Add app to server Mayan EDMS using tornado.

mayan/apps/server/__init__.py

@@ -0,0 +1,3 @@
+from __future__ import unicode_literals
+
+default_app_config = 'server.apps.ServerApp'

mayan/apps/server/apps.py

@@ -0,0 +1,13 @@
+from __future__ import absolute_import, unicode_literals
+
+from django.utils.translation import ugettext_lazy as _
+
+from common import MayanAppConfig
+
+
+class ServerApp(MayanAppConfig):
+    name = 'server'
+    verbose_name = _('Server')
+
+    def ready(self):
+        super(ServerApp, self).ready()

mayan/apps/server/management/commands/serve.py

@@ -0,0 +1,68 @@
+from __future__ import unicode_literals
+
+from django.core import management
+from django.core.wsgi import get_wsgi_application
+
+import tornado.httpserver
+import tornado.ioloop
+from tornado.process import Subprocess
+import tornado.web
+import tornado.wsgi
+
+DEFAULT_PORT = 52723
+
+
+class Command(management.BaseCommand):
+    help = 'Launches a local Tornado server.'
+
+    def add_arguments(self, parser):
+            parser.add_argument(
+                '--single-process',
+                action='store_true',
+                dest='single-process',
+                default=False,
+                help='Forces only one server process.'
+            )
+
+            parser.add_argument(
+                '--port',
+                action='store',
+                dest='port',
+                default=DEFAULT_PORT,
+                help='Port on which to bind the server.'
+            )
+
+    def handle(self, *args, **options):
+
+        wsgi_application = get_wsgi_application()
+        wsgi_container = tornado.wsgi.WSGIContainer(wsgi_application)
+
+        tornado_application = tornado.web.Application(
+            handlers=(
+                (
+                    r'/static/(.*)', tornado.web.StaticFileHandler,
+                    {'path': 'mayan/media/static'},
+                ),
+                (
+                    '.*', tornado.web.FallbackHandler,
+                    dict(fallback=wsgi_container)
+                ),
+            )
+        )
+
+        http_server = tornado.httpserver.HTTPServer(tornado_application)
+
+        try:
+            if options['single-process']:
+                http_server.listen(options['port'])
+                ioloop = tornado.ioloop.IOLoop.instance()
+                Subprocess(['./manage.py', 'celery', 'worker'])
+                ioloop.start()
+            else:
+                http_server.bind(options['port'])
+                http_server.start(0)  # forks one process per cpu
+                ioloop = tornado.ioloop.IOLoop.current()
+                Subprocess(['./manage.py', 'celery', 'worker'])
+                ioloop.start()
+        except KeyboardInterrupt:
+            tornado.ioloop.IOLoop.instance().stop()

mayan/settings/base.py

@@ -75,6 +75,7 @@ INSTALLED_APPS = (
     'mimetype',
     'navigation',
     'permissions',
+    'server',
     'smart_settings',
     'user_management',
     # Mayan EDMS