X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/9a117f94b4bfe84cfe1d904d5132aefcf41511c9..34bfb8236336b5e77b689e55cc2e70a247efb96d:/youtube_dl/extractor/common.py?ds=inline diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py index 655836f..7d7ce5d 100644 --- a/youtube_dl/extractor/common.py +++ b/youtube_dl/extractor/common.py @@ -3,6 +3,7 @@ import os import re import socket import sys +import netrc from ..utils import ( compat_http_client, @@ -13,6 +14,7 @@ from ..utils import ( clean_html, compiled_regex_type, ExtractorError, + unescapeHTML, ) class InfoExtractor(object): @@ -33,9 +35,13 @@ 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) + thumbnails: A list of dictionaries (with the entries "resolution" and + "url") for the varying thumbnails thumbnail: Full URL to a video thumbnail image. description: One-line video description. uploader: Full name of the video uploader. @@ -43,12 +49,28 @@ class InfoExtractor(object): uploader_id: Nickname or id of the video uploader. location: Physical location of the video. player_url: SWF Player URL (used for rtmpdump). - subtitles: The subtitle file contents. + subtitles: The subtitle file contents as a dictionary in the format + {language: subtitles}. 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. @@ -73,7 +95,13 @@ class InfoExtractor(object): @classmethod def suitable(cls, url): """Receives a URL and returns True if suitable for this IE.""" - return re.match(cls._VALID_URL, url) is not None + + # This does not use has/getattr intentionally - we want to know whether + # we have cached the regexp for *this* class, whereas getattr would also + # match the superclass + if '_VALID_URL_RE' not in cls.__dict__: + cls._VALID_URL_RE = re.compile(cls._VALID_URL) + return cls._VALID_URL_RE.match(url) is not None @classmethod def working(cls): @@ -103,6 +131,11 @@ 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] @@ -118,18 +151,28 @@ 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) """ + + # Strip hashes from the URL (#1038) + if isinstance(url_or_request, (compat_str, str)): + url_or_request = url_or_request.partition('#')[0] + 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() @@ -161,12 +204,11 @@ class InfoExtractor(object): """Report attempt to confirm age.""" self.to_screen(u'Confirming age') + def report_login(self): + """Report attempt to log in.""" + self.to_screen(u'Logging in') + #Methods for following #608 - #They set the correct value of the '_type' key - def video_result(self, video_info): - """Returns a video""" - video_info['_type'] = 'video' - return video_info def url_result(self, url, ie=None): """Returns a url that points to a page that should be processed""" #TODO: ie should be the class used for getting the info @@ -225,6 +267,70 @@ class InfoExtractor(object): else: return res + def _get_login_info(self): + """ + Get the the login info as (username, password) + It will look in the netrc file using the _NETRC_MACHINE value + If there's no info available, return (None, None) + """ + if self._downloader is None: + return (None, None) + + username = None + password = None + downloader_params = self._downloader.params + + # Attempt to use provided username and password or .netrc data + if downloader_params.get('username', None) is not None: + username = downloader_params['username'] + password = downloader_params['password'] + elif downloader_params.get('usenetrc', False): + try: + info = netrc.netrc().authenticators(self._NETRC_MACHINE) + if info is not None: + username = info[0] + password = info[2] + else: + raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE) + except (IOError, netrc.NetrcParseError) as err: + self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err)) + + return (username, password) + + # Helper functions for extracting OpenGraph info + @staticmethod + def _og_regex(prop): + return r'