#!/usr/bin/env python # -*- coding: utf-8 -*- import calendar import codecs import contextlib import ctypes import datetime import email.utils import errno import getpass import gzip import itertools import io import json import locale import math import os import pipes import platform import re import ssl import socket import struct import subprocess import sys import tempfile import traceback import xml.etree.ElementTree import zlib try: import urllib.request as compat_urllib_request except ImportError: # Python 2 import urllib2 as compat_urllib_request try: import urllib.error as compat_urllib_error except ImportError: # Python 2 import urllib2 as compat_urllib_error try: import urllib.parse as compat_urllib_parse except ImportError: # Python 2 import urllib as compat_urllib_parse try: from urllib.parse import urlparse as compat_urllib_parse_urlparse except ImportError: # Python 2 from urlparse import urlparse as compat_urllib_parse_urlparse try: import urllib.parse as compat_urlparse except ImportError: # Python 2 import urlparse as compat_urlparse try: import http.cookiejar as compat_cookiejar except ImportError: # Python 2 import cookielib as compat_cookiejar try: import html.entities as compat_html_entities except ImportError: # Python 2 import htmlentitydefs as compat_html_entities try: import html.parser as compat_html_parser except ImportError: # Python 2 import HTMLParser as compat_html_parser try: import http.client as compat_http_client except ImportError: # Python 2 import httplib as compat_http_client try: from urllib.error import HTTPError as compat_HTTPError except ImportError: # Python 2 from urllib2 import HTTPError as compat_HTTPError try: from urllib.request import urlretrieve as compat_urlretrieve except ImportError: # Python 2 from urllib import urlretrieve as compat_urlretrieve try: from subprocess import DEVNULL compat_subprocess_get_DEVNULL = lambda: DEVNULL except ImportError: compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w') try: from urllib.parse import unquote as compat_urllib_parse_unquote except ImportError: def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'): if string == '': return string res = string.split('%') if len(res) == 1: return string if encoding is None: encoding = 'utf-8' if errors is None: errors = 'replace' # pct_sequence: contiguous sequence of percent-encoded bytes, decoded pct_sequence = b'' string = res[0] for item in res[1:]: try: if not item: raise ValueError pct_sequence += item[:2].decode('hex') rest = item[2:] if not rest: # This segment was just a single percent-encoded character. # May be part of a sequence of code units, so delay decoding. # (Stored in pct_sequence). continue except ValueError: rest = '%' + item # Encountered non-percent-encoded characters. Flush the current # pct_sequence. string += pct_sequence.decode(encoding, errors) + rest pct_sequence = b'' if pct_sequence: # Flush the final pct_sequence string += pct_sequence.decode(encoding, errors) return string try: from urllib.parse import parse_qs as compat_parse_qs except ImportError: # Python 2 # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib. # Python 2's version is apparently totally broken def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False, encoding='utf-8', errors='replace'): qs, _coerce_result = qs, unicode pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')] r = [] for name_value in pairs: if not name_value and not strict_parsing: continue nv = name_value.split('=', 1) if len(nv) != 2: if strict_parsing: raise ValueError("bad query field: %r" % (name_value,)) # Handle case of a control-name with no equal sign if keep_blank_values: nv.append('') else: continue if len(nv[1]) or keep_blank_values: name = nv[0].replace('+', ' ') name = compat_urllib_parse_unquote( name, encoding=encoding, errors=errors) name = _coerce_result(name) value = nv[1].replace('+', ' ') value = compat_urllib_parse_unquote( value, encoding=encoding, errors=errors) value = _coerce_result(value) r.append((name, value)) return r def compat_parse_qs(qs, keep_blank_values=False, strict_parsing=False, encoding='utf-8', errors='replace'): parsed_result = {} pairs = _parse_qsl(qs, keep_blank_values, strict_parsing, encoding=encoding, errors=errors) for name, value in pairs: if name in parsed_result: parsed_result[name].append(value) else: parsed_result[name] = [value] return parsed_result try: compat_str = unicode # Python 2 except NameError: compat_str = str try: compat_chr = unichr # Python 2 except NameError: compat_chr = chr try: from xml.etree.ElementTree import ParseError as compat_xml_parse_error except ImportError: # Python 2.6 from xml.parsers.expat import ExpatError as compat_xml_parse_error try: from shlex import quote as shlex_quote except ImportError: # Python < 3.3 def shlex_quote(s): return "'" + s.replace("'", "'\"'\"'") + "'" def compat_ord(c): if type(c) is int: return c else: return ord(c) # This is not clearly defined otherwise compiled_regex_type = type(re.compile('')) std_headers = { 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20100101 Firefox/10.0 (Chrome)', 'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Encoding': 'gzip, deflate', 'Accept-Language': 'en-us,en;q=0.5', } 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() u'TEST'.encode(pref) except: pref = 'UTF-8' return pref if sys.version_info < (3,0): def compat_print(s): print(s.encode(preferredencoding(), 'xmlcharrefreplace')) else: def compat_print(s): assert type(s) == type(u'') print(s) def write_json_file(obj, fn): """ Encode obj as JSON and write it to fn, atomically """ args = { 'suffix': '.tmp', 'prefix': os.path.basename(fn) + '.', 'dir': os.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(**args) try: with tf: json.dump(obj, tf) os.rename(tf.name, fn) except: try: os.remove(tf.name) except OSError: pass raise if sys.version_info >= (2, 7): def find_xpath_attr(node, xpath, key, val): """ Find the xpath xpath[@key=val] """ assert re.match(r'^[a-zA-Z-]+$', key) assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val) expr = xpath + u"[@%s='%s']" % (key, val) return node.find(expr) else: def find_xpath_attr(node, xpath, key, val): # Here comes the crazy part: In 2.6, if the xpath is a unicode, # .//node does not match if a node is a direct child of . ! if isinstance(xpath, unicode): xpath = xpath.encode('ascii') for f in node.findall(xpath): if 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_text(node, xpath, name=None, fatal=False): if sys.version_info < (2, 7): # Crazy 2.6 xpath = xpath.encode('ascii') n = node.find(xpath) if n is None: if fatal: name = xpath if name is None else name raise ExtractorError('Could not find XML element %s' % name) else: return None return n.text compat_html_parser.locatestarttagend = re.compile(r"""<[a-zA-Z][-.a-zA-Z0-9:_]*(?:\s+(?:(?<=['"\s])[^\s/>][^\s/=>]*(?:\s*=+\s*(?:'[^']*'|"[^"]*"|(?!['"])[^>\s]*))?\s*)*)?\s*""", re.VERBOSE) # backport bugfix class BaseHTMLParser(compat_html_parser.HTMLParser): def __init(self): compat_html_parser.HTMLParser.__init__(self) self.html = None def loads(self, html): self.html = html self.feed(html) self.close() class AttrParser(BaseHTMLParser): """Modified HTMLParser that isolates a tag with the specified attribute""" def __init__(self, attribute, value): self.attribute = attribute self.value = value self.result = None self.started = False self.depth = {} self.watch_startpos = False self.error_count = 0 BaseHTMLParser.__init__(self) def error(self, message): if self.error_count > 10 or self.started: raise compat_html_parser.HTMLParseError(message, self.getpos()) self.rawdata = '\n'.join(self.html.split('\n')[self.getpos()[0]:]) # skip one line self.error_count += 1 self.goahead(1) def handle_starttag(self, tag, attrs): attrs = dict(attrs) if self.started: self.find_startpos(None) if self.attribute in attrs and attrs[self.attribute] == self.value: self.result = [tag] self.started = True self.watch_startpos = True if self.started: if not tag in self.depth: self.depth[tag] = 0 self.depth[tag] += 1 def handle_endtag(self, tag): if self.started: if tag in self.depth: self.depth[tag] -= 1 if self.depth[self.result[0]] == 0: self.started = False self.result.append(self.getpos()) def find_startpos(self, x): """Needed to put the start position of the result (self.result[1]) after the opening tag with the requested id""" if self.watch_startpos: self.watch_startpos = False self.result.append(self.getpos()) handle_entityref = handle_charref = handle_data = handle_comment = \ handle_decl = handle_pi = unknown_decl = find_startpos def get_result(self): if self.result is None: return None if len(self.result) != 3: return None lines = self.html.split('\n') lines = lines[self.result[1][0]-1:self.result[2][0]] lines[0] = lines[0][self.result[1][1]:] if len(lines) == 1: lines[-1] = lines[-1][:self.result[2][1]-self.result[1][1]] lines[-1] = lines[-1][:self.result[2][1]] return '\n'.join(lines).strip() # Hack for https://github.com/rg3/youtube-dl/issues/662 if sys.version_info < (2, 7, 3): AttrParser.parse_endtag = (lambda self, i: i + len("</scr'+'ipt>") if self.rawdata[i:].startswith("</scr'+'ipt>") else compat_html_parser.HTMLParser.parse_endtag(self, i)) 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_attribute(attribute, value, html): """Return the content of the tag with the specified attribute in the passed HTML document""" parser = AttrParser(attribute, value) try: parser.loads(html) except compat_html_parser.HTMLParseError: pass return parser.get_result() class MetaParser(BaseHTMLParser): """ Modified HTMLParser that isolates a meta tag with the specified name attribute. """ def __init__(self, name): BaseHTMLParser.__init__(self) self.name = name self.content = None self.result = None def handle_starttag(self, tag, attrs): if tag != 'meta': return attrs = dict(attrs) if attrs.get('name') == self.name: self.result = attrs.get('content') def get_result(self): return self.result def get_meta_content(name, html): """ Return the content attribute from the meta tag with the given name attribute. """ parser = MetaParser(name) try: parser.loads(html) except compat_html_parser.HTMLParseError: pass return parser.get_result() def clean_html(html): """Clean an HTML snippet into a readable string""" # Newline vs <br /> html = html.replace('\n', ' ') html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html) html = re.sub(r'<\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 == u'-': 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 = os.path.join( re.sub(u'[/<>:"\\|\\\\?\\*]', u'#', path_part) for path_part in os.path.split(filename) ) if alt_filename == filename: raise else: # An exception here should be caught in the caller stream = open(encodeFilename(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 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 result = u''.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 not result: result = '_' return result 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): """Transforms an HTML entity to a character.""" # Known non-numeric HTML entity if entity in compat_html_entities.name2codepoint: return compat_chr(compat_html_entities.name2codepoint[entity]) mobj = re.match(r'#(x?[0-9]+)', entity) if mobj is not None: numstr = mobj.group(1) if numstr.startswith(u'x'): base = 16 numstr = u'0%s' % numstr else: base = 10 return compat_chr(int(numstr, base)) # Unknown entity in name, return its literal representation return (u'&%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 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 if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5: # Pass u'' 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: return s else: # 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 s.encode(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 decodeOption(optval): if optval is None: return optval if isinstance(optval, bytes): optval = optval.decode(preferredencoding()) assert isinstance(optval, compat_str) return 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(opts_no_check_certificate, **kwargs): if sys.version_info < (3, 2): import httplib class HTTPSConnectionV3(httplib.HTTPSConnection): def __init__(self, *args, **kwargs): httplib.HTTPSConnection.__init__(self, *args, **kwargs) def connect(self): sock = socket.create_connection((self.host, self.port), self.timeout) if getattr(self, '_tunnel_host', False): self.sock = sock self._tunnel() try: self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_TLSv1) except ssl.SSLError: self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_SSLv23) class HTTPSHandlerV3(compat_urllib_request.HTTPSHandler): def https_open(self, req): return self.do_open(HTTPSConnectionV3, req) return HTTPSHandlerV3(**kwargs) elif hasattr(ssl, 'create_default_context'): # Python >= 3.4 context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) context.options &= ~ssl.OP_NO_SSLv3 # Allow older, not-as-secure SSLv3 if opts_no_check_certificate: context.verify_mode = ssl.CERT_NONE return compat_urllib_request.HTTPSHandler(context=context, **kwargs) else: # Python < 3.4 context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) context.verify_mode = (ssl.CERT_NONE if opts_no_check_certificate else ssl.CERT_REQUIRED) context.set_default_verify_paths() try: context.load_default_certs() except AttributeError: pass # Python < 3.4 return compat_urllib_request.HTTPSHandler(context=context, **kwargs) class ExtractorError(Exception): """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. """ 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 not expected: msg = msg + u'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.' 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 u''.join(traceback.format_tb(self.traceback)) class RegexNotFoundError(ExtractorError): """Error when a regex didn't match""" pass class DownloadError(Exception): """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(Exception): """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(Exception): """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): self.msg = msg class MaxDownloadsReached(Exception): """ --max-downloads limit has been reached. """ pass class UnavailableVideoError(Exception): """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(Exception): """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. """ # Both in bytes downloaded = None expected = None def __init__(self, downloaded, expected): self.downloaded = downloaded self.expected = expected 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. """ @staticmethod def deflate(data): try: return zlib.decompress(data, -zlib.MAX_WBITS) except zlib.error: return zlib.decompress(data) @staticmethod def addinfourl_wrapper(stream, headers, url, code): if hasattr(compat_urllib_request.addinfourl, 'getcode'): return compat_urllib_request.addinfourl(stream, headers, url, code) ret = compat_urllib_request.addinfourl(stream, headers, url) ret.code = code return ret def http_request(self, req): for h, v in std_headers.items(): if h not in req.headers: req.add_header(h, v) if 'Youtubedl-no-compression' in req.headers: if 'Accept-encoding' in req.headers: del req.headers['Accept-encoding'] del req.headers['Youtubedl-no-compression'] if 'Youtubedl-user-agent' in req.headers: if 'User-agent' in req.headers: del req.headers['User-agent'] req.headers['User-agent'] = req.headers['Youtubedl-user-agent'] del req.headers['Youtubedl-user-agent'] 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 = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg # deflate if resp.headers.get('Content-encoding', '') == 'deflate': gz = io.BytesIO(self.deflate(resp.read())) resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code) resp.msg = old_resp.msg return resp https_request = http_request https_response = http_response def parse_iso8601(date_str, delimiter='T'): """ Return a UNIX timestamp from the given date """ if date_str is None: return None m = re.search( r'Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$', date_str) if not m: timezone = datetime.timedelta() else: date_str = date_str[:-len(m.group(0))] if not m.group('sign'): timezone = datetime.timedelta() else: sign = 1 if m.group('sign') == '+' else -1 timezone = datetime.timedelta( hours=sign * int(m.group('hours')), minutes=sign * int(m.group('minutes'))) date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter) dt = datetime.datetime.strptime(date_str, date_format) - timezone return calendar.timegm(dt.timetuple()) def unified_strdate(date_str): """Return a string with the date in the format YYYYMMDD""" if date_str is None: return None upload_date = None #Replace commas date_str = date_str.replace(',', ' ') # %z (UTC offset) is only supported in python>=3.2 date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', date_str) format_expressions = [ '%d %B %Y', '%d %b %Y', '%B %d %Y', '%b %d %Y', '%b %dst %Y %I:%M%p', '%b %dnd %Y %I:%M%p', '%b %dth %Y %I:%M%p', '%Y-%m-%d', '%Y/%m/%d', '%d.%m.%Y', '%d/%m/%Y', '%d/%m/%y', '%Y/%m/%d %H:%M:%S', '%Y-%m-%d %H:%M:%S', '%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', ] for expression in format_expressions: 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: upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d') return upload_date def determine_ext(url, default_ext=u'unknown_video'): if url is None: return default_ext guess = url.partition(u'?')[0].rpartition(u'.')[2] if re.match(r'^[A-Za-z0-9]+$', guess): return guess else: return default_ext def subtitles_filename(filename, sub_lang, sub_format): return filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format def date_from_str(date_str): """ Return a datetime object from a string in the format YYYYMMDD or (now|today)[+-][0-9](day|week|month|year)(s)?""" today = datetime.date.today() if date_str == 'now'or date_str == 'today': return today match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str) if match is not None: sign = match.group('sign') time = int(match.group('time')) if sign == '-': time = -time unit = match.group('unit') #A bad aproximation? if unit == 'month': unit = 'day' time *= 30 elif unit == 'year': unit = 'day' time *= 365 unit += 's' delta = datetime.timedelta(**{unit: time}) return today + delta return datetime.datetime.strptime(date_str, "%Y%m%d").date() def hyphenate_date(date_str): """ Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format""" match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', 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 platform_name(): """ Returns the platform name as a compat_str """ res = platform.platform() if isinstance(res, bytes): res = res.decode(preferredencoding()) assert isinstance(res, compat_str) return 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 if fileno not in WIN_OUTPUT_IDS: return False GetStdHandle = ctypes.WINFUNCTYPE( ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)( ("GetStdHandle", ctypes.windll.kernel32)) h = GetStdHandle(WIN_OUTPUT_IDS[fileno]) WriteConsoleW = 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 = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)(("GetFileType", ctypes.windll.kernel32)) FILE_TYPE_CHAR = 0x0002 FILE_TYPE_REMOTE = 0x8000 GetConsoleMode = 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 type(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'' if isinstance(chr(0), bytes): # Python 2 return ''.join([chr(x) for x in xs]) else: return bytes(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: 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) 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 shell_quote(args): quoted_args = [] encoding = sys.getfilesystemencoding() if encoding is None: encoding = 'utf-8' for a in args: if isinstance(a, bytes): # We may get a filename encoded with 'encodeFilename' a = a.decode(encoding) quoted_args.append(pipes.quote(a)) return u' '.join(quoted_args) def takewhile_inclusive(pred, seq): """ Like itertools.takewhile, but include the latest evaluated element (the first element so that Not pred(e)) """ for e in seq: yield e if not pred(e): return def smuggle_url(url, data): """ Pass additional data in a URL for internal use. """ sdata = compat_urllib_parse.urlencode( {u'__youtubedl_smuggle': json.dumps(data)}) return url + u'#' + sdata def unsmuggle_url(smug_url, default=None): if not '#__youtubedl_smuggle' in smug_url: return smug_url, default url, _, sdata = smug_url.rpartition(u'#') jsond = compat_parse_qs(sdata)[u'__youtubedl_smuggle'][0] data = json.loads(jsond) return url, data def format_bytes(bytes): if bytes is None: return u'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 = [u'B', u'KiB', u'MiB', u'GiB', u'TiB', u'PiB', u'EiB', u'ZiB', u'YiB'][exponent] converted = float(bytes) / float(1024 ** exponent) return u'%.2f%s' % (converted, suffix) def get_term_width(): columns = os.environ.get('COLUMNS', None) if columns: return int(columns) try: sp = subprocess.Popen( ['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) out, err = sp.communicate() return int(out.split()[1]) except: pass return None def month_by_name(name): """ Return the number of a month by (locale-independently) English name """ ENGLISH_NAMES = [ u'January', u'February', u'March', u'April', u'May', u'June', u'July', u'August', u'September', u'October', u'November', u'December'] try: return ENGLISH_NAMES.index(name) + 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};)', u'&', xml_str) def setproctitle(title): assert isinstance(title, compat_str) try: libc = ctypes.cdll.LoadLibrary("libc.so.6") except OSError: 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): if s.startswith(start): return s[len(start):] return s def remove_end(s, end): if s.endswith(end): return s[:-len(end)] return s def url_basename(url): path = compat_urlparse.urlparse(url).path return path.strip(u'/').split(u'/')[-1] class HEADRequest(compat_urllib_request.Request): def get_method(self): return "HEAD" def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1): if get_attr: if v is not None: v = getattr(v, get_attr, None) if v == '': v = None return default if v is None else (int(v) * invscale // scale) 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 int_str is None: return None int_str = re.sub(r'[,\.\+]', u'', int_str) return int(int_str) def float_or_none(v, scale=1, invscale=1, default=None): return default if v is None else (float(v) * invscale / scale) def parse_duration(s): if s is None: return None s = s.strip() m = re.match( r'(?i)(?:(?:(?P<hours>[0-9]+)\s*(?:[:h]|hours?)\s*)?(?P<mins>[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*)?(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*(?:s|secs?|seconds?)?$', s) if not m: return None res = int(m.group('secs')) if m.group('mins'): res += int(m.group('mins')) * 60 if m.group('hours'): res += int(m.group('hours')) * 60 * 60 if m.group('ms'): res += float(m.group('ms')) return res def prepend_extension(filename, ext): name, real_ext = os.path.splitext(filename) return u'{0}.{1}{2}'.format(name, ext, real_ext) 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: subprocess.Popen([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate() except OSError: return False return exe class PagedList(object): def __init__(self, pagefunc, pagesize): self._pagefunc = pagefunc self._pagesize = pagesize def __len__(self): # This is only useful for tests return len(self.getslice()) 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 = list(self._pagefunc(pagenum)) 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 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 escape_rfc3986(s): """Escape non-ASCII characters as suggested by RFC 3986""" if sys.version_info < (3, 0) and isinstance(s, unicode): s = s.encode('utf-8') return compat_urllib_parse.quote(s, "%/;:@&=+$,!~*'()?#[]") def escape_url(url): """Escape URL as suggested by RFC 3986""" url_parsed = compat_urllib_parse_urlparse(url) return url_parsed._replace( 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() try: struct.pack(u'!I', 0) except TypeError: # In Python 2.6 (and some 2.7 versions), struct requires a bytes argument def struct_pack(spec, *args): if isinstance(spec, compat_str): spec = spec.encode('ascii') return struct.pack(spec, *args) def struct_unpack(spec, *args): if isinstance(spec, compat_str): spec = spec.encode('ascii') return struct.unpack(spec, *args) else: struct_pack = struct.pack struct_unpack = struct.unpack def read_batch_urls(batch_fd): def fixup(url): if not isinstance(url, compat_str): url = url.decode('utf-8', 'replace') BOM_UTF8 = u'\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') try: etree_iter = xml.etree.ElementTree.Element.iter except AttributeError: # Python <=2.6 etree_iter = lambda n: n.findall('.//*') def parse_xml(s): class TreeBuilder(xml.etree.ElementTree.TreeBuilder): def doctype(self, name, pubid, system): pass # Ignore doctypes parser = xml.etree.ElementTree.XMLParser(target=TreeBuilder()) kwargs = {'parser': parser} if sys.version_info >= (2, 7) else {} tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs) # Fix up XML parser in Python 2.x if sys.version_info < (3, 0): for n in etree_iter(tree): if n.text is not None: if not isinstance(n.text, compat_str): n.text = n.text.decode('utf-8') return tree if sys.version_info < (3, 0) and sys.platform == 'win32': def compat_getpass(prompt, *args, **kwargs): if isinstance(prompt, compat_str): prompt = prompt.encode(preferredencoding()) return getpass.getpass(prompt, *args, **kwargs) else: compat_getpass = getpass.getpass US_RATINGS = { 'G': 0, 'PG': 10, 'PG-13': 13, 'R': 16, 'NC': 18, } def strip_jsonp(code): return re.sub(r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?\s*$', r'\1', code) def js_to_json(code): def fix_kv(m): key = m.group(2) if key.startswith("'"): assert key.endswith("'") assert '"' not in key key = '"%s"' % key[1:-1] elif not key.startswith('"'): key = '"%s"' % key value = m.group(4) if value.startswith("'"): assert value.endswith("'") assert '"' not in value value = '"%s"' % value[1:-1] return m.group(1) + key + m.group(3) + value res = re.sub(r'''(?x) ([{,]\s*) ("[^"]*"|\'[^\']*\'|[a-z0-9A-Z]+) (:\s*) ([0-9.]+|true|false|"[^"]*"|\'[^\']*\'|\[|\{) ''', fix_kv, code) res = re.sub(r',(\s*\])', lambda m: m.group(1), res) return res 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' try: subprocess_check_output = subprocess.check_output except AttributeError: def subprocess_check_output(*args, **kwargs): assert 'input' not in kwargs p = subprocess.Popen(*args, stdout=subprocess.PIPE, **kwargs) output, _ = p.communicate() ret = p.poll() if ret: raise subprocess.CalledProcessError(ret, p.args, output=output) return output 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