X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=475fad3c903f9a2923def9f186c746d067807a68;hb=8fb3ac3649ca7df6f328971f58afa84dd9d05cc6;hp=75f9594e6c8abcecfe128af1be2e73575d6eecc1;hpb=45c24df51260b35f1e1f702b8488906c4be9f065;p=youtube-dl diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index 75f9594e6..475fad3c9 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -10,12 +10,14 @@ import ctypes import datetime import email.utils import errno +import functools import gzip import itertools import io import json import locale import math +import operator import os import pipes import platform @@ -31,10 +33,13 @@ import xml.etree.ElementTree import zlib from .compat import ( + compat_basestring, compat_chr, compat_getenv, compat_html_entities, + compat_http_client, compat_parse_qs, + compat_socket_create_connection, compat_str, compat_urllib_error, compat_urllib_parse, @@ -57,6 +62,11 @@ std_headers = { } +ENGLISH_MONTH_NAMES = [ + 'January', 'February', 'March', 'April', 'May', 'June', + 'July', 'August', 'September', 'October', 'November', 'December'] + + def preferredencoding(): """Get preferred encoding. @@ -137,7 +147,7 @@ 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): + if isinstance(xpath, compat_str): xpath = xpath.encode('ascii') for f in node.findall(xpath): @@ -166,7 +176,7 @@ def xpath_text(node, xpath, name=None, fatal=False): xpath = xpath.encode('ascii') n = node.find(xpath) - if n is None: + if n is None or n.text is None: if fatal: name = xpath if name is None else name raise ExtractorError('Could not find XML element %s' % name) @@ -205,6 +215,10 @@ def get_element_by_attribute(attribute, value, html): def clean_html(html): """Clean an HTML snippet into a readable string""" + + if html is None: # Convenience for sanitizing descriptions etc. + return html + # Newline vs
html = html.replace('\n', ' ') html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html) @@ -280,6 +294,8 @@ def sanitize_filename(s, restricted=False, is_id=False): return '_' return char + # 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: @@ -363,7 +379,7 @@ 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)) + # 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) @@ -387,45 +403,29 @@ def formatSeconds(secs): 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 +def make_HTTPS_handler(params, **kwargs): + opts_no_check_certificate = params.get('nocheckcertificate', False) + if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9 + context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH) if opts_no_check_certificate: + context.check_hostname = False context.verify_mode = ssl.CERT_NONE - return compat_urllib_request.HTTPSHandler(context=context, **kwargs) + try: + return YoutubeDLHTTPSHandler(params, context=context, **kwargs) + except TypeError: + # Python 2.7.8 + # (create_default_context present but HTTPSHandler has no context=) + pass + + if sys.version_info < (3, 2): + return YoutubeDLHTTPSHandler(params, **kwargs) else: # Python < 3.4 - context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) context.verify_mode = (ssl.CERT_NONE if opts_no_check_certificate else ssl.CERT_REQUIRED) context.set_default_verify_paths() - try: - context.load_default_certs() - except AttributeError: - pass # Python < 3.4 - return compat_urllib_request.HTTPSHandler(context=context, **kwargs) + return YoutubeDLHTTPSHandler(params, context=context, **kwargs) class ExtractorError(Exception): @@ -463,6 +463,13 @@ class ExtractorError(Exception): return ''.join(traceback.format_tb(self.traceback)) +class UnsupportedError(ExtractorError): + def __init__(self, url): + super(UnsupportedError, self).__init__( + 'Unsupported URL: %s' % url, expected=True) + self.url = url + + class RegexNotFoundError(ExtractorError): """Error when a regex didn't match""" pass @@ -532,6 +539,28 @@ class ContentTooShortError(Exception): self.expected = expected +def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs): + hc = http_class(*args, **kwargs) + source_address = ydl_handler._params.get('source_address') + if source_address is not None: + 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 = compat_socket_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 + + class YoutubeDLHandler(compat_urllib_request.HTTPHandler): """Handler for HTTP requests and responses. @@ -550,6 +579,15 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): public domain. """ + def __init__(self, params, *args, **kwargs): + compat_urllib_request.HTTPHandler.__init__(self, *args, **kwargs) + self._params = params + + def http_open(self, req): + return self.do_open(functools.partial( + _create_http_connection, self, compat_http_client.HTTPConnection, False), + req) + @staticmethod def deflate(data): try: @@ -567,17 +605,14 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): def http_request(self, req): for h, v in std_headers.items(): - if h not in req.headers: + # 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) 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'] if sys.version_info < (2, 7) and '#' in req.get_full_url(): # Python 2.6 is brain-dead when it comes to fragments @@ -619,42 +654,62 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler): https_response = http_response -def parse_iso8601(date_str, delimiter='T'): +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 = {} + 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 + return self.do_open(functools.partial( + _create_http_connection, self, self._https_conn_class, True), + req, **kwargs) + + +def parse_iso8601(date_str, delimiter='T', timezone=None): """ Return a UNIX timestamp from the given date """ if date_str is None: return None - m = re.search( - r'(\.[0-9]+)?(?:Z$| ?(?P\+|-)(?P[0-9]{2}):?(?P[0-9]{2})$)', - date_str) - if not m: - timezone = datetime.timedelta() - else: - date_str = date_str[:-len(m.group(0))] - if not m.group('sign'): + if timezone is None: + m = re.search( + r'(\.[0-9]+)?(?:Z$| ?(?P\+|-)(?P[0-9]{2}):?(?P[0-9]{2})$)', + date_str) + if not m: 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_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): +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(',', ' ') # %z (UTC offset) is only supported in python>=3.2 date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', date_str) + # Remove AM/PM + timezone + date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str) + format_expressions = [ '%d %B %Y', '%d %b %Y', @@ -663,13 +718,10 @@ def unified_strdate(date_str): '%b %dst %Y %I:%M%p', '%b %dnd %Y %I:%M%p', '%b %dth %Y %I:%M%p', + '%Y %m %d', '%Y-%m-%d', '%Y/%m/%d', - '%d.%m.%Y', - '%d/%m/%Y', - '%d/%m/%y', '%Y/%m/%d %H:%M:%S', - '%d/%m/%Y %H:%M:%S', '%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M:%S.%f', '%d.%m.%Y %H:%M', @@ -681,6 +733,20 @@ def unified_strdate(date_str): '%Y-%m-%dT%H:%M:%S.%f', '%Y-%m-%dT%H:%M', ] + if day_first: + format_expressions.extend([ + '%d.%m.%Y', + '%d/%m/%Y', + '%d/%m/%y', + '%d/%m/%Y %H:%M:%S', + ]) + else: + format_expressions.extend([ + '%m.%d.%Y', + '%m/%d/%Y', + '%m/%d/%y', + '%m/%d/%Y %H:%M:%S', + ]) for expression in format_expressions: try: upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d') @@ -805,34 +871,37 @@ def _windows_write_string(s, out): except AttributeError: # If the output stream doesn't have a fileno, it's virtual return False + except io.UnsupportedOperation: + # Some strange Windows pseudo files? + return False if fileno not in WIN_OUTPUT_IDS: return False GetStdHandle = ctypes.WINFUNCTYPE( ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)( - ("GetStdHandle", ctypes.windll.kernel32)) + (b"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)) + ctypes.wintypes.LPVOID)((b"WriteConsoleW", ctypes.windll.kernel32)) written = ctypes.wintypes.DWORD(0) - GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)(("GetFileType", ctypes.windll.kernel32)) + GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b"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)) + (b"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) + 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 @@ -1121,11 +1190,18 @@ def get_term_width(): def month_by_name(name): """ Return the number of a month by (locale-independently) English name """ - ENGLISH_NAMES = [ - 'January', 'February', 'March', 'April', 'May', 'June', - 'July', 'August', 'September', 'October', 'November', 'December'] try: - return ENGLISH_NAMES.index(name) + 1 + return ENGLISH_MONTH_NAMES.index(name) + 1 + except ValueError: + return None + + +def month_by_abbreviation(abbrev): + """ Return the number of a month by (locale-independently) English + abbreviations """ + + try: + return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1 except ValueError: return None @@ -1201,19 +1277,22 @@ def float_or_none(v, scale=1, invscale=1, default=None): def parse_duration(s): - if s is None: + if not isinstance(s, compat_basestring): return None s = s.strip() m = re.match( - r'''(?ix)T? + r'''(?ix)(?:P?T)? (?: (?P[0-9.]+)\s*(?:mins?|minutes?)\s*| (?P[0-9.]+)\s*(?:hours?)| (?: - (?:(?P[0-9]+)\s*(?:[:h]|hours?)\s*)? + (?: + (?:(?P[0-9]+)\s*(?:[:d]|days?)\s*)? + (?P[0-9]+)\s*(?:[:h]|hours?)\s* + )? (?P[0-9]+)\s*(?:[:m]|mins?|minutes?)\s* )? (?P[0-9]+)(?P\.[0-9]+)?\s*(?:s|secs?|seconds?)? @@ -1231,6 +1310,8 @@ def parse_duration(s): res += int(m.group('mins')) * 60 if m.group('hours'): res += int(m.group('hours')) * 60 * 60 + if m.group('days'): + res += int(m.group('days')) * 24 * 60 * 60 if m.group('ms'): res += float(m.group('ms')) return res @@ -1252,18 +1333,25 @@ def check_executable(exe, args=[]): def get_exe_version(exe, args=['--version'], - version_re=r'version\s+([0-9._-a-zA-Z]+)', - unrecognized='present'): + version_re=None, unrecognized='present'): """ Returns the version of the specified executable, or False if the executable is not present """ try: - out, err = subprocess.Popen( + out, _ = subprocess.Popen( [exe] + args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate() except OSError: return False - firstline = out.partition(b'\n')[0].decode('ascii', 'ignore') - m = re.search(version_re, firstline) + if isinstance(out, bytes): # Python 2.x + out = out.decode('ascii', 'ignore') + return detect_exe_version(out, version_re, unrecognized) + + +def detect_exe_version(output, version_re=None, unrecognized='present'): + assert isinstance(output, compat_str) + if version_re is None: + version_re = r'version\s+([-0-9._a-zA-Z]+)' + m = re.search(version_re, output) if m: return m.group(1) else: @@ -1358,7 +1446,7 @@ def uppercase_escape(s): def escape_rfc3986(s): """Escape non-ASCII characters as suggested by RFC 3986""" - if sys.version_info < (3, 0) and isinstance(s, unicode): + if sys.version_info < (3, 0) and isinstance(s, compat_str): s = s.encode('utf-8') return compat_urllib_parse.quote(s, b"%/;:@&=+$,!~*'()?#[]") @@ -1472,9 +1560,9 @@ def js_to_json(code): return '"%s"' % v res = re.sub(r'''(?x) - "(?:[^"\\]*(?:\\\\|\\")?)*"| - '(?:[^'\\]*(?:\\\\|\\')?)*'| - [a-zA-Z_][a-zA-Z_0-9]* + "(?:[^"\\]*(?:\\\\|\\['"nu]))*[^"\\]*"| + '(?:[^'\\]*(?:\\\\|\\['"nu]))*[^'\\]*'| + [a-zA-Z_][.a-zA-Z_0-9]* ''', fix_kv, code) res = re.sub(r',(\s*\])', lambda m: m.group(1), res) return res @@ -1526,3 +1614,166 @@ def ytdl_is_updateable(): def args_to_str(args): # Get a short string representation for a subprocess command return ' '.join(shlex_quote(a) for a in args) + + +def mimetype2ext(mt): + _, _, res = mt.rpartition('/') + + return { + 'x-ms-wmv': 'wmv', + 'x-mp4-fragmented': 'mp4', + }.get(res, res) + + +def urlhandle_detect_ext(url_handle): + try: + url_handle.headers + getheader = lambda h: url_handle.headers[h] + except AttributeError: # Python < 3 + getheader = url_handle.info().getheader + + cd = getheader('Content-Disposition') + if cd: + m = re.match(r'attachment;\s*filename="(?P[^"]+)"', cd) + if m: + e = determine_ext(m.group('filename'), default_ext=None) + if e: + return e + + return mimetype2ext(getheader('Content-Type')) + + +def age_restricted(content_limit, age_limit): + """ Returns True iff the content should be blocked """ + + if age_limit is None: # No limit set + return False + if content_limit is None: + return False # Content available for everyone + return age_limit < content_limit + + +def is_html(first_bytes): + """ Detect whether a file contains HTML by examining its first bytes. """ + + BOMS = [ + (b'\xef\xbb\xbf', 'utf-8'), + (b'\x00\x00\xfe\xff', 'utf-32-be'), + (b'\xff\xfe\x00\x00', 'utf-32-le'), + (b'\xff\xfe', 'utf-16-le'), + (b'\xfe\xff', 'utf-16-be'), + ] + for bom, enc in BOMS: + if first_bytes.startswith(bom): + s = first_bytes[len(bom):].decode(enc, 'replace') + break + else: + s = first_bytes.decode('utf-8', 'replace') + + return re.match(r'^\s*<', s) + + +def determine_protocol(info_dict): + protocol = info_dict.get('protocol') + if protocol is not None: + return protocol + + url = info_dict['url'] + if url.startswith('rtmp'): + return 'rtmp' + elif url.startswith('mms'): + return 'mms' + elif url.startswith('rtsp'): + return 'rtsp' + + ext = determine_ext(url) + if ext == 'm3u8': + return 'm3u8' + elif ext == 'f4m': + return 'f4m' + + return compat_urllib_parse_urlparse(url).scheme + + +def render_table(header_row, data): + """ Render a list of rows, each as a list of values """ + table = [header_row] + data + max_lens = [max(len(compat_str(v)) for v in col) for col in zip(*table)] + format_str = ' '.join('%-' + compat_str(ml + 1) + 's' for ml in max_lens[:-1]) + '%s' + return '\n'.join(format_str % tuple(row) for row in table) + + +def _match_one(filter_part, dct): + COMPARISON_OPERATORS = { + '<': operator.lt, + '<=': operator.le, + '>': operator.gt, + '>=': operator.ge, + '=': operator.eq, + '!=': operator.ne, + } + operator_rex = re.compile(r'''(?x)\s* + (?P[a-z_]+) + \s*(?P%s)(?P\s*\?)?\s* + (?: + (?P[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)| + (?P(?![0-9.])[a-z0-9A-Z]*) + ) + \s*$ + ''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys()))) + m = operator_rex.search(filter_part) + if m: + op = COMPARISON_OPERATORS[m.group('op')] + if m.group('strval') is not None: + if m.group('op') not in ('=', '!='): + raise ValueError( + 'Operator %s does not support string values!' % m.group('op')) + comparison_value = m.group('strval') + else: + try: + comparison_value = int(m.group('intval')) + except ValueError: + comparison_value = parse_filesize(m.group('intval')) + if comparison_value is None: + comparison_value = parse_filesize(m.group('intval') + 'B') + if comparison_value is None: + raise ValueError( + 'Invalid integer value %r in filter part %r' % ( + m.group('intval'), filter_part)) + actual_value = dct.get(m.group('key')) + if actual_value is None: + return m.group('none_inclusive') + return op(actual_value, comparison_value) + + UNARY_OPERATORS = { + '': lambda v: v is not None, + '!': lambda v: v is None, + } + operator_rex = re.compile(r'''(?x)\s* + (?P%s)\s*(?P[a-z_]+) + \s*$ + ''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys()))) + m = operator_rex.search(filter_part) + if m: + op = UNARY_OPERATORS[m.group('op')] + actual_value = dct.get(m.group('key')) + return op(actual_value) + + raise ValueError('Invalid filter part %r' % filter_part) + + +def match_str(filter_str, dct): + """ Filter a dictionary with a simple string syntax. Returns True (=passes filter) or false """ + + return all( + _match_one(filter_part, dct) for filter_part in filter_str.split('&')) + + +def match_filter_func(filter_str): + def _match_func(info_dict): + if match_str(filter_str, info_dict): + return None + else: + video_title = info_dict.get('title', info_dict.get('id', 'video')) + return '%s does not pass filter %s, skipping ..' % (video_title, filter_str) + return _match_func