Save and restore console title (Fixes #1782)

youtube_dl/YoutubeDL.py

@@ -213,6 +213,25 @@ class YoutubeDL(object):
         elif 'TERM' in os.environ:
             self.to_screen('\033]0;%s\007' % message, skip_eol=True)
 
+    def save_console_title(self):
+        if not self.params.get('consoletitle', False):
+            return
+        if 'TERM' in os.environ:
+            self.to_screen('\033[22t')
+
+    def restore_console_title(self):
+        if not self.params.get('consoletitle', False):
+            return
+        if 'TERM' in os.environ:
+            self.to_screen('\033[23t')
+
+    def __enter__(self):
+        self.save_console_title()
+        return self
+
+    def __exit__(self, *args):
+        self.restore_console_title()
+
     def fixed_template(self):
         """Checks if the output template is fixed."""
         return (re.search(u'(?u)%\\(.+?\\)s', self.params['outtmpl']) is None)

youtube_dl/__init__.py

@@ -603,8 +603,7 @@ def _real_main(argv=None):
                      u' file! Use "%%(ext)s" instead of %r' %
                      determine_ext(outtmpl, u''))
 
-    # YoutubeDL
-    ydl = YoutubeDL({
+    ydl_opts = {
         'usenetrc': opts.usenetrc,
         'username': opts.username,
         'password': opts.password,
@@ -667,8 +666,9 @@ def _real_main(argv=None):
         'youtube_print_sig_code': opts.youtube_print_sig_code,
         'age_limit': opts.age_limit,
         'download_archive': opts.download_archive,
-        })
+    }
 
+    with YoutubeDL(ydl_opts) as ydl:
         if opts.verbose:
             write_string(u'[debug] youtube-dl version ' + __version__ + u'\n')
             try:
@@ -685,7 +685,8 @@ def _real_main(argv=None):
                     sys.exc_clear()
                 except:
                     pass
-        write_string(u'[debug] Python version %s - %s' %(platform.python_version(), platform_name()) + u'\n')
+            write_string(u'[debug] Python version %s - %s' %
+                         (platform.python_version(), platform_name()) + u'\n')
 
             proxy_map = {}
             for handler in opener.handlers: