From b1e8c1f49aec204ae7b90abd71dead191d647c3c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rog=C3=A9rio=20Brito?= Date: Sat, 18 Jun 2011 02:16:40 -0300 Subject: [PATCH] Imported Upstream version 2006.08.28 --- youtube-dl | 246 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 246 insertions(+) create mode 100755 youtube-dl diff --git a/youtube-dl b/youtube-dl new file mode 100755 index 0000000..dbd40b7 --- /dev/null +++ b/youtube-dl @@ -0,0 +1,246 @@ +#!/usr/bin/env python +# +# Copyright (c) 2006 Ricardo Garcia Gonzalez +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# the rights to use, copy, modify, merge, publish, distribute, sublicense, +# and/or sell copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name(s) of the above copyright +# holders shall not be used in advertising or otherwise to promote the +# sale, use or other dealings in this Software without prior written +# authorization. +# +import sys +import optparse +import urllib2 +import re + +# Exit status constants +exit_failure = 1 +exit_success = 0 + +# Global constants +const_video_url_str = 'http://www.youtube.com/watch?v=%s' +const_video_url_re = re.compile(r'http://(?:www\.)?youtube\.com/(?:v/|(?:watch)?\?v=)([^&]+).*') +const_login_url_str = 'http://www.youtube.com/signup?next=/' +const_login_post_str = 'current_form=loginForm&next=%%2F&username=%s&password=%s&action_login=Log+In' +const_age_url_str = 'http://www.youtube.com/verify_age?next_url=/watch%%3Fv%%3D%s' +const_age_post_str = 'next_url=%%2Fwatch%%3Fv%%3D%s&action_confirm=Confirm' +const_video_url_params_re = re.compile(r'player2\.swf\?video_id=([^&]+)&.*t=([^&]+)&', re.M) +const_video_url_real_str = 'http://www.youtube.com/get_video?video_id=%s&t=%s' +const_1k = 1024 +const_block_size = 10 * const_1k + +# Print error message, followed by standard advice information, and then exit +def error_advice_exit(error_text): + global exit_failure + sys.stderr.write('Error: %s.\n' % error_text) + sys.stderr.write('Try again several times. It may be a temporal problem.\n') + sys.stderr.write('Other typical problems:\n\n') + sys.stderr.write('\tVideo no longer exists.\n') + sys.stderr.write('\tVideo requires age confirmation but you did not provide an account.\n') + sys.stderr.write('\tYou provided the account data, but it is not valid.\n') + sys.stderr.write('\tThe connection was cut suddenly for some reason.\n') + sys.stderr.write('\tYouTube changed their system, and the program no longer works.\n') + sys.stderr.write('\nTry to confirm you are able to view the video using a web browser.\n') + sys.stderr.write('Use the same video URL and account information, if needed, with this program.\n') + sys.stderr.write('Try again several times and contact me if the problem persists.\n') + sys.exit(exit_failure) + +# Wrapper to create custom requests with typical headers +def request_create(url, data=None): + retval = urllib2.Request(url) + if not data is None: + retval.add_data(data) + # Try to mimic Firefox, at least a little bit + retval.add_header('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.6) Gecko/20060728 Firefox/1.5.0.6') + retval.add_header('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7') + retval.add_header('Accept', 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5') + retval.add_header('Accept-Language', 'en-us,en;q=0.5') + return retval + +# Perform a request, process headers and return response +def perform_request(url, data=None): + request = request_create(url, data) + response = urllib2.urlopen(request) + return response + +# Convert bytes to KiB +def to_k(bytes): + global const_1k + return bytes / const_1k + +# Conditional print +def cond_print(str): + global cmdl_opts + if not cmdl_opts.quiet: + sys.stdout.write(str) + sys.stdout.flush() + +# Create the command line options parser and parse command line +cmdl_usage = 'usage: %prog [options] video_url' +cmdl_version = '2006.08.28' +cmdl_parser = optparse.OptionParser(usage=cmdl_usage, version=cmdl_version, conflict_handler='resolve') +cmdl_parser.add_option('-h', '--help', action='help', help='print this help text and exit') +cmdl_parser.add_option('-v', '--version', action='version', help='print program version and exit') +cmdl_parser.add_option('-u', '--username', dest='username', metavar='USERNAME', help='account username') +cmdl_parser.add_option('-p', '--password', dest='password', metavar='PASSWORD', help='account password') +cmdl_parser.add_option('-o', '--output', dest='outfile', metavar='FILE', help='output video file name') +cmdl_parser.add_option('-q', '--quiet', action='store_true', dest='quiet', help='activates quiet mode') +cmdl_parser.add_option('-s', '--simulate', action='store_true', dest='simulate', help='do not download video') +(cmdl_opts, cmdl_args) = cmdl_parser.parse_args() + +# Get video URL +if len(cmdl_args) != 1: + cmdl_parser.print_help() + sys.exit(exit_failure) +video_url_cmdl = cmdl_args[0] + +# Verify video URL format and convert to "standard" format +video_url_mo = const_video_url_re.match(video_url_cmdl) +if video_url_mo is None: + sys.exit('Error: URL does not seem to be a youtube video URL. If it is, report a bug.\n') +video_url_id = video_url_mo.group(1) +video_url = const_video_url_str % video_url_id + +# Check conflicting options +if not cmdl_opts.outfile is None and cmdl_opts.simulate: + sys.stderr.write('Warning: video file name given but will not be used.\n') + +# Get output file name +if cmdl_opts.outfile is None: + video_filename = '%s.flv' % video_url_id +else: + video_filename = cmdl_opts.outfile + +# Check name +if not video_filename.lower().endswith('.flv'): + sys.stderr.write('Warning: video file name does not end in .flv\n') + +# Verify both or none present +if ((cmdl_opts.username is None and not cmdl_opts.password is None) or + (not cmdl_opts.username is None and cmdl_opts.password is None)): + sys.exit('Error: both username and password must be given, or none.') + +# Test writable file +if not cmdl_opts.simulate: + try: + disk_test = open(video_filename, 'wb') + disk_test.close() + + except (OSError, IOError): + sys.exit('Error: unable to open %s for writing.' % video_filename) + +# Install cookie handler +urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor())) + +# Login and confirm age if needed +if not cmdl_opts.username is None: + try: + # Log in + cond_print('Logging in... ') + perform_request(const_login_url_str, const_login_post_str % (cmdl_opts.username, cmdl_opts.password)).read() + cond_print('done.\n') + + except (urllib2.URLError, ValueError): + cond_print('failed.\n') + error_advice_exit('unable to login') + + except KeyboardInterrupt: + sys.exit(exit_failure) + + try: + # Get age confirmation cookie + cond_print('Confirming age... ') + perform_request(const_age_url_str % video_url_id, const_age_post_str % video_url_id).read() + cond_print('done.\n') + + except (urllib2.URLError, ValueError): + cond_print('failed.\n') + error_advice_exit('unable to confirm age') + + except KeyboardInterrupt: + sys.exit(exit_failure) + +# Retrieve video webpage +try: + cond_print('Retrieving video webpage... ') + video_webpage = perform_request(video_url).read() + +except (urllib2.URLError, ValueError): + cond_print('failed.\n') + error_advice_exit('unable to download video webpage') + +except KeyboardInterrupt: + sys.exit(exit_failure) + +cond_print('done.\n') + +# Extract needed video URL parameters +try: + cond_print('Extracting video URL parameters... ') + video_url_params_mo = const_video_url_params_re.search(video_webpage) + + if video_url_params_mo is None: + cond_print('failed.\n') + error_advice_exit('unable to extract URL parameters') + + video_real_id = video_url_params_mo.group(1) + video_t_param = video_url_params_mo.group(2) + video_url_real = const_video_url_real_str % (video_real_id, video_t_param) + cond_print('done.\n') + +except KeyboardInterrupt: + sys.exit(exit_failure) + +# Retrieve video data +try: + video_data = perform_request(video_url_real) + cond_print('Video data found at %s\n' % video_data.geturl()) + + # Abort here if in simulate mode + if cmdl_opts.simulate: + sys.exit() + + cond_print('Retrieving video data... ') + video_file = open(video_filename, 'wb') + try: + video_len_str = '%sk' % to_k(int(video_data.info()['Content-length'])) + except KeyError: + video_len_str = '(unknown)' + + byte_counter = 0 + video_block = video_data.read(const_block_size) + while len(video_block) != 0: + byte_counter += len(video_block) + video_file.write(video_block) + cond_print('\rRetrieving video data... %sk of %s ' % (to_k(byte_counter), video_len_str)) + video_block = video_data.read(const_block_size) + + video_file.close() + +except (urllib2.URLError, ValueError): + cond_print('failed.\n') + error_advice_exit('unable to download video data') + +except KeyboardInterrupt: + sys.exit(exit_failure) + +cond_print('done.\n') +cond_print('Video data saved to %s\n' % video_filename) +sys.exit() -- 2.41.1