X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/b1e8c1f49aec204ae7b90abd71dead191d647c3c..17b79875ed4a7786e28c1bb12c4dbef09a8022a8:/youtube-dl diff --git a/youtube-dl b/youtube-dl index dbd40b7..ba27e75 100755 --- a/youtube-dl +++ b/youtube-dl @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright (c) 2006 Ricardo Garcia Gonzalez +# Copyright (c) 2006-2008 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"), @@ -25,76 +25,183 @@ # sale, use or other dealings in this Software without prior written # authorization. # -import sys +import getpass +import httplib +import math +import netrc import optparse -import urllib2 +import os import re - -# Exit status constants -exit_failure = 1 -exit_success = 0 +import socket +import string +import sys +import time +import urllib2 # Global constants +const_1k = 1024 +const_initial_block_size = 10 * const_1k +const_epsilon = 0.0001 +const_timeout = 120 + 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_video_url_re = re.compile(r'^((?:http://)?(?:\w+\.)?youtube\.com/(?:v/|(?:watch(?:\.php)?)?\?(?:.+&)?v=))?([0-9A-Za-z_-]+)(?(1)[&/].*)?$') +const_video_url_format_suffix = '&fmt=%s' +const_best_quality_format = 18 +const_login_url_str = 'http://www.youtube.com/login?next=/watch%%3Fv%%3D%s' +const_login_post_str = 'current_form=loginForm&next=%%2Fwatch%%3Fv%%3D%s&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_url_t_param_re = re.compile(r', "t": "([^"]+)"') 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 +const_video_title_re = re.compile(r'YouTube - ([^<]*)', re.M | re.I) # 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('Try again several times. It may be a temporary 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('* Video no longer exists.\n') + sys.stderr.write('* Video requires age confirmation but you did not provide an account.\n') + sys.stderr.write('* You provided the account data, but it is not valid.\n') + sys.stderr.write('* The connection was cut suddenly for some reason.\n') + sys.stderr.write('* YouTube 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('When using a proxy, make sure http_proxy has http://host:port format.\n') sys.stderr.write('Try again several times and contact me if the problem persists.\n') - sys.exit(exit_failure) + sys.exit('\n') # Wrapper to create custom requests with typical headers -def request_create(url, data=None): +def request_create(url, extra_headers, post_data): retval = urllib2.Request(url) - if not data is None: - retval.add_data(data) + if post_data is not None: + retval.add_data(post_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('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.11) Gecko/20071127 Firefox/2.0.0.11') 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') + if extra_headers is not None: + for header in extra_headers: + retval.add_header(header[0], header[1]) return retval # Perform a request, process headers and return response -def perform_request(url, data=None): - request = request_create(url, data) +def perform_request(url, headers=None, data=None): + request = request_create(url, headers, 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: + if not (cmdl_opts.quiet or cmdl_opts.get_url): sys.stdout.write(str) sys.stdout.flush() +# Title string normalization +def title_string_norm(title): + title = ''.join((x in string.ascii_letters or x in string.digits) and x or ' ' for x in title) + title = '_'.join(title.split()) + title = title.lower() + return title + +# Generic download step +def download_step(return_data_flag, step_title, step_error, url, post_data=None): + try: + cond_print('%s... ' % step_title) + data = perform_request(url, data=post_data).read() + cond_print('done.\n') + if return_data_flag: + return data + return None + + except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error): + cond_print('failed.\n') + error_advice_exit(step_error) + + except KeyboardInterrupt: + sys.exit('\n') + +# Generic extract step +def extract_step(step_title, step_error, regexp, data): + try: + cond_print('%s... ' % step_title) + match = regexp.search(data) + + if match is None: + cond_print('failed.\n') + error_advice_exit(step_error) + + extracted_data = match.group(1) + cond_print('done.\n') + return extracted_data + + except KeyboardInterrupt: + sys.exit('\n') + +# Calculate new block size based on previous block size +def new_block_size(before, after, bytes): + new_min = max(bytes / 2.0, 1.0) + new_max = max(bytes * 2.0, 1.0) + dif = after - before + if dif < const_epsilon: + return int(new_max) + rate = bytes / dif + if rate > new_max: + return int(new_max) + if rate < new_min: + return int(new_min) + return int(rate) + +# Get optimum 1k exponent to represent a number of bytes +def optimum_k_exp(num_bytes): + global const_1k + if num_bytes == 0: + return 0 + return long(math.log(num_bytes, const_1k)) + +# Get optimum representation of number of bytes +def format_bytes(num_bytes): + global const_1k + try: + exp = optimum_k_exp(num_bytes) + suffix = 'bkMGTPEZY'[exp] + if exp == 0: + return '%s%s' % (num_bytes, suffix) + converted = float(num_bytes) / float(const_1k**exp) + return '%.2f%s' % (converted, suffix) + except IndexError: + sys.exit('Error: internal error formatting number of bytes.') + +# Calculate ETA and return it in string format as MM:SS +def calc_eta(start, now, total, current): + dif = now - start + if current == 0 or dif < const_epsilon: + return '--:--' + rate = float(current) / dif + eta = long((total - current) / rate) + (eta_mins, eta_secs) = divmod(eta, 60) + if eta_mins > 99: + return '--:--' + return '%02d:%02d' % (eta_mins, eta_secs) + +# Calculate speed and return it in string format +def calc_speed(start, now, bytes): + dif = now - start + if bytes == 0 or dif < const_epsilon: + return 'N/A b' + return format_bytes(float(bytes) / dif) + + +# Title string minimal transformation +def title_string_touch(title): + return title.replace(os.sep, '%') + # Create the command line options parser and parse command line cmdl_usage = 'usage: %prog [options] video_url' -cmdl_version = '2006.08.28' +cmdl_version = '2008.03.22' 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') @@ -103,144 +210,202 @@ cmdl_parser.add_option('-p', '--password', dest='password', metavar='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_parser.add_option('-t', '--title', action='store_true', dest='use_title', help='use title in file name') +cmdl_parser.add_option('-l', '--literal', action='store_true', dest='use_literal', help='use literal title in file name') +cmdl_parser.add_option('-n', '--netrc', action='store_true', dest='use_netrc', help='use .netrc authentication data') +cmdl_parser.add_option('-g', '--get-url', action='store_true', dest='get_url', help='print final video URL only') +cmdl_parser.add_option('-2', '--title-too', action='store_true', dest='get_title', help='used with -g, print title too') +cmdl_parser.add_option('-f', '--format', dest='video_format', metavar='FORMAT', help='append &fmt=FORMAT to the URL') +cmdl_parser.add_option('-b', '--best-quality', action='store_true', dest='best_quality', help='alias for -f 18') (cmdl_opts, cmdl_args) = cmdl_parser.parse_args() +# Set socket timeout +socket.setdefaulttimeout(const_timeout) + # Get video URL if len(cmdl_args) != 1: cmdl_parser.print_help() - sys.exit(exit_failure) + sys.exit('\n') 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) + sys.exit('Error: URL does not seem to be a youtube video URL. If it is, report a bug.') +video_url_id = video_url_mo.group(2) 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 +video_format = None +if cmdl_opts.best_quality: + video_format = const_best_quality_format + video_extension = '.mp4' else: - video_filename = cmdl_opts.outfile + video_extension = '.flv' -# Check name -if not video_filename.lower().endswith('.flv'): - sys.stderr.write('Warning: video file name does not end in .flv\n') +if cmdl_opts.video_format is not None: + if video_format is not None and video_format != cmdl_opts.video_format: + sys.exit('Error: conflicting video formats specified\n') + video_format = cmdl_opts.video_format -# 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.') +if video_format is not None: + video_url = '%s%s' % (video_url, const_video_url_format_suffix % video_format) -# Test writable file -if not cmdl_opts.simulate: - try: - disk_test = open(video_filename, 'wb') - disk_test.close() +# Check conflicting options +if cmdl_opts.outfile is not None and (cmdl_opts.simulate or cmdl_opts.get_url): + sys.stderr.write('Warning: video file name given but will not be used.\n') - except (OSError, IOError): - sys.exit('Error: unable to open %s for writing.' % video_filename) +if cmdl_opts.outfile is not None and (cmdl_opts.use_title or cmdl_opts.use_literal): + sys.exit('Error: using the video title conflicts with using a given file name.') -# Install cookie handler -urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor())) +if cmdl_opts.use_title and cmdl_opts.use_literal: + sys.exit('Error: cannot use title and literal title at the same time.') -# 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') +if cmdl_opts.quiet and cmdl_opts.get_url: + sys.exit('Error: cannot be quiet and print final URL at the same time.') - except (urllib2.URLError, ValueError): - cond_print('failed.\n') - error_advice_exit('unable to login') +# Incorrect option formatting +if cmdl_opts.username is None and cmdl_opts.password is not None: + sys.exit('Error: password give but username is missing.') - except KeyboardInterrupt: - sys.exit(exit_failure) +if cmdl_opts.use_netrc and (cmdl_opts.username is not None or cmdl_opts.password is not None): + sys.exit('Error: cannot use netrc and username/password at the same time.') + +if cmdl_opts.get_url is None and cmdl_opts.get_title is not None: + sys.exit('Error: getting title requires getting URL.') + +# Get account information if any +account_username = None +account_password = None +if cmdl_opts.use_netrc: 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') + info = netrc.netrc().authenticators('youtube') + if info is None: + sys.exit('Error: no authenticators for machine youtube.') + account_username = info[0] + account_password = info[2] + except IOError: + sys.exit('Error: unable to read .netrc file.') + except netrc.NetrcParseError: + sys.exit('Error: unable to parse .netrc file.') +else: + account_username = cmdl_opts.username + if account_username is not None: + if cmdl_opts.password is None: + account_password = getpass.getpass('Type YouTube password and press return: ') + else: + account_password = cmdl_opts.password - except (urllib2.URLError, ValueError): - cond_print('failed.\n') - error_advice_exit('unable to confirm age') +# Get output file name +if cmdl_opts.outfile is None: + video_filename = '%s%s' % (video_url_id, video_extension) +else: + video_filename = cmdl_opts.outfile - except KeyboardInterrupt: - sys.exit(exit_failure) +# Install cookie and proxy handlers +urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler())) +urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor())) -# Retrieve video webpage -try: - cond_print('Retrieving video webpage... ') - video_webpage = perform_request(video_url).read() +# Log in and confirm age if needed +if account_username is not None: + url = const_login_url_str % video_url_id + post = const_login_post_str % (video_url_id, account_username, account_password) + download_step(False, 'Logging in', 'unable to log in', url, post) -except (urllib2.URLError, ValueError): - cond_print('failed.\n') - error_advice_exit('unable to download video webpage') + url = const_age_url_str % video_url_id + post = const_age_post_str % video_url_id + download_step(False, 'Confirming age', 'unable to confirm age', url, post) -except KeyboardInterrupt: - sys.exit(exit_failure) +# Retrieve video webpage +video_webpage = download_step(True, 'Retrieving video webpage', 'unable to retrieve video webpage', video_url) -cond_print('done.\n') +# Extract video title if needed +if cmdl_opts.use_title or cmdl_opts.use_literal or cmdl_opts.get_title: + video_title = extract_step('Extracting video title', 'unable to extract video title', const_video_title_re, video_webpage) # 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') +video_url_t_param = extract_step('Extracting URL "t" parameter', 'unable to extract URL "t" parameter', const_url_t_param_re, video_webpage) +video_url_real = const_video_url_real_str % (video_url_id, video_url_t_param) +if video_format is not None: + video_url_real = '%s%s' % (video_url_real, const_video_url_format_suffix % video_format) + +# Rebuild filename if needed +if cmdl_opts.use_title or cmdl_opts.use_literal: + if cmdl_opts.use_title: + prefix = title_string_norm(video_title) + else: + prefix = title_string_touch(video_title) + video_filename = '%s-%s%s' % (prefix, video_url_id, video_extension) -except KeyboardInterrupt: - sys.exit(exit_failure) +# Check name +if not video_filename.lower().endswith(video_extension): + sys.stderr.write('Warning: video file name does not end in %s\n' % video_extension) # Retrieve video data try: + cond_print('Requesting video file... ') video_data = perform_request(video_url_real) + cond_print('done.\n') cond_print('Video data found at %s\n' % video_data.geturl()) - # Abort here if in simulate mode - if cmdl_opts.simulate: + if cmdl_opts.get_title: + print video_title + + if cmdl_opts.get_url: + print video_data.geturl() + + if cmdl_opts.simulate or cmdl_opts.get_url: 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'])) + video_file = open(video_filename, 'wb') + except (IOError, OSError): + sys.exit('Error: unable to open "%s" for writing.' % video_filename) + try: + video_len = long(video_data.info()['Content-length']) + video_len_str = format_bytes(video_len) except KeyError: - video_len_str = '(unknown)' + video_len = None + video_len_str = 'N/A' byte_counter = 0 - video_block = video_data.read(const_block_size) - while len(video_block) != 0: - byte_counter += len(video_block) + block_size = const_initial_block_size + start_time = time.time() + while True: + if video_len is not None: + percent = float(byte_counter) / float(video_len) * 100.0 + percent_str = '%.1f' % percent + eta_str = calc_eta(start_time, time.time(), video_len, byte_counter) + else: + percent_str = '---.-' + eta_str = '--:--' + counter = format_bytes(byte_counter) + speed_str = calc_speed(start_time, time.time(), byte_counter) + cond_print('\rRetrieving video data: %5s%% (%8s of %s) at %8s/s ETA %s ' % (percent_str, counter, video_len_str, speed_str, eta_str)) + + before = time.time() + video_block = video_data.read(block_size) + after = time.time() + dl_bytes = len(video_block) + if dl_bytes == 0: + break + byte_counter += dl_bytes 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) + block_size = new_block_size(before, after, dl_bytes) + + if video_len is not None and byte_counter != video_len: + error_advice_exit('server did not send the expected ammount of data') video_file.close() + cond_print('done.\n') + cond_print('Video data saved to %s\n' % video_filename) -except (urllib2.URLError, ValueError): +except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error): cond_print('failed.\n') error_advice_exit('unable to download video data') except KeyboardInterrupt: - sys.exit(exit_failure) + sys.exit('\n') -cond_print('done.\n') -cond_print('Video data saved to %s\n' % video_filename) +# Finish sys.exit()