Fix stty detection
[youtube-dl.git] / youtube-dl
index d093e25..3d43355 100755 (executable)
@@ -2,22 +2,20 @@
 # -*- coding: utf-8 -*-
 
 __author__  = (
-       "Ricardo Garcia Gonzalez",
-       "Danny Colligan",
-       "Benjamin Johnson",
-       "Vasyl' Vavrychuk",
-       "Witold Baryluk",
-       "PaweÅ‚ Paprota",
-       "Gergely Imreh",
+       'Ricardo Garcia Gonzalez',
+       'Danny Colligan',
+       'Benjamin Johnson',
+       'Vasyl\' Vavrychuk',
+       'Witold Baryluk',
+       'PaweÅ‚ Paprota',
+       'Gergely Imreh',
        )
 
-__license__ = "Public Domain"
-__version__ = '2011.08.04'
+__license__ = 'Public Domain'
+__version__ = '2011.08.24-phihag'
 
 import cookielib
-import ctypes
 import datetime
-import email.utils
 import gzip
 import htmlentitydefs
 import httplib
@@ -29,20 +27,37 @@ import os.path
 import re
 import socket
 import string
-import StringIO
 import subprocess
 import sys
 import time
 import urllib
 import urllib2
+import warnings
 import zlib
 
+if os.name == 'nt':
+       import ctypes
+
+try:
+       import email.utils
+except ImportError: # Python 2.4
+       import email.Utils
+try:
+       import cStringIO as StringIO
+except ImportError:
+       import StringIO
+
 # parse_qs was moved from the cgi module to the urlparse module recently.
 try:
        from urlparse import parse_qs
 except ImportError:
        from cgi import parse_qs
 
+try:
+       import lxml.etree
+except ImportError:
+       pass # Handled below
+
 std_headers = {
        'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:5.0.1) Gecko/20100101 Firefox/5.0.1',
        'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
@@ -53,6 +68,119 @@ std_headers = {
 
 simple_title_chars = string.ascii_letters.decode('ascii') + string.digits.decode('ascii')
 
+try:
+       import json
+except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson):
+       import re
+       class json(object):
+               @staticmethod
+               def loads(s):
+                       s = s.decode('UTF-8')
+                       def raiseError(msg, i):
+                               raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]))
+                       def skipSpace(i, expectMore=True):
+                               while i < len(s) and s[i] in ' \t\r\n':
+                                       i += 1
+                               if expectMore:
+                                       if i >= len(s):
+                                               raiseError('Premature end', i)
+                               return i
+                       def decodeEscape(match):
+                               esc = match.group(1)
+                               _STATIC = {
+                                       '"': '"',
+                                       '\\': '\\',
+                                       '/': '/',
+                                       'b': unichr(0x8),
+                                       'f': unichr(0xc),
+                                       'n': '\n',
+                                       'r': '\r',
+                                       't': '\t',
+                               }
+                               if esc in _STATIC:
+                                       return _STATIC[esc]
+                               if esc[0] == 'u':
+                                       if len(esc) == 1+4:
+                                               return unichr(int(esc[1:5], 16))
+                                       if len(esc) == 5+6 and esc[5:7] == '\\u':
+                                               hi = int(esc[1:5], 16)
+                                               low = int(esc[7:11], 16)
+                                               return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000)
+                               raise ValueError('Unknown escape ' + str(esc))
+                       def parseString(i):
+                               i += 1
+                               e = i
+                               while True:
+                                       e = s.index('"', e)
+                                       bslashes = 0
+                                       while s[e-bslashes-1] == '\\':
+                                               bslashes += 1
+                                       if bslashes % 2 == 1:
+                                               e += 1
+                                               continue
+                                       break
+                               rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)')
+                               stri = rexp.sub(decodeEscape, s[i:e])
+                               return (e+1,stri)
+                       def parseObj(i):
+                               i += 1
+                               res = {}
+                               i = skipSpace(i)
+                               if s[i] == '}': # Empty dictionary
+                                       return (i+1,res)
+                               while True:
+                                       if s[i] != '"':
+                                               raiseError('Expected a string object key', i)
+                                       i,key = parseString(i)
+                                       i = skipSpace(i)
+                                       if i >= len(s) or s[i] != ':':
+                                               raiseError('Expected a colon', i)
+                                       i,val = parse(i+1)
+                                       res[key] = val
+                                       i = skipSpace(i)
+                                       if s[i] == '}':
+                                               return (i+1, res)
+                                       if s[i] != ',':
+                                               raiseError('Expected comma or closing curly brace', i)
+                                       i = skipSpace(i+1)
+                       def parseArray(i):
+                               res = []
+                               i = skipSpace(i+1)
+                               if s[i] == ']': # Empty array
+                                       return (i+1,res)
+                               while True:
+                                       i,val = parse(i)
+                                       res.append(val)
+                                       i = skipSpace(i) # Raise exception if premature end
+                                       if s[i] == ']':
+                                               return (i+1, res)
+                                       if s[i] != ',':
+                                               raiseError('Expected a comma or closing bracket', i)
+                                       i = skipSpace(i+1)
+                       def parseDiscrete(i):
+                               for k,v in {'true': True, 'false': False, 'null': None}.items():
+                                       if s.startswith(k, i):
+                                               return (i+len(k), v)
+                               raiseError('Not a boolean (or null)', i)
+                       def parseNumber(i):
+                               mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:])
+                               if mobj is None:
+                                       raiseError('Not a number', i)
+                               nums = mobj.group(1)
+                               if '.' in nums or 'e' in nums or 'E' in nums:
+                                       return (i+len(nums), float(nums))
+                               return (i+len(nums), int(nums))
+                       CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete}
+                       def parse(i):
+                               i = skipSpace(i)
+                               i,res = CHARMAP.get(s[i], parseNumber)(i)
+                               i = skipSpace(i, False)
+                               return (i,res)
+                       i,res = parse(0)
+                       if i < len(s):
+                               raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')')
+                       return res
+
 def preferredencoding():
        """Get preferred encoding.
 
@@ -292,6 +420,8 @@ class FileDownloader(object):
        consoletitle:     Display progress in console window's titlebar.
        nopart:           Do not use temporary .part files.
        updatetime:       Use the Last-modified header to set output file timestamps.
+       writedescription: Write the video description to a .description file
+       writeinfojson:    Write the video description to a .info.json file
        """
 
        params = None
@@ -487,6 +617,14 @@ class FileDownloader(object):
                except:
                        pass
 
+       def report_writedescription(self, descfn):
+               """ Report that the description file is being written """
+               self.to_screen(u'[info] Writing video description to: %s' % descfn, ignore_encoding_errors=True)
+
+       def report_writeinfojson(self, infofn):
+               """ Report that the metadata file has been written """
+               self.to_screen(u'[info] Video description metadata as JSON to: %s' % infofn, ignore_encoding_errors=True)
+
        def report_destination(self, filename):
                """Report destination filename."""
                self.to_screen(u'[download] Destination: %s' % filename, ignore_encoding_errors=True)
@@ -573,6 +711,37 @@ class FileDownloader(object):
                        self.trouble(u'ERROR: unable to create directories: %s' % str(err))
                        return
 
+               if self.params.get('writedescription', False):
+                       try:
+                               descfn = filename + '.description'
+                               self.report_writedescription(descfn)
+                               descfile = open(descfn, 'wb')
+                               try:
+                                       descfile.write(info_dict['description'].encode('utf-8'))
+                               finally:
+                                       descfile.close()
+                       except (OSError, IOError):
+                               self.trouble(u'ERROR: Cannot write description file: %s' % str(descfn))
+                               return
+
+               if self.params.get('writeinfojson', False):
+                       infofn = filename + '.info.json'
+                       self.report_writeinfojson(infofn)
+                       try:
+                               json.dump
+                       except (NameError,AttributeError):
+                               self.trouble(u'ERROR: No JSON encoder found. Update to Python 2.6+, setup a json module, or leave out --write-info-json.')
+                               return
+                       try:
+                               infof = open(infofn, 'wb')
+                               try:
+                                       json.dump(info_dict, infof)
+                               finally:
+                                       infof.close()
+                       except (OSError, IOError):
+                               self.trouble(u'ERROR: Cannot write metadata to JSON file: %s' % str(infofn))
+                               return
+
                try:
                        success = self._do_download(filename, info_dict['url'].encode('utf-8'), info_dict.get('player_url', None))
                except (OSError, IOError), err:
@@ -864,7 +1033,7 @@ class InfoExtractor(object):
 class YoutubeIE(InfoExtractor):
        """Information extractor for youtube.com."""
 
-       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=)))?([0-9A-Za-z_-]+)(?(1).+)?$'
+       _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))?)?([0-9A-Za-z_-]+)(?(1).+)?$'
        _LANG_URL = r'http://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1'
        _LOGIN_URL = 'https://www.youtube.com/signup?next=/&gl=US&hl=en'
        _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en'
@@ -1073,11 +1242,19 @@ class YoutubeIE(InfoExtractor):
                                        pass
 
                # description
-               video_description = 'No description available.'
-               if self._downloader.params.get('forcedescription', False):
-                       mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
-                       if mobj is not None:
-                               video_description = mobj.group(1)
+               try:
+                       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')
+               else:
+                       html_parser = lxml.etree.HTMLParser(encoding='utf-8')
+                       vwebpage_doc = lxml.etree.parse(StringIO.StringIO(video_webpage), html_parser)
+                       video_description = u''.join(vwebpage_doc.xpath('id("eow-description")//text()'))
+                       # TODO use another parser
 
                # token
                video_token = urllib.unquote_plus(video_info['token'][0])
@@ -1085,10 +1262,15 @@ class YoutubeIE(InfoExtractor):
                # Decide which formats to download
                req_format = self._downloader.params.get('format', None)
 
-               if 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
+               if 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
+                       self.report_rtmp_download()
+                       video_url_list = [(None, video_info['conn'][0])]
+               elif 'url_encoded_fmt_stream_map' in video_info and len(video_info['url_encoded_fmt_stream_map']) >= 1:
                        url_data_strs = video_info['url_encoded_fmt_stream_map'][0].split(',')
-                       url_data = [dict(pairStr.split('=') for pairStr in uds.split('&')) for uds in url_data_strs]
-                       url_map = dict((ud['itag'], urllib.unquote(ud['url'])) for ud in url_data)
+                       url_data = [parse_qs(uds) for uds in url_data_strs]
+                       url_data = filter(lambda ud: 'itag' in ud and 'url' in ud, url_data)
+                       url_map = dict((ud['itag'][0], ud['url'][0]) for ud in url_data)
+
                        format_limit = self._downloader.params.get('format_limit', None)
                        if format_limit is not None and format_limit in self._available_formats:
                                format_list = self._available_formats[self._available_formats.index(format_limit):]
@@ -1108,13 +1290,8 @@ class YoutubeIE(InfoExtractor):
                                        self._downloader.trouble(u'ERROR: requested format not available')
                                        return
                                video_url_list = [(req_format, url_map[req_format])] # Specific format
-
-               elif 'conn' in video_info and video_info['conn'][0].startswith('rtmp'):
-                       self.report_rtmp_download()
-                       video_url_list = [(None, video_info['conn'][0])]
-
                else:
-                       self._downloader.trouble(u'ERROR: no fmt_url_map or conn information found in video info')
+                       self._downloader.trouble(u'ERROR: no conn or url_encoded_fmt_stream_map information found in video info')
                        return
 
                for format_param, video_real_url in video_url_list:
@@ -1124,7 +1301,6 @@ class YoutubeIE(InfoExtractor):
                        # Extension
                        video_extension = self._video_extensions.get(format_param, 'flv')
 
-                       # Find the video URL in fmt_url_map or conn paramters
                        try:
                                # Process video information
                                self._downloader.process_info({
@@ -1137,7 +1313,7 @@ class YoutubeIE(InfoExtractor):
                                        'ext':          video_extension.decode('utf-8'),
                                        'format':       (format_param is None and u'NA' or format_param.decode('utf-8')),
                                        'thumbnail':    video_thumbnail.decode('utf-8'),
-                                       'description':  video_description.decode('utf-8'),
+                                       'description':  video_description,
                                        'player_url':   player_url,
                                })
                        except UnavailableVideoError, err:
@@ -2514,10 +2690,7 @@ class FacebookIE(InfoExtractor):
                                        pass
 
                # description
-               video_description = 'No description available.'
-               if (self._downloader.params.get('forcedescription', False) and
-                       'description' in video_info):
-                       video_description = video_info['description']
+               video_description = video_info.get('description', 'No description available.')
 
                url_map = video_info['video_urls']
                if len(url_map.keys()) > 0:
@@ -2552,7 +2725,6 @@ class FacebookIE(InfoExtractor):
                        # Extension
                        video_extension = self._video_extensions.get(format_param, 'mp4')
 
-                       # Find the video URL in fmt_url_map or conn paramters
                        try:
                                # Process video information
                                self._downloader.process_info({
@@ -2571,6 +2743,82 @@ 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_extraction(self, file_id):
+               """Report information extraction."""
+               self._downloader.to_screen(u'[blip.tv] %s: Extracting information' % file_id)
+
+       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
+
+               if '?' in url:
+                       cchar = '&'
+               else:
+                       cchar = '?'
+               json_url = url + cchar + 'skin=json&version=2&no_wrap=1'
+               request = urllib2.Request(json_url)
+               self.report_extraction(mobj.group(1))
+               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)
+                       if 'Post' in json_data:
+                               data = json_data['Post']
+                       else:
+                               data = json_data
+
+                       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)
+
+                       self._downloader.increment_downloads()
+
+                       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' % repr(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.
 
@@ -2725,7 +2973,6 @@ def updateSelf(downloader, filename):
 
        downloader.to_screen('Updated to version %s' % latest_version)
 
-
 def parseOpts():
        # Deferred imports
        import getpass
@@ -2744,13 +2991,33 @@ def parseOpts():
 
                return "".join(opts)
 
-       fmt = optparse.IndentedHelpFormatter()
+       def _find_term_columns():
+               columns = os.environ.get('COLUMNS', None)
+               if columns:
+                       return int(columns)
+
+               try:
+                       sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                       out,err = sp.communicate()
+                       return int(out.split()[1])
+               except:
+                       pass
+               return None
+
+       max_width = 80
+       max_help_position = 80
+
+       # No need to wrap help messages if we're on a wide console
+       columns = _find_term_columns()
+       if columns: max_width = columns
+
+       fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
        fmt.format_option_strings = _format_option_string
 
        kw = {
                'version'   : __version__,
                'formatter' : fmt,
-               'usage' : 'Usage : %prog [options] url...',
+               'usage' : '%prog [options] url...',
                'conflict_handler' : 'resolve',
        }
 
@@ -2846,6 +3113,12 @@ def parseOpts():
        filesystem.add_option('--no-mtime',
                        action='store_false', dest='updatetime',
                        help='do not use the Last-modified header to set the file modification time', default=True)
+       filesystem.add_option('--write-description',
+                       action='store_true', dest='writedescription',
+                       help='write video description to a .description file', default=False)
+       filesystem.add_option('--write-info-json',
+                       action='store_true', dest='writeinfojson',
+                       help='write video metadata to a .info.json file', default=False)
 
 
        postproc.add_option('--extract-audio', action='store_true', dest='extractaudio', default=False,
@@ -2865,180 +3138,186 @@ def parseOpts():
 
        return parser, opts, args
 
+def main():
+       parser, opts, args = parseOpts()
 
-if __name__ == '__main__':
-       try:
-               parser, opts, args = parseOpts()
-
-               # Open appropriate CookieJar
-               if opts.cookiefile is None:
-                       jar = cookielib.CookieJar()
-               else:
-                       try:
-                               jar = cookielib.MozillaCookieJar(opts.cookiefile)
-                               if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
-                                       jar.load()
-                       except (IOError, OSError), err:
-                               sys.exit(u'ERROR: unable to open cookie file')
+       # Open appropriate CookieJar
+       if opts.cookiefile is None:
+               jar = cookielib.CookieJar()
+       else:
+               try:
+                       jar = cookielib.MozillaCookieJar(opts.cookiefile)
+                       if os.path.isfile(opts.cookiefile) and os.access(opts.cookiefile, os.R_OK):
+                               jar.load()
+               except (IOError, OSError), err:
+                       sys.exit(u'ERROR: unable to open cookie file')
 
-               # Dump user agent
-               if opts.dump_user_agent:
-                       print std_headers['User-Agent']
-                       sys.exit(0)
+       # Dump user agent
+       if opts.dump_user_agent:
+               print std_headers['User-Agent']
+               sys.exit(0)
 
-               # General configuration
-               cookie_processor = urllib2.HTTPCookieProcessor(jar)
-               urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler(), cookie_processor, YoutubeDLHandler()))
-               socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
+       # General configuration
+       cookie_processor = urllib2.HTTPCookieProcessor(jar)
+       urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler(), cookie_processor, YoutubeDLHandler()))
+       socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
 
-               # Batch file verification
-               batchurls = []
-               if opts.batchfile is not None:
-                       try:
-                               if opts.batchfile == '-':
-                                       batchfd = sys.stdin
-                               else:
-                                       batchfd = open(opts.batchfile, 'r')
-                               batchurls = batchfd.readlines()
-                               batchurls = [x.strip() for x in batchurls]
-                               batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
-                       except IOError:
-                               sys.exit(u'ERROR: batch file could not be read')
-               all_urls = batchurls + args
-
-               # Conflicting, missing and erroneous options
-               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:
-                       parser.error(u'account username missing')
-               if opts.outtmpl is not None and (opts.useliteral or opts.usetitle or opts.autonumber):
-                       parser.error(u'using output template conflicts with using title, literal title or auto number')
-               if opts.usetitle and opts.useliteral:
-                       parser.error(u'using title conflicts with using literal title')
-               if opts.username is not None and opts.password is None:
-                       opts.password = getpass.getpass(u'Type account password and press return:')
-               if opts.ratelimit is not None:
-                       numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
-                       if numeric_limit is None:
-                               parser.error(u'invalid rate limit specified')
-                       opts.ratelimit = numeric_limit
-               if opts.retries is not None:
-                       try:
-                               opts.retries = long(opts.retries)
-                       except (TypeError, ValueError), err:
-                               parser.error(u'invalid retry count specified')
+       # Batch file verification
+       batchurls = []
+       if opts.batchfile is not None:
                try:
-                       opts.playliststart = long(opts.playliststart)
-                       if opts.playliststart <= 0:
-                               raise ValueError
-               except (TypeError, ValueError), err:
-                       parser.error(u'invalid playlist start number specified')
+                       if opts.batchfile == '-':
+                               batchfd = sys.stdin
+                       else:
+                               batchfd = open(opts.batchfile, 'r')
+                       batchurls = batchfd.readlines()
+                       batchurls = [x.strip() for x in batchurls]
+                       batchurls = [x for x in batchurls if len(x) > 0 and not re.search(r'^[#/;]', x)]
+               except IOError:
+                       sys.exit(u'ERROR: batch file could not be read')
+       all_urls = batchurls + args
+
+       # Conflicting, missing and erroneous options
+       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:
+               parser.error(u'account username missing')
+       if opts.outtmpl is not None and (opts.useliteral or opts.usetitle or opts.autonumber):
+               parser.error(u'using output template conflicts with using title, literal title or auto number')
+       if opts.usetitle and opts.useliteral:
+               parser.error(u'using title conflicts with using literal title')
+       if opts.username is not None and opts.password is None:
+               opts.password = getpass.getpass(u'Type account password and press return:')
+       if opts.ratelimit is not None:
+               numeric_limit = FileDownloader.parse_bytes(opts.ratelimit)
+               if numeric_limit is None:
+                       parser.error(u'invalid rate limit specified')
+               opts.ratelimit = numeric_limit
+       if opts.retries is not None:
                try:
-                       opts.playlistend = long(opts.playlistend)
-                       if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
-                               raise ValueError
+                       opts.retries = long(opts.retries)
                except (TypeError, ValueError), err:
-                       parser.error(u'invalid playlist end number specified')
-               if opts.extractaudio:
-                       if opts.audioformat not in ['best', 'aac', 'mp3']:
-                               parser.error(u'invalid audio format specified')
-
-               # Information extractors
-               youtube_ie = YoutubeIE()
-               metacafe_ie = MetacafeIE(youtube_ie)
-               dailymotion_ie = DailymotionIE()
-               youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
-               youtube_user_ie = YoutubeUserIE(youtube_ie)
-               youtube_search_ie = YoutubeSearchIE(youtube_ie)
-               google_ie = GoogleIE()
-               google_search_ie = GoogleSearchIE(google_ie)
-               photobucket_ie = PhotobucketIE()
-               yahoo_ie = YahooIE()
-               yahoo_search_ie = YahooSearchIE(yahoo_ie)
-               deposit_files_ie = DepositFilesIE()
-               facebook_ie = FacebookIE()
-               generic_ie = GenericIE()
-
-               # File downloader
-               fd = FileDownloader({
-                       'usenetrc': opts.usenetrc,
-                       'username': opts.username,
-                       'password': opts.password,
-                       'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename),
-                       'forceurl': opts.geturl,
-                       'forcetitle': opts.gettitle,
-                       'forcethumbnail': opts.getthumbnail,
-                       'forcedescription': opts.getdescription,
-                       'forcefilename': opts.getfilename,
-                       'simulate': (opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename),
-                       'format': opts.format,
-                       'format_limit': opts.format_limit,
-                       'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
-                               or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
-                               or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
-                               or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
-                               or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(stitle)s-%(id)s.%(ext)s')
-                               or (opts.useliteral and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
-                               or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
-                               or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
-                               or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
-                               or u'%(id)s.%(ext)s'),
-                       'ignoreerrors': opts.ignoreerrors,
-                       'ratelimit': opts.ratelimit,
-                       'nooverwrites': opts.nooverwrites,
-                       'retries': opts.retries,
-                       'continuedl': opts.continue_dl,
-                       'noprogress': opts.noprogress,
-                       'playliststart': opts.playliststart,
-                       'playlistend': opts.playlistend,
-                       'logtostderr': opts.outtmpl == '-',
-                       'consoletitle': opts.consoletitle,
-                       'nopart': opts.nopart,
-                       'updatetime': opts.updatetime,
-                       })
-               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(dailymotion_ie)
-               fd.add_info_extractor(youtube_ie)
-               fd.add_info_extractor(google_ie)
-               fd.add_info_extractor(google_search_ie)
-               fd.add_info_extractor(photobucket_ie)
-               fd.add_info_extractor(yahoo_ie)
-               fd.add_info_extractor(yahoo_search_ie)
-               fd.add_info_extractor(deposit_files_ie)
-               fd.add_info_extractor(facebook_ie)
-
-               # This must come last since it's the
-               # fallback if none of the others work
-               fd.add_info_extractor(generic_ie)
-
-               # PostProcessors
-               if opts.extractaudio:
-                       fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat))
-
-               # Update version
-               if opts.update_self:
-                       updateSelf(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)
+                       parser.error(u'invalid retry count specified')
+       try:
+               opts.playliststart = int(opts.playliststart)
+               if opts.playliststart <= 0:
+                       raise ValueError(u'Playlist start must be positive')
+       except (TypeError, ValueError), err:
+               parser.error(u'invalid playlist start number specified')
+       try:
+               opts.playlistend = int(opts.playlistend)
+               if opts.playlistend != -1 and (opts.playlistend <= 0 or opts.playlistend < opts.playliststart):
+                       raise ValueError(u'Playlist end must be greater than playlist start')
+       except (TypeError, ValueError), err:
+               parser.error(u'invalid playlist end number specified')
+       if opts.extractaudio:
+               if opts.audioformat not in ['best', 'aac', 'mp3']:
+                       parser.error(u'invalid audio format specified')
+
+       # Information extractors
+       youtube_ie = YoutubeIE()
+       metacafe_ie = MetacafeIE(youtube_ie)
+       dailymotion_ie = DailymotionIE()
+       youtube_pl_ie = YoutubePlaylistIE(youtube_ie)
+       youtube_user_ie = YoutubeUserIE(youtube_ie)
+       youtube_search_ie = YoutubeSearchIE(youtube_ie)
+       google_ie = GoogleIE()
+       google_search_ie = GoogleSearchIE(google_ie)
+       photobucket_ie = PhotobucketIE()
+       yahoo_ie = YahooIE()
+       yahoo_search_ie = YahooSearchIE(yahoo_ie)
+       deposit_files_ie = DepositFilesIE()
+       facebook_ie = FacebookIE()
+       bliptv_ie = BlipTVIE()
+       generic_ie = GenericIE()
+
+       # File downloader
+       fd = FileDownloader({
+               'usenetrc': opts.usenetrc,
+               'username': opts.username,
+               'password': opts.password,
+               'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename),
+               'forceurl': opts.geturl,
+               'forcetitle': opts.gettitle,
+               'forcethumbnail': opts.getthumbnail,
+               'forcedescription': opts.getdescription,
+               'forcefilename': opts.getfilename,
+               'simulate': (opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename),
+               'format': opts.format,
+               'format_limit': opts.format_limit,
+               'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))
+                       or (opts.format == '-1' and opts.usetitle and u'%(stitle)s-%(id)s-%(format)s.%(ext)s')
+                       or (opts.format == '-1' and opts.useliteral and u'%(title)s-%(id)s-%(format)s.%(ext)s')
+                       or (opts.format == '-1' and u'%(id)s-%(format)s.%(ext)s')
+                       or (opts.usetitle and opts.autonumber and u'%(autonumber)s-%(stitle)s-%(id)s.%(ext)s')
+                       or (opts.useliteral and opts.autonumber and u'%(autonumber)s-%(title)s-%(id)s.%(ext)s')
+                       or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
+                       or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
+                       or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
+                       or u'%(id)s.%(ext)s'),
+               'ignoreerrors': opts.ignoreerrors,
+               'ratelimit': opts.ratelimit,
+               'nooverwrites': opts.nooverwrites,
+               'retries': opts.retries,
+               'continuedl': opts.continue_dl,
+               'noprogress': opts.noprogress,
+               'playliststart': opts.playliststart,
+               'playlistend': opts.playlistend,
+               'logtostderr': opts.outtmpl == '-',
+               'consoletitle': opts.consoletitle,
+               'nopart': opts.nopart,
+               'updatetime': opts.updatetime,
+               'writedescription': opts.writedescription,
+               'writeinfojson': opts.writeinfojson,
+               })
+       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(dailymotion_ie)
+       fd.add_info_extractor(youtube_ie)
+       fd.add_info_extractor(google_ie)
+       fd.add_info_extractor(google_search_ie)
+       fd.add_info_extractor(photobucket_ie)
+       fd.add_info_extractor(yahoo_ie)
+       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
+       fd.add_info_extractor(generic_ie)
+
+       # PostProcessors
+       if opts.extractaudio:
+               fd.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat))
+
+       # Update version
+       if opts.update_self:
+               updateSelf(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)
 
-               # Dump cookie jar if requested
-               if opts.cookiefile is not None:
-                       try:
-                               jar.save()
-                       except (IOError, OSError), err:
-                               sys.exit(u'ERROR: unable to save cookie jar')
+       # Dump cookie jar if requested
+       if opts.cookiefile is not None:
+               try:
+                       jar.save()
+               except (IOError, OSError), err:
+                       sys.exit(u'ERROR: unable to save cookie jar')
 
-               sys.exit(retcode)
+       sys.exit(retcode)
 
+
+if __name__ == '__main__':
+       try:
+               main()
        except DownloadError:
                sys.exit(1)
        except SameFileError: