Information Extractor for blip.tv users

This commit is contained in:
Juan Carlos Garcia Segovia 2012-06-06 16:16:16 +00:00
parent 3c4fc580bb
commit eeeb4daabc
2 changed files with 93 additions and 0 deletions

View File

@ -1614,6 +1614,98 @@ def _real_extract(self, url):
self._downloader.download(['http://www.youtube.com/watch?v=%s' % video_id]) self._downloader.download(['http://www.youtube.com/watch?v=%s' % video_id])
class BlipTVUserIE(InfoExtractor):
"""Information Extractor for blip.tv users."""
_VALID_URL = r'(?:(?:(?:https?://)?(?:\w+\.)?blip\.tv/)|bliptvuser:)([^/]+)/*$'
_PAGE_SIZE = 10
IE_NAME = u'blip.tv:user'
def __init__(self, downloader=None):
InfoExtractor.__init__(self, downloader)
def report_download_page(self, username, pagenum):
"""Report attempt to download user page."""
self._downloader.to_screen(u'[%s] user %s: Downloading video ids from page %d' %
(self.IE_NAME, username, pagenum))
def _real_extract(self, url):
# Extract username
mobj = re.match(self._VALID_URL, url)
if mobj is None:
self._downloader.trouble(u'ERROR: invalid url: %s' % url)
return
username = mobj.group(1)
page_base = None
request = urllib2.Request(url)
try:
page = urllib2.urlopen(request).read().decode('utf-8')
mobj = re.search(r'data-source-url="([^"]+)"', page)
page_base = "http://blip.tv" + unescapeHTML(mobj.group(1))
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
return
# Download video ids using BlipTV Page API. Result size per
# query is limited (currently to 10 videos) so we need to query
# page by page until there are no video ids - it means we got
# all of them.
video_ids = []
pagenum = 0
while True:
self.report_download_page(username, pagenum)
request = urllib2.Request( page_base + "&page=" + str(pagenum+1) )
try:
page = urllib2.urlopen(request).read().decode('utf-8')
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
return
# Extract video identifiers
ids_in_page = []
for mobj in re.finditer(r'href="/([^"]+)"', page):
if mobj.group(1) not in ids_in_page:
ids_in_page.append(unescapeHTML(mobj.group(1)))
video_ids.extend(ids_in_page)
# A little optimization - if current page is not
# "full", ie. does not contain PAGE_SIZE video ids then
# we can assume that this page is the last one - there
# are no more ids on further pages - no need to query
# again.
if len(ids_in_page) < self._PAGE_SIZE:
break
pagenum += 1
all_ids_count = len(video_ids)
playliststart = self._downloader.params.get('playliststart', 1) - 1
playlistend = self._downloader.params.get('playlistend', -1)
if playlistend == -1:
video_ids = video_ids[playliststart:]
else:
video_ids = video_ids[playliststart:playlistend]
self._downloader.to_screen(u"[%s] user %s: Collected %d video ids (downloading %d of them)" %
(self.IE_NAME, username, all_ids_count, len(video_ids)))
for video_id in video_ids:
self._downloader.download([u'http://blip.tv/'+video_id])
class DepositFilesIE(InfoExtractor): class DepositFilesIE(InfoExtractor):
"""Information extractor for depositfiles.com""" """Information extractor for depositfiles.com"""

View File

@ -338,6 +338,7 @@ def gen_extractors():
YahooSearchIE(), YahooSearchIE(),
DepositFilesIE(), DepositFilesIE(),
FacebookIE(), FacebookIE(),
BlipTVUserIE(),
BlipTVIE(), BlipTVIE(),
VimeoIE(), VimeoIE(),
MyVideoIE(), MyVideoIE(),