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#!/usr/bin/env python
# coding: utf-8
from __future__ import unicode_literals
"""
This script displays the API parameters corresponding to a yt-dl command line
Example:
$ ./cli_to_api.py -f best
{u'format': 'best'}
$
"""
# Allow direct execution
import os
import sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import youtube_dl
from types import MethodType
def cli_to_api(*opts):
YDL = youtube_dl.YoutubeDL
# to extract the parsed options, break out of YoutubeDL instantiation
# return options via this Exception
class ParseYTDLResult(Exception):
def __init__(self, result):
super(ParseYTDLResult, self).__init__('result')
self.opts = result
# replacement constructor that raises ParseYTDLResult
def ytdl_init(ydl, ydl_opts):
super(YDL, ydl).__init__(ydl_opts)
raise ParseYTDLResult(ydl_opts)
# patch in the constructor
YDL.__init__ = MethodType(ytdl_init, YDL)
# core parser
def parsed_options(argv):
try:
youtube_dl._real_main(list(argv))
except ParseYTDLResult as result:
return result.opts
# from https://github.com/yt-dlp/yt-dlp/issues/5859#issuecomment-1363938900
default = parsed_options([])
diff = dict((k, v) for k, v in parsed_options(opts).items() if default[k] != v)
if 'postprocessors' in diff:
diff['postprocessors'] = [pp for pp in diff['postprocessors'] if pp not in default['postprocessors']]
return diff
def main():
from pprint import pprint
pprint(cli_to_api(*sys.argv))
if __name__ == '__main__':
main()
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