youtube-dl/devscripts/cli_to_api.py

84 lines
2.2 KiB
Python
Executable File

#!/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([])
def neq_opt(a, b):
if a == b:
return False
if a is None and repr(type(object)).endswith(".utils.DateRange'>"):
return '0001-01-01 - 9999-12-31' != '{0}'.format(b)
return a != b
diff = dict((k, v) for k, v in parsed_options(opts).items() if neq_opt(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 PrettyPrinter
pprint = PrettyPrinter()
super_format = pprint.format
def format(object, context, maxlevels, level):
if repr(type(object)).endswith(".utils.DateRange'>"):
return '{0}: {1}>'.format(repr(object)[:-2], object), True, False
return super_format(object, context, maxlevels, level)
pprint.format = format
pprint.pprint(cli_to_api(*sys.argv))
if __name__ == '__main__':
main()