Imported Upstream version 2006.12.07

[youtubedl] / youtube-dl

diff --git a/youtube-dl b/youtube-dl
index dbd40b7bbcde8a7baccbf956eb37d327656ab771..3cd8bfbf6513882560509656891ec55792d17927 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -27,28 +27,31 @@
 #
 import sys
 import optparse
 #
 import sys
 import optparse

+import httplib

 import urllib2
 import re
 import urllib2
 import re

+import string
+import os

 
 

-# Exit status constants
-exit_failure = 1
-exit_success = 0
+# 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')

 
 # Global constants
 const_video_url_str = 'http://www.youtube.com/watch?v=%s'
 
 # 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_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'
 const_age_post_str = 'next_url=%%2Fwatch%%3Fv%%3D%s&action_confirm=Confirm'
 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_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
 
 # Print error message, followed by standard advice information, and then exit
 def error_advice_exit(error_text):
 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('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')


@@ -59,8 +62,9 @@ def error_advice_exit(error_text):
        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('\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('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.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):
 
 # Wrapper to create custom requests with typical headers
 def request_create(url, data=None):


@@ -68,7 +72,7 @@ def request_create(url, data=None):
        if not data is None:
                retval.add_data(data)
        # Try to mimic Firefox, at least a little bit
        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('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0')

        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')
        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')


@@ -92,9 +96,50 @@ def cond_print(str):
                sys.stdout.write(str)
                sys.stdout.flush()
 
                sys.stdout.write(str)
                sys.stdout.flush()
 

+# Title string normalization
+def title_string_norm(title):
+       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)
+
+# 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, post_data).read()
+               cond_print('done.\n')
+               if return_data_flag:
+                       return data
+               return None
+
+       except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError):
+               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')
+

 # Create the command line options parser and parse command line
 cmdl_usage = 'usage: %prog [options] video_url'
 # Create the command line options parser and parse command line
 cmdl_usage = 'usage: %prog [options] video_url'

-cmdl_version = '2006.08.28'
+cmdl_version = '2006.12.07'

 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 = 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')


@@ -103,18 +148,19 @@ 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('-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_opts, cmdl_args) = cmdl_parser.parse_args()
 
 # Get video URL
 if len(cmdl_args) != 1:
        cmdl_parser.print_help()
 (cmdl_opts, cmdl_args) = cmdl_parser.parse_args()
 
 # 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:
 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')
+       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 = const_video_url_str % video_url_id
 
 video_url_id = video_url_mo.group(1)
 video_url = const_video_url_str % video_url_id
 


@@ -122,6 +168,14 @@ video_url = const_video_url_str % video_url_id
 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')
 
 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')
 

+if not cmdl_opts.outfile is 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.')
+

 # Get output file name 
 if cmdl_opts.outfile is None:
        video_filename = '%s.flv' % video_url_id
 # Get output file name 
 if cmdl_opts.outfile is None:
        video_filename = '%s.flv' % video_url_id


@@ -132,11 +186,6 @@ else:
 if not video_filename.lower().endswith('.flv'):
        sys.stderr.write('Warning: video file name does not end in .flv\n')
 
 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:
 # Test writable file
 if not cmdl_opts.simulate:
        try:


@@ -146,67 +195,30 @@ if not cmdl_opts.simulate:
        except (OSError, IOError):
                sys.exit('Error: unable to open %s for writing.' % video_filename)
 
        except (OSError, IOError):
                sys.exit('Error: unable to open %s for writing.' % video_filename)
 

-# Install cookie handler
+# Install cookie and proxy handlers
+urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))

 urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
 
 urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
 

-# Login and confirm age if needed
+# Log in and confirm age if needed

 if not cmdl_opts.username is None:
 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')
+       url = const_login_url_str % video_url_id
+       post = const_login_post_str % (video_url_id, cmdl_opts.username, cmdl_opts.password)
+       download_step(False, 'Logging in', 'unable to log in', url, post)

 
 

-       except KeyboardInterrupt:
-               sys.exit(exit_failure)
+       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)

 
 # Retrieve video webpage
 
 # 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)
+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:
+       video_title = extract_step('Extracting video title', 'unable to extract video title', const_video_title_re, video_webpage)

 
 # Extract needed video URL parameters
 
 # 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)
+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

 
 # Retrieve video data
 try:
 
 # Retrieve video data
 try:


@@ -220,7 +232,7 @@ try:
        cond_print('Retrieving video data... ')
        video_file = open(video_filename, 'wb')
        try:
        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_len_str = '%sk' % to_k(long(video_data.info()['Content-length']))

        except KeyError:
                video_len_str = '(unknown)'
 
        except KeyError:
                video_len_str = '(unknown)'
 


@@ -233,14 +245,28 @@ try:
                video_block = video_data.read(const_block_size)
 
        video_file.close()
                video_block = video_data.read(const_block_size)
 
        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):

        cond_print('failed.\n')
        error_advice_exit('unable to download video data')
 
 except KeyboardInterrupt:
        cond_print('failed.\n')
        error_advice_exit('unable to download video data')
 
 except KeyboardInterrupt:

-       sys.exit(exit_failure)
+       sys.exit('\n')
+
+# Rename video file if needed
+if cmdl_opts.use_title:
+       try:
+               final_filename = '%s-%s.flv' % (title_string_norm(video_title), video_url_id)
+               os.rename(video_filename, final_filename)
+               cond_print('Video file renamed to %s\n' % final_filename)
+       
+       except OSError:
+               sys.stderr.write('Warning: unable to rename file.\n')
+
+       except KeyboardInterrupt:
+               sys.exit('\n')

 
 

-cond_print('done.\n')
-cond_print('Video data saved to %s\n' % video_filename)
+# Finish

 sys.exit()
 sys.exit()