pep.py/helpers/requestHelper.py
Nyo 653303831b IRC Support for username with spaces
BATs with Donor have bright yellow username in chat
General performance improvements
Code cleaning
Multiplayer improvements and fixes
Fixed some spectator bugs
2016-09-02 12:41:19 +02:00

85 lines
2.3 KiB
Python

import tornado
import tornado.web
import tornado.gen
from tornado.ioloop import IOLoop
from objects import glob
import gevent
class asyncRequestHandler(tornado.web.RequestHandler):
"""
Tornado asynchronous request handler
create a class that extends this one (requestHelper.asyncRequestHandler)
use asyncGet() and asyncPost() instad of get() and post().
Done. I'm not kidding.
"""
@tornado.web.asynchronous
@tornado.gen.engine
def get(self, *args, **kwargs):
try:
yield tornado.gen.Task(runBackground, (self.asyncGet, tuple(args), dict(kwargs)))
except Exception as e:
yield tornado.gen.Task(self.captureException, exc_info=True)
finally:
if not self._finished:
self.finish()
@tornado.web.asynchronous
@tornado.gen.engine
def post(self, *args, **kwargs):
try:
yield tornado.gen.Task(runBackground, (self.asyncPost, tuple(args), dict(kwargs)))
except Exception as e:
yield tornado.gen.Task(self.captureException, exc_info=True)
finally:
if not self._finished:
self.finish()
def asyncGet(self, *args, **kwargs):
self.send_error(405)
self.finish()
def asyncPost(self, *args, **kwargs):
self.send_error(405)
self.finish()
def getRequestIP(self):
realIP = self.request.headers.get("X-Forwarded-For") if glob.cloudflare == True else self.request.headers.get("X-Real-IP")
if realIP != None:
return realIP
return self.request.remote_ip
def runBackground(data, callback):
"""
Run a function in the background.
Used to handle multiple requests at the same time
"""
func, args, kwargs = data
def _callback(result):
IOLoop.instance().add_callback(lambda: callback(result))
g = gevent.Greenlet(func, *args, **kwargs)
g.link(_callback)
g.start()
def checkArguments(arguments, requiredArguments):
"""
Check that every requiredArguments elements are in arguments
arguments -- full argument list, from tornado
requiredArguments -- required arguments list es: ["u", "ha"]
handler -- handler string name to print in exception. Optional
return -- True if all arguments are passed, none if not
"""
for i in requiredArguments:
if i not in arguments:
return False
return True
def printArguments(t):
"""
Print passed arguments, for debug purposes
t -- tornado object (self)
"""
print("ARGS::")
for i in t.request.arguments:
print ("{}={}".format(i, t.get_argument(i)))