X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/690f55171cdca5bfd447e32e45ec5df39c5dfd6a..bef50809707231789aac55853bc8d7f3f68e829c:/youtube-dl?ds=sidebyside diff --git a/youtube-dl b/youtube-dl index 6d53fa3..3626006 100755 --- a/youtube-dl +++ b/youtube-dl @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright (c) 2006 Ricardo Garcia Gonzalez +# Copyright (c) 2006-2007 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"), @@ -27,6 +27,7 @@ # import getpass import httplib +import math import netrc import optparse import os @@ -39,27 +40,28 @@ import urllib2 # Global constants const_video_url_str = 'http://www.youtube.com/watch?v=%s' -const_video_url_re = re.compile(r'(?:http://)?(?:www\d*\.)?youtube\.com/(?:v/|(?:watch(?:\.php)?)?\?v=)([^&]+).*') +const_video_url_re = re.compile(r'^((?:http://)?(?:\w+\.)?youtube\.com/(?:v/|(?:watch(?:\.php)?)?\?(?:.+&)?v=))?([0-9A-Za-z_-]+)(?(1)[&/].*)?$') 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\?([^"]+)"', re.M) -const_video_url_real_str = 'http://www.youtube.com/get_video?%s' +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_video_title_re = re.compile(r'YouTube - ([^<]*)', re.M | re.I) const_1k = 1024 const_initial_block_size = 10 * const_1k +const_epsilon = 0.0001 # Print error message, followed by standard advice information, and then exit def error_advice_exit(error_text): sys.stderr.write('Error: %s.\n' % error_text) 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') @@ -84,15 +86,10 @@ def perform_request(url, data=None): 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() @@ -103,6 +100,10 @@ def title_string_norm(title): title = title.lower() return title +# Title string minimal transformation +def title_string_touch(title): + return title.replace(os.sep, '%') + # Generic download step def download_step(return_data_flag, step_title, step_error, url, post_data=None): try: @@ -139,21 +140,61 @@ def extract_step(step_title, step_error, regexp, data): # Calculate new block size based on previous block size def new_block_size(before, after, bytes): - new_min = max(bytes / 2, 1) - new_max = max(bytes * 2, 1) + new_min = max(bytes / 2.0, 1.0) + new_max = max(bytes * 2.0, 1.0) dif = after - before - if dif < 0.0001: - return new_max - rate = int(bytes / dif) + if dif < const_epsilon: + return int(new_max) + rate = bytes / dif if rate > new_max: - return new_max + return int(new_max) if rate < new_min: - return new_min - return rate + 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 / 60 + eta_secs = 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) # Create the command line options parser and parse command line cmdl_usage = 'usage: %prog [options] video_url' -cmdl_version = '2007.02.18' +cmdl_version = '2007.10.09' 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') @@ -163,7 +204,10 @@ cmdl_parser.add_option('-o', '--output', dest='outfile', metavar='FILE', help='o 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_opts, cmdl_args) = cmdl_parser.parse_args() # Get video URL @@ -176,23 +220,32 @@ video_url_cmdl = cmdl_args[0] 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.') -video_url_id = video_url_mo.group(1) +video_url_id = video_url_mo.group(2) video_url = const_video_url_str % video_url_id # Check conflicting options -if cmdl_opts.outfile is not None and cmdl_opts.simulate: +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') -if cmdl_opts.outfile is not None and cmdl_opts.use_title: +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.') if cmdl_opts.use_netrc and cmdl_opts.password is not None: sys.exit('Error: using netrc conflicts with giving command line password.') +if cmdl_opts.use_title and cmdl_opts.use_literal: + sys.exit('Error: cannot use title and literal title at the same time.') + +if cmdl_opts.quiet and cmdl_opts.get_url: + sys.exit('Error: cannot be quiet and print final URL at the same time.') + # 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.') +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 @@ -238,7 +291,7 @@ if not video_filename.lower().endswith('.flv'): sys.stderr.write('Warning: video file name does not end in .flv\n') # Test writable file -if not cmdl_opts.simulate: +if not (cmdl_opts.simulate or cmdl_opts.get_url): try: disk_test = open(video_filename, 'wb') disk_test.close() @@ -264,32 +317,52 @@ if account_username is not None: video_webpage = download_step(True, 'Retrieving video webpage', 'unable to retrieve video webpage', video_url) # Extract video title if needed -if cmdl_opts.use_title: +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 -video_url_params = extract_step('Extracting video URL parameters', 'unable to extract URL parameters', const_video_url_params_re, video_webpage) -video_url_real = const_video_url_real_str % video_url_params +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) # Retrieve video data try: + cond_print('Requesting video file... ') video_data = perform_request(video_url_real) + cond_print('done.') 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() video_file = open(video_filename, 'wb') try: - video_len_str = '%sk' % to_k(long(video_data.info()['Content-length'])) + 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 block_size = const_initial_block_size + start_time = time.time() while True: - cond_print('\rRetrieving video data... %sk of %s ' % (to_k(byte_counter), video_len_str)) + 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() @@ -300,6 +373,9 @@ try: video_file.write(video_block) 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 amount of data') + video_file.close() cond_print('done.\n') cond_print('Video data saved to %s\n' % video_filename) @@ -312,9 +388,13 @@ except KeyboardInterrupt: sys.exit('\n') # Rename video file if needed -if cmdl_opts.use_title: +if cmdl_opts.use_title or cmdl_opts.use_literal: try: - final_filename = '%s-%s.flv' % (title_string_norm(video_title), video_url_id) + if cmdl_opts.use_title: + prefix = title_string_norm(video_title) + else: + prefix = title_string_touch(video_title) + final_filename = '%s-%s.flv' % (prefix, video_url_id) os.rename(video_filename, final_filename) cond_print('Video file renamed to %s\n' % final_filename)