release 2013.12.09.3
[youtube-dl] / youtube_dl / __init__.py
index 2e3f969193eb9a777cd3e847eb550a80ad79e18a..3e82cd637dad9c59d89580daac1379826326f600 100644 (file)
@@ -48,7 +48,6 @@ import os
 import random
 import re
 import shlex
-import subprocess
 import sys
 
 
@@ -57,6 +56,7 @@ from .utils import (
     DateRange,
     decodeOption,
     determine_ext,
+    get_term_width,
     DownloadError,
     get_cachedir,
     MaxDownloadsReached,
@@ -113,19 +113,6 @@ def parseOpts(overrideArguments=None):
     def _comma_separated_values_options_callback(option, opt_str, value, parser):
         setattr(parser.values, option.dest, value.split(','))
 
-    def _find_term_columns():
-        columns = os.environ.get('COLUMNS', None)
-        if columns:
-            return int(columns)
-
-        try:
-            sp = subprocess.Popen(['stty', 'size'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-            out,err = sp.communicate()
-            return int(out.split()[1])
-        except:
-            pass
-        return None
-
     def _hide_login_info(opts):
         opts = list(opts)
         for private_opt in ['-p', '--password', '-u', '--username', '--video-password']:
@@ -140,7 +127,7 @@ def parseOpts(overrideArguments=None):
     max_help_position = 80
 
     # No need to wrap help messages if we're on a wide console
-    columns = _find_term_columns()
+    columns = get_term_width()
     if columns: max_width = columns
 
     fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
@@ -363,6 +350,9 @@ def parseOpts(overrideArguments=None):
             help='Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames', default=False)
     filesystem.add_option('-a', '--batch-file',
             dest='batchfile', metavar='FILE', help='file containing URLs to download (\'-\' for stdin)')
+    filesystem.add_option('--load-info',
+            dest='load_info_filename', metavar='FILE',
+            help='json file containing the video information (created with the "--write-json" option')
     filesystem.add_option('-w', '--no-overwrites',
             action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
     filesystem.add_option('-c', '--continue',
@@ -710,14 +700,17 @@ def _real_main(argv=None):
             update_self(ydl.to_screen, opts.verbose)
 
         # Maybe do nothing
-        if len(all_urls) < 1:
+        if (len(all_urls) < 1) and (opts.load_info_filename is None):
             if not opts.update_self:
                 parser.error(u'you must provide at least one URL')
             else:
                 sys.exit()
 
         try:
-            retcode = ydl.download(all_urls)
+            if opts.load_info_filename is not None:
+                retcode = ydl.download_with_info_file(opts.load_info_filename)
+            else:
+                retcode = ydl.download(all_urls)
         except MaxDownloadsReached:
             ydl.to_screen(u'--max-download limit reached, aborting.')
             retcode = 101