]> Raphaƫl G. Git Repositories - youtubedl/blobdiff - youtube-dl
Imported Upstream version 2006.12.07
[youtubedl] / youtube-dl
index 84b3f8edd8c420ea04e5b45440193226aea4f16f..3cd8bfbf6513882560509656891ec55792d17927 100755 (executable)
@@ -30,30 +30,28 @@ import optparse
 import httplib
 import urllib2
 import re
+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')
 
-# Exit status constants
-exit_failure = 1
-exit_success = 0
-
 # 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(?:\.php)?)?\?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_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):
-       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')
@@ -66,7 +64,7 @@ def error_advice_exit(error_text):
        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):
@@ -74,7 +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
-       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')
@@ -98,9 +96,50 @@ def cond_print(str):
                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'
-cmdl_version = '2006.09.25'
+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')
@@ -109,12 +148,13 @@ 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_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
@@ -128,6 +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.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
@@ -138,11 +186,6 @@ else:
 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:
@@ -153,65 +196,29 @@ if not cmdl_opts.simulate:
                sys.exit('Error: unable to open %s for writing.' % video_filename)
 
 # Install cookie and proxy handlers
-urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
 urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
+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:
-       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, httplib.HTTPException, TypeError):
-               cond_print('failed.\n')
-               error_advice_exit('unable to login')
-
-       except KeyboardInterrupt:
-               sys.exit('\n')
-
-       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, httplib.HTTPException, TypeError):
-               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('\n')
+       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
-try:
-       cond_print('Retrieving video webpage... ')
-       video_webpage = perform_request(video_url).read()
-       cond_print('done.\n')
+video_webpage = download_step(True, 'Retrieving video webpage', 'unable to retrieve video webpage', video_url)
 
-except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError):
-       cond_print('failed.\n')
-       error_advice_exit('unable to download video webpage')
-
-except KeyboardInterrupt:
-       sys.exit('\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
-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_url_params = video_url_params_mo.group(1)
-       video_url_real = const_video_url_real_str % video_url_params
-       cond_print('done.\n')
-
-except KeyboardInterrupt:
-       sys.exit('\n')
+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:
@@ -225,7 +232,7 @@ 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)'
 
@@ -240,7 +247,6 @@ try:
        video_file.close()
        cond_print('done.\n')
        cond_print('Video data saved to %s\n' % video_filename)
-       sys.exit()
 
 except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError):
        cond_print('failed.\n')
@@ -248,3 +254,19 @@ except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError):
 
 except KeyboardInterrupt:
        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')
+
+# Finish
+sys.exit()