Bump version number

Fixes issue #19.

LATEST_VERSION

@@ -1 +1 @@
-2009.05.25
+2010.01.05

youtube-dl

@@ -13,13 +13,15 @@ import os.path
 import re
 import socket
 import string
+import subprocess
 import sys
 import time
 import urllib
 import urllib2
+import urlparse
 
 std_headers = {
-	'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.8) Gecko/2009032609 Firefox/3.0.8',
+	'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2',
 	'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
 	'Accept': 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5',
 	'Accept-Language': 'en-us,en;q=0.5',
@@ -27,6 +29,22 @@ std_headers = {
 
 simple_title_chars = string.ascii_letters.decode('ascii') + string.digits.decode('ascii')
 
+def preferredencoding():
+	"""Get preferred encoding.
+
+	Returns the best encoding scheme for the system, based on
+	locale.getpreferredencoding() and some further tweaks.
+	"""
+	def yield_preferredencoding():
+		try:
+			pref = locale.getpreferredencoding()
+			u'TEST'.encode(pref)
+		except:
+			pref = 'UTF-8'
+		while True:
+			yield pref
+	return yield_preferredencoding().next()
+
 class DownloadError(Exception):
 	"""Download Error exception.
 	
@@ -114,6 +132,7 @@ class FileDownloader(object):
 	ignoreerrors:	Do not stop on download errors.
 	ratelimit:	Download speed limit, in bytes/sec.
 	nooverwrites:	Prevent overwriting files.
+	continuedl:	Try to continue downloads if possible.
 	"""
 
 	params = None
@@ -142,10 +161,12 @@ class FileDownloader(object):
 	def format_bytes(bytes):
 		if bytes is None:
 			return 'N/A'
-		if bytes == 0:
+		if type(bytes) is str:
+			bytes = float(bytes)
+		if bytes == 0.0:
 			exponent = 0
 		else:
-			exponent = long(math.log(float(bytes), 1024.0))
+			exponent = long(math.log(bytes, 1024.0))
 		suffix = 'bkMGTPEZY'[exponent]
 		converted = float(bytes) / float(1024**exponent)
 		return '%.2f%s' % (converted, suffix)
@@ -182,13 +203,13 @@ class FileDownloader(object):
 		new_min = max(bytes / 2.0, 1.0)
 		new_max = min(max(bytes * 2.0, 1.0), 4194304) # Do not surpass 4 MB
 		if elapsed_time < 0.001:
-			return int(new_max)
+			return long(new_max)
 		rate = bytes / elapsed_time
 		if rate > new_max:
-			return int(new_max)
+			return long(new_max)
 		if rate < new_min:
-			return int(new_min)
-		return int(rate)
+			return long(new_min)
+		return long(rate)
 
 	@staticmethod
 	def parse_bytes(bytestr):
@@ -202,11 +223,13 @@ class FileDownloader(object):
 
 	@staticmethod
 	def verify_url(url):
-		"""Verify a URL is valid and data could be downloaded."""
+		"""Verify a URL is valid and data could be downloaded. Return real data URL."""
 		request = urllib2.Request(url, None, std_headers)
 		data = urllib2.urlopen(request)
 		data.read(1)
+		url = data.geturl()
 		data.close()
+		return url
 
 	def add_info_extractor(self, ie):
 		"""Add an InfoExtractor object to the end of the list."""
@@ -221,12 +244,12 @@ class FileDownloader(object):
 	def to_stdout(self, message, skip_eol=False):
 		"""Print message to stdout if not in quiet mode."""
 		if not self.params.get('quiet', False):
-			print (u'%s%s' % (message, [u'\n', u''][skip_eol])).encode(locale.getpreferredencoding()),
+			print (u'%s%s' % (message, [u'\n', u''][skip_eol])).encode(preferredencoding()),
 			sys.stdout.flush()
 	
 	def to_stderr(self, message):
 		"""Print message to stderr."""
-		print >>sys.stderr, message
+		print >>sys.stderr, message.encode(preferredencoding())
 	
 	def fixed_template(self):
 		"""Checks if the output template is fixed."""
@@ -267,6 +290,18 @@ class FileDownloader(object):
 		self.to_stdout(u'\r[download] %s of %s at %s ETA %s' %
 				(percent_str, data_len_str, speed_str, eta_str), skip_eol=True)
 
+	def report_resuming_byte(self, resume_len):
+		"""Report attemtp to resume at given byte."""
+		self.to_stdout(u'[download] Resuming download at byte %s' % resume_len)
+	
+	def report_file_already_downloaded(self, file_name):
+		"""Report file has already been fully downloaded."""
+		self.to_stdout(u'[download] %s has already been downloaded' % file_name)
+	
+	def report_unable_to_resume(self):
+		"""Report it was impossible to resume download."""
+		self.to_stdout(u'[download] Unable to resume')
+	
 	def report_finish(self):
 		"""Report download finished."""
 		self.to_stdout(u'')
@@ -276,15 +311,15 @@ class FileDownloader(object):
 		# Do nothing else if in simulate mode
 		if self.params.get('simulate', False):
 			try:
-				self.verify_url(info_dict['url'])
+				info_dict['url'] = self.verify_url(info_dict['url'].encode('utf-8')).decode('utf-8')
 			except (OSError, IOError, urllib2.URLError, httplib.HTTPException, socket.error), err:
 				raise UnavailableFormatError
 
 			# Forced printings
 			if self.params.get('forcetitle', False):
-				print info_dict['title'].encode(locale.getpreferredencoding())
+				print info_dict['title'].encode(preferredencoding())
 			if self.params.get('forceurl', False):
-				print info_dict['url'].encode(locale.getpreferredencoding())
+				print info_dict['url'].encode(preferredencoding())
 
 			return
 			
@@ -292,11 +327,10 @@ class FileDownloader(object):
 			template_dict = dict(info_dict)
 			template_dict['epoch'] = unicode(long(time.time()))
 			filename = self.params['outtmpl'] % template_dict
-			self.report_destination(filename)
 		except (ValueError, KeyError), err:
 			self.trouble('ERROR: invalid output template or system charset: %s' % str(err))
-		if self.params['nooverwrites'] and os.path.exists(filename):
-			self.to_stderr('WARNING: file exists: %s; skipping' % filename)
+		if self.params.get('nooverwrites', False) and os.path.exists(filename):
+			self.to_stderr(u'WARNING: file exists: %s; skipping' % filename)
 			return
 
 		try:
@@ -306,17 +340,8 @@ class FileDownloader(object):
 			return
 
 		try:
-			outstream = open(filename, 'wb')
+			success = self._do_download(filename, info_dict['url'].encode('utf-8'))
 		except (OSError, IOError), err:
-			self.trouble('ERROR: unable to open for writing: %s' % str(err))
-			return
-
-		try:
-			self._do_download(outstream, info_dict['url'])
-			outstream.close()
-		except (OSError, IOError), err:
-			outstream.close()
-			os.remove(filename)
 			raise UnavailableFormatError
 		except (urllib2.URLError, httplib.HTTPException, socket.error), err:
 			self.trouble('ERROR: unable to download video data: %s' % str(err))
@@ -325,6 +350,7 @@ class FileDownloader(object):
 			self.trouble('ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
 			return
 
+		if success:
 			try:
 				self.post_process(filename, info_dict)
 			except (PostProcessingError), err:
@@ -366,21 +392,78 @@ class FileDownloader(object):
 			if info is None:
 				break
 	
-	def _do_download(self, stream, url):
+	def _download_with_rtmpdump(self, filename, url):
+		self.report_destination(filename)
+
+		# Check for rtmpdump first
+		try:
+			subprocess.call(['rtmpdump', '-h'], stdout=(file(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
+		except (OSError, IOError):
+			self.trouble(u'ERROR: RTMP download detected but "rtmpdump" could not be run')
+			return False
+
+		# Download using rtmpdump. rtmpdump returns exit code 2 when
+		# the connection was interrumpted and resuming appears to be
+		# possible. This is part of rtmpdump's normal usage, AFAIK.
+		retval = subprocess.call(['rtmpdump', '-q', '-r', url, '-o', filename] + [[], ['-e']][self.params.get('continuedl', False)])
+		while retval == 2:
+			self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename), skip_eol=True)
+			time.sleep(2.0) # This seems to be needed
+			retval = subprocess.call(['rtmpdump', '-q', '-e', '-r', url, '-o', filename])
+		if retval == 0:
+			self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename))
+			return True
+		else:
+			self.trouble('ERROR: rtmpdump exited with code %d' % retval)
+			return False
+
+	def _do_download(self, filename, url):
+		# Attempt to download using rtmpdump
+		if url.startswith('rtmp'):
+			return self._download_with_rtmpdump(filename, url)
+
+		stream = None
+		open_mode = 'wb'
+		basic_request = urllib2.Request(url, None, std_headers)
 		request = urllib2.Request(url, None, std_headers)
+
+		# Establish possible resume length
+		if os.path.isfile(filename):
+			resume_len = os.path.getsize(filename)
+		else:
+			resume_len = 0
+
+		# Request parameters in case of being able to resume
+		if self.params.get('continuedl', False) and resume_len != 0:
+			self.report_resuming_byte(resume_len)
+			request.add_header('Range','bytes=%d-' % resume_len)
+			open_mode = 'ab'
+
+		# Establish connection
+		try:
 			data = urllib2.urlopen(request)
+		except (urllib2.HTTPError, ), err:
+			if err.code != 416: #  416 is 'Requested range not satisfiable'
+				raise
+			# Unable to resume
+			data = urllib2.urlopen(basic_request)
+			content_length = data.info()['Content-Length']
+
+			if content_length is not None and long(content_length) == resume_len:
+				# Because the file had already been fully downloaded
+				self.report_file_already_downloaded(filename)
+				return True
+			else:
+				# Because the server didn't let us
+				self.report_unable_to_resume()
+				open_mode = 'wb'
+
 		data_len = data.info().get('Content-length', None)
 		data_len_str = self.format_bytes(data_len)
 		byte_counter = 0
 		block_size = 1024
 		start = time.time()
 		while True:
-			# Progress message
-			percent_str = self.calc_percent(byte_counter, data_len)
-			eta_str = self.calc_eta(start, time.time(), data_len, byte_counter)
-			speed_str = self.calc_speed(start, time.time(), byte_counter)
-			self.report_progress(percent_str, data_len_str, speed_str, eta_str)
-
 			# Download and write
 			before = time.time()
 			data_block = data.read(block_size)
@@ -389,15 +472,31 @@ class FileDownloader(object):
 			if data_block_len == 0:
 				break
 			byte_counter += data_block_len
+
+			# Open file just in time
+			if stream is None:
+				try:
+					stream = open(filename, open_mode)
+					self.report_destination(filename)
+				except (OSError, IOError), err:
+					self.trouble('ERROR: unable to open for writing: %s' % str(err))
+					return False
 			stream.write(data_block)
 			block_size = self.best_block_size(after - before, data_block_len)
 
+			# Progress message
+			percent_str = self.calc_percent(byte_counter, data_len)
+			eta_str = self.calc_eta(start, time.time(), data_len, byte_counter)
+			speed_str = self.calc_speed(start, time.time(), byte_counter)
+			self.report_progress(percent_str, data_len_str, speed_str, eta_str)
+
 			# Apply rate limit
 			self.slow_down(start, byte_counter)
 
 		self.report_finish()
 		if data_len is not None and str(byte_counter) != data_len:
 			raise ContentTooShortError(byte_counter, long(data_len))
+		return True
 
 class InfoExtractor(object):
 	"""Information Extractor class.
@@ -468,12 +567,13 @@ class YoutubeIE(InfoExtractor):
 	_LOGIN_URL = 'http://www.youtube.com/signup?next=/&gl=US&hl=en'
 	_AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
 	_NETRC_MACHINE = 'youtube'
-	_available_formats = ['22', '35', '18', '17', '13'] # listed in order of priority for -b flag
+	_available_formats = ['37', '22', '35', '18', '5', '17', '13', None] # listed in order of priority for -b flag
 	_video_extensions = {
 		'13': '3gp',
 		'17': 'mp4',
 		'18': 'mp4',
 		'22': 'mp4',
+		'37': 'mp4',
 	}
 
 	@staticmethod
@@ -515,22 +615,22 @@ class YoutubeIE(InfoExtractor):
 		"""Report attempt to confirm age."""
 		self._downloader.to_stdout(u'[youtube] Confirming age')
 	
-	def report_webpage_download(self, video_id):
-		"""Report attempt to download webpage."""
-		self._downloader.to_stdout(u'[youtube] %s: Downloading video webpage' % video_id)
+	def report_video_info_webpage_download(self, video_id):
+		"""Report attempt to download video info webpage."""
+		self._downloader.to_stdout(u'[youtube] %s: Downloading video info webpage' % video_id)
 	
 	def report_information_extraction(self, video_id):
 		"""Report attempt to extract video information."""
 		self._downloader.to_stdout(u'[youtube] %s: Extracting video information' % video_id)
 	
-	def report_video_url(self, video_id, video_real_url):
-		"""Report extracted video URL."""
-		self._downloader.to_stdout(u'[youtube] %s: URL: %s' % (video_id, video_real_url))
-	
 	def report_unavailable_format(self, video_id, format):
 		"""Report extracted video URL."""
 		self._downloader.to_stdout(u'[youtube] %s: Format %s not available' % (video_id, format))
 	
+	def report_rtmp_download(self):
+		"""Indicate the download will use the RTMP protocol."""
+		self._downloader.to_stdout(u'[youtube] RTMP download detected')
+	
 	def _real_initialize(self):
 		if self._downloader is None:
 			return
@@ -623,42 +723,52 @@ class YoutubeIE(InfoExtractor):
 			# Extension
 			video_extension = self._video_extensions.get(format_param, 'flv')
 
-			# Normalize URL, including format
-			normalized_url = 'http://www.youtube.com/watch?v=%s&gl=US&hl=en' % video_id
-			if format_param is not None:
-				normalized_url = '%s&fmt=%s' % (normalized_url, format_param)
-			request = urllib2.Request(normalized_url, None, std_headers)
+			# Get video info
+			video_info_url = 'http://www.youtube.com/get_video_info?&video_id=%s&el=detailpage&ps=default&eurl=&gl=US&hl=en' % video_id
+			request = urllib2.Request(video_info_url, None, std_headers)
 			try:
-				self.report_webpage_download(video_id)
-				video_webpage = urllib2.urlopen(request).read()
+				self.report_video_info_webpage_download(video_id)
+				video_info_webpage = urllib2.urlopen(request).read()
+				video_info = urlparse.parse_qs(video_info_webpage)
 			except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-				self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+				self._downloader.trouble(u'ERROR: unable to download video info webpage: %s' % str(err))
 				return
 			self.report_information_extraction(video_id)
 
 			# "t" param
-			mobj = re.search(r', "t": "([^"]+)"', video_webpage)
-			if mobj is None:
-				self._downloader.trouble(u'ERROR: unable to extract "t" parameter')
+			if 'token' not in video_info:
+				# Attempt to see if YouTube has issued an error message
+				if 'reason' not in video_info:
+					self._downloader.trouble(u'ERROR: unable to extract "t" parameter for unknown reason')
+					stream = open('reportme-ydl-%s.dat' % time.time(), 'wb')
+					stream.write(video_info_webpage)
+					stream.close()
+				else:
+					reason = urllib.unquote_plus(video_info['reason'][0])
+					self._downloader.trouble(u'ERROR: YouTube said: %s' % reason.decode('utf-8'))
 				return
-			video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&el=detailpage&ps=' % (video_id, mobj.group(1))
+			token = urllib.unquote_plus(video_info['token'][0])
+			video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&eurl=&el=detailpage&ps=default&gl=US&hl=en' % (video_id, token)
 			if format_param is not None:
 				video_real_url = '%s&fmt=%s' % (video_real_url, format_param)
-			self.report_video_url(video_id, video_real_url)
+
+			# Check possible RTMP download
+			if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
+				self.report_rtmp_download()
+				video_real_url = video_info['conn'][0]
 
 			# uploader
-			mobj = re.search(r"var watchUsername = '([^']+)';", video_webpage)
-			if mobj is None:
+			if 'author' not in video_info:
 				self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
 				return
-			video_uploader = mobj.group(1)
+			video_uploader = urllib.unquote_plus(video_info['author'][0])
 
 			# title
-			mobj = re.search(r'(?im)<title>YouTube - ([^<]*)</title>', video_webpage)
-			if mobj is None:
+			if 'title' not in video_info:
 				self._downloader.trouble(u'ERROR: unable to extract video title')
 				return
-			video_title = mobj.group(1).decode('utf-8')
+			video_title = urllib.unquote_plus(video_info['title'][0])
+			video_title = video_title.decode('utf-8')
 			video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title)
 			video_title = video_title.replace(os.sep, u'%')
 
@@ -779,19 +889,21 @@ class MetacafeIE(InfoExtractor):
 
 		# Extract URL, uploader and title from webpage
 		self.report_extraction(video_id)
-		mobj = re.search(r'(?m)&mediaURL=(http.*?\.flv)', webpage)
+		mobj = re.search(r'(?m)&mediaURL=([^&]+)', webpage)
 		if mobj is None:
 			self._downloader.trouble(u'ERROR: unable to extract media URL')
 			return
 		mediaURL = urllib.unquote(mobj.group(1))
 
-		mobj = re.search(r'(?m)&gdaKey=(.*?)&', webpage)
-		if mobj is None:
-			self._downloader.trouble(u'ERROR: unable to extract gdaKey')
-			return
-		gdaKey = mobj.group(1)
+		#mobj = re.search(r'(?m)&gdaKey=(.*?)&', webpage)
+		#if mobj is None:
+		#	self._downloader.trouble(u'ERROR: unable to extract gdaKey')
+		#	return
+		#gdaKey = mobj.group(1)
+		#
+		#video_url = '%s?__gda__=%s' % (mediaURL, gdaKey)
 
-		video_url = '%s?__gda__=%s' % (mediaURL, gdaKey)
+		video_url = mediaURL
 
 		mobj = re.search(r'(?im)<title>(.*) - Video</title>', webpage)
 		if mobj is None:
@@ -799,7 +911,7 @@ class MetacafeIE(InfoExtractor):
 			return
 		video_title = mobj.group(1).decode('utf-8')
 
-		mobj = re.search(r'(?ms)<li id="ChnlUsr">.*?Submitter:.*?<a .*?>(.*?)<', webpage)
+		mobj = re.search(r'(?ms)By:\s*<a .*?>(.+?)<', webpage)
 		if mobj is None:
 			self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
 			return
@@ -824,7 +936,7 @@ class YoutubeSearchIE(InfoExtractor):
 	_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>'
+	_MORE_PAGES_INDICATOR = r'(?m)>\s*Next\s*</a>'
 	_youtube_ie = None
 	_max_youtube_results = 1000
 
@@ -859,7 +971,7 @@ class YoutubeSearchIE(InfoExtractor):
 			return
 		else:
 			try:
-				n = int(prefix)
+				n = long(prefix)
 				if n <= 0:
 					self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
 					return
@@ -868,7 +980,7 @@ class YoutubeSearchIE(InfoExtractor):
 					n = self._max_youtube_results
 				self._download_n_results(query, n)
 				return
-			except ValueError: # parsing prefix as int fails
+			except ValueError: # parsing prefix as integer fails
 				self._download_n_results(query, 1)
 				return
 
@@ -901,7 +1013,7 @@ class YoutubeSearchIE(InfoExtractor):
 							self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
 						return
 
-			if self._MORE_PAGES_INDICATOR not in page:
+			if re.search(self._MORE_PAGES_INDICATOR, page) is None:
 				for id in video_ids:
 					self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
 				return
@@ -911,10 +1023,10 @@ class YoutubeSearchIE(InfoExtractor):
 class YoutubePlaylistIE(InfoExtractor):
 	"""Information Extractor for YouTube playlists."""
 
-	_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/view_play_list\?p=(.+)'
+	_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/(?:view_play_list|my_playlists)\?.*?p=([^&]+).*'
 	_TEMPLATE_URL = 'http://www.youtube.com/view_play_list?p=%s&page=%s&gl=US&hl=en'
 	_VIDEO_INDICATOR = r'/watch\?v=(.+?)&'
-	_MORE_PAGES_INDICATOR = r'/view_play_list?p=%s&amp;page=%s'
+	_MORE_PAGES_INDICATOR = r'/view_play_list?p=%s&page=%s'
 	_youtube_ie = None
 
 	def __init__(self, youtube_ie, downloader=None):
@@ -960,7 +1072,7 @@ class YoutubePlaylistIE(InfoExtractor):
 					ids_in_page.append(mobj.group(1))
 			video_ids.extend(ids_in_page)
 
-			if (self._MORE_PAGES_INDICATOR % (playlist_id, pagenum + 1)) not in page:
+			if (self._MORE_PAGES_INDICATOR % (playlist_id.upper(), pagenum + 1)) not in page:
 				break
 			pagenum = pagenum + 1
 
@@ -968,6 +1080,61 @@ class YoutubePlaylistIE(InfoExtractor):
 			self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
 		return
 
+class YoutubeUserIE(InfoExtractor):
+	"""Information Extractor for YouTube users."""
+
+	_VALID_URL = r'(?:http://)?(?:\w+\.)?youtube.com/user/(.*)'
+	_TEMPLATE_URL = 'http://gdata.youtube.com/feeds/api/users/%s'
+	_VIDEO_INDICATOR = r'http://gdata.youtube.com/feeds/api/videos/(.*)' # XXX Fix this.
+	_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(YoutubeUserIE._VALID_URL, url) is not None)
+
+	def report_download_page(self, username):
+		"""Report attempt to download user page."""
+		self._downloader.to_stdout(u'[youtube] user %s: Downloading page ' % (username))
+
+	def _real_initialize(self):
+		self._youtube_ie.initialize()
+	
+	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
+
+		# Download user page
+		username = mobj.group(1)
+		video_ids = []
+		pagenum = 1
+
+		self.report_download_page(username)
+		request = urllib2.Request(self._TEMPLATE_URL % (username), None, std_headers)
+		try:
+			page = urllib2.urlopen(request).read()
+		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(self._VIDEO_INDICATOR, page):
+			if mobj.group(1) not in ids_in_page:
+				ids_in_page.append(mobj.group(1))
+		video_ids.extend(ids_in_page)
+
+		for id in video_ids:
+			self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+		return
+
 class PostProcessor(object):
 	"""Post Processor class.
 
@@ -1021,6 +1188,22 @@ if __name__ == '__main__':
 		import getpass
 		import optparse
 
+		# Function to update the program file with the latest version from bitbucket.org
+		def update_self(downloader, filename):
+			# Note: downloader only used for options
+			if not os.access (filename, os.W_OK):
+				sys.exit('ERROR: no write permissions on %s' % filename)
+
+			downloader.to_stdout('Updating to latest stable version...')
+			latest_url = 'http://bitbucket.org/rg3/youtube-dl/raw/tip/LATEST_VERSION'
+			latest_version = urllib.urlopen(latest_url).read().strip()
+			prog_url = 'http://bitbucket.org/rg3/youtube-dl/raw/%s/youtube-dl' % latest_version
+			newcontent = urllib.urlopen(prog_url).read()
+			stream = open(filename, 'w')
+			stream.write(newcontent)
+			stream.close()
+			downloader.to_stdout('Updated to version %s' % latest_version)
+
 		# General configuration
 		urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
 		urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
@@ -1029,7 +1212,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 			usage='Usage: %prog [options] url...',
-			version='2009.05.25',
+			version='2010.01.05',
 			conflict_handler='resolve',
 		)
 
@@ -1037,6 +1220,8 @@ if __name__ == '__main__':
 				action='help', help='print this help text and exit')
 		parser.add_option('-v', '--version',
 				action='version', help='print program version and exit')
+		parser.add_option('-U', '--update',
+				action='store_true', dest='update_self', help='update this program to latest stable version')
 		parser.add_option('-i', '--ignore-errors',
 				action='store_true', dest='ignoreerrors', help='continue on download errors', default=False)
 		parser.add_option('-r', '--rate-limit',
@@ -1053,7 +1238,7 @@ if __name__ == '__main__':
 
 		video_format = optparse.OptionGroup(parser, 'Video Format Options')
 		video_format.add_option('-f', '--format',
-				action='append', dest='format', metavar='FMT', help='video format code')
+				action='store', dest='format', metavar='FMT', help='video format code')
 		video_format.add_option('-b', '--best-quality',
 				action='store_const', dest='format', help='download the best quality video possible', const='0')
 		video_format.add_option('-m', '--mobile-version',
@@ -1084,6 +1269,8 @@ if __name__ == '__main__':
 				dest='batchfile', metavar='F', help='file containing URLs to download')
 		filesystem.add_option('-w', '--no-overwrites',
 				action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
+		filesystem.add_option('-c', '--continue',
+				action='store_true', dest='continue_dl', help='resume partially downloaded files', default=False)
 		parser.add_option_group(filesystem)
 
 		(opts, args) = parser.parse_args()
@@ -1100,8 +1287,6 @@ if __name__ == '__main__':
 		all_urls = batchurls + args
 
 		# Conflicting, missing and erroneous options
-		if len(all_urls) < 1:
-			parser.error(u'you must provide at least one URL')
 		if opts.usenetrc and (opts.username is not None or opts.password is not None):
 			parser.error(u'using .netrc conflicts with giving username/password')
 		if opts.password is not None and opts.username is None:
@@ -1122,6 +1307,7 @@ if __name__ == '__main__':
 		youtube_ie = YoutubeIE()
 		metacafe_ie = MetacafeIE(youtube_ie)
 		youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
+		youtube_user_ie = YoutubeUserIE(youtube_ie)
 		youtube_search_ie = YoutubeSearchIE(youtube_ie)
 
 		# File downloader
@@ -1134,18 +1320,31 @@ if __name__ == '__main__':
 			'forcetitle': opts.gettitle,
 			'simulate': (opts.simulate or opts.geturl or opts.gettitle),
 			'format': opts.format,
-			'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(locale.getpreferredencoding()))
+			'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
 				or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
 				or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
 				or u'%(id)s.%(ext)s'),
 			'ignoreerrors': opts.ignoreerrors,
 			'ratelimit': opts.ratelimit,
 			'nooverwrites': opts.nooverwrites,
+			'continuedl': opts.continue_dl,
 			})
 		fd.add_info_extractor(youtube_search_ie)
 		fd.add_info_extractor(youtube_pl_ie)
+		fd.add_info_extractor(youtube_user_ie)
 		fd.add_info_extractor(metacafe_ie)
 		fd.add_info_extractor(youtube_ie)
+
+		# Update version
+		if opts.update_self:
+			update_self(fd, sys.argv[0])
+
+		# Maybe do nothing
+		if len(all_urls) < 1:
+			if not opts.update_self:
+				parser.error(u'you must provide at least one URL')
+			else:
+				sys.exit()
 		retcode = fd.download(all_urls)
 		sys.exit(retcode)