transplant 2934c2ce43412be2fbb28ee5fa8d6cd227203036 and afbaa80b8bb31b8949987c8a6a8e7...
[youtube-dl.git] / youtube_dl / __init__.py
index b22f1ca..a1871ca 100755 (executable)
@@ -18,12 +18,14 @@ __authors__  = (
        )
 
 __license__ = 'Public Domain'
-__version__ = '2012.01.08'
+__version__ = '2012.02.27'
 
 UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl'
 
+
 import cookielib
 import datetime
+import getpass
 import gzip
 import htmlentitydefs
 import HTMLParser
@@ -31,9 +33,11 @@ import httplib
 import locale
 import math
 import netrc
+import optparse
 import os
 import os.path
 import re
+import shlex
 import socket
 import string
 import subprocess
@@ -305,7 +309,14 @@ def _encodeFilename(s):
        """
 
        assert type(s) == type(u'')
-       return s.encode(sys.getfilesystemencoding(), 'ignore')
+
+       if sys.platform == 'win32' and sys.getwindowsversion().major >= 5:
+               # Pass u'' directly to use Unicode APIs on Windows 2000 and up
+               # (Detecting Windows NT 4 is tricky because 'major >= 4' would
+               # match Windows 9x series as well. Besides, NT 4 is obsolete.)
+               return s
+       else:
+               return s.encode(sys.getfilesystemencoding(), 'ignore')
 
 class DownloadError(Exception):
        """Download Error exception.
@@ -889,7 +900,15 @@ class FileDownloader(object):
                # the connection was interrumpted and resuming appears to be
                # possible. This is part of rtmpdump's normal usage, AFAIK.
                basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', tmpfilename]
-               retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)])
+               args = basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)]
+               if self.params.get('verbose', False):
+                       try:
+                               import pipes
+                               shell_quote = lambda args: ' '.join(map(pipes.quote, args))
+                       except ImportError:
+                               shell_quote = repr
+                       self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(args))
+               retval = subprocess.call(args)
                while retval == 2 or retval == 1:
                        prevsize = os.path.getsize(_encodeFilename(tmpfilename))
                        self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
@@ -1362,10 +1381,9 @@ class YoutubeIE(InfoExtractor):
                        lxml.etree
                except NameError:
                        video_description = u'No description available.'
-                       if self._downloader.params.get('forcedescription', False) or self._downloader.params.get('writedescription', False):
-                               mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
-                               if mobj is not None:
-                                       video_description = mobj.group(1).decode('utf-8')
+                       mobj = re.search(r'<meta name="description" content="(.*?)">', video_webpage)
+                       if mobj is not None:
+                               video_description = mobj.group(1).decode('utf-8')
                else:
                        html_parser = lxml.etree.HTMLParser(encoding='utf-8')
                        vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser)
@@ -2040,7 +2058,7 @@ class VimeoIE(InfoExtractor):
                video_id = mobj.group(1)
 
                # Retrieve video webpage to extract further information
-               request = urllib2.Request("http://vimeo.com/moogaloop/load/clip:%s" % video_id, None, std_headers)
+               request = urllib2.Request(url, None, std_headers)
                try:
                        self.report_download_webpage(video_id)
                        webpage = urllib2.urlopen(request).read()
@@ -2053,77 +2071,75 @@ class VimeoIE(InfoExtractor):
                # and latter we extract those that are Vimeo specific.
                self.report_extraction(video_id)
 
-               # Extract title
-               mobj = re.search(r'<caption>(.*?)</caption>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video title')
+               # Extract the config JSON
+               config = webpage.split(' = {config:')[1].split(',assets:')[0]
+               try:
+                       config = json.loads(config)
+               except:
+                       self._downloader.trouble(u'ERROR: unable to extract info section')
                        return
-               video_title = mobj.group(1).decode('utf-8')
+               
+               # Extract title
+               video_title = config["video"]["title"]
                simple_title = _simplify_title(video_title)
 
                # Extract uploader
-               mobj = re.search(r'<uploader_url>http://vimeo.com/(.*?)</uploader_url>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video uploader')
-                       return
-               video_uploader = mobj.group(1).decode('utf-8')
+               video_uploader = config["video"]["owner"]["name"]
 
                # Extract video thumbnail
-               mobj = re.search(r'<thumbnail>(.*?)</thumbnail>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video thumbnail')
-                       return
-               video_thumbnail = mobj.group(1).decode('utf-8')
-
-               # # Extract video description
-               # mobj = re.search(r'<meta property="og:description" content="(.*)" />', webpage)
-               # if mobj is None:
-               #       self._downloader.trouble(u'ERROR: unable to extract video description')
-               #       return
-               # video_description = mobj.group(1).decode('utf-8')
-               # if not video_description: video_description = 'No description available.'
-               video_description = 'Foo.'
-
-               # Vimeo specific: extract request signature
-               mobj = re.search(r'<request_signature>(.*?)</request_signature>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract request signature')
-                       return
-               sig = mobj.group(1).decode('utf-8')
-
-               # Vimeo specific: extract video quality information
-               mobj = re.search(r'<isHD>(\d+)</isHD>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract video quality information')
-                       return
-               quality = mobj.group(1).decode('utf-8')
+               video_thumbnail = config["video"]["thumbnail"]
 
-               if int(quality) == 1:
-                       quality = 'hd'
+               # Extract video description
+               try:
+                       lxml.etree
+               except NameError:
+                       video_description = u'No description available.'
+                       mobj = re.search(r'<meta name="description" content="(.*?)" />', webpage, re.MULTILINE)
+                       if mobj is not None:
+                               video_description = mobj.group(1)
                else:
-                       quality = 'sd'
+                       html_parser = lxml.etree.HTMLParser()
+                       vwebpage_doc = lxml.etree.parse(StringIO.StringIO(webpage), html_parser)
+                       video_description = u''.join(vwebpage_doc.xpath('id("description")//text()')).strip()
+                       # TODO use another parser
 
-               # Vimeo specific: Extract request signature expiration
-               mobj = re.search(r'<request_signature_expires>(.*?)</request_signature_expires>', webpage)
-               if mobj is None:
-                       self._downloader.trouble(u'ERROR: unable to extract request signature expiration')
+               # Extract upload date
+               video_upload_date = u'NA'
+               mobj = re.search(r'<span id="clip-date" style="display:none">[^:]*: (.*?)( \([^\(]*\))?</span>', webpage)
+               if mobj is not None:
+                       video_upload_date = mobj.group(1)
+
+               # Vimeo specific: extract request signature and timestamp
+               sig = config['request']['signature']
+               timestamp = config['request']['timestamp']
+
+               # Vimeo specific: extract video codec and quality information
+               # TODO bind to format param
+               codecs = [('h264', 'mp4'), ('vp8', 'flv'), ('vp6', 'flv')]
+               for codec in codecs:
+                       if codec[0] in config["video"]["files"]:
+                               video_codec = codec[0]
+                               video_extension = codec[1]
+                               if 'hd' in config["video"]["files"][codec[0]]: quality = 'hd'
+                               else: quality = 'sd'
+                               break
+               else:
+                       self._downloader.trouble(u'ERROR: no known codec found')
                        return
-               sig_exp = mobj.group(1).decode('utf-8')
 
-               video_url = "http://vimeo.com/moogaloop/play/clip:%s/%s/%s/?q=%s" % (video_id, sig, sig_exp, quality)
+               video_url = "http://player.vimeo.com/play_redirect?clip_id=%s&sig=%s&time=%s&quality=%s&codecs=%s&type=moogaloop_local&embed_location=" \
+                                       %(video_id, sig, timestamp, quality, video_codec.upper())
 
                try:
                        # Process video information
                        self._downloader.process_info({
-                               'id':           video_id.decode('utf-8'),
+                               'id':           video_id,
                                'url':          video_url,
                                'uploader':     video_uploader,
-                               'upload_date':  u'NA',
+                               'upload_date':  video_upload_date,
                                'title':        video_title,
                                'stitle':       simple_title,
-                               'ext':          u'mp4',
-                               'thumbnail':    video_thumbnail.decode('utf-8'),
-                               'description':  video_description,
+                               'ext':          video_extension,
                                'thumbnail':    video_thumbnail,
                                'description':  video_description,
                                'player_url':   None,
@@ -2232,9 +2248,7 @@ class GenericIE(InfoExtractor):
 class YoutubeSearchIE(InfoExtractor):
        """Information Extractor for YouTube search queries."""
        _VALID_URL = 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'(?m)>\s*Next\s*</a>'
+       _API_URL = 'https://gdata.youtube.com/feeds/api/videos?q=%s&start-index=%i&max-results=50&v=2&alt=jsonc'
        _youtube_ie = None
        _max_youtube_results = 1000
        IE_NAME = u'youtube:search'
@@ -2285,45 +2299,39 @@ class YoutubeSearchIE(InfoExtractor):
                """Downloads a specified number of results for a query"""
 
                video_ids = []
-               already_seen = set()
-               pagenum = 1
+               pagenum = 0
+               limit = n
 
-               while True:
-                       self.report_download_page(query, pagenum)
-                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+               while (50 * pagenum) < limit:
+                       self.report_download_page(query, pagenum+1)
+                       result_url = self._API_URL % (urllib.quote_plus(query), (50*pagenum)+1)
                        request = urllib2.Request(result_url)
                        try:
-                               page = urllib2.urlopen(request).read()
+                               data = urllib2.urlopen(request).read()
                        except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                               self._downloader.trouble(u'ERROR: unable to download webpage: %s' % str(err))
+                               self._downloader.trouble(u'ERROR: unable to download API page: %s' % str(err))
                                return
+                       api_response = json.loads(data)['data']
 
-                       # 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
-                                               for id in video_ids:
-                                                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
-                                               return
+                       new_ids = list(video['id'] for video in api_response['items'])
+                       video_ids += new_ids
 
-                       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
+                       limit = min(n, api_response['totalItems'])
+                       pagenum += 1
 
-                       pagenum = pagenum + 1
+               if len(video_ids) > n:
+                       video_ids = video_ids[:n]
+               for id in video_ids:
+                       self._youtube_ie.extract('http://www.youtube.com/watch?v=%s' % id)
+               return
 
 
 class GoogleSearchIE(InfoExtractor):
        """Information Extractor for Google Video search queries."""
        _VALID_URL = r'gvsearch(\d+|all)?:[\s\S]+'
        _TEMPLATE_URL = 'http://video.google.com/videosearch?q=%s+site:video.google.com&start=%s&hl=en'
-       _VIDEO_INDICATOR = r'videoplay\?docid=([^\&>]+)\&'
-       _MORE_PAGES_INDICATOR = r'<span>Next</span>'
+       _VIDEO_INDICATOR = r'<a href="http://video\.google\.com/videoplay\?docid=([^"\&]+)'
+       _MORE_PAGES_INDICATOR = r'class="pn" id="pnnext"'
        _google_ie = None
        _max_google_results = 1000
        IE_NAME = u'video.google:search'
@@ -2374,12 +2382,11 @@ class GoogleSearchIE(InfoExtractor):
                """Downloads a specified number of results for a query"""
 
                video_ids = []
-               already_seen = set()
-               pagenum = 1
+               pagenum = 0
 
                while True:
                        self.report_download_page(query, pagenum)
-                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
+                       result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum*10)
                        request = urllib2.Request(result_url)
                        try:
                                page = urllib2.urlopen(request).read()
@@ -2390,9 +2397,8 @@ class GoogleSearchIE(InfoExtractor):
                        # Extract video identifiers
                        for mobj in re.finditer(self._VIDEO_INDICATOR, page):
                                video_id = mobj.group(1)
-                               if video_id not in already_seen:
+                               if video_id not in video_ids:
                                        video_ids.append(video_id)
-                                       already_seen.add(video_id)
                                        if len(video_ids) == n:
                                                # Specified n videos reached
                                                for id in video_ids:
@@ -2652,7 +2658,7 @@ class YoutubeUserIE(InfoExtractor):
                else:
                        video_ids = video_ids[playliststart:playlistend]
 
-               self._downloader.to_screen("[youtube] user %s: Collected %d video ids (downloading %d of them)" %
+               self._downloader.to_screen(u"[youtube] user %s: Collected %d video ids (downloading %d of them)" %
                                (username, all_ids_count, len(video_ids)))
 
                for video_id in video_ids:
@@ -4170,7 +4176,7 @@ def updateSelf(downloader, filename):
        if not os.access(filename, os.W_OK):
                sys.exit('ERROR: no write permissions on %s' % filename)
 
-       downloader.to_screen('Updating to latest version...')
+       downloader.to_screen(u'Updating to latest version...')
 
        try:
                try:
@@ -4179,7 +4185,7 @@ def updateSelf(downloader, filename):
                        
                        vmatch = re.search("__version__ = '([^']+)'", newcontent)
                        if vmatch is not None and vmatch.group(1) == __version__:
-                               downloader.to_screen('youtube-dl is up-to-date (' + __version__ + ')')
+                               downloader.to_screen(u'youtube-dl is up-to-date (' + __version__ + ')')
                                return
                finally:
                        urlh.close()
@@ -4195,14 +4201,9 @@ def updateSelf(downloader, filename):
        except (IOError, OSError), err:
                sys.exit('ERROR: unable to overwrite current version')
 
-       downloader.to_screen('Updated youtube-dl. Restart youtube-dl to use the new version.')
+       downloader.to_screen(u'Updated youtube-dl. Restart youtube-dl to use the new version.')
 
 def parseOpts():
-       # Deferred imports
-       import getpass
-       import optparse
-       import shlex
-
        def _readOptions(filename_bytes):
                try:
                        optionf = open(filename_bytes)
@@ -4344,6 +4345,8 @@ def parseOpts():
        verbosity.add_option('--console-title',
                        action='store_true', dest='consoletitle',
                        help='display progress in console titlebar', default=False)
+       verbosity.add_option('-v', '--verbose',
+                       action='store_true', dest='verbose', help='print various debugging information', default=False)
 
 
        filesystem.add_option('-t', '--title',
@@ -4360,7 +4363,7 @@ def parseOpts():
        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)
+                       action='store_true', dest='continue_dl', help='resume partially downloaded files', default=True)
        filesystem.add_option('--no-continue',
                        action='store_false', dest='continue_dl',
                        help='do not resume partially downloaded files (restart from beginning)')
@@ -4480,10 +4483,14 @@ def _real_main():
 
        # General configuration
        cookie_processor = urllib2.HTTPCookieProcessor(jar)
-       opener = urllib2.build_opener(urllib2.ProxyHandler(), cookie_processor, YoutubeDLHandler())
+       proxy_handler = urllib2.ProxyHandler()
+       opener = urllib2.build_opener(proxy_handler, cookie_processor, YoutubeDLHandler())
        urllib2.install_opener(opener)
        socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
 
+       if opts.verbose:
+               print(u'[debug] Proxy map: ' + str(proxy_handler.proxies))
+
        extractors = gen_extractors()
 
        if opts.list_extractors:
@@ -4577,6 +4584,7 @@ def _real_main():
                'rejecttitle': opts.rejecttitle,
                'max_downloads': opts.max_downloads,
                'prefer_free_formats': opts.prefer_free_formats,
+               'verbose': opts.verbose,
                })
        for extractor in extractors:
                fd.add_info_extractor(extractor)