X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/04a301d947124b5d27a90db6313acc99ad63fbb1..ea94aadfa2b344a139c59de0a1bbcb6b27b82962:/youtube-dl diff --git a/youtube-dl b/youtube-dl index 3cd8bfb..5e12489 100755 --- a/youtube-dl +++ b/youtube-dl @@ -25,21 +25,22 @@ # sale, use or other dealings in this Software without prior written # authorization. # -import sys -import optparse +import getpass import httplib -import urllib2 +import math +import netrc +import optparse +import os import re +import socket import string -import os - -# First off, check Python and refuse to run -if sys.hexversion < 0x020400f0: - sys.exit('Error: Python 2.4 or later needed to run the program') +import sys +import time +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://)?(?:www\d*\.)?youtube\.com/(?:v/|(?:watch(?:\.php)?)?\?(?:.+&)?v=)([^&]+).*') 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' @@ -48,18 +49,18 @@ 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_video_title_re = re.compile(r'YouTube - ([^<]*)', re.M | re.I) const_1k = 1024 -const_block_size = 10 * const_1k +const_initial_block_size = 10 * const_1k # 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 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') @@ -69,7 +70,7 @@ def error_advice_exit(error_text): # Wrapper to create custom requests with typical headers def request_create(url, data=None): retval = urllib2.Request(url) - if not data is None: + if data is not 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:1.8.1) Gecko/20061010 Firefox/2.0') @@ -84,24 +85,23 @@ 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() # 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() - title = map(lambda x: x in string.whitespace and '_' or x, title) - title = filter(lambda x: x in string.lowercase or x in string.digits or x == '_', title) - return ''.join(title) + 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): @@ -113,7 +113,7 @@ def download_step(return_data_flag, step_title, step_error, url, post_data=None) return data return None - except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError): + except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error): cond_print('failed.\n') error_advice_exit(step_error) @@ -137,9 +137,61 @@ def extract_step(step_title, step_error, regexp, 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 < 0.0001: + 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): + if current == 0: + return '--:--' + rate = float(current) / (now - start) + 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): + if bytes == 0: + return 'N/A b' + return format_bytes(float(bytes) / (now - start)) + # Create the command line options parser and parse command line cmdl_usage = 'usage: %prog [options] video_url' -cmdl_version = '2006.12.07' +cmdl_version = '2007.03.27' 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') @@ -149,6 +201,9 @@ 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_opts, cmdl_args) = cmdl_parser.parse_args() # Get video URL @@ -165,16 +220,58 @@ 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: +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 not cmdl_opts.outfile is 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.') -# 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 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.') + +# Get account information if any +account_username = None +account_password = None + +if cmdl_opts.use_netrc: + try: + info = netrc.netrc().authenticators('youtube') + if info is None: + sys.exit('Error: no authenticators for machine youtube.') + netrc_username = info[0] + netrc_password = info[2] + except IOError: + sys.exit('Error: unable to read .netrc file.') + except netrc.NetrcParseError: + sys.exit('Error: unable to parse .netrc file.') + +if cmdl_opts.password is not None: + account_username = cmdl_opts.username + account_password = cmdl_opts.password +else: + if cmdl_opts.username is not None and cmdl_opts.use_netrc: + if cmdl_opts.username != netrc_username: + sys.exit('Error: conflicting username from .netrc and command line options.') + account_username = cmdl_opts.username + account_password = netrc_password + elif cmdl_opts.username is not None: + account_username = cmdl_opts.username + account_password = getpass.getpass('Type YouTube password and press return: ') + elif cmdl_opts.use_netrc: + if len(netrc_username) == 0: + sys.exit('Error: empty username in .netrc file.') + account_username = netrc_username + account_password = netrc_password # Get output file name if cmdl_opts.outfile is None: @@ -187,7 +284,7 @@ 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() @@ -200,9 +297,9 @@ urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler())) urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor())) # Log in and confirm age if needed -if not cmdl_opts.username is None: +if account_username is not None: url = const_login_url_str % video_url_id - post = const_login_post_str % (video_url_id, cmdl_opts.username, cmdl_opts.password) + post = const_login_post_str % (video_url_id, account_username, account_password) download_step(False, 'Logging in', 'unable to log in', url, post) url = const_age_url_str % video_url_id @@ -213,7 +310,7 @@ if not cmdl_opts.username is 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: video_title = extract_step('Extracting video title', 'unable to extract video title', const_video_title_re, video_webpage) # Extract needed video URL parameters @@ -225,30 +322,53 @@ 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: + 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(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 - 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 amount of data') video_file.close() cond_print('done.\n') cond_print('Video data saved to %s\n' % video_filename) -except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError): +except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error): cond_print('failed.\n') error_advice_exit('unable to download video data') @@ -256,9 +376,13 @@ 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)