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import ast
import re
import os
import collections
settings_info = collections.OrderedDict([
('route_tor', {
'type': bool,
'default': False,
'comment': '',
}),
('port_number', {
'type': int,
'default': 8080,
'comment': '',
}),
('allow_foreign_addresses', {
'type': bool,
'default': False,
'comment': '''This will allow others to connect to your Youtube Local instance as a website.
For security reasons, enabling this is not recommended.''',
}),
('subtitles_mode', {
'type': int,
'default': 0,
'comment': '''0 - off by default
1 - only manually created subtitles on by default
2 - enable even if automatically generated is all that's available''',
}),
('subtitles_language', {
'type': str,
'default': 'en',
'comment': '''ISO 639 language code: https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes''',
}),
('related_videos_mode', {
'type': int,
'default': 1,
'comment': '''0 - Related videos disabled
1 - Related videos always shown
2 - Related videos hidden; shown by clicking a button'''
}),
('comments_mode', {
'type': int,
'default': 1,
'comment': '''0 - Video comments disabled
1 - Video comments always shown
2 - Video comments hidden; shown by clicking a button''',
}),
('enable_comment_avatars', {
'type': bool,
'default': True,
'comment': '',
}),
('default_comment_sorting', {
'type': int,
'default': 0,
'comment': '''0 to sort by top
1 to sort by newest''',
}),
('autocheck_subscriptions', {
'type': bool,
'default': 0,
'comment': '',
}),
('gather_googlevideo_domains', {
'type': bool,
'default': False,
'comment': '''Developer use to debug 403s''',
}),
('debugging_save_responses', {
'type': bool,
'default': False,
'comment': '''Save all responses from youtube for debugging''',
}),
('settings_version', {
'type': int,
'default': 2,
'comment': '''Do not change, remove, or comment out this value, or else your settings may be lost or corrupted'''
}),
])
acceptable_targets = settings_info.keys() | {'enable_comments', 'enable_related_videos'}
def comment_string(comment):
result = ''
for line in comment.splitlines():
result += '# ' + line + '\n'
return result
def create_missing_settings_string(current_settings):
result = ''
for setting_name, setting_dict in settings_info.items():
if setting_name not in current_settings:
result += comment_string(setting_dict['comment']) + setting_name + ' = ' + repr(setting_dict['default']) + '\n\n'
return result
def create_default_settings_string():
return settings_to_string({})
def default_settings():
return {key: setting_info['default'] for key, setting_info in settings_info.items()}
def settings_to_string(settings):
'''Given a dictionary with the setting names/setting values for the keys/values, outputs a settings file string.
Fills in missing values from the defaults.'''
result = ''
for setting_name, default_setting_dict in settings_info.items():
if setting_name in settings:
value = settings[setting_name]
else:
value = default_setting_dict['default']
result += comment_string(default_setting_dict['comment']) + setting_name + ' = ' + repr(value) + '\n\n'
return result
def upgrade_to_2(current_settings):
'''Upgrade to settings version 2'''
new_settings = current_settings.copy()
if 'enable_comments' in current_settings:
new_settings['comments_mode'] = int(current_settings['enable_comments'])
del new_settings['enable_comments']
if 'enable_related_videos' in current_settings:
new_settings['related_videos_mode'] = int(current_settings['enable_related_videos'])
del new_settings['enable_related_videos']
return new_settings
def log_ignored_line(line_number, message):
print("WARNING: Ignoring settings.txt line " + str(node.lineno) + " (" + message + ")")
if os.path.isfile("settings.txt"):
print("Running in portable mode")
settings_dir = os.path.normpath('./')
data_dir = os.path.normpath('./data')
else:
print("Running in non-portable mode")
settings_dir = os.path.expanduser(os.path.normpath("~/.youtube-local"))
data_dir = os.path.expanduser(os.path.normpath("~/.youtube-local/data"))
if not os.path.exists(settings_dir):
os.makedirs(settings_dir)
settings_file_path = os.path.join(settings_dir, 'settings.txt')
locals().update(default_settings())
try:
with open(settings_file_path, 'r', encoding='utf-8') as file:
settings_text = file.read()
except FileNotFoundError:
with open(settings_file_path, 'w', encoding='utf-8') as file:
file.write(create_default_settings_string())
else:
if re.fullmatch(r'\s*', settings_text): # blank file
with open(settings_file_path, 'w', encoding='utf-8') as file:
file.write(create_default_settings_string())
else:
# parse settings in a safe way, without exec
current_settings = {}
attributes = {
ast.NameConstant: 'value',
ast.Num: 'n',
ast.Str: 's',
}
module_node = ast.parse(settings_text)
for node in module_node.body:
if type(node) != ast.Assign:
log_ignored_line(node.lineno, "only assignments are allowed")
continue
if len(node.targets) > 1:
log_ignored_line(node.lineno, "only simple single-variable assignments allowed")
continue
target = node.targets[0]
if type(target) != ast.Name:
log_ignored_line(node.lineno, "only simple single-variable assignments allowed")
continue
if target.id not in acceptable_targets:
log_ignored_line(node.lineno, target.id + " is not a valid setting")
continue
if type(node.value) not in (ast.NameConstant, ast.Num, ast.Str):
log_ignored_line(node.lineno, "only literals allowed for values")
continue
current_settings[target.id] = node.value.__getattribute__(attributes[type(node.value)])
if 'settings_version' not in current_settings:
print('Upgrading settings.txt')
new_settings = upgrade_to_2(current_settings)
locals().update(new_settings)
new_settings_string = settings_to_string(new_settings)
with open(settings_file_path, 'w', encoding='utf-8') as file:
file.write(new_settings_string)
# some settings not in the file, add those missing settings to the file
elif len(settings_info.keys() - current_settings.keys()) != 0:
print('Adding missing settings to settings.txt')
append_text = create_missing_settings_string(current_settings)
with open(settings_file_path, 'a', encoding='utf-8') as file:
file.write('\n\n' + append_text)
locals().update(current_settings)
else:
locals().update(current_settings)
if route_tor:
print("Tor routing is ON")
else:
print("Tor routing is OFF - your Youtube activity is NOT anonymous")
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