[__init__] Disable localization if --verbose given

--verbose is used for debugging, and we don't want to receive
non-English bug reports.

youtube_dl/__init__.py

@@ -60,6 +60,9 @@ def _real_main(argv=None):
     if opts.default_language is not None:
         i18n_service.set_default_language(opts.default_language)
 
+    if opts.verbose:
+        i18n_service.set_default_language('en_US')
+
     # Set user agent
     if opts.user_agent is not None:
         std_headers['User-Agent'] = opts.user_agent

youtube_dl/options.py

@@ -542,7 +542,7 @@ def parseOpts(overrideArguments=None):
     verbosity.add_option(
         '-v', '--verbose',
         action='store_true', dest='verbose', default=False,
-        help='Print various debugging information')
+        help='Print various debugging information. Localization is disabled with this option.')
     verbosity.add_option(
         '--dump-pages', '--dump-intermediate-pages',
         action='store_true', dest='dump_intermediate_pages', default=False,