Fixed #16099 -- Enabled threading for the runserver management command and added a --nothreading option to disable it if needed. This should help Google Chrome users because it opens more than one connection speculatively.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16427 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/runserver.py

@@ -17,10 +17,13 @@ naiveip_re = re.compile(r"""^(?:
 ):)?(?P<port>\d+)$""", re.X)
 DEFAULT_PORT = "8000"
 
+
 class BaseRunserverCommand(BaseCommand):
     option_list = BaseCommand.option_list + (
         make_option('--ipv6', '-6', action='store_true', dest='use_ipv6', default=False,
             help='Tells Django to use a IPv6 address.'),
+        make_option('--nothreading', action='store_false', dest='use_threading', default=True,
+            help='Use threading for web server.'),
         make_option('--noreload', action='store_false', dest='use_reloader', default=True,
             help='Tells Django to NOT use the auto-reloader.'),
     )
@@ -81,6 +84,7 @@ class BaseRunserverCommand(BaseCommand):
         from django.conf import settings
         from django.utils import translation
 
+        threading = options.get('use_threading', False)
         shutdown_message = options.get('shutdown_message', '')
         quit_command = (sys.platform == 'win32') and 'CTRL-BREAK' or 'CONTROL-C'
 
@@ -104,7 +108,8 @@ class BaseRunserverCommand(BaseCommand):
 
         try:
             handler = self.get_handler(*args, **options)
-            run(self.addr, int(self.port), handler, ipv6=self.use_ipv6)
+            run(self.addr, int(self.port), handler,
+                ipv6=self.use_ipv6, threading=threading)
         except WSGIServerException, e:
             # Use helpful error messages instead of ugly tracebacks.
             ERRORS = {

django/core/servers/basehttp.py

@@ -12,6 +12,7 @@ import socket
 import sys
 import traceback
 import urllib
+from SocketServer import ThreadingMixIn
 from wsgiref import simple_server
 from wsgiref.util import FileWrapper   # for backwards compatibility
 
@@ -205,8 +206,12 @@ class AdminMediaHandler(handlers.StaticFilesHandler):
         return path.startswith(self.base_url[2]) and not self.base_url[1]
 
 
-def run(addr, port, wsgi_handler, ipv6=False):
+def run(addr, port, wsgi_handler, ipv6=False, threading=False):
     server_address = (addr, port)
-    httpd = WSGIServer(server_address, WSGIRequestHandler, ipv6=ipv6)
+    if threading:
+        httpd_cls = type('WSGIServer', (ThreadingMixIn, WSGIServer), {})
+    else:
+        httpd_cls = WSGIServer
+    httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
     httpd.set_app(wsgi_handler)
     httpd.serve_forever()