Add hidden --verbose-debugging flag to mod_wsgi-express.

src/server/__init__.py

@@ -282,6 +282,8 @@ def find_mimetypes():
 
 WSGIPythonHome '%(python_home)s'
 
+WSGIVerboseDebugging '%(verbose_debugging_flag)s'
+
 <IfDefine !ONE_PROCESS>
 WSGIRestrictEmbedded On
 WSGISocketPrefix %(server_root)s/wsgi
@@ -2243,6 +2245,9 @@ def check_percentage(option, opt_str, value, parser):
             help='Flag indicating whether the web server startup log should '
             'be enabled. Defaults to being disabled.'),
 
+    optparse.make_option('--verbose-debugging', action='store_true',
+            dest='verbose_debugging', help=optparse.SUPPRESS_HELP),
+
     optparse.make_option('--log-to-terminal', action='store_true',
             default=False, help='Flag indicating whether logs should '
             'be directed back to the terminal. Defaults to being disabled. '
@@ -2879,6 +2884,11 @@ def _cmd_setup_server(command, args, options):
             options['httpd_arguments_list'].append('-E')
             options['httpd_arguments_list'].append(options['startup_log_file'])
 
+    if options['verbose_debugging']:
+        options['verbose_debugging_flag'] = 'On'
+    else:
+        options['verbose_debugging_flag'] = 'Off'
+
     if options['server_name']:
         host = options['server_name']
     else: