X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/04a301d947124b5d27a90db6313acc99ad63fbb1..bf5bf422a44a6ddade48df974ae259070f474e68:/youtube-dl?ds=inline

diff --git a/youtube-dl b/youtube-dl
index 3cd8bfb..630eb9b 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -32,6 +32,9 @@ import urllib2
 import re
 import string
 import os
+import time
+import netrc
+import getpass
 
 # First off, check Python and refuse to run
 if sys.hexversion < 0x020400f0:
@@ -48,7 +51,7 @@ 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'<title>YouTube - ([^<]*)</title>', 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):
@@ -69,7 +72,7 @@ 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')
@@ -98,10 +101,10 @@ def cond_print(str):
 
 # 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
 
 # Generic download step
 def download_step(return_data_flag, step_title, step_error, url, post_data=None):
@@ -137,9 +140,23 @@ 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, 1)
+	new_max = max(bytes * 2, 1)
+	dif = after - before
+	if dif < 0.0001:
+		return new_max
+	rate = int(bytes / dif)
+	if rate > new_max:
+		return new_max
+	if rate < new_min:
+		return new_min
+	return rate
+
 # Create the command line options parser and parse command line
 cmdl_usage = 'usage: %prog [options] video_url'
-cmdl_version = '2006.12.07'
+cmdl_version = '2007.01.19'
 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 +166,7 @@ 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('-n', '--netrc', action='store_true', dest='use_netrc', help='use .netrc authentication data')
 (cmdl_opts, cmdl_args) = cmdl_parser.parse_args()
 
 # Get video URL
@@ -165,16 +183,52 @@ 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:
 	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:
 	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.')
+
+# 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:
@@ -200,9 +254,9 @@ 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
@@ -229,7 +283,6 @@ try:
 	if cmdl_opts.simulate:
 		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']))
@@ -237,12 +290,18 @@ try:
 		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)
+	block_size = const_initial_block_size
+	while True:
 		cond_print('\rRetrieving video data... %sk of %s ' % (to_k(byte_counter), video_len_str))
-		video_block = video_data.read(const_block_size)
+		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)
+		block_size = new_block_size(before, after, dl_bytes)
 
 	video_file.close()
 	cond_print('done.\n')