now stuff are written to a temporary folder. also did some refactoring.
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parent
abc7d96b04
commit
6fae9697fd
141
coub-dl.py
141
coub-dl.py
@ -6,8 +6,8 @@ from enum import Enum
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from datetime import timedelta
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from math import floor
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from argparse import ArgumentParser
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from functools import wraps, partial
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from atexit import register
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from functools import wraps
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from tempfile import TemporaryDirectory
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@ -70,11 +70,12 @@ def download_video_stream(url, file_dict):
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stdout=DEVNULL, stderr=DEVNULL)
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def read_extensions(file_dict):
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for file in listdir():
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def read_extensions(file_dict, directory):
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for file in listdir(directory):
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for filename in file_dict:
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if match('^{}.*'.format(file_dict[filename]), file):
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file_dict[filename] = file
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fullname = '{}/{}'.format(directory, file)
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if match('^{}.*'.format(file_dict[filename]), fullname):
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file_dict[filename] = fullname
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@call_verbose(before_message='Looping shorter stream... ')
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@ -84,7 +85,7 @@ def loop_shorter_stream(file_dict, shorter, shorter_file, loop_fraction):
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stdout=DEVNULL, stderr=DEVNULL)
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# concat them
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call(('ffmpeg', '-f', 'concat', '-i', file_dict[File.LIST],
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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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@ -98,15 +99,6 @@ def mux_streams(file_dict):
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stdout=DEVNULL, stderr=DEVNULL)
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def cleanup(file_dict, outputs):
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for key in file_dict:
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if key not in outputs:
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try:
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remove(file_dict[key])
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except FileNotFoundError:
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pass
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def get_length(file):
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data = get_duration(get_command_stderr(('ffprobe', file))).split(':')
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return timedelta(hours=float(data[0]), minutes=float(data[1]), seconds=float(data[2]))
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@ -135,71 +127,76 @@ def yes_no_question(question, default):
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print("Please respond with 'yes'(y) or 'no'(n)!")
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def run(url, files_dict, directory):
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# download streams and update FILE dict with extensions
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download_audio_stream(url, files_dict)
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download_video_stream(url, files_dict)
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read_extensions(files_dict, directory)
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# parse arguments
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parser = ArgumentParser(description='Download player-looped videos with youtube-dl & ffmpeg.')
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parser.add_argument('-nv', '--nonverbose', action='store_true', help='Turn off non-critical messages to user.')
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parser.add_argument('-o', '--output', default=None, help='Specify name of the output file (use -e for extension).')
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parser.add_argument('-e', '--extension', default='mp4', help='Set the container to use for the output.')
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parser.add_argument('url', type=str, help='The URL of the site containing the video to download.')
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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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args = parser.parse_args()
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args.extension = '.' + args.extension
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VERBOSE = False if args.nonverbose else True
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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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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_shorter_stream(files_dict, shorter, shorterFile, timesLoop_fraction)
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mux_streams(files_dict)
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FILES = {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.OUTPUT: 'output'+args.extension}
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OUTPUT_KEYS = [File.OUTPUT]
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URL = args.url
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if __name__ == '__main__':
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# parse arguments
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parser = ArgumentParser(description='Download player-looped videos with youtube-dl & ffmpeg.')
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parser.add_argument('-nv', '--nonverbose', action='store_true', help='Turn off non-critical messages to user.')
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parser.add_argument('-o', '--output', default=None, help='Specify name of the output file (use -e for extension).')
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parser.add_argument('-e', '--extension', default='mp4', help='Set the container to use for the output.')
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parser.add_argument('url', type=str, help='The URL of the site containing the video to download.')
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# clean up on exit
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register(partial(cleanup, FILES, OUTPUT_KEYS))
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args = parser.parse_args()
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args.extension = '.' + args.extension
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VERBOSE = False if args.nonverbose else True
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FILES = {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.OUTPUT: 'output'+args.extension}
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OUTPUT_KEYS = [File.OUTPUT]
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URL = args.url
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# fetch video title if no filename was specified
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if args.output is None:
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FILES[File.OUTPUT] = check_output(('youtube-dl', '--get-title', args.url)).decode('utf-8').strip()
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else:
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FILES[File.OUTPUT] = args.output
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FILES[File.OUTPUT] += args.extension
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# ask what to do if output exists
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if exists(FILES[File.OUTPUT]):
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answer = yes_no_question('A file named "{}" already exists! Overwrite?'.format(FILES[File.OUTPUT]), default='no')
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if not answer:
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print_opt('Exiting!')
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exit()
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# fetch video title if no filename was specified
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if args.output is None:
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FILES[File.OUTPUT] = check_output(('youtube-dl', '--get-title', args.url)).decode('utf-8').strip()
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else:
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remove(FILES[File.OUTPUT])
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FILES[File.OUTPUT] = args.output
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FILES[File.OUTPUT] += args.extension
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# download streams and update FILE dict with extensions
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download_audio_stream(URL, FILES)
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download_video_stream(URL, FILES)
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read_extensions(FILES)
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# ask what to do if output exists
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if exists(FILES[File.OUTPUT]):
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answer = yes_no_question('A file named "{}" already exists! Overwrite?'.format(FILES[File.OUTPUT]),
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default='no')
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if not answer:
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print_opt('Exiting!')
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exit()
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else:
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remove(FILES[File.OUTPUT])
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# get stream lengths via ffprobe
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audioLen = get_length(FILES[Stream.AUDIO])
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videoLen = get_length(FILES[Stream.VIDEO])
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with TemporaryDirectory() as dir:
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for key in FILES:
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if key not in OUTPUT_KEYS:
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FILES[key] = '{}/{}'.format(dir, FILES[key])
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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[Stream.AUDIO] if audioLen < videoLen else FILES[Stream.VIDEO]
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FILES[File.LOOP] += splitext(shorterFile)[1]
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FILES[File.FRACTION] += splitext(shorterFile)[1]
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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[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[File.FRACTION]), file=f)
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loop_shorter_stream(FILES, shorter, shorterFile, timesLoop_fraction)
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mux_streams(FILES)
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run(URL, FILES, dir)
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