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# encoding: utf-8 |
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from __future__ import unicode_literals |
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import re |
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from .common import InfoExtractor |
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from ..utils import ( |
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ExtractorError, |
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compat_html_parser, |
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#compat_urllib_request, |
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#compat_urllib_parse, |
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) |
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class PatreonHTMLParser(compat_html_parser.HTMLParser): |
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_PREFIX = 'http://www.patreon.com' |
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_ATTACH_TAGS = 5 * ['div'] |
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_ATTACH_CLASSES = [ |
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'fancyboxhidden', 'box photo', 'boxwrapper', |
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'hiddendisplay shareinfo', 'attach' |
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] |
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_INFO_TAGS = 4 * ['div'] |
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_INFO_CLASSES = [ |
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'fancyboxhidden', 'box photo', 'boxwrapper', |
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'hiddendisplay shareinfo' |
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] |
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def _match(self, attrs_classes, desired): |
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if attrs_classes == desired: |
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return True |
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elif len(attrs_classes) == len(desired): |
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return all( |
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x.startswith(y) |
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for x, y in zip(attrs_classes, desired) |
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) |
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return False |
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def get_creation_info(self, html_data): |
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self.tag_stack = [] |
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self.attrs_stack = [] |
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self.creation_info = {} |
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self.feed(html_data) |
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def handle_starttag(self, tag, attrs): |
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self.tag_stack.append(tag.lower()) |
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self.attrs_stack.append(dict(attrs)) |
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def handle_endtag(self, tag): |
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self.tag_stack.pop() |
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self.attrs_stack.pop() |
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def handle_data(self, data): |
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# Check first if this is a creation attachment |
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if self.tag_stack[-6:-1] == self._ATTACH_TAGS: |
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attrs_classes = [ |
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x.get('class', '').lower() for x in self.attrs_stack[-6:-1] |
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] |
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if self._match(attrs_classes, self._ATTACH_CLASSES): |
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if self.tag_stack[-1] == 'a': |
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url = self._PREFIX + self.attrs_stack[-1].get('href') |
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self.creation_info['url'] = url |
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if '.' in data: |
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self.creation_info['ext'] = data.rsplit('.')[-1] |
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# Next, check if this is within the div containing the creation info |
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if self.tag_stack[-5:-1] == self._INFO_TAGS: |
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attrs_classes = [ |
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x.get('class', '').lower() for x in self.attrs_stack[-5:-1] |
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] |
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if self._match(attrs_classes, self._INFO_CLASSES): |
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if self.attrs_stack[-1].get('class') == 'utitle': |
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self.creation_info['title'] = data.strip() |
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class PatreonIE(InfoExtractor): |
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IE_NAME = 'patreon' |
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_VALID_URL = r'https?://(?:www\.)?patreon\.com/creation\?hid=(.+)' |
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_TESTS = [ |
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# CSS names with "double" in the name, i.e. "boxwrapper double" |
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{ |
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'url': 'http://www.patreon.com/creation?hid=743933', |
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'md5': 'e25505eec1053a6e6813b8ed369875cc', |
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'info_dict': { |
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'id': '743933', |
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'ext': 'mp3', |
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'title': 'Episode 166: David Smalley of Dogma Debate', |
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'uploader': 'Cognitive Dissonance Podcast', |
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}, |
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}, |
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{ |
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'url': 'http://www.patreon.com/creation?hid=754133', |
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'md5': '3eb09345bf44bf60451b8b0b81759d0a', |
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'info_dict': { |
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'id': '754133', |
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'ext': 'mp3', |
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'title': 'CD 167 Extra', |
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'uploader': 'Cognitive Dissonance Podcast', |
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}, |
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}, |
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] |
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# Currently Patreon exposes download URL via hidden CSS, so login is not |
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# needed. Keeping this commented for when this inevitably changes. |
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''' |
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def _login(self): |
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(username, password) = self._get_login_info() |
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if username is None: |
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return |
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login_form = { |
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'redirectUrl': 'http://www.patreon.com/', |
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'email': username, |
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'password': password, |
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} |
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request = compat_urllib_request.Request( |
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'https://www.patreon.com/processLogin', |
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compat_urllib_parse.urlencode(login_form).encode('utf-8') |
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) |
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login_page = self._download_webpage(request, None, note='Logging in as %s' % username) |
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if re.search(r'onLoginFailed', login_page): |
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raise ExtractorError('Unable to login, incorrect username and/or password', expected=True) |
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def _real_initialize(self): |
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self._login() |
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''' |
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def _real_extract(self, url): |
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mobj = re.match(self._VALID_URL, url) |
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video_id = mobj.group(1) |
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info_page = self._download_webpage(url, video_id) |
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ret = {'id': video_id} |
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try: |
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ret['uploader'] = re.search( |
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r'<strong>(.+)</strong> is creating', info_page |
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).group(1) |
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except AttributeError: |
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pass |
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parser = PatreonHTMLParser() |
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parser.get_creation_info(info_page) |
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if not parser.creation_info.get('url'): |
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raise ExtractorError('Unable to retrieve creation URL') |
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ret.update(parser.creation_info) |
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return ret |