X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=90e0ed9ab7eb36d4c9f30efffdd2868e9cfe6d47;hb=70a1165b32acf253905109e9b4f245295d67af1f;hp=8f5463f1c9a1e1a2660867abdc0f1f62e9147032;hpb=9bb8e0a3f9276f65de38cda431bf72f7bd266693;p=youtube-dl diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index 8f5463f1c..90e0ed9ab 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -17,6 +17,7 @@ import io import json import locale import math +import operator import os import pipes import platform @@ -34,7 +35,6 @@ import zlib from .compat import ( compat_basestring, compat_chr, - compat_getenv, compat_html_entities, compat_http_client, compat_parse_qs, @@ -53,7 +53,7 @@ from .compat import ( 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)', + 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (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', @@ -61,6 +61,11 @@ std_headers = { } +ENGLISH_MONTH_NAMES = [ + 'January', 'February', 'March', 'April', 'May', 'June', + 'July', 'August', 'September', 'October', 'November', 'December'] + + def preferredencoding(): """Get preferred encoding. @@ -70,7 +75,7 @@ def preferredencoding(): try: pref = locale.getpreferredencoding() 'TEST'.encode(pref) - except: + except Exception: pref = 'UTF-8' return pref @@ -122,7 +127,7 @@ def write_json_file(obj, fn): except OSError: pass os.rename(tf.name, fn) - except: + except Exception: try: os.remove(tf.name) except OSError: @@ -247,15 +252,12 @@ def sanitize_open(filename, open_mode): raise # In case of error, try to remove win32 forbidden chars - alt_filename = os.path.join( - re.sub('[/<>:"\\|\\\\?\\*]', '#', path_part) - for path_part in os.path.split(filename) - ) + alt_filename = sanitize_path(filename) if alt_filename == filename: raise else: # An exception here should be caught in the caller - stream = open(encodeFilename(filename), open_mode) + stream = open(encodeFilename(alt_filename), open_mode) return (stream, alt_filename) @@ -298,11 +300,39 @@ def sanitize_filename(s, restricted=False, is_id=False): # Common case of "Foreign band name - English song title" if restricted and result.startswith('-_'): result = result[2:] + if result.startswith('-'): + result = '_' + result[len('-'):] + result = result.lstrip('.') if not result: result = '_' return result +def sanitize_path(s): + """Sanitizes and normalizes path on Windows""" + if sys.platform != 'win32': + return s + drive, _ = os.path.splitdrive(s) + unc, _ = os.path.splitunc(s) + unc_or_drive = unc or drive + norm_path = os.path.normpath(remove_start(s, unc_or_drive)).split(os.path.sep) + if unc_or_drive: + norm_path.pop(0) + sanitized_path = [ + path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|\.$)', '#', path_part) + for path_part in norm_path] + if unc_or_drive: + sanitized_path.insert(0, unc_or_drive + os.path.sep) + return os.path.join(*sanitized_path) + + +def sanitize_url_path_consecutive_slashes(url): + """Collapses consecutive slashes in URLs' path""" + parsed_url = list(compat_urlparse.urlparse(url)) + parsed_url[2] = re.sub(r'/{2,}', '/', parsed_url[2]) + return compat_urlparse.urlunparse(parsed_url) + + def orderedSet(iterable): """ Remove all duplicates from the input iterable """ res = [] @@ -318,7 +348,7 @@ def _htmlentity_transform(entity): if entity in compat_html_entities.name2codepoint: return compat_chr(compat_html_entities.name2codepoint[entity]) - mobj = re.match(r'#(x?[0-9]+)', entity) + mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity) if mobj is not None: numstr = mobj.group(1) if numstr.startswith('x'): @@ -665,26 +695,27 @@ class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler): req, **kwargs) -def parse_iso8601(date_str, delimiter='T'): +def parse_iso8601(date_str, delimiter='T', timezone=None): """ Return a UNIX timestamp from the given date """ if date_str is None: return None - m = re.search( - r'(\.[0-9]+)?(?:Z$| ?(?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()) @@ -893,8 +924,8 @@ def _windows_write_string(s, out): 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 @@ -1164,30 +1195,21 @@ def parse_filesize(s): return int(float(num_str) * mult) -def get_term_width(): - columns = compat_getenv('COLUMNS', None) - if columns: - return int(columns) +def month_by_name(name): + """ Return the number of a month by (locale-independently) English name """ 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 + return ENGLISH_MONTH_NAMES.index(name) + 1 + except ValueError: + return None -def month_by_name(name): - """ Return the number of a month by (locale-independently) English name """ +def month_by_abbreviation(abbrev): + """ Return the number of a month by (locale-independently) English + abbreviations """ - ENGLISH_NAMES = [ - 'January', 'February', 'March', 'April', 'May', 'June', - 'July', 'August', 'September', 'October', 'November', 'December'] try: - return ENGLISH_NAMES.index(name) + 1 + return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1 except ValueError: return None @@ -1274,6 +1296,7 @@ def parse_duration(s): (?P[0-9.]+)\s*(?:mins?|minutes?)\s*| (?P[0-9.]+)\s*(?:hours?)| + \s*(?P[0-9]+)\s*(?:[:h]|hours?)\s*(?P[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*| (?: (?: (?:(?P[0-9]+)\s*(?:[:d]|days?)\s*)? @@ -1292,10 +1315,14 @@ def parse_duration(s): return float_or_none(m.group('only_hours'), invscale=60 * 60) if m.group('secs'): res += int(m.group('secs')) + if m.group('mins_reversed'): + res += int(m.group('mins_reversed')) * 60 if m.group('mins'): res += int(m.group('mins')) * 60 if m.group('hours'): res += int(m.group('hours')) * 60 * 60 + if m.group('hours_reversed'): + res += int(m.group('hours_reversed')) * 60 * 60 if m.group('days'): res += int(m.group('days')) * 24 * 60 * 60 if m.group('ms'): @@ -1546,8 +1573,8 @@ def js_to_json(code): return '"%s"' % v res = re.sub(r'''(?x) - "(?:[^"\\]*(?:\\\\|\\")?)*"| - '(?:[^'\\]*(?:\\\\|\\')?)*'| + "(?:[^"\\]*(?:\\\\|\\['"nu]))*[^"\\]*"| + '(?:[^'\\]*(?:\\\\|\\['"nu]))*[^'\\]*'| [a-zA-Z_][.a-zA-Z_0-9]* ''', fix_kv, code) res = re.sub(r',(\s*\])', lambda m: m.group(1), res) @@ -1602,6 +1629,15 @@ def args_to_str(args): 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 @@ -1617,7 +1653,7 @@ def urlhandle_detect_ext(url_handle): if e: return e - return getheader('Content-Type').split("/")[1] + return mimetype2ext(getheader('Content-Type')) def age_restricted(content_limit, age_limit): @@ -1678,3 +1714,100 @@ def render_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 + + +class PerRequestProxyHandler(compat_urllib_request.ProxyHandler): + def __init__(self, proxies=None): + # Set default handlers + for type in ('http', 'https'): + setattr(self, '%s_open' % type, + lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open: + meth(r, proxy, type)) + return compat_urllib_request.ProxyHandler.__init__(self, proxies) + + def proxy_open(self, req, proxy, type): + req_proxy = req.headers.get('Ytdl-request-proxy') + if req_proxy is not None: + proxy = req_proxy + del req.headers['Ytdl-request-proxy'] + + if proxy == '__noproxy__': + return None # No Proxy + return compat_urllib_request.ProxyHandler.proxy_open( + self, req, proxy, type)