X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/ed6eef637d5115dea4adc4e40f030f0688f29c37..f1bb69fb5c709917a78f1bb6019781e1f76f40ae:/youtube_dl/YoutubeDL.py diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py index 21586f0..342d6b4 100755 --- a/youtube_dl/YoutubeDL.py +++ b/youtube_dl/YoutubeDL.py @@ -26,6 +26,8 @@ import tokenize import traceback import random +from string import ascii_letters + from .compat import ( compat_basestring, compat_cookiejar, @@ -58,10 +60,12 @@ from .utils import ( format_bytes, formatSeconds, GeoRestrictedError, + int_or_none, ISO3166Utils, locked_file, make_HTTPS_handler, MaxDownloadsReached, + orderedSet, PagedList, parse_filesize, PerRequestProxyHandler, @@ -89,6 +93,7 @@ from .utils import ( ) from .cache import Cache from .extractor import get_info_extractor, gen_extractor_classes, _LAZY_LOADER +from .extractor.openload import PhantomJSwrapper from .downloader import get_suitable_downloader from .downloader.rtmp import rtmpdump_version from .postprocessor import ( @@ -300,8 +305,25 @@ class YoutubeDL(object): otherwise prefer avconv. postprocessor_args: A list of additional command-line arguments for the postprocessor. + + The following options are used by the Youtube extractor: + youtube_include_dash_manifest: If True (default), DASH manifests and related + data will be downloaded and processed by extractor. + You can reduce network I/O by disabling it if you don't + care about DASH. """ + _NUMERIC_FIELDS = set(( + 'width', 'height', 'tbr', 'abr', 'asr', 'vbr', 'fps', 'filesize', 'filesize_approx', + 'timestamp', 'upload_year', 'upload_month', 'upload_day', + 'duration', 'view_count', 'like_count', 'dislike_count', 'repost_count', + 'average_rating', 'comment_count', 'age_limit', + 'start_time', 'end_time', + 'chapter_number', 'season_number', 'episode_number', + 'track_number', 'disc_number', 'release_year', + 'playlist_index', + )) + params = None _ies = [] _pps = [] @@ -370,10 +392,10 @@ class YoutubeDL(object): else: raise - if (sys.version_info >= (3,) and sys.platform != 'win32' and + if (sys.platform != 'win32' and sys.getfilesystemencoding() in ['ascii', 'ANSI_X3.4-1968'] and not params.get('restrictfilenames', False)): - # On Python 3, the Unicode filesystem API will throw errors (#1474) + # Unicode filesystem API will throw errors (#1474, #13027) self.report_warning( 'Assuming --restrict-filenames since file system encoding ' 'cannot encode all characters. ' @@ -498,24 +520,25 @@ class YoutubeDL(object): def to_console_title(self, message): if not self.params.get('consoletitle', False): return - if compat_os_name == 'nt' and ctypes.windll.kernel32.GetConsoleWindow(): - # c_wchar_p() might not be necessary if `message` is - # already of type unicode() - ctypes.windll.kernel32.SetConsoleTitleW(ctypes.c_wchar_p(message)) + if compat_os_name == 'nt': + if ctypes.windll.kernel32.GetConsoleWindow(): + # c_wchar_p() might not be necessary if `message` is + # already of type unicode() + ctypes.windll.kernel32.SetConsoleTitleW(ctypes.c_wchar_p(message)) elif 'TERM' in os.environ: self._write_string('\033]0;%s\007' % message, self._screen_file) def save_console_title(self): if not self.params.get('consoletitle', False): return - if 'TERM' in os.environ: + if compat_os_name != 'nt' and 'TERM' in os.environ: # Save the title on stack self._write_string('\033[22;0t', self._screen_file) def restore_console_title(self): if not self.params.get('consoletitle', False): return - if 'TERM' in os.environ: + if compat_os_name != 'nt' and 'TERM' in os.environ: # Restore the title from stack self._write_string('\033[23;0t', self._screen_file) @@ -638,22 +661,11 @@ class YoutubeDL(object): r'%%(\1)0%dd' % field_size_compat_map[mobj.group('field')], outtmpl) - NUMERIC_FIELDS = set(( - 'width', 'height', 'tbr', 'abr', 'asr', 'vbr', 'fps', 'filesize', 'filesize_approx', - 'upload_year', 'upload_month', 'upload_day', - 'duration', 'view_count', 'like_count', 'dislike_count', 'repost_count', - 'average_rating', 'comment_count', 'age_limit', - 'start_time', 'end_time', - 'chapter_number', 'season_number', 'episode_number', - 'track_number', 'disc_number', 'release_year', - 'playlist_index', - )) - # Missing numeric fields used together with integer presentation types # in format specification will break the argument substitution since # string 'NA' is returned for missing fields. We will patch output # template for missing fields to meet string presentation type. - for numeric_field in NUMERIC_FIELDS: + for numeric_field in self._NUMERIC_FIELDS: if numeric_field not in template_dict: # As of [1] format syntax is: # %[mapping_key][conversion_flags][minimum_width][.precision][length_modifier]type @@ -672,8 +684,19 @@ class YoutubeDL(object): FORMAT_RE.format(numeric_field), r'%({0})s'.format(numeric_field), outtmpl) - tmpl = expand_path(outtmpl) - filename = tmpl % template_dict + # expand_path translates '%%' into '%' and '$$' into '$' + # correspondingly that is not what we want since we need to keep + # '%%' intact for template dict substitution step. Working around + # with boundary-alike separator hack. + sep = ''.join([random.choice(ascii_letters) for _ in range(32)]) + outtmpl = outtmpl.replace('%%', '%{0}%'.format(sep)).replace('$$', '${0}$'.format(sep)) + + # outtmpl should be expand_path'ed before template dict substitution + # because meta fields may contain env variables we don't want to + # be expanded. For example, for outtmpl "%(title)s.%(ext)s" and + # title "Hello $PATH", we don't want `$PATH` to be expanded. + filename = expand_path(outtmpl).replace(sep, '') % template_dict + # Temporary fix for #4787 # 'Treat' all problem characters by passing filename through preferredencoding # to workaround encoding issues with subprocess on python2 @ Windows @@ -837,19 +860,32 @@ class YoutubeDL(object): ie_result['url'], ie_key=ie_result.get('ie_key'), extra_info=extra_info, download=False, process=False) + # extract_info may return None when ignoreerrors is enabled and + # extraction failed with an error, don't crash and return early + # in this case + if not info: + return info + force_properties = dict( (k, v) for k, v in ie_result.items() if v is not None) - for f in ('_type', 'url', 'ie_key'): + for f in ('_type', 'url', 'id', 'extractor', 'extractor_key', 'ie_key'): if f in force_properties: del force_properties[f] new_result = info.copy() new_result.update(force_properties) - assert new_result.get('_type') != 'url_transparent' + # Extracted info may not be a video result (i.e. + # info.get('_type', 'video') != video) but rather an url or + # url_transparent. In such cases outer metadata (from ie_result) + # should be propagated to inner one (info). For this to happen + # _type of info should be overridden with url_transparent. This + # fixes issue from https://github.com/rg3/youtube-dl/pull/11163. + if new_result.get('_type') == 'url': + new_result['_type'] = 'url_transparent' return self.process_ie_result( new_result, download=download, extra_info=extra_info) - elif result_type == 'playlist' or result_type == 'multi_video': + elif result_type in ('playlist', 'multi_video'): # We process each entry in the playlist playlist = ie_result.get('title') or ie_result.get('id') self.to_screen('[download] Downloading playlist: %s' % playlist) @@ -873,15 +909,25 @@ class YoutubeDL(object): yield int(item) else: yield int(string_segment) - playlistitems = iter_playlistitems(playlistitems_str) + playlistitems = orderedSet(iter_playlistitems(playlistitems_str)) ie_entries = ie_result['entries'] + + def make_playlistitems_entries(list_ie_entries): + num_entries = len(list_ie_entries) + return [ + list_ie_entries[i - 1] for i in playlistitems + if -num_entries <= i - 1 < num_entries] + + def report_download(num_entries): + self.to_screen( + '[%s] playlist %s: Downloading %d videos' % + (ie_result['extractor'], playlist, num_entries)) + if isinstance(ie_entries, list): n_all_entries = len(ie_entries) if playlistitems: - entries = [ - ie_entries[i - 1] for i in playlistitems - if -n_all_entries <= i - 1 < n_all_entries] + entries = make_playlistitems_entries(ie_entries) else: entries = ie_entries[playliststart:playlistend] n_entries = len(entries) @@ -899,20 +945,15 @@ class YoutubeDL(object): entries = ie_entries.getslice( playliststart, playlistend) n_entries = len(entries) - self.to_screen( - '[%s] playlist %s: Downloading %d videos' % - (ie_result['extractor'], playlist, n_entries)) + report_download(n_entries) else: # iterable if playlistitems: - entry_list = list(ie_entries) - entries = [entry_list[i - 1] for i in playlistitems] + entries = make_playlistitems_entries(list(ie_entries)) else: entries = list(itertools.islice( ie_entries, playliststart, playlistend)) n_entries = len(entries) - self.to_screen( - '[%s] playlist %s: Downloading %d videos' % - (ie_result['extractor'], playlist, n_entries)) + report_download(n_entries) if self.params.get('playlistreverse', False): entries = entries[::-1] @@ -1036,6 +1077,30 @@ class YoutubeDL(object): return op(actual_value, comparison_value) return _filter + def _default_format_spec(self, info_dict, download=True): + + def can_merge(): + merger = FFmpegMergerPP(self) + return merger.available and merger.can_merge() + + def prefer_best(): + if self.params.get('simulate', False): + return False + if not download: + return False + if self.params.get('outtmpl', DEFAULT_OUTTMPL) == '-': + return True + if info_dict.get('is_live'): + return True + if not can_merge(): + return True + return False + + req_format_list = ['bestvideo+bestaudio', 'best'] + if prefer_best(): + req_format_list.reverse() + return '/'.join(req_format_list) + def build_format_selector(self, format_spec): def syntax_error(note, start): message = ( @@ -1332,9 +1397,28 @@ class YoutubeDL(object): if 'title' not in info_dict: raise ExtractorError('Missing "title" field in extractor result') - if not isinstance(info_dict['id'], compat_str): - self.report_warning('"id" field is not a string - forcing string conversion') - info_dict['id'] = compat_str(info_dict['id']) + def report_force_conversion(field, field_not, conversion): + self.report_warning( + '"%s" field is not %s - forcing %s conversion, there is an error in extractor' + % (field, field_not, conversion)) + + def sanitize_string_field(info, string_field): + field = info.get(string_field) + if field is None or isinstance(field, compat_str): + return + report_force_conversion(string_field, 'a string', 'string') + info[string_field] = compat_str(field) + + def sanitize_numeric_fields(info): + for numeric_field in self._NUMERIC_FIELDS: + field = info.get(numeric_field) + if field is None or isinstance(field, compat_numeric_types): + continue + report_force_conversion(numeric_field, 'numeric', 'int') + info[numeric_field] = int_or_none(field) + + sanitize_string_field(info_dict, 'id') + sanitize_numeric_fields(info_dict) if 'playlist' not in info_dict: # It isn't part of a playlist @@ -1415,16 +1499,28 @@ class YoutubeDL(object): if not formats: raise ExtractorError('No video formats found!') + def is_wellformed(f): + url = f.get('url') + if not url: + self.report_warning( + '"url" field is missing or empty - skipping format, ' + 'there is an error in extractor') + return False + if isinstance(url, bytes): + sanitize_string_field(f, 'url') + return True + + # Filter out malformed formats for better extraction robustness + formats = list(filter(is_wellformed, formats)) + formats_dict = {} # We check that all the formats have the format and format_id fields for i, format in enumerate(formats): - if 'url' not in format: - raise ExtractorError('Missing "url" key in result (index %d)' % i) - + sanitize_string_field(format, 'format_id') + sanitize_numeric_fields(format) format['url'] = sanitize_url(format['url']) - - if format.get('format_id') is None: + if not format.get('format_id'): format['format_id'] = compat_str(i) else: # Sanitize format_id from characters used in format selector expression @@ -1477,14 +1573,10 @@ class YoutubeDL(object): req_format = self.params.get('format') if req_format is None: - req_format_list = [] - if (self.params.get('outtmpl', DEFAULT_OUTTMPL) != '-' and - not info_dict.get('is_live')): - merger = FFmpegMergerPP(self) - if merger.available and merger.can_merge(): - req_format_list.append('bestvideo+bestaudio') - req_format_list.append('best') - req_format = '/'.join(req_format_list) + req_format = self._default_format_spec(info_dict, download=download) + if self.params.get('verbose'): + self.to_stdout('[debug] Default format spec: %s' % req_format) + format_selector = self.build_format_selector(req_format) # While in format selection we may need to have an access to the original @@ -1636,12 +1728,17 @@ class YoutubeDL(object): if filename is None: return - try: - dn = os.path.dirname(sanitize_path(encodeFilename(filename))) - if dn and not os.path.exists(dn): - os.makedirs(dn) - except (OSError, IOError) as err: - self.report_error('unable to create directory ' + error_to_compat_str(err)) + def ensure_dir_exists(path): + try: + dn = os.path.dirname(path) + if dn and not os.path.exists(dn): + os.makedirs(dn) + return True + except (OSError, IOError) as err: + self.report_error('unable to create directory ' + error_to_compat_str(err)) + return False + + if not ensure_dir_exists(sanitize_path(encodeFilename(filename))): return if self.params.get('writedescription', False): @@ -1684,29 +1781,30 @@ class YoutubeDL(object): ie = self.get_info_extractor(info_dict['extractor_key']) for sub_lang, sub_info in subtitles.items(): sub_format = sub_info['ext'] - if sub_info.get('data') is not None: - sub_data = sub_info['data'] + sub_filename = subtitles_filename(filename, sub_lang, sub_format) + if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(sub_filename)): + self.to_screen('[info] Video subtitle %s.%s is already present' % (sub_lang, sub_format)) else: - try: - sub_data = ie._download_webpage( - sub_info['url'], info_dict['id'], note=False) - except ExtractorError as err: - self.report_warning('Unable to download subtitle for "%s": %s' % - (sub_lang, error_to_compat_str(err.cause))) - continue - try: - sub_filename = subtitles_filename(filename, sub_lang, sub_format) - if self.params.get('nooverwrites', False) and os.path.exists(encodeFilename(sub_filename)): - self.to_screen('[info] Video subtitle %s.%s is already_present' % (sub_lang, sub_format)) + self.to_screen('[info] Writing video subtitles to: ' + sub_filename) + if sub_info.get('data') is not None: + try: + # Use newline='' to prevent conversion of newline characters + # See https://github.com/rg3/youtube-dl/issues/10268 + with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8', newline='') as subfile: + subfile.write(sub_info['data']) + except (OSError, IOError): + self.report_error('Cannot write subtitles file ' + sub_filename) + return else: - self.to_screen('[info] Writing video subtitles to: ' + sub_filename) - # Use newline='' to prevent conversion of newline characters - # See https://github.com/rg3/youtube-dl/issues/10268 - with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8', newline='') as subfile: - subfile.write(sub_data) - except (OSError, IOError): - self.report_error('Cannot write subtitles file ' + sub_filename) - return + try: + sub_data = ie._request_webpage( + sub_info['url'], info_dict['id'], note=False).read() + with io.open(encodeFilename(sub_filename), 'wb') as subfile: + subfile.write(sub_data) + except (ExtractorError, IOError, OSError, ValueError) as err: + self.report_warning('Unable to download subtitle for "%s": %s' % + (sub_lang, error_to_compat_str(err))) + continue if self.params.get('writeinfojson', False): infofn = replace_extension(filename, 'info.json', info_dict.get('ext')) @@ -1779,8 +1877,11 @@ class YoutubeDL(object): for f in requested_formats: new_info = dict(info_dict) new_info.update(f) - fname = self.prepare_filename(new_info) - fname = prepend_extension(fname, 'f%s' % f['format_id'], new_info['ext']) + fname = prepend_extension( + self.prepare_filename(new_info), + 'f%s' % f['format_id'], new_info['ext']) + if not ensure_dir_exists(fname): + return downloaded.append(fname) partial_success = dl(fname, new_info) success = success and partial_success @@ -1847,7 +1948,7 @@ class YoutubeDL(object): info_dict.get('protocol') == 'm3u8' and self.params.get('hls_prefer_native')): if fixup_policy == 'warn': - self.report_warning('%s: malformated aac bitstream.' % ( + self.report_warning('%s: malformed AAC bitstream detected.' % ( info_dict['id'])) elif fixup_policy == 'detect_or_warn': fixup_pp = FFmpegFixupM3u8PP(self) @@ -1856,7 +1957,7 @@ class YoutubeDL(object): info_dict['__postprocessors'].append(fixup_pp) else: self.report_warning( - '%s: malformated aac bitstream. %s' + '%s: malformed AAC bitstream detected. %s' % (info_dict['id'], INSTALL_FFMPEG_MESSAGE)) else: assert fixup_policy in ('ignore', 'never') @@ -2134,6 +2235,7 @@ class YoutubeDL(object): exe_versions = FFmpegPostProcessor.get_versions(self) exe_versions['rtmpdump'] = rtmpdump_version() + exe_versions['phantomjs'] = PhantomJSwrapper._version() exe_str = ', '.join( '%s %s' % (exe, v) for exe, v in sorted(exe_versions.items())