#!/usr/bin/env python # coding: utf-8 from __future__ import unicode_literals import base64 import binascii import calendar import codecs import collections import contextlib import ctypes import datetime import email.utils import email.header import errno import functools import inspect import io import itertools import json import locale import math import operator import os import platform import random import re import socket import ssl import subprocess import sys import tempfile import time import traceback import unicodedata import xml.etree.ElementTree import zlib from .compat import ( compat_HTMLParseError, compat_HTMLParser, compat_basestring, compat_brotli as brotli, compat_casefold, compat_chr, compat_collections_abc, compat_contextlib_suppress, compat_cookiejar, compat_ctypes_WINFUNCTYPE, compat_datetime_timedelta_total_seconds, compat_etree_Element, compat_etree_fromstring, compat_etree_iterfind, compat_expanduser, compat_html_entities, compat_html_entities_html5, compat_http_client, compat_http_cookies, compat_integer_types, compat_kwargs, compat_ncompress as ncompress, compat_os_name, compat_re_Match, compat_re_Pattern, compat_shlex_quote, compat_str, compat_struct_pack, compat_struct_unpack, compat_urllib_error, compat_urllib_HTTPError, compat_urllib_parse, compat_urllib_parse_parse_qs as compat_parse_qs, compat_urllib_parse_urlencode, compat_urllib_parse_urlparse, compat_urllib_parse_unquote_plus, compat_urllib_request, compat_xpath, ) from .socks import ( ProxyType, sockssocket, ) def register_socks_protocols(): # "Register" SOCKS protocols # In Python < 2.6.5, urlsplit() suffers from bug https://bugs.python.org/issue7904 # URLs with protocols not in urlparse.uses_netloc are not handled correctly for scheme in ('socks', 'socks4', 'socks4a', 'socks5'): if scheme not in compat_urllib_parse.uses_netloc: compat_urllib_parse.uses_netloc.append(scheme) # Unfavoured alias compiled_regex_type = compat_re_Pattern def random_user_agent(): _USER_AGENT_TPL = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s Safari/537.36' _CHROME_VERSIONS = ( '74.0.3729.129', '76.0.3780.3', '76.0.3780.2', '74.0.3729.128', '76.0.3780.1', '76.0.3780.0', '75.0.3770.15', '74.0.3729.127', '74.0.3729.126', '76.0.3779.1', '76.0.3779.0', '75.0.3770.14', '74.0.3729.125', '76.0.3778.1', '76.0.3778.0', '75.0.3770.13', '74.0.3729.124', '74.0.3729.123', '73.0.3683.121', '76.0.3777.1', '76.0.3777.0', '75.0.3770.12', '74.0.3729.122', '76.0.3776.4', '75.0.3770.11', '74.0.3729.121', '76.0.3776.3', '76.0.3776.2', '73.0.3683.120', '74.0.3729.120', '74.0.3729.119', '74.0.3729.118', '76.0.3776.1', '76.0.3776.0', '76.0.3775.5', '75.0.3770.10', '74.0.3729.117', '76.0.3775.4', '76.0.3775.3', '74.0.3729.116', '75.0.3770.9', '76.0.3775.2', '76.0.3775.1', '76.0.3775.0', '75.0.3770.8', '74.0.3729.115', '74.0.3729.114', '76.0.3774.1', '76.0.3774.0', '75.0.3770.7', '74.0.3729.113', '74.0.3729.112', '74.0.3729.111', 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'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Language': 'en-us,en;q=0.5', } USER_AGENTS = { 'Safari': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27', } NO_DEFAULT = object() IDENTITY = lambda x: x ENGLISH_MONTH_NAMES = [ 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'] MONTH_NAMES = { 'en': ENGLISH_MONTH_NAMES, 'fr': [ 'janvier', 'février', 'mars', 'avril', 'mai', 'juin', 'juillet', 'août', 'septembre', 'octobre', 'novembre', 'décembre'], } # Timezone names for RFC2822 obs-zone # From https://github.com/python/cpython/blob/3.11/Lib/email/_parseaddr.py#L36-L42 TIMEZONE_NAMES = { 'UT': 0, 'UTC': 0, 'GMT': 0, 'Z': 0, 'AST': -4, 'ADT': -3, # Atlantic (used in Canada) 'EST': -5, 'EDT': -4, # Eastern 'CST': -6, 'CDT': -5, # Central 'MST': -7, 'MDT': -6, # Mountain 'PST': -8, 'PDT': -7 # Pacific } # needed for sanitizing filenames in restricted mode ACCENT_CHARS = dict(zip('ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ', itertools.chain('AAAAAA', ['AE'], 'CEEEEIIIIDNOOOOOOO', ['OE'], 'UUUUUY', ['TH', 'ss'], 'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuy', ['th'], 'y'))) DATE_FORMATS = ( '%d %B %Y', '%d %b %Y', '%B %d %Y', '%B %dst %Y', '%B %dnd %Y', '%B %drd %Y', '%B %dth %Y', '%b %d %Y', '%b %dst %Y', '%b %dnd %Y', '%b %drd %Y', '%b %dth %Y', '%b %dst %Y %I:%M', '%b %dnd %Y %I:%M', '%b %drd %Y %I:%M', '%b %dth %Y %I:%M', '%Y %m %d', '%Y-%m-%d', '%Y.%m.%d.', '%Y/%m/%d', '%Y/%m/%d %H:%M', '%Y/%m/%d %H:%M:%S', '%Y%m%d%H%M', '%Y%m%d%H%M%S', '%Y%m%d', '%Y-%m-%d %H:%M', '%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M:%S.%f', '%Y-%m-%d %H:%M:%S:%f', '%d.%m.%Y %H:%M', '%d.%m.%Y %H.%M', '%Y-%m-%dT%H:%M:%SZ', '%Y-%m-%dT%H:%M:%S.%fZ', '%Y-%m-%dT%H:%M:%S.%f0Z', '%Y-%m-%dT%H:%M:%S', '%Y-%m-%dT%H:%M:%S.%f', '%Y-%m-%dT%H:%M', '%b %d %Y at %H:%M', '%b %d %Y at %H:%M:%S', '%B %d %Y at %H:%M', '%B %d %Y at %H:%M:%S', '%H:%M %d-%b-%Y', ) DATE_FORMATS_DAY_FIRST = list(DATE_FORMATS) DATE_FORMATS_DAY_FIRST.extend([ '%d-%m-%Y', '%d.%m.%Y', '%d.%m.%y', '%d/%m/%Y', '%d/%m/%y', '%d/%m/%Y %H:%M:%S', '%d-%m-%Y %H:%M', ]) DATE_FORMATS_MONTH_FIRST = list(DATE_FORMATS) DATE_FORMATS_MONTH_FIRST.extend([ '%m-%d-%Y', '%m.%d.%Y', '%m/%d/%Y', '%m/%d/%y', '%m/%d/%Y %H:%M:%S', ]) PACKED_CODES_RE = r"}\('(.+)',(\d+),(\d+),'([^']+)'\.split\('\|'\)" JSON_LD_RE = r'(?is)<script[^>]+type=(["\']?)application/ld\+json\1[^>]*>(?P<json_ld>.+?)</script>' def preferredencoding(): """Get preferred encoding. Returns the best encoding scheme for the system, based on locale.getpreferredencoding() and some further tweaks. """ try: pref = locale.getpreferredencoding() 'TEST'.encode(pref) except Exception: pref = 'UTF-8' return pref def write_json_file(obj, fn): """ Encode obj as JSON and write it to fn, atomically if possible """ fn = encodeFilename(fn) if sys.version_info < (3, 0) and sys.platform != 'win32': encoding = get_filesystem_encoding() # os.path.basename returns a bytes object, but NamedTemporaryFile # will fail if the filename contains non-ascii characters unless we # use a unicode object path_basename = lambda f: os.path.basename(f).decode(encoding) # the same for os.path.dirname path_dirname = lambda f: os.path.dirname(f).decode(encoding) else: path_basename = os.path.basename path_dirname = os.path.dirname args = { 'suffix': '.tmp', 'prefix': path_basename(fn) + '.', 'dir': path_dirname(fn), 'delete': False, } # In Python 2.x, json.dump expects a bytestream. # In Python 3.x, it writes to a character stream if sys.version_info < (3, 0): args['mode'] = 'wb' else: args.update({ 'mode': 'w', 'encoding': 'utf-8', }) tf = tempfile.NamedTemporaryFile(**compat_kwargs(args)) try: with tf: json.dump(obj, tf) with compat_contextlib_suppress(OSError): if sys.platform == 'win32': # Need to remove existing file on Windows, else os.rename raises # WindowsError or FileExistsError. os.unlink(fn) mask = os.umask(0) os.umask(mask) os.chmod(tf.name, 0o666 & ~mask) os.rename(tf.name, fn) except Exception: with compat_contextlib_suppress(OSError): os.remove(tf.name) raise if sys.version_info >= (2, 7): def find_xpath_attr(node, xpath, key, val=None): """ Find the xpath xpath[@key=val] """ assert re.match(r'^[a-zA-Z_-]+$', key) expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val)) return node.find(expr) else: def find_xpath_attr(node, xpath, key, val=None): for f in node.findall(compat_xpath(xpath)): if key not in f.attrib: continue if val is None or f.attrib.get(key) == val: return f return None # On python2.6 the xml.etree.ElementTree.Element methods don't support # the namespace parameter def xpath_with_ns(path, ns_map): components = [c.split(':') for c in path.split('/')] replaced = [] for c in components: if len(c) == 1: replaced.append(c[0]) else: ns, tag = c replaced.append('{%s}%s' % (ns_map[ns], tag)) return '/'.join(replaced) def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT): def _find_xpath(xpath): return node.find(compat_xpath(xpath)) if isinstance(xpath, compat_basestring): n = _find_xpath(xpath) else: for xp in xpath: n = _find_xpath(xp) if n is not None: break if n is None: if default is not NO_DEFAULT: return default elif fatal: name = xpath if name is None else name raise ExtractorError('Could not find XML element %s' % name) else: return None return n def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT): n = xpath_element(node, xpath, name, fatal=fatal, default=default) if n is None or n == default: return n if n.text is None: if default is not NO_DEFAULT: return default elif fatal: name = xpath if name is None else name raise ExtractorError('Could not find XML element\'s text %s' % name) else: return None return n.text def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT): n = find_xpath_attr(node, xpath, key) if n is None: if default is not NO_DEFAULT: return default elif fatal: name = '%s[@%s]' % (xpath, key) if name is None else name raise ExtractorError('Could not find XML attribute %s' % name) else: return None return n.attrib[key] def get_element_by_id(id, html): """Return the content of the tag with the specified ID in the passed HTML document""" return get_element_by_attribute('id', id, html) def get_element_by_class(class_name, html): """Return the content of the first tag with the specified class in the passed HTML document""" retval = get_elements_by_class(class_name, html) return retval[0] if retval else None def get_element_by_attribute(attribute, value, html, escape_value=True): retval = get_elements_by_attribute(attribute, value, html, escape_value) return retval[0] if retval else None def get_elements_by_class(class_name, html): """Return the content of all tags with the specified class in the passed HTML document as a list""" return get_elements_by_attribute( 'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name), html, escape_value=False) def get_elements_by_attribute(attribute, value, html, escape_value=True): """Return the content of the tag with the specified attribute in the passed HTML document""" value = re.escape(value) if escape_value else value retlist = [] for m in re.finditer(r'''(?xs) <([a-zA-Z0-9:._-]+) (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*? \s+%s=['"]?%s['"]? (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*? \s*> (?P<content>.*?) </\1> ''' % (re.escape(attribute), value), html): res = m.group('content') if res.startswith('"') or res.startswith("'"): res = res[1:-1] retlist.append(unescapeHTML(res)) return retlist class HTMLAttributeParser(compat_HTMLParser): """Trivial HTML parser to gather the attributes for a single element""" def __init__(self): self.attrs = {} compat_HTMLParser.__init__(self) def handle_starttag(self, tag, attrs): self.attrs = dict(attrs) def extract_attributes(html_element): """Given a string for an HTML element such as <el a="foo" B="bar" c="&98;az" d=boz empty= noval entity="&" sq='"' dq="'" > Decode and return a dictionary of attributes. { 'a': 'foo', 'b': 'bar', c: 'baz', d: 'boz', 'empty': '', 'noval': None, 'entity': '&', 'sq': '"', 'dq': '\'' }. NB HTMLParser is stricter in Python 2.6 & 3.2 than in later versions, but the cases in the unit test will work for all of 2.6, 2.7, 3.2-3.5. """ ret = None # Older Python may throw HTMLParseError in case of malformed HTML (and on .close()!) with compat_contextlib_suppress(compat_HTMLParseError): with contextlib.closing(HTMLAttributeParser()) as parser: parser.feed(html_element) ret = parser.attrs return ret or {} def clean_html(html): """Clean an HTML snippet into a readable string""" if html is None: # Convenience for sanitizing descriptions etc. return html # Newline vs <br /> html = html.replace('\n', ' ') html = re.sub(r'(?u)\s*<\s*br\s*/?\s*>\s*', '\n', html) html = re.sub(r'(?u)<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html) # Strip html tags html = re.sub('<.*?>', '', html) # Replace html entities html = unescapeHTML(html) return html.strip() def sanitize_open(filename, open_mode): """Try to open the given filename, and slightly tweak it if this fails. Attempts to open the given filename. If this fails, it tries to change the filename slightly, step by step, until it's either able to open it or it fails and raises a final exception, like the standard open() function. It returns the tuple (stream, definitive_file_name). """ try: if filename == '-': if sys.platform == 'win32': import msvcrt msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename) stream = open(encodeFilename(filename), open_mode) return (stream, filename) except (IOError, OSError) as err: if err.errno in (errno.EACCES,): raise # In case of error, try to remove win32 forbidden chars alt_filename = sanitize_path(filename) if alt_filename == filename: raise else: # An exception here should be caught in the caller stream = open(encodeFilename(alt_filename), open_mode) return (stream, alt_filename) def timeconvert(timestr): """Convert RFC 2822 defined time string into system timestamp""" timestamp = None timetuple = email.utils.parsedate_tz(timestr) if timetuple is not None: timestamp = email.utils.mktime_tz(timetuple) return timestamp def sanitize_filename(s, restricted=False, is_id=False): """Sanitizes a string so it could be used as part of a filename. If restricted is set, use a stricter subset of allowed characters. Set is_id if this is not an arbitrary string, but an ID that should be kept if possible. """ def replace_insane(char): if restricted and char in ACCENT_CHARS: return ACCENT_CHARS[char] if char == '?' or ord(char) < 32 or ord(char) == 127: return '' elif char == '"': return '' if restricted else '\'' elif char == ':': return '_-' if restricted else ' -' elif char in '\\/|*<>': return '_' if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()): return '_' if restricted and ord(char) > 127: return '' if unicodedata.category(char)[0] in 'CM' else '_' return char # Replace look-alike Unicode glyphs if restricted and not is_id: s = unicodedata.normalize('NFKC', s) # Handle timestamps s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s) result = ''.join(map(replace_insane, s)) if not is_id: while '__' in result: result = result.replace('__', '_') result = result.strip('_') # Common case of "Foreign band name - English song title" if restricted and result.startswith('-_'): result = result[2:] if result.startswith('-'): result = '_' + result[len('-'):] result = result.lstrip('.') if not result: result = '_' return result def sanitize_path(s): """Sanitizes and normalizes path on Windows""" if sys.platform != 'win32': return s drive_or_unc, _ = os.path.splitdrive(s) if sys.version_info < (2, 7) and not drive_or_unc: drive_or_unc, _ = os.path.splitunc(s) norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep) if drive_or_unc: norm_path.pop(0) sanitized_path = [ path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part) for path_part in norm_path] if drive_or_unc: sanitized_path.insert(0, drive_or_unc + os.path.sep) return os.path.join(*sanitized_path) def sanitize_url(url): # Prepend protocol-less URLs with `http:` scheme in order to mitigate # the number of unwanted failures due to missing protocol if url.startswith('//'): return 'http:%s' % url # Fix some common typos seen so far COMMON_TYPOS = ( # https://github.com/ytdl-org/youtube-dl/issues/15649 (r'^httpss://', r'https://'), # https://bx1.be/lives/direct-tv/ (r'^rmtp([es]?)://', r'rtmp\1://'), ) for mistake, fixup in COMMON_TYPOS: if re.match(mistake, url): return re.sub(mistake, fixup, url) return url def extract_basic_auth(url): parts = compat_urllib_parse.urlsplit(url) if parts.username is None: return url, None url = compat_urllib_parse.urlunsplit(parts._replace(netloc=( parts.hostname if parts.port is None else '%s:%d' % (parts.hostname, parts.port)))) auth_payload = base64.b64encode( ('%s:%s' % (parts.username, parts.password or '')).encode('utf-8')) return url, 'Basic {0}'.format(auth_payload.decode('ascii')) def sanitized_Request(url, *args, **kwargs): url, auth_header = extract_basic_auth(escape_url(sanitize_url(url))) if auth_header is not None: headers = args[1] if len(args) > 1 else kwargs.get('headers') headers = headers or {} headers['Authorization'] = auth_header if len(args) <= 1 and kwargs.get('headers') is None: kwargs['headers'] = headers kwargs = compat_kwargs(kwargs) return compat_urllib_request.Request(url, *args, **kwargs) def expand_path(s): """Expand shell variables and ~""" return os.path.expandvars(compat_expanduser(s)) def orderedSet(iterable): """ Remove all duplicates from the input iterable """ res = [] for el in iterable: if el not in res: res.append(el) return res def _htmlentity_transform(entity_with_semicolon): """Transforms an HTML entity to a character.""" entity = entity_with_semicolon[:-1] # Known non-numeric HTML entity if entity in compat_html_entities.name2codepoint: return compat_chr(compat_html_entities.name2codepoint[entity]) # TODO: HTML5 allows entities without a semicolon. For example, # 'Éric' should be decoded as 'Éric'. if entity_with_semicolon in compat_html_entities_html5: return compat_html_entities_html5[entity_with_semicolon] mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity) if mobj is not None: numstr = mobj.group(1) if numstr.startswith('x'): base = 16 numstr = '0%s' % numstr else: base = 10 # See https://github.com/ytdl-org/youtube-dl/issues/7518\ # Also, weirdly, compat_contextlib_suppress fails here in 2.6 try: return compat_chr(int(numstr, base)) except ValueError: pass # Unknown entity in name, return its literal representation return '&%s;' % entity def unescapeHTML(s): if s is None: return None assert isinstance(s, compat_str) return re.sub( r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s) def process_communicate_or_kill(p, *args, **kwargs): try: return p.communicate(*args, **kwargs) except BaseException: # Including KeyboardInterrupt p.kill() p.wait() raise def get_subprocess_encoding(): if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5: # For subprocess calls, encode with locale encoding # Refer to http://stackoverflow.com/a/9951851/35070 encoding = preferredencoding() else: encoding = sys.getfilesystemencoding() if encoding is None: encoding = 'utf-8' return encoding # Jython assumes filenames are Unicode strings though reported as Python 2.x compatible if sys.version_info < (3, 0) and not sys.platform.startswith('java'): def encodeFilename(s, for_subprocess=False): """ @param s The name of the file """ # Pass '' directly to use Unicode APIs on Windows 2000 and up # (Detecting Windows NT 4 is tricky because 'major >= 4' would # match Windows 9x series as well. Besides, NT 4 is obsolete.) if (not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5 and isinstance(s, compat_str)): return s return _encode_compat_str(s, get_subprocess_encoding(), 'ignore') def decodeFilename(b, for_subprocess=False): return _decode_compat_str(b, get_subprocess_encoding(), 'ignore') else: # Python 3 has a Unicode API encodeFilename = decodeFilename = lambda *s, **k: s[0] def encodeArgument(s): if not isinstance(s, compat_str): # Legacy code that uses byte strings # Uncomment the following line after fixing all post processors # assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s)) s = s.decode('ascii') return encodeFilename(s, True) def decodeArgument(b): return decodeFilename(b, True) def decodeOption(optval): if optval is None: return optval return _decode_compat_str(optval) def formatSeconds(secs): if secs > 3600: return '%d:%02d:%02d' % (secs // 3600, (secs % 3600) // 60, secs % 60) elif secs > 60: return '%d:%02d' % (secs // 60, secs % 60) else: return '%d' % secs def make_HTTPS_handler(params, **kwargs): # https://www.rfc-editor.org/info/rfc7301 ALPN_PROTOCOLS = ['http/1.1'] def set_alpn_protocols(ctx): # From https://github.com/yt-dlp/yt-dlp/commit/2c6dcb65fb612fc5bc5c61937bf438d3c473d8d0 # Thanks @coletdjnz # Some servers may (wrongly) reject requests if ALPN extension is not sent. See: # https://github.com/python/cpython/issues/85140 # https://github.com/yt-dlp/yt-dlp/issues/3878 with compat_contextlib_suppress(AttributeError, NotImplementedError): # fails for Python < 2.7.10, not ssl.HAS_ALPN ctx.set_alpn_protocols(ALPN_PROTOCOLS) opts_no_check_certificate = params.get('nocheckcertificate', False) if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9 context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH) set_alpn_protocols(context) if opts_no_check_certificate: context.check_hostname = False context.verify_mode = ssl.CERT_NONE with compat_contextlib_suppress(TypeError): # Fails with Python 2.7.8 (create_default_context present # but HTTPSHandler has no context=) return YoutubeDLHTTPSHandler(params, context=context, **kwargs) if sys.version_info < (3, 2): return YoutubeDLHTTPSHandler(params, **kwargs) else: # Python3 < 3.4 context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) context.verify_mode = (ssl.CERT_NONE if opts_no_check_certificate else ssl.CERT_REQUIRED) context.set_default_verify_paths() set_alpn_protocols(context) return YoutubeDLHTTPSHandler(params, context=context, **kwargs) def bug_reports_message(before=';'): if ytdl_is_updateable(): update_cmd = 'type youtube-dl -U to update' else: update_cmd = 'see https://github.com/ytdl-org/youtube-dl/#user-content-installation on how to update' msg = ( 'please report this issue on https://github.com/ytdl-org/youtube-dl/issues ,' ' using the appropriate issue template.' ' Make sure you are using the latest version; %s.' ' Be sure to call youtube-dl with the --verbose option and include the complete output.' ) % update_cmd before = (before or '').rstrip() if not before or before.endswith(('.', '!', '?')): msg = msg[0].title() + msg[1:] return (before + ' ' if before else '') + msg class YoutubeDLError(Exception): """Base exception for YoutubeDL errors.""" pass class ExtractorError(YoutubeDLError): """Error during info extraction.""" def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None): """ tb, if given, is the original traceback (so that it can be printed out). If expected is set, this is a normal error message and most likely not a bug in youtube-dl. """ self.orig_msg = msg if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError): expected = True if video_id is not None: msg = video_id + ': ' + msg if cause: msg += ' (caused by %r)' % cause if not expected: msg += bug_reports_message() super(ExtractorError, self).__init__(msg) self.traceback = tb self.exc_info = sys.exc_info() # preserve original exception self.cause = cause self.video_id = video_id def format_traceback(self): if self.traceback is None: return None return ''.join(traceback.format_tb(self.traceback)) class UnsupportedError(ExtractorError): def __init__(self, url): super(UnsupportedError, self).__init__( 'Unsupported URL: %s' % url, expected=True) self.url = url class RegexNotFoundError(ExtractorError): """Error when a regex didn't match""" pass class GeoRestrictedError(ExtractorError): """Geographic restriction Error exception. This exception may be thrown when a video is not available from your geographic location due to geographic restrictions imposed by a website. """ def __init__(self, msg, countries=None): super(GeoRestrictedError, self).__init__(msg, expected=True) self.msg = msg self.countries = countries class DownloadError(YoutubeDLError): """Download Error exception. This exception may be thrown by FileDownloader objects if they are not configured to continue on errors. They will contain the appropriate error message. """ def __init__(self, msg, exc_info=None): """ exc_info, if given, is the original exception that caused the trouble (as returned by sys.exc_info()). """ super(DownloadError, self).__init__(msg) self.exc_info = exc_info class SameFileError(YoutubeDLError): """Same File exception. This exception will be thrown by FileDownloader objects if they detect multiple files would have to be downloaded to the same file on disk. """ pass class PostProcessingError(YoutubeDLError): """Post Processing exception. This exception may be raised by PostProcessor's .run() method to indicate an error in the postprocessing task. """ def __init__(self, msg): super(PostProcessingError, self).__init__(msg) self.msg = msg class MaxDownloadsReached(YoutubeDLError): """ --max-downloads limit has been reached. """ pass class UnavailableVideoError(YoutubeDLError): """Unavailable Format exception. This exception will be thrown when a video is requested in a format that is not available for that video. """ pass class ContentTooShortError(YoutubeDLError): """Content Too Short exception. This exception may be raised by FileDownloader objects when a file they download is too small for what the server announced first, indicating the connection was probably interrupted. """ def __init__(self, downloaded, expected): super(ContentTooShortError, self).__init__( 'Downloaded {0} bytes, expected {1} bytes'.format(downloaded, expected) ) # Both in bytes self.downloaded = downloaded self.expected = expected class XAttrMetadataError(YoutubeDLError): def __init__(self, code=None, msg='Unknown error'): super(XAttrMetadataError, self).__init__(msg) self.code = code self.msg = msg # Parsing code and msg if (self.code in (errno.ENOSPC, errno.EDQUOT) or 'No space left' in self.msg or 'Disk quota exceeded' in self.msg): self.reason = 'NO_SPACE' elif self.code == errno.E2BIG or 'Argument list too long' in self.msg: self.reason = 'VALUE_TOO_LONG' else: self.reason = 'NOT_SUPPORTED' class XAttrUnavailableError(YoutubeDLError): pass def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs): # Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting # expected HTTP responses to meet HTTP/1.0 or later (see also # https://github.com/ytdl-org/youtube-dl/issues/6727) if sys.version_info < (3, 0): kwargs['strict'] = True hc = http_class(*args, **compat_kwargs(kwargs)) source_address = ydl_handler._params.get('source_address') if source_address is not None: # This is to workaround _create_connection() from socket where it will try all # address data from getaddrinfo() including IPv6. This filters the result from # getaddrinfo() based on the source_address value. # This is based on the cpython socket.create_connection() function. # https://github.com/python/cpython/blob/master/Lib/socket.py#L691 def _create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None): host, port = address err = None addrs = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM) af = socket.AF_INET if '.' in source_address[0] else socket.AF_INET6 ip_addrs = [addr for addr in addrs if addr[0] == af] if addrs and not ip_addrs: ip_version = 'v4' if af == socket.AF_INET else 'v6' raise socket.error( "No remote IP%s addresses available for connect, can't use '%s' as source address" % (ip_version, source_address[0])) for res in ip_addrs: af, socktype, proto, canonname, sa = res sock = None try: sock = socket.socket(af, socktype, proto) if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT: sock.settimeout(timeout) sock.bind(source_address) sock.connect(sa) err = None # Explicitly break reference cycle return sock except socket.error as _: err = _ if sock is not None: sock.close() if err is not None: raise err else: raise socket.error('getaddrinfo returns an empty list') if hasattr(hc, '_create_connection'): hc._create_connection = _create_connection sa = (source_address, 0) if hasattr(hc, 'source_address'): # Python 2.7+ hc.source_address = sa else: # Python 2.6 def _hc_connect(self, *args, **kwargs): sock = _create_connection( (self.host, self.port), self.timeout, sa) if is_https: self.sock = ssl.wrap_socket( sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_TLSv1) else: self.sock = sock hc.connect = functools.partial(_hc_connect, hc) return hc def handle_youtubedl_headers(headers): filtered_headers = headers if 'Youtubedl-no-compression' in filtered_headers: filtered_headers = filter_dict(filtered_headers, cndn=lambda k, _: k.lower() != 'accept-encoding') del filtered_headers['Youtubedl-no-compression'] return filtered_headers class YoutubeDLHandler(compat_urllib_request.HTTPHandler): """Handler for HTTP requests and responses. This class, when installed with an OpenerDirector, automatically adds the standard headers to every HTTP request and handles gzipped and deflated responses from web servers. If compression is to be avoided in a particular request, the original request in the program code only has to include the HTTP header "Youtubedl-no-compression", which will be removed before making the real request. Part of this code was copied from: http://techknack.net/python-urllib2-handlers/, archived at https://web.archive.org/web/20130527205558/http://techknack.net/python-urllib2-handlers/ Andrew Rowls, the author of that code, agreed to release it to the public domain. """ def __init__(self, params, *args, **kwargs): compat_urllib_request.HTTPHandler.__init__(self, *args, **kwargs) self._params = params def http_open(self, req): conn_class = compat_http_client.HTTPConnection socks_proxy = req.headers.get('Ytdl-socks-proxy') if socks_proxy: conn_class = make_socks_conn_class(conn_class, socks_proxy) del req.headers['Ytdl-socks-proxy'] return self.do_open(functools.partial( _create_http_connection, self, conn_class, False), req) @staticmethod def deflate_gz(data): try: # format:zlib,gzip + windowsize:32768 return data and zlib.decompress(data, 32 + zlib.MAX_WBITS) except zlib.error: # raw zlib * windowsize:32768 (RFC 9110: "non-conformant") return zlib.decompress(data, -zlib.MAX_WBITS) @staticmethod def gzip(data): from gzip import GzipFile def _gzip(data): with io.BytesIO(data) as data_buf: gz = GzipFile(fileobj=data_buf, mode='rb') return gz.read() try: return _gzip(data) except IOError as original_ioerror: # There may be junk at the end of the file # See http://stackoverflow.com/q/4928560/35070 for details for i in range(1, 1024): try: return _gzip(data[:-i]) except IOError: continue else: raise original_ioerror @staticmethod def brotli(data): return data and brotli.decompress(data) @staticmethod def compress(data): return data and ncompress.decompress(data) @staticmethod def _fix_path(url): # an embedded /../ or /./ sequence is not automatically handled by urllib2 # see https://github.com/yt-dlp/yt-dlp/issues/3355 parsed_url = compat_urllib_parse.urlsplit(url) path = parsed_url.path if not path.endswith('/'): path += '/' parts = path.partition('/./') if not parts[1]: parts = path.partition('/../') if parts[1]: path = compat_urllib_parse.urljoin( parts[0] + parts[1][:1], parts[1][1:] + (parts[2] if parsed_url.path.endswith('/') else parts[2][:-1])) url = parsed_url._replace(path=path).geturl() if '/.' in url: # worse, URL path may have initial /../ against RFCs: work-around # by stripping such prefixes, like eg Firefox path = parsed_url.path + '/' while path.startswith('/.'): if path.startswith('/../'): path = path[3:] elif path.startswith('/./'): path = path[2:] else: break path = path[:-1] if not path.startswith('/') and parsed_url.path.startswith('/'): path = '/' + path url = parsed_url._replace(path=path).geturl() return url def http_request(self, req): url = req.get_full_url() # resolve embedded . and .. url_fixed = self._fix_path(url) # According to RFC 3986, URLs can not contain non-ASCII characters; however this is not # always respected by websites: some tend to give out URLs with non percent-encoded # non-ASCII characters (see telemb.py, ard.py [#3412]) # urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991) # To work around aforementioned issue we will replace request's original URL with # percent-encoded one # Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09) # the code of this workaround has been moved here from YoutubeDL.urlopen() url_escaped = escape_url(url_fixed) # Substitute URL if any change after escaping if url != url_escaped: req = update_Request(req, url=url_escaped) for h, v in std_headers.items(): # Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275 # The dict keys are capitalized because of this bug by urllib if h.capitalize() not in req.headers: req.add_header(h, v) # Similarly, 'Accept-encoding' if 'Accept-encoding' not in req.headers: req.add_header( 'Accept-Encoding', join_nonempty( 'gzip', 'deflate', brotli and 'br', ncompress and 'compress', delim=', ')) req.headers = handle_youtubedl_headers(req.headers) if sys.version_info < (2, 7): # avoid possible race where __r_type may be unset req.get_type() if '#' in req.get_full_url(): # Python 2.6 is brain-dead when it comes to fragments req._Request__original = req._Request__original.partition('#')[0] req._Request__r_type = req._Request__r_type.partition('#')[0] # Use the totally undocumented AbstractHTTPHandler per # https://github.com/yt-dlp/yt-dlp/pull/4158 return compat_urllib_request.AbstractHTTPHandler.do_request_(self, req) def http_response(self, req, resp): old_resp = resp # Content-Encoding header lists the encodings in order that they were applied [1]. # To decompress, we simply do the reverse. # [1]: https://datatracker.ietf.org/doc/html/rfc9110#name-content-encoding decoded_response = None decoders = { 'gzip': self.deflate_gz, 'deflate': self.deflate_gz, } if brotli: decoders['br'] = self.brotli if ncompress: decoders['compress'] = self.compress if sys.platform.startswith('java'): # Jython zlib implementation misses gzip decoders['gzip'] = self.gzip def encodings(hdrs): # A header field that allows multiple values can have multiple instances [2]. # [2]: https://datatracker.ietf.org/doc/html/rfc9110#name-fields for e in reversed(','.join(hdrs).split(',')): if e: yield e.strip() encodings_left = [] try: resp.headers.get_all hdrs = resp.headers except AttributeError: # Py2 has no get_all() method: headers are rfc822.Message from email.message import Message hdrs = Message() for k, v in resp.headers.items(): hdrs[k] = v decoder, decoded_response = True, None for encoding in encodings(hdrs.get_all('Content-Encoding', [])): # "SHOULD consider" x-compress, x-gzip as compress, gzip decoder = decoder and decoders.get(remove_start(encoding, 'x-')) if not decoder: encodings_left.insert(0, encoding) continue decoded_response = decoder(decoded_response or resp.read()) if decoded_response is not None: resp = compat_urllib_request.addinfourl( io.BytesIO(decoded_response), old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg del resp.headers['Content-Length'] resp.headers['Content-Length'] = '%d' % len(decoded_response) del resp.headers['Content-Encoding'] if encodings_left: resp.headers['Content-Encoding'] = ', '.join(encodings_left) # Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see # https://github.com/ytdl-org/youtube-dl/issues/6457). if 300 <= resp.code < 400: location = resp.headers.get('Location') if location: # As of RFC 2616 default charset is iso-8859-1 that is respected by python 3 if sys.version_info >= (3, 0): location = location.encode('iso-8859-1') location = location.decode('utf-8') # resolve embedded . and .. location_fixed = self._fix_path(location) location_escaped = escape_url(location_fixed) if location != location_escaped: del resp.headers['Location'] if not isinstance(location_escaped, str): # Py 2 case location_escaped = location_escaped.encode('utf-8') resp.headers['Location'] = location_escaped return resp https_request = http_request https_response = http_response def make_socks_conn_class(base_class, socks_proxy): assert issubclass(base_class, ( compat_http_client.HTTPConnection, compat_http_client.HTTPSConnection)) url_components = compat_urllib_parse.urlparse(socks_proxy) if url_components.scheme.lower() == 'socks5': socks_type = ProxyType.SOCKS5 elif url_components.scheme.lower() in ('socks', 'socks4'): socks_type = ProxyType.SOCKS4 elif url_components.scheme.lower() == 'socks4a': socks_type = ProxyType.SOCKS4A def unquote_if_non_empty(s): if not s: return s return compat_urllib_parse_unquote_plus(s) proxy_args = ( socks_type, url_components.hostname, url_components.port or 1080, True, # Remote DNS unquote_if_non_empty(url_components.username), unquote_if_non_empty(url_components.password), ) class SocksConnection(base_class): def connect(self): self.sock = sockssocket() self.sock.setproxy(*proxy_args) if type(self.timeout) in (int, float): self.sock.settimeout(self.timeout) self.sock.connect((self.host, self.port)) if isinstance(self, compat_http_client.HTTPSConnection): if hasattr(self, '_context'): # Python > 2.6 self.sock = self._context.wrap_socket( self.sock, server_hostname=self.host) else: self.sock = ssl.wrap_socket(self.sock) return SocksConnection class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler): def __init__(self, params, https_conn_class=None, *args, **kwargs): compat_urllib_request.HTTPSHandler.__init__(self, *args, **kwargs) self._https_conn_class = https_conn_class or compat_http_client.HTTPSConnection self._params = params def https_open(self, req): kwargs = {} conn_class = self._https_conn_class if hasattr(self, '_context'): # python > 2.6 kwargs['context'] = self._context if hasattr(self, '_check_hostname'): # python 3.x kwargs['check_hostname'] = self._check_hostname socks_proxy = req.headers.get('Ytdl-socks-proxy') if socks_proxy: conn_class = make_socks_conn_class(conn_class, socks_proxy) del req.headers['Ytdl-socks-proxy'] return self.do_open(functools.partial( _create_http_connection, self, conn_class, True), req, **kwargs) class YoutubeDLCookieJar(compat_cookiejar.MozillaCookieJar): """ See [1] for cookie file format. 1. https://curl.haxx.se/docs/http-cookies.html """ _HTTPONLY_PREFIX = '#HttpOnly_' _ENTRY_LEN = 7 _HEADER = '''# Netscape HTTP Cookie File # This file is generated by youtube-dl. Do not edit. ''' _CookieFileEntry = collections.namedtuple( 'CookieFileEntry', ('domain_name', 'include_subdomains', 'path', 'https_only', 'expires_at', 'name', 'value')) def save(self, filename=None, ignore_discard=False, ignore_expires=False): """ Save cookies to a file. Most of the code is taken from CPython 3.8 and slightly adapted to support cookie files with UTF-8 in both python 2 and 3. """ if filename is None: if self.filename is not None: filename = self.filename else: raise ValueError(compat_cookiejar.MISSING_FILENAME_TEXT) # Store session cookies with `expires` set to 0 instead of an empty # string for cookie in self: if cookie.expires is None: cookie.expires = 0 with io.open(filename, 'w', encoding='utf-8') as f: f.write(self._HEADER) now = time.time() for cookie in self: if not ignore_discard and cookie.discard: continue if not ignore_expires and cookie.is_expired(now): continue if cookie.secure: secure = 'TRUE' else: secure = 'FALSE' if cookie.domain.startswith('.'): initial_dot = 'TRUE' else: initial_dot = 'FALSE' if cookie.expires is not None: expires = compat_str(cookie.expires) else: expires = '' if cookie.value is None: # cookies.txt regards 'Set-Cookie: foo' as a cookie # with no name, whereas http.cookiejar regards it as a # cookie with no value. name = '' value = cookie.name else: name = cookie.name value = cookie.value f.write( '\t'.join([cookie.domain, initial_dot, cookie.path, secure, expires, name, value]) + '\n') def load(self, filename=None, ignore_discard=False, ignore_expires=False): """Load cookies from a file.""" if filename is None: if self.filename is not None: filename = self.filename else: raise ValueError(compat_cookiejar.MISSING_FILENAME_TEXT) def prepare_line(line): if line.startswith(self._HTTPONLY_PREFIX): line = line[len(self._HTTPONLY_PREFIX):] # comments and empty lines are fine if line.startswith('#') or not line.strip(): return line cookie_list = line.split('\t') if len(cookie_list) != self._ENTRY_LEN: raise compat_cookiejar.LoadError('invalid length %d' % len(cookie_list)) cookie = self._CookieFileEntry(*cookie_list) if cookie.expires_at and not cookie.expires_at.isdigit(): raise compat_cookiejar.LoadError('invalid expires at %s' % cookie.expires_at) return line cf = io.StringIO() with io.open(filename, encoding='utf-8') as f: for line in f: try: cf.write(prepare_line(line)) except compat_cookiejar.LoadError as e: write_string( 'WARNING: skipping cookie file entry due to %s: %r\n' % (e, line), sys.stderr) continue cf.seek(0) self._really_load(cf, filename, ignore_discard, ignore_expires) # Session cookies are denoted by either `expires` field set to # an empty string or 0. MozillaCookieJar only recognizes the former # (see [1]). So we need force the latter to be recognized as session # cookies on our own. # Session cookies may be important for cookies-based authentication, # e.g. usually, when user does not check 'Remember me' check box while # logging in on a site, some important cookies are stored as session # cookies so that not recognizing them will result in failed login. # 1. https://bugs.python.org/issue17164 for cookie in self: # Treat `expires=0` cookies as session cookies if cookie.expires == 0: cookie.expires = None cookie.discard = True def get_cookie_header(self, url): """Generate a Cookie HTTP header for a given url""" cookie_req = sanitized_Request(url) self.add_cookie_header(cookie_req) return cookie_req.get_header('Cookie') def get_cookies_for_url(self, url): """Generate a list of Cookie objects for a given url""" # Policy `_now` attribute must be set before calling `_cookies_for_request` # Ref: https://github.com/python/cpython/blob/3.7/Lib/http/cookiejar.py#L1360 self._policy._now = self._now = int(time.time()) return self._cookies_for_request(sanitized_Request(url)) class YoutubeDLCookieProcessor(compat_urllib_request.HTTPCookieProcessor): def __init__(self, cookiejar=None): compat_urllib_request.HTTPCookieProcessor.__init__(self, cookiejar) def http_response(self, request, response): # Python 2 will choke on next HTTP request in row if there are non-ASCII # characters in Set-Cookie HTTP header of last response (see # https://github.com/ytdl-org/youtube-dl/issues/6769). # In order to at least prevent crashing we will percent encode Set-Cookie # header before HTTPCookieProcessor starts processing it. # if sys.version_info < (3, 0) and response.headers: # for set_cookie_header in ('Set-Cookie', 'Set-Cookie2'): # set_cookie = response.headers.get(set_cookie_header) # if set_cookie: # set_cookie_escaped = compat_urllib_parse.quote(set_cookie, b"%/;:@&=+$,!~*'()?#[] ") # if set_cookie != set_cookie_escaped: # del response.headers[set_cookie_header] # response.headers[set_cookie_header] = set_cookie_escaped return compat_urllib_request.HTTPCookieProcessor.http_response(self, request, response) https_request = compat_urllib_request.HTTPCookieProcessor.http_request https_response = http_response class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler): """YoutubeDL redirect handler The code is based on HTTPRedirectHandler implementation from CPython [1]. This redirect handler fixes and improves the logic to better align with RFC7261 and what browsers tend to do [2][3] 1. https://github.com/python/cpython/blob/master/Lib/urllib/request.py 2. https://datatracker.ietf.org/doc/html/rfc7231 3. https://github.com/python/cpython/issues/91306 """ # Supply possibly missing alias http_error_308 = compat_urllib_request.HTTPRedirectHandler.http_error_302 def redirect_request(self, req, fp, code, msg, headers, newurl): """Return a Request or None in response to a redirect. This is called by the http_error_30x methods when a redirection response is received. If a redirection should take place, return a new Request to allow http_error_30x to perform the redirect. Otherwise, raise HTTPError if no-one else should try to handle this url. Return None if you can't but another Handler might. """ if code not in (301, 302, 303, 307, 308): raise compat_urllib_HTTPError(req.full_url, code, msg, headers, fp) new_method = req.get_method() new_data = req.data # On python 2 urlh.geturl() may sometimes return redirect URL # as a byte string instead of unicode. This workaround forces # it to return unicode. newurl = _decode_compat_str(newurl) # Be conciliant with URIs containing a space. This is mainly # redundant with the more complete encoding done in http_error_302(), # but it is kept for compatibility with other callers. newurl = newurl.replace(' ', '%20') # Technically the Cookie header should be in unredirected_hdrs; # however in practice some may set it in normal headers anyway. # We will remove it here to prevent any leaks. remove_headers = ['Cookie'] # A 303 must either use GET or HEAD for subsequent request # https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.4 if code == 303 and req.get_method() != 'HEAD': new_method = 'GET' # 301 and 302 redirects are commonly turned into a GET from a POST # for subsequent requests by browsers, so we'll do the same. # https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.2 # https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.3 elif code in (301, 302) and req.get_method() == 'POST': new_method = 'GET' # only remove payload if method changed (e.g. POST to GET) if new_method != req.get_method(): new_data = None remove_headers.extend(['Content-Length', 'Content-Type']) new_headers = filter_dict(req.headers, cndn=lambda k, _: k.title() not in remove_headers) return compat_urllib_request.Request( newurl, headers=new_headers, origin_req_host=req.origin_req_host, unverifiable=True, method=new_method, data=new_data) def extract_timezone(date_str): m = re.search( r'''(?x) ^.{8,}? # >=8 char non-TZ prefix, if present (?P<tz>Z| # just the UTC Z, or (?:(?<=.\b\d{4}|\b\d{2}:\d\d)| # preceded by 4 digits or hh:mm or (?<!.\b[a-zA-Z]{3}|[a-zA-Z]{4}|..\b\d\d)) # not preceded by 3 alpha word or >= 4 alpha or 2 digits [ ]? # optional space (?P<sign>\+|-) # +/- (?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2}) # hh[:]mm $) ''', date_str) if not m: m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P<tz>\s*[A-Z]+)$', date_str) timezone = TIMEZONE_NAMES.get(m and m.group('tz').strip()) if timezone is not None: date_str = date_str[:-len(m.group('tz'))] timezone = datetime.timedelta(hours=timezone or 0) else: date_str = date_str[:-len(m.group('tz'))] if not m.group('sign'): timezone = datetime.timedelta() else: sign = 1 if m.group('sign') == '+' else -1 timezone = datetime.timedelta( hours=sign * int(m.group('hours')), minutes=sign * int(m.group('minutes'))) return timezone, date_str def parse_iso8601(date_str, delimiter='T', timezone=None): """ Return a UNIX timestamp from the given date """ if date_str is None: return None date_str = re.sub(r'\.[0-9]+', '', date_str) if timezone is None: timezone, date_str = extract_timezone(date_str) with compat_contextlib_suppress(ValueError): date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter) dt = datetime.datetime.strptime(date_str, date_format) - timezone return calendar.timegm(dt.timetuple()) def date_formats(day_first=True): return DATE_FORMATS_DAY_FIRST if day_first else DATE_FORMATS_MONTH_FIRST def unified_strdate(date_str, day_first=True): """Return a string with the date in the format YYYYMMDD""" if date_str is None: return None upload_date = None # Replace commas date_str = date_str.replace(',', ' ') # Remove AM/PM + timezone date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str) _, date_str = extract_timezone(date_str) for expression in date_formats(day_first): with compat_contextlib_suppress(ValueError): upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d') if upload_date is None: timetuple = email.utils.parsedate_tz(date_str) if timetuple: with compat_contextlib_suppress(ValueError): upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d') if upload_date is not None: return compat_str(upload_date) def unified_timestamp(date_str, day_first=True): if date_str is None: return None date_str = re.sub(r'\s+', ' ', re.sub( r'(?i)[,|]|(mon|tues?|wed(nes)?|thu(rs)?|fri|sat(ur)?)(day)?', '', date_str)) pm_delta = 12 if re.search(r'(?i)PM', date_str) else 0 timezone, date_str = extract_timezone(date_str) # Remove AM/PM + timezone date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str) # Remove unrecognized timezones from ISO 8601 alike timestamps m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P<tz>\s*[A-Z]+)$', date_str) if m: date_str = date_str[:-len(m.group('tz'))] # Python only supports microseconds, so remove nanoseconds m = re.search(r'^([0-9]{4,}-[0-9]{1,2}-[0-9]{1,2}T[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}\.[0-9]{6})[0-9]+$', date_str) if m: date_str = m.group(1) for expression in date_formats(day_first): with compat_contextlib_suppress(ValueError): dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta) return calendar.timegm(dt.timetuple()) timetuple = email.utils.parsedate_tz(date_str) if timetuple: return calendar.timegm(timetuple) + pm_delta * 3600 - compat_datetime_timedelta_total_seconds(timezone) def determine_ext(url, default_ext='unknown_video'): if url is None or '.' not in url: return default_ext guess = url.partition('?')[0].rpartition('.')[2] if re.match(r'^[A-Za-z0-9]+$', guess): return guess # Try extract ext from URLs like http://example.com/foo/bar.mp4/?download elif guess.rstrip('/') in KNOWN_EXTENSIONS: return guess.rstrip('/') else: return default_ext def subtitles_filename(filename, sub_lang, sub_format, expected_real_ext=None): return replace_extension(filename, sub_lang + '.' + sub_format, expected_real_ext) def date_from_str(date_str): """ Return a datetime object from a string in the format YYYYMMDD or (now|today)[+-][0-9](day|week|month|year)(s)?""" today = datetime.date.today() if date_str in ('now', 'today'): return today if date_str == 'yesterday': return today - datetime.timedelta(days=1) match = re.match(r'(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str) if match is not None: sign = match.group('sign') time = int(match.group('time')) if sign == '-': time = -time unit = match.group('unit') # A bad approximation? if unit == 'month': unit = 'day' time *= 30 elif unit == 'year': unit = 'day' time *= 365 unit += 's' delta = datetime.timedelta(**{unit: time}) return today + delta return datetime.datetime.strptime(date_str, '%Y%m%d').date() def hyphenate_date(date_str): """ Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format""" match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', date_str) if match is not None: return '-'.join(match.groups()) else: return date_str class DateRange(object): """Represents a time interval between two dates""" def __init__(self, start=None, end=None): """start and end must be strings in the format accepted by date""" if start is not None: self.start = date_from_str(start) else: self.start = datetime.datetime.min.date() if end is not None: self.end = date_from_str(end) else: self.end = datetime.datetime.max.date() if self.start > self.end: raise ValueError('Date range: "%s" , the start date must be before the end date' % self) @classmethod def day(cls, day): """Returns a range that only contains the given day""" return cls(day, day) def __contains__(self, date): """Check if the date is in the range""" if not isinstance(date, datetime.date): date = date_from_str(date) return self.start <= date <= self.end def __str__(self): return '%s - %s' % (self.start.isoformat(), self.end.isoformat()) def __eq__(self, other): return (isinstance(other, DateRange) and self.start == other.start and self.end == other.end) def platform_name(): """ Returns the platform name as a compat_str """ res = platform.platform() return _decode_compat_str(res) def _windows_write_string(s, out): """ Returns True if the string was written using special methods, False if it has yet to be written out.""" # Adapted from http://stackoverflow.com/a/3259271/35070 import ctypes import ctypes.wintypes WIN_OUTPUT_IDS = { 1: -11, 2: -12, } try: fileno = out.fileno() except AttributeError: # If the output stream doesn't have a fileno, it's virtual return False except io.UnsupportedOperation: # Some strange Windows pseudo files? return False if fileno not in WIN_OUTPUT_IDS: return False GetStdHandle = compat_ctypes_WINFUNCTYPE( ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)( ('GetStdHandle', ctypes.windll.kernel32)) h = GetStdHandle(WIN_OUTPUT_IDS[fileno]) WriteConsoleW = compat_ctypes_WINFUNCTYPE( ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR, ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD), ctypes.wintypes.LPVOID)(('WriteConsoleW', ctypes.windll.kernel32)) written = ctypes.wintypes.DWORD(0) GetFileType = compat_ctypes_WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)(('GetFileType', ctypes.windll.kernel32)) FILE_TYPE_CHAR = 0x0002 FILE_TYPE_REMOTE = 0x8000 GetConsoleMode = compat_ctypes_WINFUNCTYPE( ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.POINTER(ctypes.wintypes.DWORD))( ('GetConsoleMode', ctypes.windll.kernel32)) INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value def not_a_console(handle): if handle == INVALID_HANDLE_VALUE or handle is None: return True return ((GetFileType(handle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR or GetConsoleMode(handle, ctypes.byref(ctypes.wintypes.DWORD())) == 0) if not_a_console(h): return False def next_nonbmp_pos(s): try: return next(i for i, c in enumerate(s) if ord(c) > 0xffff) except StopIteration: return len(s) while s: count = min(next_nonbmp_pos(s), 1024) ret = WriteConsoleW( h, s, count if count else 2, ctypes.byref(written), None) if ret == 0: raise OSError('Failed to write string') if not count: # We just wrote a non-BMP character assert written.value == 2 s = s[1:] else: assert written.value > 0 s = s[written.value:] return True def write_string(s, out=None, encoding=None): if out is None: out = sys.stderr assert isinstance(s, compat_str) if sys.platform == 'win32' and encoding is None and hasattr(out, 'fileno'): if _windows_write_string(s, out): return if ('b' in getattr(out, 'mode', '') or sys.version_info[0] < 3): # Python 2 lies about mode of sys.stderr byt = s.encode(encoding or preferredencoding(), 'ignore') out.write(byt) elif hasattr(out, 'buffer'): enc = encoding or getattr(out, 'encoding', None) or preferredencoding() byt = s.encode(enc, 'ignore') out.buffer.write(byt) else: out.write(s) out.flush() def bytes_to_intlist(bs): if not bs: return [] if isinstance(bs[0], int): # Python 3 return list(bs) else: return [ord(c) for c in bs] def intlist_to_bytes(xs): if not xs: return b'' return compat_struct_pack('%dB' % len(xs), *xs) # Cross-platform file locking if sys.platform == 'win32': import ctypes.wintypes import msvcrt class OVERLAPPED(ctypes.Structure): _fields_ = [ ('Internal', ctypes.wintypes.LPVOID), ('InternalHigh', ctypes.wintypes.LPVOID), ('Offset', ctypes.wintypes.DWORD), ('OffsetHigh', ctypes.wintypes.DWORD), ('hEvent', ctypes.wintypes.HANDLE), ] kernel32 = ctypes.windll.kernel32 LockFileEx = kernel32.LockFileEx LockFileEx.argtypes = [ ctypes.wintypes.HANDLE, # hFile ctypes.wintypes.DWORD, # dwFlags ctypes.wintypes.DWORD, # dwReserved ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh ctypes.POINTER(OVERLAPPED) # Overlapped ] LockFileEx.restype = ctypes.wintypes.BOOL UnlockFileEx = kernel32.UnlockFileEx UnlockFileEx.argtypes = [ ctypes.wintypes.HANDLE, # hFile ctypes.wintypes.DWORD, # dwReserved ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh ctypes.POINTER(OVERLAPPED) # Overlapped ] UnlockFileEx.restype = ctypes.wintypes.BOOL whole_low = 0xffffffff whole_high = 0x7fffffff def _lock_file(f, exclusive): overlapped = OVERLAPPED() overlapped.Offset = 0 overlapped.OffsetHigh = 0 overlapped.hEvent = 0 f._lock_file_overlapped_p = ctypes.pointer(overlapped) handle = msvcrt.get_osfhandle(f.fileno()) if not LockFileEx(handle, 0x2 if exclusive else 0x0, 0, whole_low, whole_high, f._lock_file_overlapped_p): raise OSError('Locking file failed: %r' % ctypes.FormatError()) def _unlock_file(f): assert f._lock_file_overlapped_p handle = msvcrt.get_osfhandle(f.fileno()) if not UnlockFileEx(handle, 0, whole_low, whole_high, f._lock_file_overlapped_p): raise OSError('Unlocking file failed: %r' % ctypes.FormatError()) else: # Some platforms, such as Jython, is missing fcntl try: import fcntl def _lock_file(f, exclusive): fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH) def _unlock_file(f): fcntl.flock(f, fcntl.LOCK_UN) except ImportError: UNSUPPORTED_MSG = 'file locking is not supported on this platform' def _lock_file(f, exclusive): raise IOError(UNSUPPORTED_MSG) def _unlock_file(f): raise IOError(UNSUPPORTED_MSG) class locked_file(object): def __init__(self, filename, mode, encoding=None): assert mode in ['r', 'a', 'w'] self.f = io.open(filename, mode, encoding=encoding) self.mode = mode def __enter__(self): exclusive = self.mode != 'r' try: _lock_file(self.f, exclusive) except IOError: self.f.close() raise return self def __exit__(self, etype, value, traceback): try: _unlock_file(self.f) finally: self.f.close() def __iter__(self): return iter(self.f) def write(self, *args): return self.f.write(*args) def read(self, *args): return self.f.read(*args) def get_filesystem_encoding(): encoding = sys.getfilesystemencoding() return encoding if encoding is not None else 'utf-8' def shell_quote(args): quoted_args = [] encoding = get_filesystem_encoding() for a in args: # We may get a filename encoded with 'encodeFilename' a = _decode_compat_str(a, encoding) quoted_args.append(compat_shlex_quote(a)) return ' '.join(quoted_args) def smuggle_url(url, data): """ Pass additional data in a URL for internal use. """ url, idata = unsmuggle_url(url, {}) data.update(idata) sdata = compat_urllib_parse_urlencode( {'__youtubedl_smuggle': json.dumps(data)}) return url + '#' + sdata def unsmuggle_url(smug_url, default=None): if '#__youtubedl_smuggle' not in smug_url: return smug_url, default url, _, sdata = smug_url.rpartition('#') jsond = compat_parse_qs(sdata)['__youtubedl_smuggle'][0] data = json.loads(jsond) return url, data def format_bytes(bytes): if bytes is None: return 'N/A' if type(bytes) is str: bytes = float(bytes) if bytes == 0.0: exponent = 0 else: exponent = int(math.log(bytes, 1024.0)) suffix = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'][exponent] converted = float(bytes) / float(1024 ** exponent) return '%.2f%s' % (converted, suffix) def lookup_unit_table(unit_table, s): 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) if not m: return None num_str = m.group('num').replace(',', '.') mult = unit_table[m.group('unit')] return int(float(num_str) * mult) def parse_filesize(s): if s is None: return None # The lower-case forms are of course incorrect and unofficial, # but we support those too _UNIT_TABLE = { 'B': 1, 'b': 1, 'bytes': 1, 'KiB': 1024, 'KB': 1000, 'kB': 1024, 'Kb': 1000, 'kb': 1000, 'kilobytes': 1000, 'kibibytes': 1024, 'MiB': 1024 ** 2, 'MB': 1000 ** 2, 'mB': 1024 ** 2, 'Mb': 1000 ** 2, 'mb': 1000 ** 2, 'megabytes': 1000 ** 2, 'mebibytes': 1024 ** 2, 'GiB': 1024 ** 3, 'GB': 1000 ** 3, 'gB': 1024 ** 3, 'Gb': 1000 ** 3, 'gb': 1000 ** 3, 'gigabytes': 1000 ** 3, 'gibibytes': 1024 ** 3, 'TiB': 1024 ** 4, 'TB': 1000 ** 4, 'tB': 1024 ** 4, 'Tb': 1000 ** 4, 'tb': 1000 ** 4, 'terabytes': 1000 ** 4, 'tebibytes': 1024 ** 4, 'PiB': 1024 ** 5, 'PB': 1000 ** 5, 'pB': 1024 ** 5, 'Pb': 1000 ** 5, 'pb': 1000 ** 5, 'petabytes': 1000 ** 5, 'pebibytes': 1024 ** 5, 'EiB': 1024 ** 6, 'EB': 1000 ** 6, 'eB': 1024 ** 6, 'Eb': 1000 ** 6, 'eb': 1000 ** 6, 'exabytes': 1000 ** 6, 'exbibytes': 1024 ** 6, 'ZiB': 1024 ** 7, 'ZB': 1000 ** 7, 'zB': 1024 ** 7, 'Zb': 1000 ** 7, 'zb': 1000 ** 7, 'zettabytes': 1000 ** 7, 'zebibytes': 1024 ** 7, 'YiB': 1024 ** 8, 'YB': 1000 ** 8, 'yB': 1024 ** 8, 'Yb': 1000 ** 8, 'yb': 1000 ** 8, 'yottabytes': 1000 ** 8, 'yobibytes': 1024 ** 8, } return lookup_unit_table(_UNIT_TABLE, s) def parse_count(s): if s is None: return None s = s.strip() if re.match(r'^[\d,.]+$', s): return str_to_int(s) _UNIT_TABLE = { 'k': 1000, 'K': 1000, 'm': 1000 ** 2, 'M': 1000 ** 2, 'kk': 1000 ** 2, 'KK': 1000 ** 2, } return lookup_unit_table(_UNIT_TABLE, s) def parse_resolution(s): if s is None: return {} mobj = re.search(r'\b(?P<w>\d+)\s*[xX×]\s*(?P<h>\d+)\b', s) if mobj: return { 'width': int(mobj.group('w')), 'height': int(mobj.group('h')), } mobj = re.search(r'\b(\d+)[pPiI]\b', s) if mobj: return {'height': int(mobj.group(1))} mobj = re.search(r'\b([48])[kK]\b', s) if mobj: return {'height': int(mobj.group(1)) * 540} return {} def parse_bitrate(s): s = txt_or_none(s) if not s: return None mobj = re.search(r'\b(\d+)\s*kbps', s) if mobj: return int(mobj.group(1)) def month_by_name(name, lang='en'): """ Return the number of a month by (locale-independently) English name """ month_names = MONTH_NAMES.get(lang, MONTH_NAMES['en']) try: return month_names.index(name) + 1 except ValueError: return None def month_by_abbreviation(abbrev): """ Return the number of a month by (locale-independently) English abbreviations """ try: return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1 except ValueError: return None def fix_xml_ampersands(xml_str): """Replace all the '&' by '&' in XML""" return re.sub( r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)', '&', xml_str) def setproctitle(title): assert isinstance(title, compat_str) # ctypes in Jython is not complete # http://bugs.jython.org/issue2148 if sys.platform.startswith('java'): return try: libc = ctypes.cdll.LoadLibrary('libc.so.6') except OSError: return except TypeError: # LoadLibrary in Windows Python 2.7.13 only expects # a bytestring, but since unicode_literals turns # every string into a unicode string, it fails. return title_bytes = title.encode('utf-8') buf = ctypes.create_string_buffer(len(title_bytes)) buf.value = title_bytes try: libc.prctl(15, buf, 0, 0, 0) except AttributeError: return # Strange libc, just skip this def remove_start(s, start): return s[len(start):] if s is not None and s.startswith(start) else s def remove_end(s, end): return s[:-len(end)] if s is not None and s.endswith(end) else s def remove_quotes(s): if s is None or len(s) < 2: return s for quote in ('"', "'", ): if s[0] == quote and s[-1] == quote: return s[1:-1] return s def url_basename(url): path = compat_urllib_parse.urlparse(url).path return path.strip('/').split('/')[-1] def base_url(url): return re.match(r'https?://[^?#&]+/', url).group() def urljoin(base, path): path = _decode_compat_str(path, encoding='utf-8', or_none=True) if not path: return None if re.match(r'^(?:[a-zA-Z][a-zA-Z0-9+-.]*:)?//', path): return path base = _decode_compat_str(base, encoding='utf-8', or_none=True) if not base: return None return ( re.match(r'^(?:https?:)?//', base) and compat_urllib_parse.urljoin(base, path)) class HEADRequest(compat_urllib_request.Request): def get_method(self): return 'HEAD' class PUTRequest(compat_urllib_request.Request): def get_method(self): return 'PUT' def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1, base=None): if get_attr: if v is not None: v = getattr(v, get_attr, None) if v in (None, ''): return default try: # like int, raise if base is specified and v is not a string return (int(v) if base is None else int(v, base=base)) * invscale // scale except (ValueError, TypeError, OverflowError): return default def str_or_none(v, default=None): return default if v is None else compat_str(v) def str_to_int(int_str): """ A more relaxed version of int_or_none """ if isinstance(int_str, compat_integer_types): return int_str elif isinstance(int_str, compat_str): int_str = re.sub(r'[,\.\+]', '', int_str) return int_or_none(int_str) def float_or_none(v, scale=1, invscale=1, default=None): if v is None: return default try: return float(v) * invscale / scale except (ValueError, TypeError): return default def bool_or_none(v, default=None): return v if isinstance(v, bool) else default def strip_or_none(v, default=None): return v.strip() if isinstance(v, compat_str) else default def txt_or_none(v, default=None): """ Combine str/strip_or_none, disallow blank value (for traverse_obj) """ return default if v is None else (compat_str(v).strip() or default) def url_or_none(url): if not url or not isinstance(url, compat_str): return None url = url.strip() return url if re.match(r'^(?:(?:https?|rt(?:m(?:pt?[es]?|fp)|sp[su]?)|mms|ftps?):)?//', url) else None def parse_duration(s): if not isinstance(s, compat_basestring): return None s = s.strip() days, hours, mins, secs, ms = [None] * 5 m = re.match(r'(?:(?:(?:(?P<days>[0-9]+):)?(?P<hours>[0-9]+):)?(?P<mins>[0-9]+):)?(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?Z?$', s) if m: days, hours, mins, secs, ms = m.groups() else: m = re.match( r'''(?ix)(?:P? (?: [0-9]+\s*y(?:ears?)?\s* )? (?: [0-9]+\s*m(?:onths?)?\s* )? (?: [0-9]+\s*w(?:eeks?)?\s* )? (?: (?P<days>[0-9]+)\s*d(?:ays?)?\s* )? T)? (?: (?P<hours>[0-9]+)\s*h(?:ours?)?\s* )? (?: (?P<mins>[0-9]+)\s*m(?:in(?:ute)?s?)?\s* )? (?: (?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*s(?:ec(?:ond)?s?)?\s* )?Z?$''', s) if m: days, hours, mins, secs, ms = m.groups() else: m = re.match(r'(?i)(?:(?P<hours>[0-9.]+)\s*(?:hours?)|(?P<mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*)Z?$', s) if m: hours, mins = m.groups() else: return None duration = 0 if secs: duration += float(secs) if mins: duration += float(mins) * 60 if hours: duration += float(hours) * 60 * 60 if days: duration += float(days) * 24 * 60 * 60 if ms: duration += float(ms) return duration def _change_extension(prepend, filename, ext, expected_real_ext=None): name, real_ext = os.path.splitext(filename) sanitize_extension = _UnsafeExtensionError.sanitize_extension if not expected_real_ext or real_ext.partition('.')[0::2] == ('', expected_real_ext): filename = name if prepend and real_ext: sanitize_extension(ext, prepend=prepend) return ''.join((filename, '.', ext, real_ext)) # Mitigate path traversal and file impersonation attacks return '.'.join((filename, sanitize_extension(ext))) prepend_extension = functools.partial(_change_extension, True) replace_extension = functools.partial(_change_extension, False) def check_executable(exe, args=[]): """ Checks if the given binary is installed somewhere in PATH, and returns its name. args can be a list of arguments for a short output (like -version) """ try: process_communicate_or_kill(subprocess.Popen( [exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)) except OSError: return False return exe def get_exe_version(exe, args=['--version'], version_re=None, unrecognized='present'): """ Returns the version of the specified executable, or False if the executable is not present """ try: # STDIN should be redirected too. On UNIX-like systems, ffmpeg triggers # SIGTTOU if youtube-dl is run in the background. # See https://github.com/ytdl-org/youtube-dl/issues/955#issuecomment-209789656 out, _ = process_communicate_or_kill(subprocess.Popen( [encodeArgument(exe)] + args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)) except OSError: return False out = _decode_compat_str(out, 'ascii', 'ignore') return detect_exe_version(out, version_re, unrecognized) def detect_exe_version(output, version_re=None, unrecognized='present'): assert isinstance(output, compat_str) if version_re is None: version_re = r'version\s+([-0-9._a-zA-Z]+)' m = re.search(version_re, output) if m: return m.group(1) else: return unrecognized class LazyList(compat_collections_abc.Iterable): """Lazy immutable list from an iterable Note that slices of a LazyList are lists and not LazyList""" class IndexError(IndexError): def __init__(self, cause=None): if cause: # reproduce `raise from` self.__cause__ = cause super(IndexError, self).__init__() def __init__(self, iterable, **kwargs): # kwarg-only reverse = kwargs.get('reverse', False) _cache = kwargs.get('_cache') self._iterable = iter(iterable) self._cache = [] if _cache is None else _cache self._reversed = reverse def __iter__(self): if self._reversed: # We need to consume the entire iterable to iterate in reverse for item in self.exhaust(): yield item return for item in self._cache: yield item for item in self._iterable: self._cache.append(item) yield item def _exhaust(self): self._cache.extend(self._iterable) self._iterable = [] # Discard the emptied iterable to make it pickle-able return self._cache def exhaust(self): """Evaluate the entire iterable""" return self._exhaust()[::-1 if self._reversed else 1] @staticmethod def _reverse_index(x): return None if x is None else ~x def __getitem__(self, idx): if isinstance(idx, slice): if self._reversed: idx = slice(self._reverse_index(idx.start), self._reverse_index(idx.stop), -(idx.step or 1)) start, stop, step = idx.start, idx.stop, idx.step or 1 elif isinstance(idx, int): if self._reversed: idx = self._reverse_index(idx) start, stop, step = idx, idx, 0 else: raise TypeError('indices must be integers or slices') if ((start or 0) < 0 or (stop or 0) < 0 or (start is None and step < 0) or (stop is None and step > 0)): # We need to consume the entire iterable to be able to slice from the end # Obviously, never use this with infinite iterables self._exhaust() try: return self._cache[idx] except IndexError as e: raise self.IndexError(e) n = max(start or 0, stop or 0) - len(self._cache) + 1 if n > 0: self._cache.extend(itertools.islice(self._iterable, n)) try: return self._cache[idx] except IndexError as e: raise self.IndexError(e) def __bool__(self): try: self[-1] if self._reversed else self[0] except self.IndexError: return False return True def __len__(self): self._exhaust() return len(self._cache) def __reversed__(self): return type(self)(self._iterable, reverse=not self._reversed, _cache=self._cache) def __copy__(self): return type(self)(self._iterable, reverse=self._reversed, _cache=self._cache) def __repr__(self): # repr and str should mimic a list. So we exhaust the iterable return repr(self.exhaust()) def __str__(self): return repr(self.exhaust()) class PagedList(object): def __len__(self): # This is only useful for tests return len(self.getslice()) class OnDemandPagedList(PagedList): def __init__(self, pagefunc, pagesize, use_cache=True): self._pagefunc = pagefunc self._pagesize = pagesize self._use_cache = use_cache if use_cache: self._cache = {} def getslice(self, start=0, end=None): res = [] for pagenum in itertools.count(start // self._pagesize): firstid = pagenum * self._pagesize nextfirstid = pagenum * self._pagesize + self._pagesize if start >= nextfirstid: continue page_results = None if self._use_cache: page_results = self._cache.get(pagenum) if page_results is None: page_results = list(self._pagefunc(pagenum)) if self._use_cache: self._cache[pagenum] = page_results startv = ( start % self._pagesize if firstid <= start < nextfirstid else 0) endv = ( ((end - 1) % self._pagesize) + 1 if (end is not None and firstid <= end <= nextfirstid) else None) if startv != 0 or endv is not None: page_results = page_results[startv:endv] res.extend(page_results) # A little optimization - if current page is not "full", ie. does # not contain page_size videos then we can assume that this page # is the last one - there are no more ids on further pages - # i.e. no need to query again. if len(page_results) + startv < self._pagesize: break # If we got the whole page, but the next page is not interesting, # break out early as well if end == nextfirstid: break return res class InAdvancePagedList(PagedList): def __init__(self, pagefunc, pagecount, pagesize): self._pagefunc = pagefunc self._pagecount = pagecount self._pagesize = pagesize def getslice(self, start=0, end=None): res = [] start_page = start // self._pagesize end_page = ( self._pagecount if end is None else (end // self._pagesize + 1)) skip_elems = start - start_page * self._pagesize only_more = None if end is None else end - start for pagenum in range(start_page, end_page): page = list(self._pagefunc(pagenum)) if skip_elems: page = page[skip_elems:] skip_elems = None if only_more is not None: if len(page) < only_more: only_more -= len(page) else: page = page[:only_more] res.extend(page) break res.extend(page) return res def uppercase_escape(s): unicode_escape = codecs.getdecoder('unicode_escape') return re.sub( r'\\U[0-9a-fA-F]{8}', lambda m: unicode_escape(m.group(0))[0], s) def lowercase_escape(s): unicode_escape = codecs.getdecoder('unicode_escape') return re.sub( r'\\u[0-9a-fA-F]{4}', lambda m: unicode_escape(m.group(0))[0], s) def escape_rfc3986(s): """Escape non-ASCII characters as suggested by RFC 3986""" if sys.version_info < (3, 0): s = _encode_compat_str(s, 'utf-8') # ensure unicode: after quoting, it can always be converted return compat_str(compat_urllib_parse.quote(s, b"%/;:@&=+$,!~*'()?#[]")) def escape_url(url): """Escape URL as suggested by RFC 3986""" url_parsed = compat_urllib_parse_urlparse(url) return url_parsed._replace( netloc=url_parsed.netloc.encode('idna').decode('ascii'), path=escape_rfc3986(url_parsed.path), params=escape_rfc3986(url_parsed.params), query=escape_rfc3986(url_parsed.query), fragment=escape_rfc3986(url_parsed.fragment) ).geturl() def parse_qs(url, **kwargs): return compat_parse_qs(compat_urllib_parse.urlparse(url).query, **kwargs) def read_batch_urls(batch_fd): def fixup(url): url = _decode_compat_str(url, 'utf-8', 'replace') BOM_UTF8 = '\xef\xbb\xbf' if url.startswith(BOM_UTF8): url = url[len(BOM_UTF8):] url = url.strip() if url.startswith(('#', ';', ']')): return False return url with contextlib.closing(batch_fd) as fd: return [url for url in map(fixup, fd) if url] def urlencode_postdata(*args, **kargs): return compat_urllib_parse_urlencode(*args, **kargs).encode('ascii') def update_url(url, **kwargs): """Replace URL components specified by kwargs url: compat_str or parsed URL tuple if query_update is in kwargs, update query with its value instead of replacing (overrides any `query`) NB: query_update expects parse_qs() format: [key: value_list, ...] returns: compat_str """ if not kwargs: return compat_urllib_parse.urlunparse(url) if isinstance(url, tuple) else url if not isinstance(url, tuple): url = compat_urllib_parse.urlparse(url) query = kwargs.pop('query_update', None) if query: qs = compat_parse_qs(url.query) qs.update(query) kwargs['query'] = compat_urllib_parse_urlencode(qs, True) kwargs = compat_kwargs(kwargs) return compat_urllib_parse.urlunparse(url._replace(**kwargs)) def update_url_query(url, query): return update_url(url, query_update=query) def update_Request(req, url=None, data=None, headers={}, query={}): req_headers = req.headers.copy() req_headers.update(headers) req_data = data if data is not None else req.data req_url = update_url_query(url or req.get_full_url(), query) req_type = {'HEAD': HEADRequest, 'PUT': PUTRequest}.get( req.get_method(), compat_urllib_request.Request) new_req = req_type( req_url, data=req_data, headers=req_headers, origin_req_host=req.origin_req_host, unverifiable=req.unverifiable) if hasattr(req, 'timeout'): new_req.timeout = req.timeout return new_req def _multipart_encode_impl(data, boundary): content_type = 'multipart/form-data; boundary=%s' % boundary out = b'' for k, v in data.items(): out += b'--' + boundary.encode('ascii') + b'\r\n' k = _encode_compat_str(k, 'utf-8') v = _encode_compat_str(v, 'utf-8') # RFC 2047 requires non-ASCII field names to be encoded, while RFC 7578 # suggests sending UTF-8 directly. Firefox sends UTF-8, too content = b'Content-Disposition: form-data; name="' + k + b'"\r\n\r\n' + v + b'\r\n' if boundary.encode('ascii') in content: raise ValueError('Boundary overlaps with data') out += content out += b'--' + boundary.encode('ascii') + b'--\r\n' return out, content_type def multipart_encode(data, boundary=None): ''' Encode a dict to RFC 7578-compliant form-data data: A dict where keys and values can be either Unicode or bytes-like objects. boundary: If specified a Unicode object, it's used as the boundary. Otherwise a random boundary is generated. Reference: https://tools.ietf.org/html/rfc7578 ''' has_specified_boundary = boundary is not None while True: if boundary is None: boundary = '---------------' + str(random.randrange(0x0fffffff, 0xffffffff)) try: out, content_type = _multipart_encode_impl(data, boundary) break except ValueError: if has_specified_boundary: raise boundary = None return out, content_type def is_iterable_like(x, allowed_types=compat_collections_abc.Iterable, blocked_types=NO_DEFAULT): if blocked_types is NO_DEFAULT: blocked_types = (compat_str, bytes, compat_collections_abc.Mapping) return isinstance(x, allowed_types) and not isinstance(x, blocked_types) def variadic(x, allowed_types=NO_DEFAULT): if isinstance(allowed_types, compat_collections_abc.Iterable): allowed_types = tuple(allowed_types) return x if is_iterable_like(x, blocked_types=allowed_types) else (x,) def dict_get(d, key_or_keys, default=None, skip_false_values=True): exp = (lambda x: x or None) if skip_false_values else IDENTITY return traverse_obj(d, *variadic(key_or_keys), expected_type=exp, default=default, get_all=False) def try_call(*funcs, **kwargs): # parameter defaults expected_type = kwargs.get('expected_type') fargs = kwargs.get('args', []) fkwargs = kwargs.get('kwargs', {}) for f in funcs: try: val = f(*fargs, **fkwargs) except (AttributeError, KeyError, TypeError, IndexError, ZeroDivisionError): pass else: if expected_type is None or isinstance(val, expected_type): return val def try_get(src, getter, expected_type=None): if not isinstance(getter, (list, tuple)): getter = [getter] for get in getter: try: v = get(src) except (AttributeError, KeyError, TypeError, IndexError): pass else: if expected_type is None or isinstance(v, expected_type): return v def filter_dict(dct, cndn=lambda _, v: v is not None): # NB: don't use dict comprehension for python 2.6 compatibility return dict((k, v) for k, v in dct.items() if cndn(k, v)) def merge_dicts(*dicts, **kwargs): """ Merge the `dict`s in `dicts` using the first valid value for each key. Normally valid: not None and not an empty string Keyword-only args: unblank: allow empty string if False (default True) rev: merge dicts in reverse order (default False) merge_dicts(dct1, dct2, ..., unblank=False, rev=True) matches {**dct1, **dct2, ...} However, merge_dicts(dct1, dct2, ..., rev=True) may often be better. """ unblank = kwargs.get('unblank', True) rev = kwargs.get('rev', False) if unblank: def can_merge_str(k, v, to_dict): return (isinstance(v, compat_str) and v and isinstance(to_dict[k], compat_str) and not to_dict[k]) else: can_merge_str = lambda k, v, to_dict: False merged = {} for a_dict in reversed(dicts) if rev else dicts: for k, v in a_dict.items(): if v is None: continue if (k not in merged) or can_merge_str(k, v, merged): merged[k] = v return merged # very poor choice of name, as if Python string encodings weren't confusing enough def encode_compat_str(s, encoding=preferredencoding(), errors='strict'): assert isinstance(s, compat_basestring) return s if isinstance(s, compat_str) else compat_str(s, encoding, errors) # what it could have been def _decode_compat_str(s, encoding=preferredencoding(), errors='strict', or_none=False): if not or_none: assert isinstance(s, compat_basestring) return ( s if isinstance(s, compat_str) else compat_str(s, encoding, errors) if isinstance(s, compat_basestring) else None) # the real encode_compat_str, but only for internal use def _encode_compat_str(s, encoding=preferredencoding(), errors='strict'): assert isinstance(s, compat_basestring) return s.encode(encoding, errors) if isinstance(s, compat_str) else s US_RATINGS = { 'G': 0, 'PG': 10, 'PG-13': 13, 'R': 16, 'NC': 18, } TV_PARENTAL_GUIDELINES = { 'TV-Y': 0, 'TV-Y7': 7, 'TV-G': 0, 'TV-PG': 0, 'TV-14': 14, 'TV-MA': 17, } def parse_age_limit(s): if not isinstance(s, bool): age = int_or_none(s) if age is not None: return age if 0 <= age <= 21 else None if not isinstance(s, compat_basestring): return None m = re.match(r'^(?P<age>\d{1,2})\+?$', s) if m: return int(m.group('age')) if s in US_RATINGS: return US_RATINGS[s] m = re.match(r'^TV[_-]?(%s)$' % '|'.join(k[3:] for k in TV_PARENTAL_GUIDELINES), s) if m: return TV_PARENTAL_GUIDELINES['TV-' + m.group(1)] return None def strip_jsonp(code): return re.sub( r'''(?sx)^ (?:window\.)?(?P<func_name>[a-zA-Z0-9_.$]*) (?:\s*&&\s*(?P=func_name))? \s*\(\s*(?P<callback_data>.*)\);? \s*?(?://[^\n]*)*$''', r'\g<callback_data>', code) def js_to_json(code, *args, **kwargs): # vars is a dict of (var, val) pairs to substitute vars = args[0] if len(args) > 0 else kwargs.get('vars', {}) strict = kwargs.get('strict', False) STRING_QUOTES = '\'"`' STRING_RE = '|'.join(r'{0}(?:\\.|[^\\{0}])*{0}'.format(q) for q in STRING_QUOTES) COMMENT_RE = r'/\*(?:(?!\*/).)*?\*/|//[^\n]*\n' SKIP_RE = r'\s*(?:{comment})?\s*'.format(comment=COMMENT_RE) INTEGER_TABLE = ( (r'(?s)^(0[xX][0-9a-fA-F]+){skip}:?$'.format(skip=SKIP_RE), 16), (r'(?s)^(0+[0-7]+){skip}:?$'.format(skip=SKIP_RE), 8), (r'(?s)^(\d+){skip}:?$'.format(skip=SKIP_RE), 10), ) # compat candidate JSONDecodeError = json.JSONDecodeError if 'JSONDecodeError' in dir(json) else ValueError def process_escape(match): JSON_PASSTHROUGH_ESCAPES = r'"\bfnrtu' escape = match.group(1) or match.group(2) return ('\\' + escape if escape in JSON_PASSTHROUGH_ESCAPES else '\\u00' if escape == 'x' else '' if escape == '\n' else escape) def template_substitute(match): evaluated = js_to_json(match.group(1), vars, strict=strict) if evaluated[0] == '"': return json.loads(evaluated) return evaluated def fix_kv(m): v = m.group(0) if v in ('true', 'false', 'null'): return v elif v in ('undefined', 'void 0'): return 'null' elif v.startswith('/*') or v.startswith('//') or v == ',': return '' if v[0] in STRING_QUOTES: v = re.sub(r'(?s)\${([^}]+)}', template_substitute, v[1:-1]) if v[0] == '`' else v[1:-1] escaped = re.sub(r'(?s)(")|\\(.)', process_escape, v) return '"{0}"'.format(escaped) inv = IDENTITY im = re.split(r'^!+', v) if len(im) > 1 and not im[-1].endswith(':'): if (len(v) - len(im[1])) % 2 == 1: inv = lambda x: 'true' if x == 0 else 'false' else: inv = lambda x: 'false' if x == 0 else 'true' if not any(x for x in im): return v = im[-1] for regex, base in INTEGER_TABLE: im = re.match(regex, v) if im: i = int(im.group(1), base) return ('"%s":' if v.endswith(':') else '%s') % inv(i) if v in vars: try: if not strict: json.loads(vars[v]) except JSONDecodeError: return inv(json.dumps(vars[v])) else: return inv(vars[v]) if not strict: v = try_call(inv, args=(v,), default=v) if v in ('true', 'false'): return v return '"{0}"'.format(v) raise ValueError('Unknown value: ' + v) def create_map(mobj): return json.dumps(dict(json.loads(js_to_json(mobj.group(1) or '[]', vars=vars)))) code = re.sub(r'new Map\((\[.*?\])?\)', create_map, code) if not strict: code = re.sub(r'new Date\((".+")\)', r'\g<1>', code) code = re.sub(r'new \w+\((.*?)\)', lambda m: json.dumps(m.group(0)), code) code = re.sub(r'parseInt\([^\d]+(\d+)[^\d]+\)', r'\1', code) code = re.sub(r'\(function\([^)]*\)\s*\{[^}]*\}\s*\)\s*\(\s*(["\'][^)]*["\'])\s*\)', r'\1', code) return re.sub(r'''(?sx) {str_}| {comment}| ,(?={skip}[\]}}])| void\s0| !*(?:(?<!\d)[eE]|[a-df-zA-DF-Z_$])[.a-zA-Z_$0-9]*| (?:\b|!+)0(?:[xX][\da-fA-F]+|[0-7]+)(?:{skip}:)?| !+\d+(?:\.\d*)?(?:{skip}:)?| [0-9]+(?:{skip}:)| !+ '''.format(comment=COMMENT_RE, skip=SKIP_RE, str_=STRING_RE), fix_kv, code) def qualities(quality_ids): """ Get a numeric quality value out of a list of possible values """ def q(qid): try: return quality_ids.index(qid) except ValueError: return -1 return q DEFAULT_OUTTMPL = '%(title)s-%(id)s.%(ext)s' def limit_length(s, length): """ Add ellipses to overly long strings """ if s is None: return None ELLIPSES = '...' if len(s) > length: return s[:length - len(ELLIPSES)] + ELLIPSES return s def version_tuple(v): return tuple(int(e) for e in re.split(r'[-.]', v)) def is_outdated_version(version, limit, assume_new=True): if not version: return not assume_new try: return version_tuple(version) < version_tuple(limit) except ValueError: return not assume_new def ytdl_is_updateable(): """ Returns if youtube-dl can be updated with -U """ from zipimport import zipimporter return isinstance(globals().get('__loader__'), zipimporter) or hasattr(sys, 'frozen') def args_to_str(args): # Get a short string representation for a subprocess command return ' '.join(compat_shlex_quote(a) for a in args) def error_to_compat_str(err): return _decode_compat_str(str(err)) def mimetype2ext(mt): if mt is None: return None ext = { 'audio/mp4': 'm4a', # Per RFC 3003, audio/mpeg can be .mp1, .mp2 or .mp3. Here use .mp3 as # it's the most popular one 'audio/mpeg': 'mp3', }.get(mt) if ext is not None: return ext _, _, res = mt.rpartition('/') res = res.split(';')[0].strip().lower() return { '3gpp': '3gp', 'smptett+xml': 'tt', 'ttaf+xml': 'dfxp', 'ttml+xml': 'ttml', 'x-flv': 'flv', 'x-mp4-fragmented': 'mp4', 'x-ms-sami': 'sami', 'x-ms-wmv': 'wmv', 'mpegurl': 'm3u8', 'x-mpegurl': 'm3u8', 'vnd.apple.mpegurl': 'm3u8', 'dash+xml': 'mpd', 'f4m+xml': 'f4m', 'hds+xml': 'f4m', 'vnd.ms-sstr+xml': 'ism', 'quicktime': 'mov', 'mp2t': 'ts', 'x-wav': 'wav', }.get(res, res) def parse_codecs(codecs_str): # http://tools.ietf.org/html/rfc6381 if not codecs_str: return {} split_codecs = list(filter(None, map( lambda str: str.strip(), codecs_str.strip().strip(',').split(',')))) vcodec, acodec = None, None for full_codec in split_codecs: codec = full_codec.split('.')[0] if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1', 'av01', 'theora'): if not vcodec: vcodec = full_codec elif codec in ('mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'): if not acodec: acodec = full_codec else: write_string('WARNING: Unknown codec %s\n' % full_codec, sys.stderr) if not vcodec and not acodec: if len(split_codecs) == 2: return { 'vcodec': split_codecs[0], 'acodec': split_codecs[1], } else: return { 'vcodec': vcodec or 'none', 'acodec': acodec or 'none', } return {} def urlhandle_detect_ext(url_handle): getheader = url_handle.headers.get cd = getheader('Content-Disposition') if cd: m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd) if m: e = determine_ext(m.group('filename'), default_ext=None) if e: return e return mimetype2ext(getheader('Content-Type')) def encode_data_uri(data, mime_type): return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii')) def age_restricted(content_limit, age_limit): """ Returns True iff the content should be blocked """ if age_limit is None: # No limit set return False if content_limit is None: return False # Content available for everyone return age_limit < content_limit def is_html(first_bytes): """ Detect whether a file contains HTML by examining its first bytes. """ BOMS = [ (b'\xef\xbb\xbf', 'utf-8'), (b'\x00\x00\xfe\xff', 'utf-32-be'), (b'\xff\xfe\x00\x00', 'utf-32-le'), (b'\xff\xfe', 'utf-16-le'), (b'\xfe\xff', 'utf-16-be'), ] for bom, enc in BOMS: if first_bytes.startswith(bom): s = first_bytes[len(bom):].decode(enc, 'replace') break else: s = first_bytes.decode('utf-8', 'replace') return re.match(r'^\s*<', s) def determine_protocol(info_dict): protocol = info_dict.get('protocol') if protocol is not None: return protocol url = info_dict['url'] if url.startswith('rtmp'): return 'rtmp' elif url.startswith('mms'): return 'mms' elif url.startswith('rtsp'): return 'rtsp' ext = determine_ext(url) if ext == 'm3u8': return 'm3u8' elif ext == 'f4m': return 'f4m' return compat_urllib_parse_urlparse(url).scheme def render_table(header_row, data): """ Render a list of rows, each as a list of values """ table = [header_row] + data max_lens = [max(len(compat_str(v)) for v in col) for col in zip(*table)] format_str = ' '.join('%-' + compat_str(ml + 1) + 's' for ml in max_lens[:-1]) + '%s' return '\n'.join(format_str % tuple(row) for row in table) def _match_one(filter_part, dct): COMPARISON_OPERATORS = { '<': operator.lt, '<=': operator.le, '>': operator.gt, '>=': operator.ge, '=': operator.eq, '!=': operator.ne, } operator_rex = re.compile(r'''(?x)\s* (?P<key>[a-z_]+) \s*(?P<op>%s)(?P<none_inclusive>\s*\?)?\s* (?: (?P<intval>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)| (?P<quote>["\'])(?P<quotedstrval>(?:\\.|(?!(?P=quote)|\\).)+?)(?P=quote)| (?P<strval>(?![0-9.])[a-z0-9A-Z]*) ) \s*$ ''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys()))) m = operator_rex.search(filter_part) if m: op = COMPARISON_OPERATORS[m.group('op')] actual_value = dct.get(m.group('key')) if (m.group('quotedstrval') is not None or m.group('strval') is not None # If the original field is a string and matching comparisonvalue is # a number we should respect the origin of the original field # and process comparison value as a string (see # https://github.com/ytdl-org/youtube-dl/issues/11082). or actual_value is not None and m.group('intval') is not None and isinstance(actual_value, compat_str)): if m.group('op') not in ('=', '!='): raise ValueError( 'Operator %s does not support string values!' % m.group('op')) comparison_value = m.group('quotedstrval') or m.group('strval') or m.group('intval') quote = m.group('quote') if quote is not None: comparison_value = comparison_value.replace(r'\%s' % quote, quote) else: try: comparison_value = int(m.group('intval')) except ValueError: comparison_value = parse_filesize(m.group('intval')) if comparison_value is None: comparison_value = parse_filesize(m.group('intval') + 'B') if comparison_value is None: raise ValueError( 'Invalid integer value %r in filter part %r' % ( m.group('intval'), filter_part)) if actual_value is None: return m.group('none_inclusive') return op(actual_value, comparison_value) UNARY_OPERATORS = { '': lambda v: (v is True) if isinstance(v, bool) else (v is not None), '!': lambda v: (v is False) if isinstance(v, bool) else (v is None), } operator_rex = re.compile(r'''(?x)\s* (?P<op>%s)\s*(?P<key>[a-z_]+) \s*$ ''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys()))) m = operator_rex.search(filter_part) if m: op = UNARY_OPERATORS[m.group('op')] actual_value = dct.get(m.group('key')) return op(actual_value) raise ValueError('Invalid filter part %r' % filter_part) def match_str(filter_str, dct): """ Filter a dictionary with a simple string syntax. Returns True (=passes filter) or false """ return all( _match_one(filter_part, dct) for filter_part in filter_str.split('&')) def match_filter_func(filter_str): def _match_func(info_dict): if match_str(filter_str, info_dict): return None else: video_title = info_dict.get('title', info_dict.get('id', 'video')) return '%s does not pass filter %s, skipping ..' % (video_title, filter_str) return _match_func def parse_dfxp_time_expr(time_expr): if not time_expr: return mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr) if mobj: return float(mobj.group('time_offset')) mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:(?:\.|:)\d+)?)$', time_expr) if mobj: return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3).replace(':', '.')) def srt_subtitles_timecode(seconds): return '%02d:%02d:%02d,%03d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 1000) def dfxp2srt(dfxp_data): ''' @param dfxp_data A bytes-like object containing DFXP data @returns A unicode object containing converted SRT data ''' LEGACY_NAMESPACES = ( (b'http://www.w3.org/ns/ttml', [ b'http://www.w3.org/2004/11/ttaf1', b'http://www.w3.org/2006/04/ttaf1', b'http://www.w3.org/2006/10/ttaf1', ]), (b'http://www.w3.org/ns/ttml#styling', [ b'http://www.w3.org/ns/ttml#style', ]), ) SUPPORTED_STYLING = [ 'color', 'fontFamily', 'fontSize', 'fontStyle', 'fontWeight', 'textDecoration' ] _x = functools.partial(xpath_with_ns, ns_map={ 'xml': 'http://www.w3.org/XML/1998/namespace', 'ttml': 'http://www.w3.org/ns/ttml', 'tts': 'http://www.w3.org/ns/ttml#styling', }) styles = {} default_style = {} class TTMLPElementParser(object): _out = '' _unclosed_elements = [] _applied_styles = [] def start(self, tag, attrib): if tag in (_x('ttml:br'), 'br'): self._out += '\n' else: unclosed_elements = [] style = {} element_style_id = attrib.get('style') if default_style: style.update(default_style) if element_style_id: style.update(styles.get(element_style_id, {})) for prop in SUPPORTED_STYLING: prop_val = attrib.get(_x('tts:' + prop)) if prop_val: style[prop] = prop_val if style: font = '' for k, v in sorted(style.items()): if self._applied_styles and self._applied_styles[-1].get(k) == v: continue if k == 'color': font += ' color="%s"' % v elif k == 'fontSize': font += ' size="%s"' % v elif k == 'fontFamily': font += ' face="%s"' % v elif k == 'fontWeight' and v == 'bold': self._out += '<b>' unclosed_elements.append('b') elif k == 'fontStyle' and v == 'italic': self._out += '<i>' unclosed_elements.append('i') elif k == 'textDecoration' and v == 'underline': self._out += '<u>' unclosed_elements.append('u') if font: self._out += '<font' + font + '>' unclosed_elements.append('font') applied_style = {} if self._applied_styles: applied_style.update(self._applied_styles[-1]) applied_style.update(style) self._applied_styles.append(applied_style) self._unclosed_elements.append(unclosed_elements) def end(self, tag): if tag not in (_x('ttml:br'), 'br'): unclosed_elements = self._unclosed_elements.pop() for element in reversed(unclosed_elements): self._out += '</%s>' % element if unclosed_elements and self._applied_styles: self._applied_styles.pop() def data(self, data): self._out += data def close(self): return self._out.strip() def parse_node(node): target = TTMLPElementParser() parser = xml.etree.ElementTree.XMLParser(target=target) parser.feed(xml.etree.ElementTree.tostring(node)) return parser.close() for k, v in LEGACY_NAMESPACES: for ns in v: dfxp_data = dfxp_data.replace(ns, k) dfxp = compat_etree_fromstring(dfxp_data) out = [] paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall('.//p') if not paras: raise ValueError('Invalid dfxp/TTML subtitle') repeat = False while True: for style in dfxp.findall(_x('.//ttml:style')): style_id = style.get('id') or style.get(_x('xml:id')) if not style_id: continue parent_style_id = style.get('style') if parent_style_id: if parent_style_id not in styles: repeat = True continue styles[style_id] = styles[parent_style_id].copy() for prop in SUPPORTED_STYLING: prop_val = style.get(_x('tts:' + prop)) if prop_val: styles.setdefault(style_id, {})[prop] = prop_val if repeat: repeat = False else: break for p in ('body', 'div'): ele = xpath_element(dfxp, [_x('.//ttml:' + p), './/' + p]) if ele is None: continue style = styles.get(ele.get('style')) if not style: continue default_style.update(style) for para, index in zip(paras, itertools.count(1)): begin_time = parse_dfxp_time_expr(para.attrib.get('begin')) end_time = parse_dfxp_time_expr(para.attrib.get('end')) dur = parse_dfxp_time_expr(para.attrib.get('dur')) if begin_time is None: continue if not end_time: if not dur: continue end_time = begin_time + dur out.append('%d\n%s --> %s\n%s\n\n' % ( index, srt_subtitles_timecode(begin_time), srt_subtitles_timecode(end_time), parse_node(para))) return ''.join(out) def cli_option(params, command_option, param): param = params.get(param) if param: param = compat_str(param) return [command_option, param] if param is not None else [] def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None): param = params.get(param) if param is None: return [] assert isinstance(param, bool) if separator: return [command_option + separator + (true_value if param else false_value)] return [command_option, true_value if param else false_value] def cli_valueless_option(params, command_option, param, expected_value=True): param = params.get(param) return [command_option] if param == expected_value else [] def cli_configuration_args(params, param, default=[]): ex_args = params.get(param) if ex_args is None: return default assert isinstance(ex_args, list) return ex_args class ISO639Utils(object): # See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt _lang_map = { 'aa': 'aar', 'ab': 'abk', 'ae': 'ave', 'af': 'afr', 'ak': 'aka', 'am': 'amh', 'an': 'arg', 'ar': 'ara', 'as': 'asm', 'av': 'ava', 'ay': 'aym', 'az': 'aze', 'ba': 'bak', 'be': 'bel', 'bg': 'bul', 'bh': 'bih', 'bi': 'bis', 'bm': 'bam', 'bn': 'ben', 'bo': 'bod', 'br': 'bre', 'bs': 'bos', 'ca': 'cat', 'ce': 'che', 'ch': 'cha', 'co': 'cos', 'cr': 'cre', 'cs': 'ces', 'cu': 'chu', 'cv': 'chv', 'cy': 'cym', 'da': 'dan', 'de': 'deu', 'dv': 'div', 'dz': 'dzo', 'ee': 'ewe', 'el': 'ell', 'en': 'eng', 'eo': 'epo', 'es': 'spa', 'et': 'est', 'eu': 'eus', 'fa': 'fas', 'ff': 'ful', 'fi': 'fin', 'fj': 'fij', 'fo': 'fao', 'fr': 'fra', 'fy': 'fry', 'ga': 'gle', 'gd': 'gla', 'gl': 'glg', 'gn': 'grn', 'gu': 'guj', 'gv': 'glv', 'ha': 'hau', 'he': 'heb', 'iw': 'heb', # Replaced by he in 1989 revision 'hi': 'hin', 'ho': 'hmo', 'hr': 'hrv', 'ht': 'hat', 'hu': 'hun', 'hy': 'hye', 'hz': 'her', 'ia': 'ina', 'id': 'ind', 'in': 'ind', # Replaced by id in 1989 revision 'ie': 'ile', 'ig': 'ibo', 'ii': 'iii', 'ik': 'ipk', 'io': 'ido', 'is': 'isl', 'it': 'ita', 'iu': 'iku', 'ja': 'jpn', 'jv': 'jav', 'ka': 'kat', 'kg': 'kon', 'ki': 'kik', 'kj': 'kua', 'kk': 'kaz', 'kl': 'kal', 'km': 'khm', 'kn': 'kan', 'ko': 'kor', 'kr': 'kau', 'ks': 'kas', 'ku': 'kur', 'kv': 'kom', 'kw': 'cor', 'ky': 'kir', 'la': 'lat', 'lb': 'ltz', 'lg': 'lug', 'li': 'lim', 'ln': 'lin', 'lo': 'lao', 'lt': 'lit', 'lu': 'lub', 'lv': 'lav', 'mg': 'mlg', 'mh': 'mah', 'mi': 'mri', 'mk': 'mkd', 'ml': 'mal', 'mn': 'mon', 'mr': 'mar', 'ms': 'msa', 'mt': 'mlt', 'my': 'mya', 'na': 'nau', 'nb': 'nob', 'nd': 'nde', 'ne': 'nep', 'ng': 'ndo', 'nl': 'nld', 'nn': 'nno', 'no': 'nor', 'nr': 'nbl', 'nv': 'nav', 'ny': 'nya', 'oc': 'oci', 'oj': 'oji', 'om': 'orm', 'or': 'ori', 'os': 'oss', 'pa': 'pan', 'pi': 'pli', 'pl': 'pol', 'ps': 'pus', 'pt': 'por', 'qu': 'que', 'rm': 'roh', 'rn': 'run', 'ro': 'ron', 'ru': 'rus', 'rw': 'kin', 'sa': 'san', 'sc': 'srd', 'sd': 'snd', 'se': 'sme', 'sg': 'sag', 'si': 'sin', 'sk': 'slk', 'sl': 'slv', 'sm': 'smo', 'sn': 'sna', 'so': 'som', 'sq': 'sqi', 'sr': 'srp', 'ss': 'ssw', 'st': 'sot', 'su': 'sun', 'sv': 'swe', 'sw': 'swa', 'ta': 'tam', 'te': 'tel', 'tg': 'tgk', 'th': 'tha', 'ti': 'tir', 'tk': 'tuk', 'tl': 'tgl', 'tn': 'tsn', 'to': 'ton', 'tr': 'tur', 'ts': 'tso', 'tt': 'tat', 'tw': 'twi', 'ty': 'tah', 'ug': 'uig', 'uk': 'ukr', 'ur': 'urd', 'uz': 'uzb', 've': 'ven', 'vi': 'vie', 'vo': 'vol', 'wa': 'wln', 'wo': 'wol', 'xh': 'xho', 'yi': 'yid', 'ji': 'yid', # Replaced by yi in 1989 revision 'yo': 'yor', 'za': 'zha', 'zh': 'zho', 'zu': 'zul', } @classmethod def short2long(cls, code): """Convert language code from ISO 639-1 to ISO 639-2/T""" return cls._lang_map.get(code[:2]) @classmethod def long2short(cls, code): """Convert language code from ISO 639-2/T to ISO 639-1""" for short_name, long_name in cls._lang_map.items(): if long_name == code: return short_name class ISO3166Utils(object): # From http://data.okfn.org/data/core/country-list _country_map = { 'AF': 'Afghanistan', 'AX': 'Åland Islands', 'AL': 'Albania', 'DZ': 'Algeria', 'AS': 'American Samoa', 'AD': 'Andorra', 'AO': 'Angola', 'AI': 'Anguilla', 'AQ': 'Antarctica', 'AG': 'Antigua and Barbuda', 'AR': 'Argentina', 'AM': 'Armenia', 'AW': 'Aruba', 'AU': 'Australia', 'AT': 'Austria', 'AZ': 'Azerbaijan', 'BS': 'Bahamas', 'BH': 'Bahrain', 'BD': 'Bangladesh', 'BB': 'Barbados', 'BY': 'Belarus', 'BE': 'Belgium', 'BZ': 'Belize', 'BJ': 'Benin', 'BM': 'Bermuda', 'BT': 'Bhutan', 'BO': 'Bolivia, Plurinational State of', 'BQ': 'Bonaire, Sint Eustatius and Saba', 'BA': 'Bosnia and Herzegovina', 'BW': 'Botswana', 'BV': 'Bouvet Island', 'BR': 'Brazil', 'IO': 'British Indian Ocean Territory', 'BN': 'Brunei Darussalam', 'BG': 'Bulgaria', 'BF': 'Burkina Faso', 'BI': 'Burundi', 'KH': 'Cambodia', 'CM': 'Cameroon', 'CA': 'Canada', 'CV': 'Cape Verde', 'KY': 'Cayman Islands', 'CF': 'Central African Republic', 'TD': 'Chad', 'CL': 'Chile', 'CN': 'China', 'CX': 'Christmas Island', 'CC': 'Cocos (Keeling) Islands', 'CO': 'Colombia', 'KM': 'Comoros', 'CG': 'Congo', 'CD': 'Congo, the Democratic Republic of the', 'CK': 'Cook Islands', 'CR': 'Costa Rica', 'CI': 'Côte d\'Ivoire', 'HR': 'Croatia', 'CU': 'Cuba', 'CW': 'Curaçao', 'CY': 'Cyprus', 'CZ': 'Czech Republic', 'DK': 'Denmark', 'DJ': 'Djibouti', 'DM': 'Dominica', 'DO': 'Dominican Republic', 'EC': 'Ecuador', 'EG': 'Egypt', 'SV': 'El Salvador', 'GQ': 'Equatorial Guinea', 'ER': 'Eritrea', 'EE': 'Estonia', 'ET': 'Ethiopia', 'FK': 'Falkland Islands (Malvinas)', 'FO': 'Faroe Islands', 'FJ': 'Fiji', 'FI': 'Finland', 'FR': 'France', 'GF': 'French Guiana', 'PF': 'French Polynesia', 'TF': 'French Southern Territories', 'GA': 'Gabon', 'GM': 'Gambia', 'GE': 'Georgia', 'DE': 'Germany', 'GH': 'Ghana', 'GI': 'Gibraltar', 'GR': 'Greece', 'GL': 'Greenland', 'GD': 'Grenada', 'GP': 'Guadeloupe', 'GU': 'Guam', 'GT': 'Guatemala', 'GG': 'Guernsey', 'GN': 'Guinea', 'GW': 'Guinea-Bissau', 'GY': 'Guyana', 'HT': 'Haiti', 'HM': 'Heard Island and McDonald Islands', 'VA': 'Holy See (Vatican City State)', 'HN': 'Honduras', 'HK': 'Hong Kong', 'HU': 'Hungary', 'IS': 'Iceland', 'IN': 'India', 'ID': 'Indonesia', 'IR': 'Iran, Islamic Republic of', 'IQ': 'Iraq', 'IE': 'Ireland', 'IM': 'Isle of Man', 'IL': 'Israel', 'IT': 'Italy', 'JM': 'Jamaica', 'JP': 'Japan', 'JE': 'Jersey', 'JO': 'Jordan', 'KZ': 'Kazakhstan', 'KE': 'Kenya', 'KI': 'Kiribati', 'KP': 'Korea, Democratic People\'s Republic of', 'KR': 'Korea, Republic of', 'KW': 'Kuwait', 'KG': 'Kyrgyzstan', 'LA': 'Lao People\'s Democratic Republic', 'LV': 'Latvia', 'LB': 'Lebanon', 'LS': 'Lesotho', 'LR': 'Liberia', 'LY': 'Libya', 'LI': 'Liechtenstein', 'LT': 'Lithuania', 'LU': 'Luxembourg', 'MO': 'Macao', 'MK': 'Macedonia, the Former Yugoslav Republic of', 'MG': 'Madagascar', 'MW': 'Malawi', 'MY': 'Malaysia', 'MV': 'Maldives', 'ML': 'Mali', 'MT': 'Malta', 'MH': 'Marshall Islands', 'MQ': 'Martinique', 'MR': 'Mauritania', 'MU': 'Mauritius', 'YT': 'Mayotte', 'MX': 'Mexico', 'FM': 'Micronesia, Federated States of', 'MD': 'Moldova, Republic of', 'MC': 'Monaco', 'MN': 'Mongolia', 'ME': 'Montenegro', 'MS': 'Montserrat', 'MA': 'Morocco', 'MZ': 'Mozambique', 'MM': 'Myanmar', 'NA': 'Namibia', 'NR': 'Nauru', 'NP': 'Nepal', 'NL': 'Netherlands', 'NC': 'New Caledonia', 'NZ': 'New Zealand', 'NI': 'Nicaragua', 'NE': 'Niger', 'NG': 'Nigeria', 'NU': 'Niue', 'NF': 'Norfolk Island', 'MP': 'Northern Mariana Islands', 'NO': 'Norway', 'OM': 'Oman', 'PK': 'Pakistan', 'PW': 'Palau', 'PS': 'Palestine, State of', 'PA': 'Panama', 'PG': 'Papua New Guinea', 'PY': 'Paraguay', 'PE': 'Peru', 'PH': 'Philippines', 'PN': 'Pitcairn', 'PL': 'Poland', 'PT': 'Portugal', 'PR': 'Puerto Rico', 'QA': 'Qatar', 'RE': 'Réunion', 'RO': 'Romania', 'RU': 'Russian Federation', 'RW': 'Rwanda', 'BL': 'Saint Barthélemy', 'SH': 'Saint Helena, Ascension and Tristan da Cunha', 'KN': 'Saint Kitts and Nevis', 'LC': 'Saint Lucia', 'MF': 'Saint Martin (French part)', 'PM': 'Saint Pierre and Miquelon', 'VC': 'Saint Vincent and the Grenadines', 'WS': 'Samoa', 'SM': 'San Marino', 'ST': 'Sao Tome and Principe', 'SA': 'Saudi Arabia', 'SN': 'Senegal', 'RS': 'Serbia', 'SC': 'Seychelles', 'SL': 'Sierra Leone', 'SG': 'Singapore', 'SX': 'Sint Maarten (Dutch part)', 'SK': 'Slovakia', 'SI': 'Slovenia', 'SB': 'Solomon Islands', 'SO': 'Somalia', 'ZA': 'South Africa', 'GS': 'South Georgia and the South Sandwich Islands', 'SS': 'South Sudan', 'ES': 'Spain', 'LK': 'Sri Lanka', 'SD': 'Sudan', 'SR': 'Suriname', 'SJ': 'Svalbard and Jan Mayen', 'SZ': 'Swaziland', 'SE': 'Sweden', 'CH': 'Switzerland', 'SY': 'Syrian Arab Republic', 'TW': 'Taiwan, Province of China', 'TJ': 'Tajikistan', 'TZ': 'Tanzania, United Republic of', 'TH': 'Thailand', 'TL': 'Timor-Leste', 'TG': 'Togo', 'TK': 'Tokelau', 'TO': 'Tonga', 'TT': 'Trinidad and Tobago', 'TN': 'Tunisia', 'TR': 'Turkey', 'TM': 'Turkmenistan', 'TC': 'Turks and Caicos Islands', 'TV': 'Tuvalu', 'UG': 'Uganda', 'UA': 'Ukraine', 'AE': 'United Arab Emirates', 'GB': 'United Kingdom', 'US': 'United States', 'UM': 'United States Minor Outlying Islands', 'UY': 'Uruguay', 'UZ': 'Uzbekistan', 'VU': 'Vanuatu', 'VE': 'Venezuela, Bolivarian Republic of', 'VN': 'Viet Nam', 'VG': 'Virgin Islands, British', 'VI': 'Virgin Islands, U.S.', 'WF': 'Wallis and Futuna', 'EH': 'Western Sahara', 'YE': 'Yemen', 'ZM': 'Zambia', 'ZW': 'Zimbabwe', } @classmethod def short2full(cls, code): """Convert an ISO 3166-2 country code to the corresponding full name""" return cls._country_map.get(code.upper()) class GeoUtils(object): # Major IPv4 address blocks per country _country_ip_map = { 'AD': '46.172.224.0/19', 'AE': '94.200.0.0/13', 'AF': '149.54.0.0/17', 'AG': '209.59.64.0/18', 'AI': '204.14.248.0/21', 'AL': '46.99.0.0/16', 'AM': '46.70.0.0/15', 'AO': '105.168.0.0/13', 'AP': '182.50.184.0/21', 'AQ': '23.154.160.0/24', 'AR': '181.0.0.0/12', 'AS': '202.70.112.0/20', 'AT': '77.116.0.0/14', 'AU': '1.128.0.0/11', 'AW': '181.41.0.0/18', 'AX': '185.217.4.0/22', 'AZ': '5.197.0.0/16', 'BA': '31.176.128.0/17', 'BB': '65.48.128.0/17', 'BD': '114.130.0.0/16', 'BE': '57.0.0.0/8', 'BF': '102.178.0.0/15', 'BG': '95.42.0.0/15', 'BH': '37.131.0.0/17', 'BI': '154.117.192.0/18', 'BJ': '137.255.0.0/16', 'BL': '185.212.72.0/23', 'BM': '196.12.64.0/18', 'BN': '156.31.0.0/16', 'BO': '161.56.0.0/16', 'BQ': '161.0.80.0/20', 'BR': '191.128.0.0/12', 'BS': '24.51.64.0/18', 'BT': '119.2.96.0/19', 'BW': '168.167.0.0/16', 'BY': '178.120.0.0/13', 'BZ': '179.42.192.0/18', 'CA': '99.224.0.0/11', 'CD': '41.243.0.0/16', 'CF': '197.242.176.0/21', 'CG': '160.113.0.0/16', 'CH': '85.0.0.0/13', 'CI': '102.136.0.0/14', 'CK': '202.65.32.0/19', 'CL': '152.172.0.0/14', 'CM': '102.244.0.0/14', 'CN': '36.128.0.0/10', 'CO': '181.240.0.0/12', 'CR': '201.192.0.0/12', 'CU': '152.206.0.0/15', 'CV': '165.90.96.0/19', 'CW': '190.88.128.0/17', 'CY': '31.153.0.0/16', 'CZ': '88.100.0.0/14', 'DE': '53.0.0.0/8', 'DJ': '197.241.0.0/17', 'DK': '87.48.0.0/12', 'DM': '192.243.48.0/20', 'DO': '152.166.0.0/15', 'DZ': '41.96.0.0/12', 'EC': '186.68.0.0/15', 'EE': '90.190.0.0/15', 'EG': '156.160.0.0/11', 'ER': '196.200.96.0/20', 'ES': '88.0.0.0/11', 'ET': '196.188.0.0/14', 'EU': '2.16.0.0/13', 'FI': '91.152.0.0/13', 'FJ': '144.120.0.0/16', 'FK': '80.73.208.0/21', 'FM': '119.252.112.0/20', 'FO': '88.85.32.0/19', 'FR': '90.0.0.0/9', 'GA': '41.158.0.0/15', 'GB': '25.0.0.0/8', 'GD': '74.122.88.0/21', 'GE': '31.146.0.0/16', 'GF': '161.22.64.0/18', 'GG': '62.68.160.0/19', 'GH': '154.160.0.0/12', 'GI': '95.164.0.0/16', 'GL': '88.83.0.0/19', 'GM': '160.182.0.0/15', 'GN': '197.149.192.0/18', 'GP': '104.250.0.0/19', 'GQ': '105.235.224.0/20', 'GR': '94.64.0.0/13', 'GT': '168.234.0.0/16', 'GU': '168.123.0.0/16', 'GW': '197.214.80.0/20', 'GY': '181.41.64.0/18', 'HK': '113.252.0.0/14', 'HN': '181.210.0.0/16', 'HR': '93.136.0.0/13', 'HT': '148.102.128.0/17', 'HU': '84.0.0.0/14', 'ID': '39.192.0.0/10', 'IE': '87.32.0.0/12', 'IL': '79.176.0.0/13', 'IM': '5.62.80.0/20', 'IN': '117.192.0.0/10', 'IO': '203.83.48.0/21', 'IQ': '37.236.0.0/14', 'IR': '2.176.0.0/12', 'IS': '82.221.0.0/16', 'IT': '79.0.0.0/10', 'JE': '87.244.64.0/18', 'JM': '72.27.0.0/17', 'JO': '176.29.0.0/16', 'JP': '133.0.0.0/8', 'KE': '105.48.0.0/12', 'KG': '158.181.128.0/17', 'KH': '36.37.128.0/17', 'KI': '103.25.140.0/22', 'KM': '197.255.224.0/20', 'KN': '198.167.192.0/19', 'KP': '175.45.176.0/22', 'KR': '175.192.0.0/10', 'KW': '37.36.0.0/14', 'KY': '64.96.0.0/15', 'KZ': '2.72.0.0/13', 'LA': '115.84.64.0/18', 'LB': '178.135.0.0/16', 'LC': '24.92.144.0/20', 'LI': '82.117.0.0/19', 'LK': '112.134.0.0/15', 'LR': '102.183.0.0/16', 'LS': '129.232.0.0/17', 'LT': '78.56.0.0/13', 'LU': '188.42.0.0/16', 'LV': '46.109.0.0/16', 'LY': '41.252.0.0/14', 'MA': '105.128.0.0/11', 'MC': '88.209.64.0/18', 'MD': '37.246.0.0/16', 'ME': '178.175.0.0/17', 'MF': '74.112.232.0/21', 'MG': '154.126.0.0/17', 'MH': '117.103.88.0/21', 'MK': '77.28.0.0/15', 'ML': '154.118.128.0/18', 'MM': '37.111.0.0/17', 'MN': '49.0.128.0/17', 'MO': '60.246.0.0/16', 'MP': '202.88.64.0/20', 'MQ': '109.203.224.0/19', 'MR': '41.188.64.0/18', 'MS': '208.90.112.0/22', 'MT': '46.11.0.0/16', 'MU': '105.16.0.0/12', 'MV': '27.114.128.0/18', 'MW': '102.70.0.0/15', 'MX': '187.192.0.0/11', 'MY': '175.136.0.0/13', 'MZ': '197.218.0.0/15', 'NA': '41.182.0.0/16', 'NC': '101.101.0.0/18', 'NE': '197.214.0.0/18', 'NF': '203.17.240.0/22', 'NG': '105.112.0.0/12', 'NI': '186.76.0.0/15', 'NL': '145.96.0.0/11', 'NO': '84.208.0.0/13', 'NP': '36.252.0.0/15', 'NR': '203.98.224.0/19', 'NU': '49.156.48.0/22', 'NZ': '49.224.0.0/14', 'OM': '5.36.0.0/15', 'PA': '186.72.0.0/15', 'PE': '186.160.0.0/14', 'PF': '123.50.64.0/18', 'PG': '124.240.192.0/19', 'PH': '49.144.0.0/13', 'PK': '39.32.0.0/11', 'PL': '83.0.0.0/11', 'PM': '70.36.0.0/20', 'PR': '66.50.0.0/16', 'PS': '188.161.0.0/16', 'PT': '85.240.0.0/13', 'PW': '202.124.224.0/20', 'PY': '181.120.0.0/14', 'QA': '37.210.0.0/15', 'RE': '102.35.0.0/16', 'RO': '79.112.0.0/13', 'RS': '93.86.0.0/15', 'RU': '5.136.0.0/13', 'RW': '41.186.0.0/16', 'SA': '188.48.0.0/13', 'SB': '202.1.160.0/19', 'SC': '154.192.0.0/11', 'SD': '102.120.0.0/13', 'SE': '78.64.0.0/12', 'SG': '8.128.0.0/10', 'SI': '188.196.0.0/14', 'SK': '78.98.0.0/15', 'SL': '102.143.0.0/17', 'SM': '89.186.32.0/19', 'SN': '41.82.0.0/15', 'SO': '154.115.192.0/18', 'SR': '186.179.128.0/17', 'SS': '105.235.208.0/21', 'ST': '197.159.160.0/19', 'SV': '168.243.0.0/16', 'SX': '190.102.0.0/20', 'SY': '5.0.0.0/16', 'SZ': '41.84.224.0/19', 'TC': '65.255.48.0/20', 'TD': '154.68.128.0/19', 'TG': '196.168.0.0/14', 'TH': '171.96.0.0/13', 'TJ': '85.9.128.0/18', 'TK': '27.96.24.0/21', 'TL': '180.189.160.0/20', 'TM': '95.85.96.0/19', 'TN': '197.0.0.0/11', 'TO': '175.176.144.0/21', 'TR': '78.160.0.0/11', 'TT': '186.44.0.0/15', 'TV': '202.2.96.0/19', 'TW': '120.96.0.0/11', 'TZ': '156.156.0.0/14', 'UA': '37.52.0.0/14', 'UG': '102.80.0.0/13', 'US': '6.0.0.0/8', 'UY': '167.56.0.0/13', 'UZ': '84.54.64.0/18', 'VA': '212.77.0.0/19', 'VC': '207.191.240.0/21', 'VE': '186.88.0.0/13', 'VG': '66.81.192.0/20', 'VI': '146.226.0.0/16', 'VN': '14.160.0.0/11', 'VU': '202.80.32.0/20', 'WF': '117.20.32.0/21', 'WS': '202.4.32.0/19', 'YE': '134.35.0.0/16', 'YT': '41.242.116.0/22', 'ZA': '41.0.0.0/11', 'ZM': '102.144.0.0/13', 'ZW': '102.177.192.0/18', } @classmethod def random_ipv4(cls, code_or_block): if len(code_or_block) == 2: block = cls._country_ip_map.get(code_or_block.upper()) if not block: return None else: block = code_or_block addr, preflen = block.split('/') addr_min = compat_struct_unpack('!L', socket.inet_aton(addr))[0] addr_max = addr_min | (0xffffffff >> int(preflen)) return compat_str(socket.inet_ntoa( compat_struct_pack('!L', random.randint(addr_min, addr_max)))) class PerRequestProxyHandler(compat_urllib_request.ProxyHandler): def __init__(self, proxies=None): # Set default handlers for type in ('http', 'https'): setattr(self, '%s_open' % type, lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open: meth(r, proxy, type)) compat_urllib_request.ProxyHandler.__init__(self, proxies) def proxy_open(self, req, proxy, type): req_proxy = req.headers.get('Ytdl-request-proxy') if req_proxy is not None: proxy = req_proxy del req.headers['Ytdl-request-proxy'] if proxy == '__noproxy__': return None # No Proxy if compat_urllib_parse.urlparse(proxy).scheme.lower() in ('socks', 'socks4', 'socks4a', 'socks5'): req.add_header('Ytdl-socks-proxy', proxy) # youtube-dl's http/https handlers do wrapping the socket with socks return None return compat_urllib_request.ProxyHandler.proxy_open( self, req, proxy, type) # Both long_to_bytes and bytes_to_long are adapted from PyCrypto, which is # released into Public Domain # https://github.com/dlitz/pycrypto/blob/master/lib/Crypto/Util/number.py#L387 def long_to_bytes(n, blocksize=0): """long_to_bytes(n:long, blocksize:int) : string Convert a long integer to a byte string. If optional blocksize is given and greater than zero, pad the front of the byte string with binary zeros so that the length is a multiple of blocksize. """ # after much testing, this algorithm was deemed to be the fastest s = b'' n = int(n) while n > 0: s = compat_struct_pack('>I', n & 0xffffffff) + s n = n >> 32 # strip off leading zeros for i in range(len(s)): if s[i] != b'\000'[0]: break else: # only happens when n == 0 s = b'\000' i = 0 s = s[i:] # add back some pad bytes. this could be done more efficiently w.r.t. the # de-padding being done above, but sigh... if blocksize > 0 and len(s) % blocksize: s = (blocksize - len(s) % blocksize) * b'\000' + s return s def bytes_to_long(s): """bytes_to_long(string) : long Convert a byte string to a long integer. This is (essentially) the inverse of long_to_bytes(). """ acc = 0 length = len(s) if length % 4: extra = (4 - length % 4) s = b'\000' * extra + s length = length + extra for i in range(0, length, 4): acc = (acc << 32) + compat_struct_unpack('>I', s[i:i + 4])[0] return acc def ohdave_rsa_encrypt(data, exponent, modulus): ''' Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/ Input: data: data to encrypt, bytes-like object exponent, modulus: parameter e and N of RSA algorithm, both integer Output: hex string of encrypted data Limitation: supports one block encryption only ''' payload = int(binascii.hexlify(data[::-1]), 16) encrypted = pow(payload, exponent, modulus) return '%x' % encrypted def pkcs1pad(data, length): """ Padding input data with PKCS#1 scheme @param {int[]} data input data @param {int} length target length @returns {int[]} padded data """ if len(data) > length - 11: raise ValueError('Input data too long for PKCS#1 padding') pseudo_random = [random.randint(0, 254) for _ in range(length - len(data) - 3)] return [0, 2] + pseudo_random + [0] + data def encode_base_n(num, n, table=None): FULL_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' if not table: table = FULL_TABLE[:n] if n > len(table): raise ValueError('base %d exceeds table length %d' % (n, len(table))) if num == 0: return table[0] ret = '' while num: ret = table[num % n] + ret num = num // n return ret def decode_packed_codes(code): mobj = re.search(PACKED_CODES_RE, code) obfuscated_code, base, count, symbols = mobj.groups() base = int(base) count = int(count) symbols = symbols.split('|') symbol_table = {} while count: count -= 1 base_n_count = encode_base_n(count, base) symbol_table[base_n_count] = symbols[count] or base_n_count return re.sub( r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)], obfuscated_code) def caesar(s, alphabet, shift): if shift == 0: return s l = len(alphabet) return ''.join( alphabet[(alphabet.index(c) + shift) % l] if c in alphabet else c for c in s) def rot47(s): return caesar(s, r'''!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~''', 47) def parse_m3u8_attributes(attrib): info = {} for (key, val) in re.findall(r'(?P<key>[A-Z0-9-]+)=(?P<val>"[^"]+"|[^",]+)(?:,|$)', attrib): if val.startswith('"'): val = val[1:-1] info[key] = val return info def urshift(val, n): return val >> n if val >= 0 else (val + 0x100000000) >> n # Based on png2str() written by @gdkchan and improved by @yokrysty # Originally posted at https://github.com/ytdl-org/youtube-dl/issues/9706 def decode_png(png_data): # Reference: https://www.w3.org/TR/PNG/ header = png_data[8:] if png_data[:8] != b'\x89PNG\x0d\x0a\x1a\x0a' or header[4:8] != b'IHDR': raise IOError('Not a valid PNG file.') int_map = {1: '>B', 2: '>H', 4: '>I'} unpack_integer = lambda x: compat_struct_unpack(int_map[len(x)], x)[0] chunks = [] while header: length = unpack_integer(header[:4]) header = header[4:] chunk_type = header[:4] header = header[4:] chunk_data = header[:length] header = header[length:] header = header[4:] # Skip CRC chunks.append({ 'type': chunk_type, 'length': length, 'data': chunk_data }) ihdr = chunks[0]['data'] width = unpack_integer(ihdr[:4]) height = unpack_integer(ihdr[4:8]) idat = b'' for chunk in chunks: if chunk['type'] == b'IDAT': idat += chunk['data'] if not idat: raise IOError('Unable to read PNG data.') decompressed_data = bytearray(zlib.decompress(idat)) stride = width * 3 pixels = [] def _get_pixel(idx): x = idx % stride y = idx // stride return pixels[y][x] for y in range(height): basePos = y * (1 + stride) filter_type = decompressed_data[basePos] current_row = [] pixels.append(current_row) for x in range(stride): color = decompressed_data[1 + basePos + x] basex = y * stride + x left = 0 up = 0 if x > 2: left = _get_pixel(basex - 3) if y > 0: up = _get_pixel(basex - stride) if filter_type == 1: # Sub color = (color + left) & 0xff elif filter_type == 2: # Up color = (color + up) & 0xff elif filter_type == 3: # Average color = (color + ((left + up) >> 1)) & 0xff elif filter_type == 4: # Paeth a = left b = up c = 0 if x > 2 and y > 0: c = _get_pixel(basex - stride - 3) p = a + b - c pa = abs(p - a) pb = abs(p - b) pc = abs(p - c) if pa <= pb and pa <= pc: color = (color + a) & 0xff elif pb <= pc: color = (color + b) & 0xff else: color = (color + c) & 0xff current_row.append(color) return width, height, pixels def write_xattr(path, key, value): # This mess below finds the best xattr tool for the job try: # try the pyxattr module... import xattr if hasattr(xattr, 'set'): # pyxattr # Unicode arguments are not supported in python-pyxattr until # version 0.5.0 # See https://github.com/ytdl-org/youtube-dl/issues/5498 pyxattr_required_version = '0.5.0' if version_tuple(xattr.__version__) < version_tuple(pyxattr_required_version): # TODO: fallback to CLI tools raise XAttrUnavailableError( 'python-pyxattr is detected but is too old. ' 'youtube-dl requires %s or above while your version is %s. ' 'Falling back to other xattr implementations' % ( pyxattr_required_version, xattr.__version__)) setxattr = xattr.set else: # xattr setxattr = xattr.setxattr try: setxattr(path, key, value) except EnvironmentError as e: raise XAttrMetadataError(e.errno, e.strerror) except ImportError: if compat_os_name == 'nt': # Write xattrs to NTFS Alternate Data Streams: # http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29 assert ':' not in key assert os.path.exists(path) ads_fn = path + ':' + key try: with open(ads_fn, 'wb') as f: f.write(value) except EnvironmentError as e: raise XAttrMetadataError(e.errno, e.strerror) else: user_has_setfattr = check_executable('setfattr', ['--version']) user_has_xattr = check_executable('xattr', ['-h']) if user_has_setfattr or user_has_xattr: value = value.decode('utf-8') if user_has_setfattr: executable = 'setfattr' opts = ['-n', key, '-v', value] elif user_has_xattr: executable = 'xattr' opts = ['-w', key, value] cmd = ([encodeFilename(executable, True)] + [encodeArgument(o) for o in opts] + [encodeFilename(path, True)]) try: p = subprocess.Popen( cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE) except EnvironmentError as e: raise XAttrMetadataError(e.errno, e.strerror) stdout, stderr = process_communicate_or_kill(p) stderr = stderr.decode('utf-8', 'replace') if p.returncode != 0: raise XAttrMetadataError(p.returncode, stderr) else: # On Unix, and can't find pyxattr, setfattr, or xattr. if sys.platform.startswith('linux'): raise XAttrUnavailableError( "Couldn't find a tool to set the xattrs. " "Install either the python 'pyxattr' or 'xattr' " "modules, or the GNU 'attr' package " "(which contains the 'setfattr' tool).") else: raise XAttrUnavailableError( "Couldn't find a tool to set the xattrs. " "Install either the python 'xattr' module, " "or the 'xattr' binary.") def random_birthday(year_field, month_field, day_field): start_date = datetime.date(1950, 1, 1) end_date = datetime.date(1995, 12, 31) offset = random.randint(0, (end_date - start_date).days) random_date = start_date + datetime.timedelta(offset) return { year_field: str(random_date.year), month_field: str(random_date.month), day_field: str(random_date.day), } def clean_podcast_url(url): return re.sub(r'''(?x) (?: (?: chtbl\.com/track| media\.blubrry\.com| # https://create.blubrry.com/resources/podcast-media-download-statistics/getting-started/ play\.podtrac\.com )/[^/]+| (?:dts|www)\.podtrac\.com/(?:pts/)?redirect\.[0-9a-z]{3,4}| # http://analytics.podtrac.com/how-to-measure flex\.acast\.com| pd(?: cn\.co| # https://podcorn.com/analytics-prefix/ st\.fm # https://podsights.com/docs/ )/e )/''', '', url) if __debug__: # Raise TypeError if args can't be bound # needs compat owing to unstable inspect API, thanks PSF :-( try: inspect.signature def _try_bind_args(fn, *args, **kwargs): inspect.signature(fn).bind(*args, **kwargs) except AttributeError: # Py < 3.3 def _try_bind_args(fn, *args, **kwargs): fn_args = inspect.getargspec(fn) # Py2: ArgInfo(args, varargs, keywords, defaults) # Py3: ArgSpec(args, varargs, keywords, defaults) if not fn_args.keywords: for k in kwargs: if k not in (fn_args.args or []): raise TypeError("got an unexpected keyword argument: '{0}'".format(k)) if not fn_args.varargs: args_to_bind = len(args) bindable = len(fn_args.args or []) if args_to_bind > bindable: raise TypeError('too many positional arguments') bindable -= len(fn_args.defaults or []) if args_to_bind < bindable: if kwargs: bindable -= len(set(fn_args.args or []) & set(kwargs)) if bindable > args_to_bind: raise TypeError("missing a required argument: '{0}'".format(fn_args.args[args_to_bind])) def traverse_obj(obj, *paths, **kwargs): """ Safely traverse nested `dict`s and `Iterable`s, etc >>> obj = [{}, {"key": "value"}] >>> traverse_obj(obj, (1, "key")) 'value' Each of the provided `paths` is tested and the first producing a valid result will be returned. The next path will also be tested if the path branched but no results could be found. Supported values for traversal are `Mapping`, `Iterable`, `re.Match`, `xml.etree.ElementTree` (xpath) and `http.cookies.Morsel`. Unhelpful values (`{}`, `None`) are treated as the absence of a value and discarded. The paths will be wrapped in `variadic`, so that `'key'` is conveniently the same as `('key', )`. The keys in the path can be one of: - `None`: Return the current object. - `set`: Requires the only item in the set to be a type or function, like `{type}`/`{type, type, ...}`/`{func}`. If one or more `type`s, return only values that have one of the types. If a function, return `func(obj)`. - `str`/`int`: Return `obj[key]`. For `re.Match`, return `obj.group(key)`. - `slice`: Branch out and return all values in `obj[key]`. - `Ellipsis`: Branch out and return a list of all values. - `tuple`/`list`: Branch out and return a list of all matching values. Read as: `[traverse_obj(obj, branch) for branch in branches]`. - `function`: Branch out and return values filtered by the function. Read as: `[value for key, value in obj if function(key, value)]`. For `Sequence`s, `key` is the index of the value. For `Iterable`s, `key` is the enumeration count of the value. For `re.Match`es, `key` is the group number (0 = full match) as well as additionally any group names, if given. - `dict`: Transform the current object and return a matching dict. Read as: `{key: traverse_obj(obj, path) for key, path in dct.items()}`. - `any`-builtin: Take the first matching object and return it, resetting branching. - `all`-builtin: Take all matching objects and return them as a list, resetting branching. `tuple`, `list`, and `dict` all support nested paths and branches. @params paths Paths which to traverse by. Keyword arguments: @param default Value to return if the paths do not match. If the last key in the path is a `dict`, it will apply to each value inside the dict instead, depth first. Try to avoid if using nested `dict` keys. @param expected_type If a `type`, only accept final values of this type. If any other callable, try to call the function on each result. If the last key in the path is a `dict`, it will apply to each value inside the dict instead, recursively. This does respect branching paths. @param get_all If `False`, return the first matching result, otherwise all matching ones. @param casesense If `False`, consider string dictionary keys as case insensitive. The following is only meant to be used by YoutubeDL.prepare_outtmpl and is not part of the API @param _traverse_string Whether to traverse into objects as strings. If `True`, any non-compatible object will first be converted into a string and then traversed into. The return value of that path will be a string instead, not respecting any further branching. @returns The result of the object traversal. If successful, `get_all=True`, and the path branches at least once, then a list of results is returned instead. A list is always returned if the last path branches and no `default` is given. If a path ends on a `dict` that result will always be a `dict`. """ # parameter defaults default = kwargs.get('default', NO_DEFAULT) expected_type = kwargs.get('expected_type') get_all = kwargs.get('get_all', True) casesense = kwargs.get('casesense', True) _traverse_string = kwargs.get('_traverse_string', False) # instant compat str = compat_str casefold = lambda k: compat_casefold(k) if isinstance(k, str) else k if isinstance(expected_type, type): type_test = lambda val: val if isinstance(val, expected_type) else None else: type_test = lambda val: try_call(expected_type or IDENTITY, args=(val,)) def lookup_or_none(v, k, getter=None): with compat_contextlib_suppress(LookupError): return getter(v, k) if getter else v[k] def from_iterable(iterables): # chain.from_iterable(['ABC', 'DEF']) --> A B C D E F for it in iterables: for item in it: yield item def apply_key(key, obj, is_last): branching = False if obj is None and _traverse_string: if key is Ellipsis or callable(key) or isinstance(key, slice): branching = True result = () else: result = None elif key is None: result = obj elif isinstance(key, set): assert len(key) >= 1, 'At least one item is required in a `set` key' if all(isinstance(item, type) for item in key): result = obj if isinstance(obj, tuple(key)) else None else: item = next(iter(key)) assert len(key) == 1, 'Multiple items in a `set` key must all be types' result = try_call(item, args=(obj,)) if not isinstance(item, type) else None elif isinstance(key, (list, tuple)): branching = True result = from_iterable( apply_path(obj, branch, is_last)[0] for branch in key) elif key is Ellipsis: branching = True if isinstance(obj, compat_http_cookies.Morsel): obj = dict(obj, key=obj.key, value=obj.value) if isinstance(obj, compat_collections_abc.Mapping): result = obj.values() elif is_iterable_like(obj, (compat_collections_abc.Iterable, compat_etree_Element)): result = obj elif isinstance(obj, compat_re_Match): result = obj.groups() elif _traverse_string: branching = False result = str(obj) else: result = () elif callable(key): branching = True if isinstance(obj, compat_http_cookies.Morsel): obj = dict(obj, key=obj.key, value=obj.value) if isinstance(obj, compat_collections_abc.Mapping): iter_obj = obj.items() elif is_iterable_like(obj, (compat_collections_abc.Iterable, compat_etree_Element)): iter_obj = enumerate(obj) elif isinstance(obj, compat_re_Match): iter_obj = itertools.chain( enumerate(itertools.chain((obj.group(),), obj.groups())), obj.groupdict().items()) elif _traverse_string: branching = False iter_obj = enumerate(str(obj)) else: iter_obj = () result = (v for k, v in iter_obj if try_call(key, args=(k, v))) if not branching: # string traversal result = ''.join(result) elif isinstance(key, dict): iter_obj = ((k, _traverse_obj(obj, v, False, is_last)) for k, v in key.items()) result = dict((k, v if v is not None else default) for k, v in iter_obj if v is not None or default is not NO_DEFAULT) or None elif isinstance(obj, compat_collections_abc.Mapping): if isinstance(obj, compat_http_cookies.Morsel): obj = dict(obj, key=obj.key, value=obj.value) result = (try_call(obj.get, args=(key,)) if casesense or try_call(obj.__contains__, args=(key,)) else next((v for k, v in obj.items() if casefold(k) == key), None)) elif isinstance(obj, compat_re_Match): result = None if isinstance(key, int) or casesense: # Py 2.6 doesn't have methods in the Match class/type result = lookup_or_none(obj, key, getter=lambda _, k: obj.group(k)) elif isinstance(key, str): result = next((v for k, v in obj.groupdict().items() if casefold(k) == key), None) else: result = None if isinstance(key, (int, slice)): if is_iterable_like(obj, (compat_collections_abc.Sequence, compat_etree_Element)): branching = isinstance(key, slice) result = lookup_or_none(obj, key) elif _traverse_string: result = lookup_or_none(str(obj), key) elif isinstance(obj, compat_etree_Element) and isinstance(key, str): xpath, _, special = key.rpartition('/') if not special.startswith('@') and not special.endswith('()'): xpath = key special = None # Allow abbreviations of relative paths, absolute paths error if xpath.startswith('/'): xpath = '.' + xpath elif xpath and not xpath.startswith('./'): xpath = './' + xpath def apply_specials(element): if special is None: return element if special == '@': return element.attrib if special.startswith('@'): return try_call(element.attrib.get, args=(special[1:],)) if special == 'text()': return element.text raise SyntaxError('apply_specials is missing case for {0!r}'.format(special)) if xpath: result = list(map(apply_specials, compat_etree_iterfind(obj, xpath))) else: result = apply_specials(obj) return branching, result if branching else (result,) def lazy_last(iterable): iterator = iter(iterable) prev = next(iterator, NO_DEFAULT) if prev is NO_DEFAULT: return for item in iterator: yield False, prev prev = item yield True, prev def apply_path(start_obj, path, test_type): objs = (start_obj,) has_branched = False key = None for last, key in lazy_last(variadic(path, (str, bytes, dict, set))): if not casesense and isinstance(key, str): key = compat_casefold(key) if key in (any, all): has_branched = False filtered_objs = (obj for obj in objs if obj not in (None, {})) if key is any: objs = (next(filtered_objs, None),) else: objs = (list(filtered_objs),) continue if __debug__ and callable(key): # Verify function signature _try_bind_args(key, None, None) new_objs = [] for obj in objs: branching, results = apply_key(key, obj, last) has_branched |= branching new_objs.append(results) objs = from_iterable(new_objs) if test_type and not isinstance(key, (dict, list, tuple)): objs = map(type_test, objs) return objs, has_branched, isinstance(key, dict) def _traverse_obj(obj, path, allow_empty, test_type): results, has_branched, is_dict = apply_path(obj, path, test_type) results = LazyList(x for x in results if x not in (None, {})) if get_all and has_branched: if results: return results.exhaust() if allow_empty: return [] if default is NO_DEFAULT else default return None return results[0] if results else {} if allow_empty and is_dict else None for index, path in enumerate(paths, 1): result = _traverse_obj(obj, path, index == len(paths), True) if result is not None: return result return None if default is NO_DEFAULT else default def T(*x): """ For use in yt-dl instead of {type, ...} or set((type, ...)) """ return set(x) def get_first(obj, keys, **kwargs): return traverse_obj(obj, (Ellipsis,) + tuple(variadic(keys)), get_all=False, **kwargs) def join_nonempty(*values, **kwargs): # parameter defaults delim = kwargs.get('delim', '-') from_dict = kwargs.get('from_dict') if from_dict is not None: values = (traverse_obj(from_dict, variadic(v)) for v in values) return delim.join(map(compat_str, filter(None, values))) class Namespace(object): """Immutable namespace""" def __init__(self, **kw_attr): self.__dict__.update(kw_attr) def __iter__(self): return iter(self.__dict__.values()) @property def items_(self): return self.__dict__.items() MEDIA_EXTENSIONS = Namespace( common_video=('avi', 'flv', 'mkv', 'mov', 'mp4', 'webm'), video=('3g2', '3gp', 'f4v', 'mk3d', 'divx', 'mpg', 'ogv', 'm4v', 'wmv'), common_audio=('aiff', 'alac', 'flac', 'm4a', 'mka', 'mp3', 'ogg', 'opus', 'wav'), audio=('aac', 'ape', 'asf', 'f4a', 'f4b', 'm4b', 'm4p', 'm4r', 'oga', 'ogx', 'spx', 'vorbis', 'wma', 'weba'), thumbnails=('jpg', 'png', 'webp'), # storyboards=('mhtml', ), subtitles=('srt', 'vtt', 'ass', 'lrc', 'ttml'), manifests=('f4f', 'f4m', 'm3u8', 'smil', 'mpd'), ) MEDIA_EXTENSIONS.video = MEDIA_EXTENSIONS.common_video + MEDIA_EXTENSIONS.video MEDIA_EXTENSIONS.audio = MEDIA_EXTENSIONS.common_audio + MEDIA_EXTENSIONS.audio KNOWN_EXTENSIONS = ( MEDIA_EXTENSIONS.video + MEDIA_EXTENSIONS.audio + MEDIA_EXTENSIONS.manifests ) class _UnsafeExtensionError(Exception): """ Mitigation exception for unwanted file overwrite/path traversal Ref: https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-79w7-vh3h-8g4j """ _ALLOWED_EXTENSIONS = frozenset(itertools.chain( ( # internal 'description', 'json', 'meta', 'orig', 'part', 'temp', 'uncut', 'unknown_video', 'ytdl', ), # video MEDIA_EXTENSIONS.video, ( 'asx', 'ismv', 'm2t', 'm2ts', 'm2v', 'm4s', 'mng', 'mp2v', 'mp4v', 'mpe', 'mpeg', 'mpeg1', 'mpeg2', 'mpeg4', 'mxf', 'ogm', 'qt', 'rm', 'swf', 'ts', 'vob', 'vp9', ), # audio MEDIA_EXTENSIONS.audio, ( '3ga', 'ac3', 'adts', 'aif', 'au', 'dts', 'isma', 'it', 'mid', 'mod', 'mpga', 'mp1', 'mp2', 'mp4a', 'mpa', 'ra', 'shn', 'xm', ), # image MEDIA_EXTENSIONS.thumbnails, ( 'avif', 'bmp', 'gif', 'ico', 'heic', 'jng', 'jpeg', 'jxl', 'svg', 'tif', 'tiff', 'wbmp', ), # subtitle MEDIA_EXTENSIONS.subtitles, ( 'dfxp', 'fs', 'ismt', 'json3', 'sami', 'scc', 'srv1', 'srv2', 'srv3', 'ssa', 'tt', 'xml', ), # others MEDIA_EXTENSIONS.manifests, ( # not used in yt-dl # *MEDIA_EXTENSIONS.storyboards, # 'desktop', # 'ism', # 'm3u', # 'sbv', # 'swp', # 'url', # 'webloc', ))) def __init__(self, extension): super(_UnsafeExtensionError, self).__init__('unsafe file extension: {0!r}'.format(extension)) self.extension = extension # support --no-check-extensions lenient = False @classmethod def sanitize_extension(cls, extension, **kwargs): # ... /, *, prepend=False prepend = kwargs.get('prepend', False) if '/' in extension or '\\' in extension: raise cls(extension) if not prepend: last = extension.rpartition('.')[-1] if last == 'bin': extension = last = 'unknown_video' if not (cls.lenient or last.lower() in cls._ALLOWED_EXTENSIONS): raise cls(extension) return extension