Return the text (content) and the html (whole) of the tag with the specified
attribute in the passed HTML document
"""
+ if not value:
+ return
quote = '' if re.match(r'''[\s"'`=<>]''', value) else '?'
raise self.HTMLBreakOnClosingTagException()
+# XXX: This should be far less strict
def get_element_text_and_html_by_tag(tag, html):
"""
For the first element with the specified tag in the passed HTML document
return '\0_'
return char
- if restricted and is_id is NO_DEFAULT:
+ # Replace look-alike Unicode glyphs
+ if restricted and (is_id is NO_DEFAULT or not is_id):
s = unicodedata.normalize('NFKC', s)
s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s) # Handle timestamps
result = ''.join(map(replace_insane, s))
context.options |= 4 # SSL_OP_LEGACY_SERVER_CONNECT
# Allow use of weaker ciphers in Python 3.10+. See https://bugs.python.org/issue43998
context.set_ciphers('DEFAULT')
- elif sys.version_info < (3, 10) and ssl.OPENSSL_VERSION_INFO >= (1, 1, 1):
+ elif (
+ sys.version_info < (3, 10)
+ and ssl.OPENSSL_VERSION_INFO >= (1, 1, 1)
+ and not ssl.OPENSSL_VERSION.startswith('LibreSSL')
+ ):
# Backport the default SSL ciphers and minimum TLS version settings from Python 3.10 [1].
# This is to ensure consistent behavior across Python versions, and help avoid fingerprinting
# in some situations [2][3].
# Python 3.10 only supports OpenSSL 1.1.1+ [4]. Because this change is likely
# untested on older versions, we only apply this to OpenSSL 1.1.1+ to be safe.
+ # LibreSSL is excluded until further investigation due to cipher support issues [5][6].
# 1. https://github.com/python/cpython/commit/e983252b516edb15d4338b0a47631b59ef1e2536
# 2. https://github.com/yt-dlp/yt-dlp/issues/4627
# 3. https://github.com/yt-dlp/yt-dlp/pull/5294
# 4. https://peps.python.org/pep-0644/
+ # 5. https://peps.python.org/pep-0644/#libressl-support
+ # 6. https://github.com/yt-dlp/yt-dlp/commit/5b9f253fa0aee996cf1ed30185d4b502e00609c4#commitcomment-89054368
context.set_ciphers('@SECLEVEL=2:ECDH+AESGCM:ECDH+CHACHA20:ECDH+AES:DHE+AES:!aNULL:!eNULL:!aDSS:!SHA1:!AESCCM')
context.minimum_version = ssl.TLSVersion.TLSv1_2
with contextlib.suppress(OSError): # We may not have access to the executable
libc_ver = platform.libc_ver()
- return 'Python %s (%s %s) - %s (%s%s)' % (
+ return 'Python %s (%s %s %s) - %s (%s%s)' % (
platform.python_version(),
python_implementation,
+ platform.machine(),
platform.architecture()[0],
platform.platform(),
ssl.OPENSSL_VERSION,
return format_decimal_suffix(bytes, '%.2f%sB', factor=1024) or 'N/A'
-def lookup_unit_table(unit_table, s):
+def lookup_unit_table(unit_table, s, strict=False):
+ num_re = NUMBER_RE if strict else NUMBER_RE.replace(R'\.', '[,.]')
units_re = '|'.join(re.escape(u) for u in unit_table)
- m = re.match(
- r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)\b' % units_re, s)
+ m = (re.fullmatch if strict else re.match)(
+ rf'(?P<num>{num_re})\s*(?P<unit>{units_re})\b', s)
if not m:
return None
- num_str = m.group('num').replace(',', '.')
+
+ num = float(m.group('num').replace(',', '.'))
mult = unit_table[m.group('unit')]
- return int(float(num_str) * mult)
+ return round(num * mult)
+
+
+def parse_bytes(s):
+ """Parse a string indicating a byte quantity into an integer"""
+ return lookup_unit_table(
+ {u: 1024**i for i, u in enumerate(['', *'KMGTPEZY'])},
+ s.upper(), strict=True)
def parse_filesize(s):
return exe
-def _get_exe_version_output(exe, args, *, to_screen=None):
- if to_screen:
- to_screen(f'Checking exe version: {shell_quote([exe] + args)}')
+def _get_exe_version_output(exe, args):
try:
# STDIN should be redirected too. On UNIX-like systems, ffmpeg triggers
# SIGTTOU if yt-dlp is run in the background.
self.is_exhausted = True
requested_entries = info_dict.get('requested_entries')
- self.is_incomplete = bool(requested_entries)
+ self.is_incomplete = requested_entries is not None
if self.is_incomplete:
assert self.is_exhausted
- self._entries = [self.MissingEntry] * max(requested_entries)
+ self._entries = [self.MissingEntry] * max(requested_entries or [0])
for i, entry in zip(requested_entries, entries):
self._entries[i - 1] = entry
elif isinstance(entries, (list, PagedList, LazyList)):
if not self.is_incomplete:
raise self.IndexError()
if entry is self.MissingEntry:
- raise EntryNotInPlaylist(f'Entry {i} cannot be found')
+ raise EntryNotInPlaylist(f'Entry {i + 1} cannot be found')
return entry
else:
def get_entry(i):
bound_args.apply_defaults()
key = tuple(bound_args.arguments.values())[1:]
- cache = vars(self).setdefault('__cached_method__cache', {}).setdefault(f.__name__, {})
+ cache = vars(self).setdefault('_cached_method__cache', {}).setdefault(f.__name__, {})
if key not in cache:
cache[key] = f(self, *args, **kwargs)
return cache[key]
class classproperty:
- """property access for class methods"""
+ """property access for class methods with optional caching"""
+ def __new__(cls, func=None, *args, **kwargs):
+ if not func:
+ return functools.partial(cls, *args, **kwargs)
+ return super().__new__(cls)
- def __init__(self, func):
+ def __init__(self, func, *, cache=False):
functools.update_wrapper(self, func)
self.func = func
+ self._cache = {} if cache else None
def __get__(self, _, cls):
- return self.func(cls)
+ if self._cache is None:
+ return self.func(cls)
+ elif cls not in self._cache:
+ self._cache[cls] = self.func(cls)
+ return self._cache[cls]
class Namespace(types.SimpleNamespace):
return orderedSet(requested)
+class FormatSorter:
+ regex = r' *((?P<reverse>\+)?(?P<field>[a-zA-Z0-9_]+)((?P<separator>[~:])(?P<limit>.*?))?)? *$'
+
+ default = ('hidden', 'aud_or_vid', 'hasvid', 'ie_pref', 'lang', 'quality',
+ 'res', 'fps', 'hdr:12', 'vcodec:vp9.2', 'channels', 'acodec',
+ 'size', 'br', 'asr', 'proto', 'ext', 'hasaud', 'source', 'id') # These must not be aliases
+ ytdl_default = ('hasaud', 'lang', 'quality', 'tbr', 'filesize', 'vbr',
+ 'height', 'width', 'proto', 'vext', 'abr', 'aext',
+ 'fps', 'fs_approx', 'source', 'id')
+
+ settings = {
+ 'vcodec': {'type': 'ordered', 'regex': True,
+ 'order': ['av0?1', 'vp0?9.2', 'vp0?9', '[hx]265|he?vc?', '[hx]264|avc', 'vp0?8', 'mp4v|h263', 'theora', '', None, 'none']},
+ 'acodec': {'type': 'ordered', 'regex': True,
+ 'order': ['[af]lac', 'wav|aiff', 'opus', 'vorbis|ogg', 'aac', 'mp?4a?', 'mp3', 'e-?a?c-?3', 'ac-?3', 'dts', '', None, 'none']},
+ 'hdr': {'type': 'ordered', 'regex': True, 'field': 'dynamic_range',
+ 'order': ['dv', '(hdr)?12', r'(hdr)?10\+', '(hdr)?10', 'hlg', '', 'sdr', None]},
+ 'proto': {'type': 'ordered', 'regex': True, 'field': 'protocol',
+ 'order': ['(ht|f)tps', '(ht|f)tp$', 'm3u8.*', '.*dash', 'websocket_frag', 'rtmpe?', '', 'mms|rtsp', 'ws|websocket', 'f4']},
+ 'vext': {'type': 'ordered', 'field': 'video_ext',
+ 'order': ('mp4', 'mov', 'webm', 'flv', '', 'none'),
+ 'order_free': ('webm', 'mp4', 'mov', 'flv', '', 'none')},
+ 'aext': {'type': 'ordered', 'field': 'audio_ext',
+ 'order': ('m4a', 'aac', 'mp3', 'ogg', 'opus', 'webm', '', 'none'),
+ 'order_free': ('ogg', 'opus', 'webm', 'mp3', 'm4a', 'aac', '', 'none')},
+ 'hidden': {'visible': False, 'forced': True, 'type': 'extractor', 'max': -1000},
+ 'aud_or_vid': {'visible': False, 'forced': True, 'type': 'multiple',
+ 'field': ('vcodec', 'acodec'),
+ 'function': lambda it: int(any(v != 'none' for v in it))},
+ 'ie_pref': {'priority': True, 'type': 'extractor'},
+ 'hasvid': {'priority': True, 'field': 'vcodec', 'type': 'boolean', 'not_in_list': ('none',)},
+ 'hasaud': {'field': 'acodec', 'type': 'boolean', 'not_in_list': ('none',)},
+ 'lang': {'convert': 'float', 'field': 'language_preference', 'default': -1},
+ 'quality': {'convert': 'float', 'default': -1},
+ 'filesize': {'convert': 'bytes'},
+ 'fs_approx': {'convert': 'bytes', 'field': 'filesize_approx'},
+ 'id': {'convert': 'string', 'field': 'format_id'},
+ 'height': {'convert': 'float_none'},
+ 'width': {'convert': 'float_none'},
+ 'fps': {'convert': 'float_none'},
+ 'channels': {'convert': 'float_none', 'field': 'audio_channels'},
+ 'tbr': {'convert': 'float_none'},
+ 'vbr': {'convert': 'float_none'},
+ 'abr': {'convert': 'float_none'},
+ 'asr': {'convert': 'float_none'},
+ 'source': {'convert': 'float', 'field': 'source_preference', 'default': -1},
+
+ 'codec': {'type': 'combined', 'field': ('vcodec', 'acodec')},
+ 'br': {'type': 'combined', 'field': ('tbr', 'vbr', 'abr'), 'same_limit': True},
+ 'size': {'type': 'combined', 'same_limit': True, 'field': ('filesize', 'fs_approx')},
+ 'ext': {'type': 'combined', 'field': ('vext', 'aext')},
+ 'res': {'type': 'multiple', 'field': ('height', 'width'),
+ 'function': lambda it: (lambda l: min(l) if l else 0)(tuple(filter(None, it)))},
+
+ # Actual field names
+ 'format_id': {'type': 'alias', 'field': 'id'},
+ 'preference': {'type': 'alias', 'field': 'ie_pref'},
+ 'language_preference': {'type': 'alias', 'field': 'lang'},
+ 'source_preference': {'type': 'alias', 'field': 'source'},
+ 'protocol': {'type': 'alias', 'field': 'proto'},
+ 'filesize_approx': {'type': 'alias', 'field': 'fs_approx'},
+ 'audio_channels': {'type': 'alias', 'field': 'channels'},
+
+ # Deprecated
+ 'dimension': {'type': 'alias', 'field': 'res', 'deprecated': True},
+ 'resolution': {'type': 'alias', 'field': 'res', 'deprecated': True},
+ 'extension': {'type': 'alias', 'field': 'ext', 'deprecated': True},
+ 'bitrate': {'type': 'alias', 'field': 'br', 'deprecated': True},
+ 'total_bitrate': {'type': 'alias', 'field': 'tbr', 'deprecated': True},
+ 'video_bitrate': {'type': 'alias', 'field': 'vbr', 'deprecated': True},
+ 'audio_bitrate': {'type': 'alias', 'field': 'abr', 'deprecated': True},
+ 'framerate': {'type': 'alias', 'field': 'fps', 'deprecated': True},
+ 'filesize_estimate': {'type': 'alias', 'field': 'size', 'deprecated': True},
+ 'samplerate': {'type': 'alias', 'field': 'asr', 'deprecated': True},
+ 'video_ext': {'type': 'alias', 'field': 'vext', 'deprecated': True},
+ 'audio_ext': {'type': 'alias', 'field': 'aext', 'deprecated': True},
+ 'video_codec': {'type': 'alias', 'field': 'vcodec', 'deprecated': True},
+ 'audio_codec': {'type': 'alias', 'field': 'acodec', 'deprecated': True},
+ 'video': {'type': 'alias', 'field': 'hasvid', 'deprecated': True},
+ 'has_video': {'type': 'alias', 'field': 'hasvid', 'deprecated': True},
+ 'audio': {'type': 'alias', 'field': 'hasaud', 'deprecated': True},
+ 'has_audio': {'type': 'alias', 'field': 'hasaud', 'deprecated': True},
+ 'extractor': {'type': 'alias', 'field': 'ie_pref', 'deprecated': True},
+ 'extractor_preference': {'type': 'alias', 'field': 'ie_pref', 'deprecated': True},
+ }
+
+ def __init__(self, ydl, field_preference):
+ self.ydl = ydl
+ self._order = []
+ self.evaluate_params(self.ydl.params, field_preference)
+ if ydl.params.get('verbose'):
+ self.print_verbose_info(self.ydl.write_debug)
+
+ def _get_field_setting(self, field, key):
+ if field not in self.settings:
+ if key in ('forced', 'priority'):
+ return False
+ self.ydl.deprecated_feature(f'Using arbitrary fields ({field}) for format sorting is '
+ 'deprecated and may be removed in a future version')
+ self.settings[field] = {}
+ propObj = self.settings[field]
+ if key not in propObj:
+ type = propObj.get('type')
+ if key == 'field':
+ default = 'preference' if type == 'extractor' else (field,) if type in ('combined', 'multiple') else field
+ elif key == 'convert':
+ default = 'order' if type == 'ordered' else 'float_string' if field else 'ignore'
+ else:
+ default = {'type': 'field', 'visible': True, 'order': [], 'not_in_list': (None,)}.get(key, None)
+ propObj[key] = default
+ return propObj[key]
+
+ def _resolve_field_value(self, field, value, convertNone=False):
+ if value is None:
+ if not convertNone:
+ return None
+ else:
+ value = value.lower()
+ conversion = self._get_field_setting(field, 'convert')
+ if conversion == 'ignore':
+ return None
+ if conversion == 'string':
+ return value
+ elif conversion == 'float_none':
+ return float_or_none(value)
+ elif conversion == 'bytes':
+ return parse_bytes(value)
+ elif conversion == 'order':
+ order_list = (self._use_free_order and self._get_field_setting(field, 'order_free')) or self._get_field_setting(field, 'order')
+ use_regex = self._get_field_setting(field, 'regex')
+ list_length = len(order_list)
+ empty_pos = order_list.index('') if '' in order_list else list_length + 1
+ if use_regex and value is not None:
+ for i, regex in enumerate(order_list):
+ if regex and re.match(regex, value):
+ return list_length - i
+ return list_length - empty_pos # not in list
+ else: # not regex or value = None
+ return list_length - (order_list.index(value) if value in order_list else empty_pos)
+ else:
+ if value.isnumeric():
+ return float(value)
+ else:
+ self.settings[field]['convert'] = 'string'
+ return value
+
+ def evaluate_params(self, params, sort_extractor):
+ self._use_free_order = params.get('prefer_free_formats', False)
+ self._sort_user = params.get('format_sort', [])
+ self._sort_extractor = sort_extractor
+
+ def add_item(field, reverse, closest, limit_text):
+ field = field.lower()
+ if field in self._order:
+ return
+ self._order.append(field)
+ limit = self._resolve_field_value(field, limit_text)
+ data = {
+ 'reverse': reverse,
+ 'closest': False if limit is None else closest,
+ 'limit_text': limit_text,
+ 'limit': limit}
+ if field in self.settings:
+ self.settings[field].update(data)
+ else:
+ self.settings[field] = data
+
+ sort_list = (
+ tuple(field for field in self.default if self._get_field_setting(field, 'forced'))
+ + (tuple() if params.get('format_sort_force', False)
+ else tuple(field for field in self.default if self._get_field_setting(field, 'priority')))
+ + tuple(self._sort_user) + tuple(sort_extractor) + self.default)
+
+ for item in sort_list:
+ match = re.match(self.regex, item)
+ if match is None:
+ raise ExtractorError('Invalid format sort string "%s" given by extractor' % item)
+ field = match.group('field')
+ if field is None:
+ continue
+ if self._get_field_setting(field, 'type') == 'alias':
+ alias, field = field, self._get_field_setting(field, 'field')
+ if self._get_field_setting(alias, 'deprecated'):
+ self.ydl.deprecated_feature(f'Format sorting alias {alias} is deprecated and may '
+ f'be removed in a future version. Please use {field} instead')
+ reverse = match.group('reverse') is not None
+ closest = match.group('separator') == '~'
+ limit_text = match.group('limit')
+
+ has_limit = limit_text is not None
+ has_multiple_fields = self._get_field_setting(field, 'type') == 'combined'
+ has_multiple_limits = has_limit and has_multiple_fields and not self._get_field_setting(field, 'same_limit')
+
+ fields = self._get_field_setting(field, 'field') if has_multiple_fields else (field,)
+ limits = limit_text.split(':') if has_multiple_limits else (limit_text,) if has_limit else tuple()
+ limit_count = len(limits)
+ for (i, f) in enumerate(fields):
+ add_item(f, reverse, closest,
+ limits[i] if i < limit_count
+ else limits[0] if has_limit and not has_multiple_limits
+ else None)
+
+ def print_verbose_info(self, write_debug):
+ if self._sort_user:
+ write_debug('Sort order given by user: %s' % ', '.join(self._sort_user))
+ if self._sort_extractor:
+ write_debug('Sort order given by extractor: %s' % ', '.join(self._sort_extractor))
+ write_debug('Formats sorted by: %s' % ', '.join(['%s%s%s' % (
+ '+' if self._get_field_setting(field, 'reverse') else '', field,
+ '%s%s(%s)' % ('~' if self._get_field_setting(field, 'closest') else ':',
+ self._get_field_setting(field, 'limit_text'),
+ self._get_field_setting(field, 'limit'))
+ if self._get_field_setting(field, 'limit_text') is not None else '')
+ for field in self._order if self._get_field_setting(field, 'visible')]))
+
+ def _calculate_field_preference_from_value(self, format, field, type, value):
+ reverse = self._get_field_setting(field, 'reverse')
+ closest = self._get_field_setting(field, 'closest')
+ limit = self._get_field_setting(field, 'limit')
+
+ if type == 'extractor':
+ maximum = self._get_field_setting(field, 'max')
+ if value is None or (maximum is not None and value >= maximum):
+ value = -1
+ elif type == 'boolean':
+ in_list = self._get_field_setting(field, 'in_list')
+ not_in_list = self._get_field_setting(field, 'not_in_list')
+ value = 0 if ((in_list is None or value in in_list) and (not_in_list is None or value not in not_in_list)) else -1
+ elif type == 'ordered':
+ value = self._resolve_field_value(field, value, True)
+
+ # try to convert to number
+ val_num = float_or_none(value, default=self._get_field_setting(field, 'default'))
+ is_num = self._get_field_setting(field, 'convert') != 'string' and val_num is not None
+ if is_num:
+ value = val_num
+
+ return ((-10, 0) if value is None
+ else (1, value, 0) if not is_num # if a field has mixed strings and numbers, strings are sorted higher
+ else (0, -abs(value - limit), value - limit if reverse else limit - value) if closest
+ else (0, value, 0) if not reverse and (limit is None or value <= limit)
+ else (0, -value, 0) if limit is None or (reverse and value == limit) or value > limit
+ else (-1, value, 0))
+
+ def _calculate_field_preference(self, format, field):
+ type = self._get_field_setting(field, 'type') # extractor, boolean, ordered, field, multiple
+ get_value = lambda f: format.get(self._get_field_setting(f, 'field'))
+ if type == 'multiple':
+ type = 'field' # Only 'field' is allowed in multiple for now
+ actual_fields = self._get_field_setting(field, 'field')
+
+ value = self._get_field_setting(field, 'function')(get_value(f) for f in actual_fields)
+ else:
+ value = get_value(field)
+ return self._calculate_field_preference_from_value(format, field, type, value)
+
+ def calculate_preference(self, format):
+ # Determine missing protocol
+ if not format.get('protocol'):
+ format['protocol'] = determine_protocol(format)
+
+ # Determine missing ext
+ if not format.get('ext') and 'url' in format:
+ format['ext'] = determine_ext(format['url'])
+ if format.get('vcodec') == 'none':
+ format['audio_ext'] = format['ext'] if format.get('acodec') != 'none' else 'none'
+ format['video_ext'] = 'none'
+ else:
+ format['video_ext'] = format['ext']
+ format['audio_ext'] = 'none'
+ # if format.get('preference') is None and format.get('ext') in ('f4f', 'f4m'): # Not supported?
+ # format['preference'] = -1000
+
+ # Determine missing bitrates
+ if format.get('tbr') is None:
+ if format.get('vbr') is not None and format.get('abr') is not None:
+ format['tbr'] = format.get('vbr', 0) + format.get('abr', 0)
+ else:
+ if format.get('vcodec') != 'none' and format.get('vbr') is None:
+ format['vbr'] = format.get('tbr') - format.get('abr', 0)
+ if format.get('acodec') != 'none' and format.get('abr') is None:
+ format['abr'] = format.get('tbr') - format.get('vbr', 0)
+
+ return tuple(self._calculate_field_preference(format, field) for field in self._order)
+
+
# Deprecated
has_certifi = bool(certifi)
has_websockets = bool(websockets)