[patreon] Simplify (#3390)

This commit is contained in:
Philipp Hagemeister 2014-08-22 02:33:29 +02:00
parent b27295d2ab
commit e05f693942
2 changed files with 61 additions and 79 deletions

View File

@ -1,81 +1,19 @@
# encoding: utf-8
from __future__ import unicode_literals
import json
import re
from .common import InfoExtractor
from ..utils import (
ExtractorError,
compat_html_parser,
#compat_urllib_request,
#compat_urllib_parse,
compat_urlparse,
js_to_json,
)
class PatreonHTMLParser(compat_html_parser.HTMLParser):
_PREFIX = 'http://www.patreon.com'
_ATTACH_TAGS = 5 * ['div']
_ATTACH_CLASSES = [
'fancyboxhidden', 'box photo', 'boxwrapper',
'hiddendisplay shareinfo', 'attach'
]
_INFO_TAGS = 4 * ['div']
_INFO_CLASSES = [
'fancyboxhidden', 'box photo', 'boxwrapper',
'hiddendisplay shareinfo'
]
def _match(self, attrs_classes, desired):
if attrs_classes == desired:
return True
elif len(attrs_classes) == len(desired):
return all(
x.startswith(y)
for x, y in zip(attrs_classes, desired)
)
return False
def get_creation_info(self, html_data):
self.tag_stack = []
self.attrs_stack = []
self.creation_info = {}
self.feed(html_data)
def handle_starttag(self, tag, attrs):
self.tag_stack.append(tag.lower())
self.attrs_stack.append(dict(attrs))
def handle_endtag(self, tag):
self.tag_stack.pop()
self.attrs_stack.pop()
def handle_data(self, data):
# Check first if this is a creation attachment
if self.tag_stack[-6:-1] == self._ATTACH_TAGS:
attrs_classes = [
x.get('class', '').lower() for x in self.attrs_stack[-6:-1]
]
if self._match(attrs_classes, self._ATTACH_CLASSES):
if self.tag_stack[-1] == 'a':
url = self._PREFIX + self.attrs_stack[-1].get('href')
self.creation_info['url'] = url
if '.' in data:
self.creation_info['ext'] = data.rsplit('.')[-1]
# Next, check if this is within the div containing the creation info
if self.tag_stack[-5:-1] == self._INFO_TAGS:
attrs_classes = [
x.get('class', '').lower() for x in self.attrs_stack[-5:-1]
]
if self._match(attrs_classes, self._INFO_CLASSES):
if self.attrs_stack[-1].get('class') == 'utitle':
self.creation_info['title'] = data.strip()
class PatreonIE(InfoExtractor):
IE_NAME = 'patreon'
_VALID_URL = r'https?://(?:www\.)?patreon\.com/creation\?hid=(.+)'
_TESTS = [
# CSS names with "double" in the name, i.e. "boxwrapper double"
{
'url': 'http://www.patreon.com/creation?hid=743933',
'md5': 'e25505eec1053a6e6813b8ed369875cc',
@ -84,6 +22,7 @@ class PatreonIE(InfoExtractor):
'ext': 'mp3',
'title': 'Episode 166: David Smalley of Dogma Debate',
'uploader': 'Cognitive Dissonance Podcast',
'thumbnail': 're:^https?://.*$',
},
},
{
@ -94,6 +33,7 @@ class PatreonIE(InfoExtractor):
'ext': 'mp3',
'title': 'CD 167 Extra',
'uploader': 'Cognitive Dissonance Podcast',
'thumbnail': 're:^https?://.*$',
},
},
]
@ -129,19 +69,33 @@ def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group(1)
info_page = self._download_webpage(url, video_id)
webpage = self._download_webpage(url, video_id)
title = self._og_search_title(webpage).strip()
ret = {'id': video_id}
try:
ret['uploader'] = re.search(
r'<strong>(.+)</strong> is creating', info_page
).group(1)
except AttributeError:
pass
attach_fn = self._html_search_regex(
r'<div class="attach"><a target="_blank" href="([^"]+)">',
webpage, 'attachment URL', default=None)
if attach_fn is not None:
video_url = 'http://www.patreon.com' + attach_fn
thumbnail = self._og_search_thumbnail(webpage)
uploader = self._html_search_regex(
r'<strong>(.*?)</strong> is creating', webpage, 'uploader')
else:
playlist_js = self._search_regex(
r'(?s)new\s+jPlayerPlaylist\(\s*\{\s*[^}]*},\s*(\[.*?,?\s*\])',
webpage, 'playlist JSON')
playlist_json = js_to_json(playlist_js)
playlist = json.loads(playlist_json)
data = playlist[0]
video_url = self._proto_relative_url(data['mp3'])
thumbnail = self._proto_relative_url(data.get('cover'))
uploader = data.get('artist')
parser = PatreonHTMLParser()
parser.get_creation_info(info_page)
if not parser.creation_info.get('url'):
raise ExtractorError('Unable to retrieve creation URL')
ret.update(parser.creation_info)
return ret
return {
'id': video_id,
'url': video_url,
'ext': 'mp3',
'title': title,
'uploader': uploader,
'thumbnail': thumbnail,
}

View File

@ -1474,6 +1474,34 @@ def strip_jsonp(code):
return re.sub(r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?\s*$', r'\1', code)
def js_to_json(code):
def fix_kv(m):
key = m.group(2)
if key.startswith("'"):
assert key.endswith("'")
assert '"' not in key
key = '"%s"' % key[1:-1]
elif not key.startswith('"'):
key = '"%s"' % key
value = m.group(4)
if value.startswith("'"):
assert value.endswith("'")
assert '"' not in value
value = '"%s"' % value[1:-1]
return m.group(1) + key + m.group(3) + value
res = re.sub(r'''(?x)
([{,]\s*)
("[^"]*"|\'[^\']*\'|[a-z0-9A-Z]+)
(:\s*)
([0-9.]+|true|false|"[^"]*"|\'[^\']*\'|\[|\{)
''', fix_kv, code)
res = re.sub(r',(\s*\])', lambda m: m.group(1), res)
return res
def qualities(quality_ids):
""" Get a numeric quality value out of a list of possible values """
def q(qid):