commit 25af2bce3ad6a17741388ffa10ae269770c1cfa3
parent d1580ed9908f10d6eb550e1ce8c31d3bc6921570
Author: Ricardo Garcia <sarbalap+freshmeat@gmail.com>
Date: Mon, 2 Feb 2009 19:59:48 +0100
Include Danny Colligan's YouTube search InfoExtractor
Diffstat:
| M | youtube-dl | | | 86 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 86 insertions(+), 0 deletions(-)
diff --git a/youtube-dl b/youtube-dl
@@ -721,6 +721,90 @@ class MetacafeIE(InfoExtractor):
'ext': video_extension.decode('utf-8'),
}]
+
+class YoutubeSearchIE(InfoExtractor):
+ """Information Extractor for YouTube search queries."""
+ _VALID_QUERY = r'ytsearch(\d+|all)?:[\s\S]+'
+ _TEMPLATE_URL = 'http://www.youtube.com/results?search_query=%s&page=%s&gl=US&hl=en'
+ _VIDEO_INDICATOR = r'href="/watch\?v=.+?"'
+ _MORE_PAGES_INDICATOR = r'>Next</a>'
+ _youtube_ie = None
+
+ def __init__(self, youtube_ie, downloader=None):
+ InfoExtractor.__init__(self, downloader)
+ self._youtube_ie = youtube_ie
+
+ @staticmethod
+ def suitable(url):
+ return (re.match(YoutubeSearchIE._VALID_QUERY, url) is not None)
+
+ def report_download_page(self, query, pagenum):
+ """Report attempt to download playlist page with given number."""
+ self.to_stdout(u'[youtube] query "%s": Downloading page %s' % (query, pagenum))
+
+ def _real_initialize(self):
+ self._youtube_ie.initialize()
+
+ def _real_extract(self, query):
+ mobj = re.match(self._VALID_QUERY, query)
+ if mobj is None:
+ self.to_stderr(u'ERROR: invalid search query "%s"' % query)
+ return [None]
+
+ prefix, query = query.split(':')
+ prefix = prefix[8:]
+ if prefix == '':
+ return self._download_n_results(query, 1)
+ elif prefix == 'all':
+ return self._download_n_results(query, -1)
+ else:
+ try:
+ n = int(prefix)
+ if n <= 0:
+ self.to_stderr(u'ERROR: invalid download number %s for query "%s"' % (n, query))
+ return [None]
+ return self._download_n_results(query, n)
+ except ValueError: # parsing prefix as int fails
+ return self._download_n_results(query, 1)
+
+ def _download_n_results(self, query, n):
+ """Downloads a specified number of results for a query"""
+
+ video_ids = []
+ already_seen = set()
+ pagenum = 1
+
+ while True:
+ self.report_download_page(query, pagenum)
+ result_url = self._TEMPLATE_URL % (urllib.quote(query.replace(' ', '+')), pagenum)
+ request = urllib2.Request(result_url, None, std_headers)
+ try:
+ page = urllib2.urlopen(request).read()
+ except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+ self.to_stderr(u'ERROR: unable to download webpage: %s' % str(err))
+ return [None]
+
+ # Extract video identifiers
+ for mobj in re.finditer(self._VIDEO_INDICATOR, page):
+ video_id = page[mobj.span()[0]:mobj.span()[1]].split('=')[2][:-1]
+ if video_id not in already_seen:
+ video_ids.append(video_id)
+ already_seen.add(video_id)
+ if len(video_ids) == n:
+ # Specified n videos reached
+ information = []
+ for id in video_ids:
+ information.extend(self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id))
+ return information
+
+ if self._MORE_PAGES_INDICATOR not in page:
+ information = []
+ for id in video_ids:
+ information.extend(self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id))
+ return information
+
+ pagenum = pagenum + 1
+
class YoutubePlaylistIE(InfoExtractor):
"""Information Extractor for YouTube playlists."""
@@ -925,6 +1009,7 @@ if __name__ == '__main__':
youtube_ie = YoutubeIE()
metacafe_ie = MetacafeIE(youtube_ie)
youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
+ youtube_search_ie = YoutubeSearchIE(youtube_ie)
# File downloader
charset = locale.getdefaultlocale()[1]
@@ -946,6 +1031,7 @@ if __name__ == '__main__':
'ignoreerrors': opts.ignoreerrors,
'ratelimit': opts.ratelimit,
})
+ fd.add_info_extractor(youtube_search_ie)
fd.add_info_extractor(youtube_pl_ie)
fd.add_info_extractor(metacafe_ie)
fd.add_info_extractor(youtube_ie)
