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191 lines
7.0 KiB
191 lines
7.0 KiB
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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"""Youtubedlg module responsible for parsing the options. """
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from __future__ import unicode_literals
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import os.path
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from .utils import remove_shortcuts
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class OptionHolder(object):
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"""Simple data structure that holds informations for the given option.
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Args:
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name (string): Option name. Must be a valid option name
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from the optionsmanager.OptionsManager class.
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See optionsmanager.OptionsManager load_default() method.
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flag (string): The option command line switch.
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See https://github.com/rg3/youtube-dl/#options
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default_value (any): The option default value. Must be the same type
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with the corresponding option from the optionsmanager.OptionsManager
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class.
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requirements (list): The requirements for the given option. This
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argument is a list of strings with the name of all the options
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that this specific option needs. For example 'subs_lang' needs the
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'write_subs' option to be enabled.
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"""
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def __init__(self, name, flag, default_value, requirements=None):
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self.name = name
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self.flag = flag
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self.requirements = requirements
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self.default_value = default_value
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def is_boolean(self):
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"""Returns True if the option is a boolean switch else False. """
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return type(self.default_value) is bool
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def check_requirements(self, options_dict):
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"""Check if the required options are enabled.
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Args:
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options_dict (dictionary): Dictionary with all the options.
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Returns:
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True if any of the required options is enabled else False.
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"""
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if self.requirements is None:
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return True
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return any([options_dict[req] for req in self.requirements])
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class OptionsParser(object):
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"""Parse optionsmanager.OptionsManager options.
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This class is responsible for turning some of the youtube-dlg options
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to youtube-dl command line options.
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"""
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def __init__(self):
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self._ydl_options = [
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OptionHolder('playlist_start', '--playlist-start', 1),
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OptionHolder('playlist_end', '--playlist-end', 0),
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OptionHolder('max_downloads', '--max-downloads', 0),
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OptionHolder('username', '-u', ''),
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OptionHolder('password', '-p', ''),
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OptionHolder('video_password', '--video-password', ''),
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OptionHolder('retries', '-R', 10),
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OptionHolder('proxy', '--proxy', ''),
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OptionHolder('user_agent', '--user-agent', ''),
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OptionHolder('referer', '--referer', ''),
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OptionHolder('ignore_errors', '-i', False),
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OptionHolder('write_description', '--write-description', False),
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OptionHolder('write_info', '--write-info-json', False),
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OptionHolder('write_thumbnail', '--write-thumbnail', False),
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OptionHolder('min_filesize', '--min-filesize', 0),
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OptionHolder('max_filesize', '--max-filesize', 0),
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OptionHolder('write_all_subs', '--all-subs', False),
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OptionHolder('write_auto_subs', '--write-auto-sub', False),
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OptionHolder('write_subs', '--write-sub', False),
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OptionHolder('keep_video', '-k', False),
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OptionHolder('restrict_filenames', '--restrict-filenames', False),
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OptionHolder('save_path', '-o', ''),
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OptionHolder('embed_subs', '--embed-subs', False, ['write_auto_subs', 'write_subs']),
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OptionHolder('to_audio', '-x', False),
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OptionHolder('audio_format', '--audio-format', '', ['to_audio']),
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OptionHolder('video_format', '-f', '0'),
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OptionHolder('subs_lang', '--sub-lang', '', ['write_subs']),
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OptionHolder('audio_quality', '--audio-quality', '5', ['to_audio'])
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]
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def parse(self, options_dictionary):
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"""Parse optionsmanager.OptionsManager options.
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Parses the given options to youtube-dl command line arguments.
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Args:
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options_dictionary (dictionary): Dictionary with all the options.
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Returns:
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List of strings with all the youtube-dl command line options.
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"""
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options_list = ['--newline']
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# Create a copy of options_dictionary
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# We don't want to edit the original options dictionary
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# and change some of the options values like 'save_path' etc..
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options_dict = options_dictionary.copy()
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self._build_savepath(options_dict)
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self._build_videoformat(options_dict)
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self._build_filesizes(options_dict)
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# Parse basic youtube-dl command line options
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for option in self._ydl_options:
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if option.check_requirements(options_dict):
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value = options_dict[option.name]
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if value != option.default_value:
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options_list.append(option.flag)
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if not option.is_boolean():
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options_list.append(unicode(value))
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# Parse cmd_args
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for option in options_dict['cmd_args'].split():
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options_list.append(option)
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return options_list
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def _build_savepath(self, options_dict):
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"""Build the save path.
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We use this method to build the value of the 'save_path' option and
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store it back to the options dictionary.
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Args:
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options_dict (dictionary): Copy of the original options dictionary.
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"""
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save_path = remove_shortcuts(options_dict['save_path'])
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if options_dict['output_format'] == 'id':
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save_path = os.path.join(save_path, '%(id)s.%(ext)s')
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elif options_dict['output_format'] == 'title':
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save_path = os.path.join(save_path, '%(title)s.%(ext)s')
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else:
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save_path = os.path.join(save_path, options_dict['output_template'])
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options_dict['save_path'] = save_path
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def _build_videoformat(self, options_dict):
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"""Build the video format.
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We use this method to build the value of the 'video_format' option and
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store it back to the options dictionary.
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Args:
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options_dict (dictionary): Copy of the original options dictionary.
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"""
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if options_dict['video_format'] != '0' and options_dict['second_video_format'] != '0':
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options_dict['video_format'] = options_dict['video_format'] + '+' + options_dict['second_video_format']
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def _build_filesizes(self, options_dict):
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"""Build the filesize options values.
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We use this method to build the values of 'min_filesize' and
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'max_filesize' options and store them back to options dictionary.
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Args:
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options_dict (dictionary): Copy of the original options dictionary.
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"""
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if options_dict['min_filesize']:
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options_dict['min_filesize'] = unicode(options_dict['min_filesize']) + options_dict['min_filesize_unit']
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if options_dict['max_filesize']:
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options_dict['max_filesize'] = unicode(options_dict['max_filesize']) + options_dict['max_filesize_unit']
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