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[kuwo] Regular expression improvements
1. Prevent .+ and .* 2. Use [^>]+ instead of spaces for HTML tags 3. Remove unnecessary trailing parts
This commit is contained in:
Yen Chi Hsuan
parent
a34af8d066
commit
a31e3e7dcb
2 changed files with 26 additions and 23 deletions
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@ -9,6 +9,7 @@
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get_element_by_id,
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clean_html,
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ExtractorError,
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remove_start,
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)
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@ -73,10 +74,10 @@ def _real_extract(self, url):
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errnote='Unable to get song detail info')
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song_name = self._html_search_regex(
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r'<h1 title="(.+?)">', webpage, 'song name')
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r'<h1[^>]+title="([^"]+)">', webpage, 'song name')
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singer_name = self._html_search_regex(
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r'<div class="s_img">.+?title="(.+?)".+?</div>', webpage, 'singer name',
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flags=re.DOTALL, default=None)
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r'<div[^>]+class="s_img">\s*<a[^>]+title="([^>]+)"',
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webpage, 'singer name', default=None)
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lrc_content = clean_html(get_element_by_id("lrcContent", webpage))
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if lrc_content == '暂无': # indicates no lyrics
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lrc_content = None
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@ -84,7 +85,7 @@ def _real_extract(self, url):
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formats = self._get_formats(song_id)
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album_id = self._html_search_regex(
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r'<p class="album" title=".+?">.+?<a href="http://www\.kuwo\.cn/album/([0-9]+)/" ',
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r'<p[^>]+class="album"[^<]+<a[^>]+href="http://www\.kuwo\.cn/album/(\d+)/"',
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webpage, 'album id', default=None, fatal=False)
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publish_time = None
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@ -131,15 +132,16 @@ def _real_extract(self, url):
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errnote='Unable to get album info')
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album_name = self._html_search_regex(
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r'<div class="comm".+?<h1 title="(.+?)">.+?</h1>', webpage,
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'album name', flags=re.DOTALL)
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album_intro = clean_html(
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re.sub(r'^.+简介：', '', get_element_by_id("intro", webpage).strip()))
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r'<div[^>]+class="comm"[^<]+<h1[^>]+title="([^"]+)"', webpage,
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'album name')
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album_intro = remove_start(
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clean_html(get_element_by_id("intro", webpage)),
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'%s简介：' % album_name)
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entries = [
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self.url_result("http://www.kuwo.cn/yinyue/%s/" % song_id, 'Kuwo', song_id)
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for song_id in re.findall(
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r'<p class="listen"><a href="http://www\.kuwo\.cn/yinyue/([0-9]+)/" target="_blank" title="试听.*?"></a></p>',
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r'<p[^>]+class="listen"><a[^>]+href="http://www\.kuwo\.cn/yinyue/(\d+)/"',
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webpage)
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]
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return self.playlist_result(entries, album_id, album_name, album_intro)
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@ -147,7 +149,7 @@ def _real_extract(self, url):
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class KuwoChartIE(InfoExtractor):
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IE_NAME = 'kuwo:chart'
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_VALID_URL = r'http://yinyue\.kuwo\.cn/billboard_(?P<id>.+?).htm'
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_VALID_URL = r'http://yinyue\.kuwo\.cn/billboard_(?P<id>[^.]+).htm'
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_TEST = {
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'url': 'http://yinyue.kuwo.cn/billboard_香港中文龙虎榜.htm',
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'info_dict': {
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@ -165,15 +167,15 @@ def _real_extract(self, url):
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errnote='Unable to get chart info')
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chart_name = self._html_search_regex(
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r'<h1 class="unDis">(.+?)</h1>', webpage, 'chart name')
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r'<h1[^>]+class="unDis">([^<]+)</h1>', webpage, 'chart name')
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chart_desc = self._html_search_regex(
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r'<p class="tabDef">([0-9]{4}第[0-9]{2}期)</p>', webpage, 'chart desc')
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r'<p[^>]+class="tabDef">(\d{4}第\d{2}期)</p>', webpage, 'chart desc')
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entries = [
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self.url_result("http://www.kuwo.cn/yinyue/%s/" % song_id, 'Kuwo', song_id)
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for song_id in re.findall(
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r'<a href="http://www\.kuwo\.cn/yinyue/([0-9]+)/" .+?>.+?</a>', webpage)
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r'<a[^>]+href="http://www\.kuwo\.cn/yinyue/(\d+)/"', webpage)
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]
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return self.playlist_result(entries, chart_id, chart_name, chart_desc)
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@ -204,11 +206,11 @@ def _real_extract(self, url):
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errnote='Unable to get singer info')
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singer_name = self._html_search_regex(
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r'<div class="title clearfix">[\n\s\t]*?<h1>(.+?)<span', webpage, 'singer name'
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r'<div class="title clearfix">\s*<h1>([^<]+)<span', webpage, 'singer name'
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)
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entries = []
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first_page_only = False if re.match(r'.+/music(?:_[0-9]+)?\.htm', url) else True
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first_page_only = False if re.search(r'/music(?:_[0-9]+)?\.htm', url) else True
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for page_num in itertools.count(1):
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webpage = self._download_webpage(
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'http://www.kuwo.cn/mingxing/%s/music_%d.htm' % (singer_id, page_num),
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@ -218,11 +220,11 @@ def _real_extract(self, url):
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entries.extend([
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self.url_result("http://www.kuwo.cn/yinyue/%s/" % song_id, 'Kuwo', song_id)
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for song_id in re.findall(
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r'<p class="m_name"><a href="http://www\.kuwo\.cn/yinyue/([0-9]+)/',
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r'<p[^>]+class="m_name"><a[^>]+href="http://www\.kuwo\.cn/yinyue/([0-9]+)/',
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webpage)
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][:10 if first_page_only else None])
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if first_page_only or not re.search(r'<a href="[^"]+">下一页</a>', webpage):
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if first_page_only or not re.search(r'<a[^>]+href="[^"]+">下一页</a>', webpage):
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break
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return self.playlist_result(entries, singer_id, singer_name)
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@ -248,13 +250,14 @@ def _real_extract(self, url):
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errnote='Unable to get category info')
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category_name = self._html_search_regex(
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r'<h1 title="([^<>]+?)">[^<>]+?</h1>', webpage, 'category name')
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r'<h1[^>]+title="([^<>]+?)">[^<>]+?</h1>', webpage, 'category name')
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category_desc = re.sub(
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r'^.+简介：', '', get_element_by_id("intro", webpage).strip())
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category_desc = remove_start(
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get_element_by_id("intro", webpage).strip(),
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'%s简介：' % category_name)
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jsonm = self._parse_json(self._html_search_regex(
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r'var jsonm = (\{.+?\});', webpage, 'category songs'), category_id)
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r'var\s+jsonm\s*=\s*([^;]+);', webpage, 'category songs'), category_id)
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entries = [
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self.url_result(
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@ -289,7 +292,7 @@ def _real_extract(self, url):
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errnote='Unable to get mv detail info: %s' % song_id)
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mobj = re.search(
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r'<h1 title="(?P<song>.+?)">[^<>]+<span .+?title="(?P<singer>.+?)".+?>[^<>]+</span></h1>',
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r'<h1[^>]+title="(?P<song>[^"]+)">[^<]+<span[^>]+title="(?P<singer>[^"]+)"',
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webpage)
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if mobj:
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song_name = mobj.group('song')
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@ -229,7 +229,7 @@ def _real_extract(self, url):
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if info['artist']['trans']:
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name = '%s - %s' % (name, info['artist']['trans'])
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if info['artist']['alias']:
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name = '%s - %s' % (name, ";".join(info['artist']['alias']))
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name = '%s - %s' % (name, ';'.join(info['artist']['alias']))
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entries = [
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self.url_result('http://music.163.com/#/song?id=%s' % song['id'],
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