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[youku:show] Refine playlist extraction

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Handle playlists that the initial page is not the first page
This commit is contained in:
Yen Chi Hsuan 2017-07-20 23:20:46 +08:00
parent fa63cf6c23
commit 3fcf346ac1
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GPG key ID: 7F902A182457CA23
1 changed files with 23 additions and 11 deletions
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34
youtube_dl/extractor/youku.py
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@ -13,7 +13,6 @@ from ..utils import (
js_to_json,
str_or_none,
strip_jsonp,
urljoin,
)
@ -238,13 +237,16 @@ class YoukuShowIE(InfoExtractor):
'description': 'md5:275715156abebe5ccc2a1992e9d56b98',
},
'playlist_count': 24,
}, {
# Ongoing playlist. The initial page is the last one
'url': 'http://list.youku.com/show/id_za7c275ecd7b411e1a19e.html',
'only_matchine': True,
}]
def _extract_entries(self, playlist_data_url, show_id, idx, query, url):
def _extract_entries(self, playlist_data_url, show_id, note, query):
query['callback'] = 'cb'
playlist_data = self._download_json(
playlist_data_url, show_id, query=query,
note='Downloading playlist data page %d' % (idx + 1),
playlist_data_url, show_id, query=query, note=note,
transform_source=lambda s: js_to_json(strip_jsonp(s)))['html']
drama_list = (get_element_by_class('p-drama-grid', playlist_data) or
get_element_by_class('p-drama-half-row', playlist_data))
@ -252,29 +254,39 @@ class YoukuShowIE(InfoExtractor):
raise ExtractorError('No episodes found')
video_urls = re.findall(r'<a[^>]+href="([^"]+)"', drama_list)
return playlist_data, [
self.url_result(urljoin(url, video_url), YoukuIE.ie_key())
self.url_result(self._proto_relative_url(video_url, 'http:'), YoukuIE.ie_key())
for video_url in video_urls]
def _real_extract(self, url):
show_id = self._match_id(url)
webpage = self._download_webpage(url, show_id)
entries = []
page_config = self._parse_json(self._search_regex(
r'var\s+PageConfig\s*=\s*({.+});', webpage, 'page config'),
show_id, transform_source=js_to_json)
first_page, entries = self._extract_entries(
'http://list.youku.com/show/module', show_id, 0, {
first_page, initial_entries = self._extract_entries(
'http://list.youku.com/show/module', show_id,
note='Downloading initial playlist data page',
query={
'id': page_config['showid'],
'tab': 'showInfo',
}, url)
})
first_page_reload_id = self._html_search_regex(
r'<div[^>]+id="(reload_\d+)', first_page, 'first page reload id')
# The first reload_id has the same items as first_page
reload_ids = re.findall('<li[^>]+data-id="([^"]+)">', first_page)[1:]
reload_ids = re.findall('<li[^>]+data-id="([^"]+)">', first_page)
for idx, reload_id in enumerate(reload_ids):
if reload_id == first_page_reload_id:
entries.extend(initial_entries)
continue
_, new_entries = self._extract_entries(
'http://list.youku.com/show/episode', show_id, idx + 1, {
'http://list.youku.com/show/episode', show_id,
note='Downloading playlist data page %d' % (idx + 1),
query={
'id': page_config['showid'],
'stage': reload_id,
}, url)
})
entries.extend(new_entries)
desc = self._html_search_meta('description', webpage, fatal=False)