Basic blip.tv support

youtube-dl

@@ -15,6 +15,7 @@ import email.utils
 import gzip
 import htmlentitydefs
 import httplib
+import json # TODO: json for 2.5
 import locale
 import math
 import netrc
@@ -2563,6 +2564,80 @@ class FacebookIE(InfoExtractor):
 			except UnavailableVideoError, err:
 				self._downloader.trouble(u'\nERROR: unable to download video')
 
+class BlipTVIE(InfoExtractor):
+	"""Information extractor for blip.tv"""
+
+	_VALID_URL = r'^(?:https?://)?(?:\w+\.)?blip.tv/(.+)$'
+	_URL_EXT = r'^.*\.([a-z0-9]+)$'
+
+	@staticmethod
+	def suitable(url):
+		return (re.match(BlipTVIE._VALID_URL, url) is not None)
+
+	def report_download_webpage(self, file_id):
+		"""Report webpage download."""
+		self._downloader.to_screen(u'[%s] %s: Downloading webpage' % (self.service_name, file_id))
+
+	def report_extraction(self, file_id):
+		"""Report information extraction."""
+		self._downloader.to_screen(u'[%s] %s: Extracting information' % (self.service_name, file_id))
+
+	@property
+	def service_name(self):
+		return u'blip.tv'
+
+	def _simplify_title(self, title):
+		res = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', title)
+		res = res.strip(ur'_')
+		return res
+
+	def _real_extract(self, url):
+		mobj = re.match(self._VALID_URL, url)
+		if mobj is None:
+			self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
+			return
+
+		json_url = url + ('&' if '?' in url else '?') + 'skin=json&version=2&no_wrap=1'
+		request = urllib2.Request(json_url)
+		try:
+			json_code = urllib2.urlopen(request).read()
+		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+			self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
+			return
+		try:
+			json_data = json.loads(json_code)
+			data = json_data['Post']
+
+			upload_date = datetime.datetime.strptime(data['datestamp'], '%m-%d-%y %H:%M%p').strftime('%Y%m%d')
+			video_url = data['media']['url']
+			umobj = re.match(self._URL_EXT, video_url)
+			if umobj is None:
+				raise ValueError('Can not determine filename extension')
+			ext = umobj.group(1)
+
+			info = {
+				'id': data['item_id'],
+				'url': video_url,
+				'uploader': data['display_name'],
+				'upload_date': upload_date,
+				'title': data['title'],
+				'stitle': self._simplify_title(data['title']),
+				'ext': ext,
+				'format': data['media']['mimeType'],
+				'thumbnail': data['thumbnailUrl'],
+				'description': data['description'],
+				'player_url': data['embedUrl']
+			}
+		except (ValueError,KeyError), err:
+			self._downloader.trouble(u'ERROR: unable to parse video information: %s' % str(err))
+			return
+
+		try:
+			self._downloader.process_info(info)
+		except UnavailableVideoError, err:
+			self._downloader.trouble(u'\nERROR: unable to download video')
+
+
 class PostProcessor(object):
 	"""Post Processor class.
 
@@ -2911,6 +2986,7 @@ if __name__ == '__main__':
 		yahoo_search_ie = YahooSearchIE(yahoo_ie)
 		deposit_files_ie = DepositFilesIE()
 		facebook_ie = FacebookIE()
+		bliptv_ie = BlipTVIE()
 		generic_ie = GenericIE()
 
 		# File downloader
@@ -2963,6 +3039,7 @@ if __name__ == '__main__':
 		fd.add_info_extractor(yahoo_search_ie)
 		fd.add_info_extractor(deposit_files_ie)
 		fd.add_info_extractor(facebook_ie)
+		fd.add_info_extractor(bliptv_ie)
 
 		# This must come last since it's the
 		# fallback if none of the others work