#!/usr/bin/env python3 # coding: utf-8 from __future__ import unicode_literals import asyncio import atexit 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 gzip import hashlib import hmac import importlib.util 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 xml.etree.ElementTree import zlib import mimetypes from .compat import ( compat_HTMLParseError, compat_HTMLParser, compat_HTTPError, compat_basestring, compat_brotli, compat_chr, compat_cookiejar, compat_ctypes_WINFUNCTYPE, compat_etree_fromstring, compat_expanduser, compat_html_entities, compat_html_entities_html5, compat_http_client, compat_integer_types, compat_numeric_types, compat_kwargs, compat_os_name, compat_parse_qs, compat_shlex_split, compat_shlex_quote, compat_str, compat_struct_pack, compat_struct_unpack, compat_urllib_error, compat_urllib_parse, compat_urllib_parse_urlencode, compat_urllib_parse_urlparse, compat_urllib_parse_urlunparse, compat_urllib_parse_quote, compat_urllib_parse_quote_plus, compat_urllib_parse_unquote_plus, compat_urllib_request, compat_urlparse, compat_websockets, 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_urlparse.uses_netloc: compat_urlparse.uses_netloc.append(scheme) # This is not clearly defined otherwise compiled_regex_type = type(re.compile('')) 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 = ( '90.0.4430.212', '90.0.4430.24', '90.0.4430.70', '90.0.4430.72', '90.0.4430.85', '90.0.4430.93', '91.0.4472.101', '91.0.4472.106', '91.0.4472.114', '91.0.4472.124', '91.0.4472.164', '91.0.4472.19', '91.0.4472.77', '92.0.4515.107', '92.0.4515.115', '92.0.4515.131', '92.0.4515.159', '92.0.4515.43', '93.0.4556.0', '93.0.4577.15', '93.0.4577.63', '93.0.4577.82', '94.0.4606.41', '94.0.4606.54', '94.0.4606.61', '94.0.4606.71', '94.0.4606.81', '94.0.4606.85', '95.0.4638.17', '95.0.4638.50', '95.0.4638.54', '95.0.4638.69', '95.0.4638.74', '96.0.4664.18', '96.0.4664.45', '96.0.4664.55', '96.0.4664.93', '97.0.4692.20', ) return _USER_AGENT_TPL % random.choice(_CHROME_VERSIONS) SUPPORTED_ENCODINGS = [ 'gzip', 'deflate' ] if compat_brotli: SUPPORTED_ENCODINGS.append('br') std_headers = { 'User-Agent': random_user_agent(), 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Encoding': ', '.join(SUPPORTED_ENCODINGS), 'Accept-Language': 'en-us,en;q=0.5', 'Sec-Fetch-Mode': 'navigate', } 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() 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'], } KNOWN_EXTENSIONS = ( 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac', 'flv', 'f4v', 'f4a', 'f4b', 'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus', 'mkv', 'mka', 'mk3d', 'avi', 'divx', 'mov', 'asf', 'wmv', 'wma', '3gp', '3g2', 'mp3', 'flac', 'ape', 'wav', 'f4f', 'f4m', 'm3u8', 'smil') # 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', ]) 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)]+type=(["\']?)application/ld\+json\1[^>]*>(?P.+?)' 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(fn).decode(encoding) # the same for os.path.dirname path_dirname = lambda f: os.path.dirname(fn).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, ensure_ascii=False) if sys.platform == 'win32': # Need to remove existing file on Windows, else os.rename raises # WindowsError or FileExistsError. try: os.unlink(fn) except OSError: pass try: mask = os.umask(0) os.umask(mask) os.chmod(tf.name, 0o666 & ~mask) except OSError: pass os.rename(tf.name, fn) except Exception: try: os.remove(tf.name) except OSError: pass 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, (str, compat_str)): 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_html_by_id(id, html): """Return the html of the tag with the specified ID in the passed HTML document""" return get_element_html_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_html_by_class(class_name, html): """Return the html of the first tag with the specified class in the passed HTML document""" retval = get_elements_html_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_element_html_by_attribute(attribute, value, html, escape_value=True): retval = get_elements_html_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_html_by_class(class_name, html): """Return the html of all tags with the specified class in the passed HTML document as a list""" return get_elements_html_by_attribute( 'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name), html, escape_value=False) def get_elements_by_attribute(*args, **kwargs): """Return the content of the tag with the specified attribute in the passed HTML document""" return [content for content, _ in get_elements_text_and_html_by_attribute(*args, **kwargs)] def get_elements_html_by_attribute(*args, **kwargs): """Return the html of the tag with the specified attribute in the passed HTML document""" return [whole for _, whole in get_elements_text_and_html_by_attribute(*args, **kwargs)] def get_elements_text_and_html_by_attribute(attribute, value, html, escape_value=True): """ Return the text (content) and the html (whole) of the tag with the specified attribute in the passed HTML document """ value_quote_optional = '' if re.match(r'''[\s"'`=<>]''', value) else '?' value = re.escape(value) if escape_value else value partial_element_re = r'''(?x) <(?P[a-zA-Z0-9:._-]+) (?:\s(?:[^>"']|"[^"]*"|'[^']*')*)? \s%(attribute)s\s*=\s*(?P<_q>['"]%(vqo)s)(?-x:%(value)s)(?P=_q) ''' % {'attribute': re.escape(attribute), 'value': value, 'vqo': value_quote_optional} for m in re.finditer(partial_element_re, html): content, whole = get_element_text_and_html_by_tag(m.group('tag'), html[m.start():]) yield ( unescapeHTML(re.sub(r'^(?P["\'])(?P.*)(?P=q)$', r'\g', content, flags=re.DOTALL)), whole ) class HTMLBreakOnClosingTagParser(compat_HTMLParser): """ HTML parser which raises HTMLBreakOnClosingTagException upon reaching the closing tag for the first opening tag it has encountered, and can be used as a context manager """ class HTMLBreakOnClosingTagException(Exception): pass def __init__(self): self.tagstack = collections.deque() compat_HTMLParser.__init__(self) def __enter__(self): return self def __exit__(self, *_): self.close() def close(self): # handle_endtag does not return upon raising HTMLBreakOnClosingTagException, # so data remains buffered; we no longer have any interest in it, thus # override this method to discard it pass def handle_starttag(self, tag, _): self.tagstack.append(tag) def handle_endtag(self, tag): if not self.tagstack: raise compat_HTMLParseError('no tags in the stack') while self.tagstack: inner_tag = self.tagstack.pop() if inner_tag == tag: break else: raise compat_HTMLParseError(f'matching opening tag for closing {tag} tag not found') if not self.tagstack: raise self.HTMLBreakOnClosingTagException() def get_element_text_and_html_by_tag(tag, html): """ For the first element with the specified tag in the passed HTML document return its' content (text) and the whole element (html) """ def find_or_raise(haystack, needle, exc): try: return haystack.index(needle) except ValueError: raise exc closing_tag = f'' whole_start = find_or_raise( html, f'<{tag}', compat_HTMLParseError(f'opening {tag} tag not found')) content_start = find_or_raise( html[whole_start:], '>', compat_HTMLParseError(f'malformed opening {tag} tag')) content_start += whole_start + 1 with HTMLBreakOnClosingTagParser() as parser: parser.feed(html[whole_start:content_start]) if not parser.tagstack or parser.tagstack[0] != tag: raise compat_HTMLParseError(f'parser did not match opening {tag} tag') offset = content_start while offset < len(html): next_closing_tag_start = find_or_raise( html[offset:], closing_tag, compat_HTMLParseError(f'closing {tag} tag not found')) next_closing_tag_end = next_closing_tag_start + len(closing_tag) try: parser.feed(html[offset:offset + next_closing_tag_end]) offset += next_closing_tag_end except HTMLBreakOnClosingTagParser.HTMLBreakOnClosingTagException: return html[content_start:offset + next_closing_tag_start], \ html[whole_start:offset + next_closing_tag_end] raise compat_HTMLParseError('unexpected end of html') 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) class HTMLListAttrsParser(compat_HTMLParser): """HTML parser to gather the attributes for the elements of a list""" def __init__(self): compat_HTMLParser.__init__(self) self.items = [] self._level = 0 def handle_starttag(self, tag, attrs): if tag == 'li' and self._level == 0: self.items.append(dict(attrs)) self._level += 1 def handle_endtag(self, tag): self._level -= 1 def extract_attributes(html_element): """Given a string for an HTML element such as 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. """ parser = HTMLAttributeParser() try: parser.feed(html_element) parser.close() # Older Python may throw HTMLParseError in case of malformed HTML except compat_HTMLParseError: pass return parser.attrs def parse_list(webpage): """Given a string for an series of HTML
  • elements, return a dictionary of their attributes""" parser = HTMLListAttrsParser() parser.feed(webpage) parser.close() return parser.items def clean_html(html): """Clean an HTML snippet into a readable string""" if html is None: # Convenience for sanitizing descriptions etc. return html html = re.sub(r'\s+', ' ', html) 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 = locked_file(filename, open_mode, block=False).open() 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 = locked_file(filename, open_mode, block=False).open() 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] elif not restricted and char == '\n': return ' ' elif 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 '!&\'()[]{}$;`^,#' or char.isspace()): return '_' if restricted and ord(char) > 127: return '_' return char if s == '': return '' # Handle timestamps s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s) result = ''.join(map(replace_insane, s)) if not is_id: while '__' in result: result = result.replace('__', '_') result = result.strip('_') # Common case of "Foreign band name - English song title" if restricted and result.startswith('-_'): result = result[2:] if result.startswith('-'): result = '_' + result[len('-'):] result = result.lstrip('.') if not result: result = '_' return result def sanitize_path(s, force=False): """Sanitizes and normalizes path on Windows""" if sys.platform == 'win32': force = False drive_or_unc, _ = os.path.splitdrive(s) if sys.version_info < (2, 7) and not drive_or_unc: drive_or_unc, _ = os.path.splitunc(s) elif force: drive_or_unc = '' else: return s norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep) if drive_or_unc: norm_path.pop(0) sanitized_path = [ path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part) for path_part in norm_path] if drive_or_unc: sanitized_path.insert(0, drive_or_unc + os.path.sep) elif force and s[0] == os.path.sep: sanitized_path.insert(0, 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_urlparse.urlsplit(url) if parts.username is None: return url, None url = compat_urlparse.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 ' + auth_payload.decode('utf-8') 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) >= 2 else kwargs.setdefault('headers', {}) headers['Authorization'] = auth_header 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 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 type(s) == compat_str return re.sub( r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s) def escapeHTML(text): return ( text .replace('&', '&') .replace('<', '<') .replace('>', '>') .replace('"', '"') .replace("'", ''') ) def process_communicate_or_kill(p, *args, **kwargs): try: return p.communicate(*args, **kwargs) except BaseException: # Including KeyboardInterrupt p.kill() p.wait() raise class Popen(subprocess.Popen): if sys.platform == 'win32': _startupinfo = subprocess.STARTUPINFO() _startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW else: _startupinfo = None def __init__(self, *args, **kwargs): super(Popen, self).__init__(*args, **kwargs, startupinfo=self._startupinfo) def communicate_or_kill(self, *args, **kwargs): return process_communicate_or_kill(self, *args, **kwargs) 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 def encodeFilename(s, for_subprocess=False): """ @param s The name of the file """ assert type(s) == compat_str # Python 3 has a Unicode API if sys.version_info >= (3, 0): return s # 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: return s # Jython assumes filenames are Unicode strings though reported as Python 2.x compatible if sys.platform.startswith('java'): return s return s.encode(get_subprocess_encoding(), 'ignore') def decodeFilename(b, for_subprocess=False): if sys.version_info >= (3, 0): return b if not isinstance(b, bytes): return b return b.decode(get_subprocess_encoding(), 'ignore') 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 if isinstance(optval, bytes): optval = optval.decode(preferredencoding()) assert isinstance(optval, compat_str) return optval _timetuple = collections.namedtuple('Time', ('hours', 'minutes', 'seconds', 'milliseconds')) def timetuple_from_msec(msec): secs, msec = divmod(msec, 1000) mins, secs = divmod(secs, 60) hrs, mins = divmod(mins, 60) return _timetuple(hrs, mins, secs, msec) def formatSeconds(secs, delim=':', msec=False): time = timetuple_from_msec(secs * 1000) if time.hours: ret = '%d%s%02d%s%02d' % (time.hours, delim, time.minutes, delim, time.seconds) elif time.minutes: ret = '%d%s%02d' % (time.minutes, delim, time.seconds) else: ret = '%d' % time.seconds return '%s.%03d' % (ret, time.milliseconds) if msec else ret def _ssl_load_windows_store_certs(ssl_context, storename): # Code adapted from _load_windows_store_certs in https://github.com/python/cpython/blob/main/Lib/ssl.py try: certs = [cert for cert, encoding, trust in ssl.enum_certificates(storename) if encoding == 'x509_asn' and ( trust is True or ssl.Purpose.SERVER_AUTH.oid in trust)] except PermissionError: return for cert in certs: try: ssl_context.load_verify_locations(cadata=cert) except ssl.SSLError: pass def make_HTTPS_handler(params, **kwargs): opts_check_certificate = not params.get('nocheckcertificate') context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT) context.check_hostname = opts_check_certificate if params.get('legacyserverconnect'): context.options |= 4 # SSL_OP_LEGACY_SERVER_CONNECT context.verify_mode = ssl.CERT_REQUIRED if opts_check_certificate else ssl.CERT_NONE if opts_check_certificate: try: context.load_default_certs() # Work around the issue in load_default_certs when there are bad certificates. See: # https://github.com/yt-dlp/yt-dlp/issues/1060, # https://bugs.python.org/issue35665, https://bugs.python.org/issue45312 except ssl.SSLError: # enum_certificates is not present in mingw python. See https://github.com/yt-dlp/yt-dlp/issues/1151 if sys.platform == 'win32' and hasattr(ssl, 'enum_certificates'): # Create a new context to discard any certificates that were already loaded context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT) context.check_hostname, context.verify_mode = True, ssl.CERT_REQUIRED for storename in ('CA', 'ROOT'): _ssl_load_windows_store_certs(context, storename) context.set_default_verify_paths() return YoutubeDLHTTPSHandler(params, context=context, **kwargs) def bug_reports_message(before=';'): msg = ('please report this issue on https://github.com/yt-dlp/yt-dlp , ' 'filling out the "Broken site" issue template properly. ' 'Confirm you are on the latest version using -U') before = before.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.""" msg = None def __init__(self, msg=None): if msg is not None: self.msg = msg elif self.msg is None: self.msg = type(self).__name__ super().__init__(self.msg) network_exceptions = [compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error] if hasattr(ssl, 'CertificateError'): network_exceptions.append(ssl.CertificateError) network_exceptions = tuple(network_exceptions) class ExtractorError(YoutubeDLError): """Error during info extraction.""" def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=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 yt-dlp. """ if sys.exc_info()[0] in network_exceptions: expected = True self.orig_msg = str(msg) self.traceback = tb self.expected = expected self.cause = cause self.video_id = video_id self.ie = ie self.exc_info = sys.exc_info() # preserve original exception super(ExtractorError, self).__init__(''.join(( format_field(ie, template='[%s] '), format_field(video_id, template='%s: '), msg, format_field(cause, template=' (caused by %r)'), '' if expected else bug_reports_message()))) def format_traceback(self): return join_nonempty( self.traceback and ''.join(traceback.format_tb(self.traceback)), self.cause and ''.join(traceback.format_exception(self.cause)[1:]), delim='\n') or None 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, **kwargs): kwargs['expected'] = True super(GeoRestrictedError, self).__init__(msg, **kwargs) 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 EntryNotInPlaylist(YoutubeDLError): """Entry not in playlist exception. This exception will be thrown by YoutubeDL when a requested entry is not found in the playlist info_dict """ msg = 'Entry not found in 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. """ msg = 'Fixed output name but more than one file to download' def __init__(self, filename=None): if filename is not None: self.msg += f': {filename}' super().__init__(self.msg) class PostProcessingError(YoutubeDLError): """Post Processing exception. This exception may be raised by PostProcessor's .run() method to indicate an error in the postprocessing task. """ class DownloadCancelled(YoutubeDLError): """ Exception raised when the download queue should be interrupted """ msg = 'The download was cancelled' class ExistingVideoReached(DownloadCancelled): """ --break-on-existing triggered """ msg = 'Encountered a video that is already in the archive, stopping due to --break-on-existing' class RejectedVideoReached(DownloadCancelled): """ --break-on-reject triggered """ msg = 'Encountered a video that did not match filter, stopping due to --break-on-reject' class MaxDownloadsReached(DownloadCancelled): """ --max-downloads limit has been reached. """ msg = 'Maximum number of downloads reached, stopping due to --max-downloads' class ReExtractInfo(YoutubeDLError): """ Video info needs to be re-extracted. """ def __init__(self, msg, expected=False): super().__init__(msg) self.expected = expected class ThrottledDownload(ReExtractInfo): """ Download speed below --throttled-rate. """ msg = 'The download speed is below throttle limit' def __init__(self): super().__init__(self.msg, expected=False) 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. """ msg = 'Unable to download video' def __init__(self, err=None): if err is not None: self.msg += f': {err}' super().__init__(self.msg) 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 = dict((k, v) for k, v in filtered_headers.items() if 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/ 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(data): if not data: return data try: return zlib.decompress(data, -zlib.MAX_WBITS) except zlib.error: return zlib.decompress(data) @staticmethod def brotli(data): if not data: return data return compat_brotli.decompress(data) def http_request(self, req): # 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 = req.get_full_url() url_escaped = escape_url(url) # Substitute URL if any change after escaping if url != url_escaped: req = update_Request(req, url=url_escaped) for h, v in self._params.get('http_headers', 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) req.headers = handle_youtubedl_headers(req.headers) if sys.version_info < (2, 7) and '#' 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] return req def http_response(self, req, resp): old_resp = resp # gzip if resp.headers.get('Content-encoding', '') == 'gzip': content = resp.read() gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb') try: uncompressed = io.BytesIO(gz.read()) except IOError as original_ioerror: # There may be junk add the end of the file # See http://stackoverflow.com/q/4928560/35070 for details for i in range(1, 1024): try: gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb') uncompressed = io.BytesIO(gz.read()) except IOError: continue break else: raise original_ioerror resp = compat_urllib_request.addinfourl(uncompressed, old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg del resp.headers['Content-encoding'] # deflate if resp.headers.get('Content-encoding', '') == 'deflate': gz = io.BytesIO(self.deflate(resp.read())) resp = compat_urllib_request.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg del resp.headers['Content-encoding'] # brotli if resp.headers.get('Content-encoding', '') == 'br': resp = compat_urllib_request.addinfourl( io.BytesIO(self.brotli(resp.read())), old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg del resp.headers['Content-encoding'] # 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').decode('utf-8') else: location = location.decode('utf-8') location_escaped = escape_url(location) if location != location_escaped: del resp.headers['Location'] if sys.version_info < (3, 0): 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_urlparse.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 yt-dlp. 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 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 solves two issues: - ensures redirect URL is always unicode under python 2 - introduces support for experimental HTTP response status code 308 Permanent Redirect [2] used by some sites [3] 1. https://github.com/python/cpython/blob/master/Lib/urllib/request.py 2. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/308 3. https://github.com/ytdl-org/youtube-dl/issues/28768 """ http_error_301 = http_error_303 = http_error_307 = 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. """ m = req.get_method() if (not (code in (301, 302, 303, 307, 308) and m in ("GET", "HEAD") or code in (301, 302, 303) and m == "POST")): raise compat_HTTPError(req.full_url, code, msg, headers, fp) # Strictly (according to RFC 2616), 301 or 302 in response to # a POST MUST NOT cause a redirection without confirmation # from the user (of urllib.request, in this case). In practice, # essentially all clients do redirect in this case, so we do # the same. # On python 2 urlh.geturl() may sometimes return redirect URL # as byte string instead of unicode. This workaround allows # to force it always return unicode. if sys.version_info[0] < 3: newurl = 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') CONTENT_HEADERS = ("content-length", "content-type") # NB: don't use dict comprehension for python 2.6 compatibility newheaders = dict((k, v) for k, v in req.headers.items() if k.lower() not in CONTENT_HEADERS) return compat_urllib_request.Request( newurl, headers=newheaders, origin_req_host=req.origin_req_host, unverifiable=True) def extract_timezone(date_str): m = re.search( r'''(?x) ^.{8,}? # >=8 char non-TZ prefix, if present (?PZ| # just the UTC Z, or (?:(?<=.\b\d{4}|\b\d{2}:\d\d)| # preceded by 4 digits or hh:mm or (?= 4 alpha or 2 digits [ ]? # optional space (?P\+|-) # +/- (?P[0-9]{2}):?(?P[0-9]{2}) # hh[:]mm $) ''', date_str) if not m: timezone = datetime.timedelta() 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) try: 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()) except ValueError: pass 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): try: upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d') except ValueError: pass if upload_date is None: timetuple = email.utils.parsedate_tz(date_str) if timetuple: try: upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d') except ValueError: pass 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'[,|]', '', 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\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]+$', date_str) if m: date_str = m.group(1) for expression in date_formats(day_first): try: dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta) return calendar.timegm(dt.timetuple()) except ValueError: pass timetuple = email.utils.parsedate_tz(date_str) if timetuple: return calendar.timegm(timetuple) + pm_delta * 3600 def determine_ext(url, default_ext='unknown_video'): if url is None or '.' not in url: return default_ext guess = url.partition('?')[0].rpartition('.')[2] if re.match(r'^[A-Za-z0-9]+$', 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 datetime_from_str(date_str, precision='auto', format='%Y%m%d'): """ Return a datetime object from a string in the format YYYYMMDD or (now|today|yesterday|date)[+-][0-9](microsecond|second|minute|hour|day|week|month|year)(s)? format: string date format used to return datetime object from precision: round the time portion of a datetime object. auto|microsecond|second|minute|hour|day. auto: round to the unit provided in date_str (if applicable). """ auto_precision = False if precision == 'auto': auto_precision = True precision = 'microsecond' today = datetime_round(datetime.datetime.utcnow(), precision) if date_str in ('now', 'today'): return today if date_str == 'yesterday': return today - datetime.timedelta(days=1) match = re.match( r'(?P.+)(?P[+-])(?P