X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Fcommon.py;h=ce349fe207af21690c95b86dd7a293220ac7025e;hb=ebc14f251c2968f4cb6cb18610b857ecb24348c8;hp=52c4483c9ecafe914270444b848ba8ac5966f802;hpb=5c6658d4dd5ea4f25e8ae8b62a47b09f164cd30b;p=youtube-dl diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py index 52c4483c9..ce349fe20 100644 --- a/youtube_dl/extractor/common.py +++ b/youtube_dl/extractor/common.py @@ -14,6 +14,8 @@ from ..utils import ( clean_html, compiled_regex_type, ExtractorError, + RegexNotFoundError, + sanitize_filename, unescapeHTML, ) @@ -35,6 +37,8 @@ class InfoExtractor(object): title: Video title, unescaped. ext: Video filename extension. + Instead of url and ext, formats can also specified. + The following fields are optional: format: The video format, defaults to ext (used for --get-format) @@ -52,8 +56,23 @@ class InfoExtractor(object): view_count: How many users have watched the video on the platform. urlhandle: [internal] The urlHandle to be used to download the file, like returned by urllib.request.urlopen - - The fields should all be Unicode strings. + age_limit: Age restriction for the video, as an integer (years) + formats: A list of dictionaries for each format available, it must + be ordered from worst to best quality. Potential fields: + * url Mandatory. The URL of the video file + * ext Will be calculated from url if missing + * format A human-readable description of the format + ("mp4 container with h264/opus"). + Calculated from the format_id, width, height + and format_note fields if missing. + * format_id A short description of the format + ("mp4_h264_opus" or "19") + * format_note Additional info about the format + ("3D" or "DASH video") + * width Width of the video, if known + * height Height of the video, if known + + Unless mentioned otherwise, the fields should be Unicode strings. Subclasses of this one should re-define the _real_initialize() and _real_extract() methods and define a _VALID_URL regexp. @@ -114,6 +133,11 @@ class InfoExtractor(object): """Real extraction process. Redefine in subclasses.""" pass + @classmethod + def ie_key(cls): + """A string for getting the InfoExtractor with get_info_extractor""" + return cls.__name__[:-2] + @property def IE_NAME(self): return type(self).__name__[:-2] @@ -129,7 +153,7 @@ class InfoExtractor(object): except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: if errnote is None: errnote = u'Unable to download webpage' - raise ExtractorError(u'%s: %s' % (errnote, compat_str(err)), sys.exc_info()[2]) + raise ExtractorError(u'%s: %s' % (errnote, compat_str(err)), sys.exc_info()[2], cause=err) def _download_webpage_handle(self, url_or_request, video_id, note=None, errnote=None): """ Returns a tuple (page content as string, URL handle) """ @@ -140,12 +164,17 @@ class InfoExtractor(object): urlh = self._request_webpage(url_or_request, video_id, note, errnote) content_type = urlh.headers.get('Content-Type', '') + webpage_bytes = urlh.read() m = re.match(r'[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+\s*;\s*charset=(.+)', content_type) if m: encoding = m.group(1) else: - encoding = 'utf-8' - webpage_bytes = urlh.read() + m = re.search(br']+charset=[\'"]?([^\'")]+)[ /\'">]', + webpage_bytes[:1024]) + if m: + encoding = m.group(1).decode('ascii') + else: + encoding = 'utf-8' if self._downloader.params.get('dump_intermediate_pages', False): try: url = url_or_request.get_full_url() @@ -154,6 +183,17 @@ class InfoExtractor(object): self.to_screen(u'Dumping request to ' + url) dump = base64.b64encode(webpage_bytes).decode('ascii') self._downloader.to_screen(dump) + if self._downloader.params.get('write_pages', False): + try: + url = url_or_request.get_full_url() + except AttributeError: + url = url_or_request + raw_filename = ('%s_%s.dump' % (video_id, url)) + filename = sanitize_filename(raw_filename, restricted=True) + self.to_screen(u'Saving request to ' + filename) + with open(filename, 'wb') as outf: + outf.write(webpage_bytes) + content = webpage_bytes.decode(encoding, 'replace') return (content, urlh) @@ -204,7 +244,7 @@ class InfoExtractor(object): Perform a regex search on the given string, using a single or a list of patterns returning the first matching group. In case of failure return a default value or raise a WARNING or a - ExtractorError, depending on fatal, specifying the field name. + RegexNotFoundError, depending on fatal, specifying the field name. """ if isinstance(pattern, (str, compat_str, compiled_regex_type)): mobj = re.search(pattern, string, flags) @@ -224,7 +264,7 @@ class InfoExtractor(object): elif default is not None: return default elif fatal: - raise ExtractorError(u'Unable to extract %s' % _name) + raise RegexNotFoundError(u'Unable to extract %s' % _name) else: self._downloader.report_warning(u'unable to extract %s; ' u'please report this issue on http://yt-dl.org/bug' % _name) @@ -290,10 +330,19 @@ class InfoExtractor(object): def _og_search_title(self, html, **kargs): return self._og_search_property('title', html, **kargs) - def _og_search_video_url(self, html, name='video url', **kargs): - return self._html_search_regex([self._og_regex('video:secure_url'), - self._og_regex('video')], - html, name, **kargs) + def _og_search_video_url(self, html, name='video url', secure=True, **kargs): + regexes = [self._og_regex('video')] + if secure: regexes.insert(0, self._og_regex('video:secure_url')) + return self._html_search_regex(regexes, html, name, **kargs) + + def _rta_search(self, html): + # See http://www.rtalabel.org/index.php?content=howtofaq#single + if re.search(r'(?ix)