(before_message='Downloading audio stream... ')
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def __call__(self):
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def download_audio_stream(url, file_dict):
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# download streams and update FILE dict with extensions
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call(('youtube-dl', '--ignore-config',
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self.download_audio_stream()
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'--extract-audio',
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self.download_video_stream()
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'--output', '{}.%(ext)s'.format(file_dict[Stream.AUDIO]),
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self.read_extensions()
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url),
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stdout=DEVNULL, stderr=DEVNULL)
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# get stream lengths via ffprobe
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audioLen = get_length(self._files_dict[Stream.AUDIO])
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videoLen = get_length(self._files_dict[Stream.VIDEO])
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# decide which stream needs some looping
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longer = audioLen if audioLen > videoLen else videoLen
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shorter = audioLen if audioLen < videoLen else videoLen
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shorterFile = self._files_dict[Stream.AUDIO] if audioLen < videoLen else self._files_dict[Stream.VIDEO]
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self._files_dict[File.LOOP] += splitext(shorterFile)[1]
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self._files_dict[File.FRACTION] += splitext(shorterFile)[1]
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# calculate how many times to loop
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times = longer.total_seconds() / shorter.total_seconds()
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timesLoop_base = floor(times)
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timesLoop_fraction = times % 1
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# write concat helper file for ffmpeg
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with open(self._files_dict[File.LIST], 'w') as f:
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for i in range(timesLoop_base):
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print("file '{}'".format(shorterFile), file=f)
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print("file '{}'".format(self._files_dict[File.FRACTION]), file=f)
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# loop & mux streams
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self.loop_shorter_stream(shorter, shorterFile, timesLoop_fraction)
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self.mux_streams()
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@call_verbose(before_message='Downloading video stream... ')
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@call_verbose(before_message='Downloading audio stream... ')
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def download_video_stream(url, file_dict):
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def download_audio_stream(self):
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url = get_output(('youtube-dl',
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call(('youtube-dl', '--ignore-config',
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'--get-url', url))
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'--extract-audio',
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'--output', '{}.%(ext)s'.format(self._files_dict[Stream.AUDIO]),
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curl = Popen(('curl', '--silent',
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self._url),
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'--write-out',
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stdout=DEVNULL, stderr=DEVNULL)
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'--location',
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url),
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stdout=PIPE)
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grep = Popen(('grep', '--only-matching', '"http.*"'),
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stdin=curl.stdout, stdout=PIPE)
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url = get_output(('sed', 's/muted_//g'),
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stdin=grep.stdout).strip('"')
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call(('youtube-dl', '--ignore-config',
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'--output', '{}.%(ext)s'.format(file_dict[Stream.VIDEO]),
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url),
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stdout=DEVNULL, stderr=DEVNULL)
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def read_extensions(file_dict, directory):
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@call_verbose(before_message='Downloading video stream... ')
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for file in listdir(directory):
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def download_video_stream(self):
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for filename in file_dict:
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url = get_output(('youtube-dl',
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fullname = join(directory, file)
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'--get-url', self._url))
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if match('^{}.*'.format(file_dict[filename]), fullname):
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file_dict[filename] = fullname
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curl = Popen(('curl', '--silent',
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'--write-out',
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'--location',
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url),
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stdout=PIPE)
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grep = Popen(('grep', '--only-matching', '"http.*"'),
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stdin=curl.stdout, stdout=PIPE)
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url = get_output(('sed', 's/muted_//g'),
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stdin=grep.stdout).strip('"')
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call(('youtube-dl', '--ignore-config',
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'--output', '{}.%(ext)s'.format(self._files_dict[Stream.VIDEO]),
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url),
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stdout=DEVNULL, stderr=DEVNULL)
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def read_extensions(self):
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for file in listdir(self._directory):
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for filename in self._files_dict:
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fullname = join(self._directory, file)
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if match('^{}.*'.format(self._files_dict[filename]), fullname):
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self._files_dict[filename] = fullname
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@call_verbose(before_message='Looping shorter stream... ')
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def loop_shorter_stream(self, shorter, shorter_file, loop_fraction):
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# prepare last fractional loop
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call(('ffmpeg', '-i', shorter_file, '-t', str(loop_fraction * shorter.total_seconds()),
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self._files_dict[File.FRACTION]),
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stdout=DEVNULL, stderr=DEVNULL)
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# concat them
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call(('ffmpeg', '-f', 'concat', '-safe', '0', '-i', self._files_dict[File.LIST],
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'-c', 'copy', self._files_dict[File.LOOP]),
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stdout=DEVNULL, stderr=DEVNULL)
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@call_verbose(before_message='Muxing streams... ')
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def mux_streams(self):
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call(('ffmpeg', '-i', self._files_dict[File.LOOP],
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'-i', self._files_dict[Stream.AUDIO],
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'-map', '0:v:0', '-map', '1:a:0',
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'-c', 'copy', self._files_dict[File.OUTPUT]),
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stdout=DEVNULL, stderr=DEVNULL)
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def determine_output_filename(url, user_supplied, extension, files_dict):
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if user_supplied is None:
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files_dict[File.OUTPUT] = get_output(('youtube-dl', '--get-title', url))
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else:
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files_dict[File.OUTPUT] = user_supplied
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files_dict[File.OUTPUT] += extension
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def get_length(file):
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def get_length(file):
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@ -145,27 +182,6 @@ def get_duration(ffprobe_output):
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return duration
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return duration
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@call_verbose(before_message='Looping shorter stream... ')
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def loop_shorter_stream(file_dict, shorter, shorter_file, loop_fraction):
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# prepare last fractional loop
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call(('ffmpeg', '-i', shorter_file, '-t', str(loop_fraction * shorter.total_seconds()), file_dict[File.FRACTION]),
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stdout=DEVNULL, stderr=DEVNULL)
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# concat them
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call(('ffmpeg', '-f', 'concat', '-safe', '0', '-i', file_dict[File.LIST],
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'-c', 'copy', file_dict[File.LOOP]),
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stdout=DEVNULL, stderr=DEVNULL)
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@call_verbose(before_message='Muxing streams... ')
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def mux_streams(file_dict):
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call(('ffmpeg', '-i', file_dict[File.LOOP],
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'-i', file_dict[Stream.AUDIO],
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'-map', '0:v:0', '-map', '1:a:0',
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'-c', 'copy', file_dict[File.OUTPUT]),
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stdout=DEVNULL, stderr=DEVNULL)
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@call_verbose(before_message='Checking your system for dependencies... ', after_message='Found all!')
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@call_verbose(before_message='Checking your system for dependencies... ', after_message='Found all!')
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def check_for_dependencies():
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def check_for_dependencies():
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check_for = (('youtube-dl', '--version'), ('ffmpeg', '-version'), ('curl', '--version'))
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check_for = (('youtube-dl', '--version'), ('ffmpeg', '-version'), ('curl', '--version'))
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@ -179,14 +195,6 @@ def check_for_dependencies():
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if missing: exit(error_str.format(', '.join(missing)))
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if missing: exit(error_str.format(', '.join(missing)))
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def determine_output_filename(url, user_supplied, extension, files_dict):
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if user_supplied is None:
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files_dict[File.OUTPUT] = get_output(('youtube-dl', '--get-title', url))
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else:
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files_dict[File.OUTPUT] = user_supplied
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files_dict[File.OUTPUT] += extension
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def build_default_files_dict():
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def build_default_files_dict():
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return {Stream.AUDIO: 'audio', Stream.VIDEO: 'video',
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return {Stream.AUDIO: 'audio', Stream.VIDEO: 'video',
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File.LIST: 'list.txt', File.LOOP: 'loop', File.FRACTION: 'fraction',
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File.LIST: 'list.txt', File.LOOP: 'loop', File.FRACTION: 'fraction',
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@ -275,4 +283,4 @@ if __name__ == '__main__':
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for key in {key: FILES[key] for key in FILES if key not in OUTPUT_KEYS}:
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for key in {key: FILES[key] for key in FILES if key not in OUTPUT_KEYS}:
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FILES[key] = join(dir, FILES[key])
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FILES[key] = join(dir, FILES[key])
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run(URL, FILES, dir)
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coub_dl(URL, FILES, dir)()
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