[patreon] Simplify (#3390)
This commit is contained in:
Philipp Hagemeister
@@ -1,81 +1,19 @@
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# encoding: utf-8
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from __future__ import unicode_literals
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import json
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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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compat_urlparse,
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js_to_json,
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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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@@ -84,6 +22,7 @@ class PatreonIE(InfoExtractor):
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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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'thumbnail': 're:^https?://.*$',
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},
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},
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{
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@@ -94,6 +33,7 @@ class PatreonIE(InfoExtractor):
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'ext': 'mp3',
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'title': 'CD 167 Extra',
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'uploader': 'Cognitive Dissonance Podcast',
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'thumbnail': 're:^https?://.*$',
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},
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},
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]
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@@ -129,19 +69,33 @@ class PatreonIE(InfoExtractor):
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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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webpage = self._download_webpage(url, video_id)
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title = self._og_search_title(webpage).strip()
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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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attach_fn = self._html_search_regex(
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r'<div class="attach"><a target="_blank" href="([^"]+)">',
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webpage, 'attachment URL', default=None)
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if attach_fn is not None:
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video_url = 'http://www.patreon.com' + attach_fn
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thumbnail = self._og_search_thumbnail(webpage)
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uploader = self._html_search_regex(
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r'<strong>(.*?)</strong> is creating', webpage, 'uploader')
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else:
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playlist_js = self._search_regex(
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r'(?s)new\s+jPlayerPlaylist\(\s*\{\s*[^}]*},\s*(\[.*?,?\s*\])',
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webpage, 'playlist JSON')
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playlist_json = js_to_json(playlist_js)
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playlist = json.loads(playlist_json)
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data = playlist[0]
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video_url = self._proto_relative_url(data['mp3'])
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thumbnail = self._proto_relative_url(data.get('cover'))
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uploader = data.get('artist')
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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
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return {
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'id': video_id,
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'url': video_url,
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'ext': 'mp3',
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'title': title,
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'uploader': uploader,
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'thumbnail': thumbnail,
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}
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@@ -1474,6 +1474,34 @@ def strip_jsonp(code):
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return re.sub(r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?\s*$', r'\1', code)
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def js_to_json(code):
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def fix_kv(m):
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key = m.group(2)
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if key.startswith("'"):
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assert key.endswith("'")
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assert '"' not in key
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key = '"%s"' % key[1:-1]
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elif not key.startswith('"'):
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key = '"%s"' % key
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value = m.group(4)
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if value.startswith("'"):
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assert value.endswith("'")
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assert '"' not in value
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value = '"%s"' % value[1:-1]
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return m.group(1) + key + m.group(3) + value
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res = re.sub(r'''(?x)
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([{,]\s*)
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("[^"]*"|\'[^\']*\'|[a-z0-9A-Z]+)
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(:\s*)
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([0-9.]+|true|false|"[^"]*"|\'[^\']*\'|\[|\{)
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''', fix_kv, code)
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res = re.sub(r',(\s*\])', lambda m: m.group(1), res)
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return res
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def qualities(quality_ids):
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""" Get a numeric quality value out of a list of possible values """
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def q(qid):
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