Change handler allow_once syntax to work without parentheses

houdini/handlers/__init__.py

@@ -200,12 +200,12 @@ def check(predicate):
     return decorator
 
 
-def allow_once():
-    def check_for_packet(listener, p):
-        return listener.packet not in p.received_packets
-    return check(check_for_packet)
+def check_for_packet(listener, p):
+    return listener.packet not in p.received_packets
 
 
+allow_once = check(check_for_packet)
+
 def player_attribute(**attrs):
     def check_for_attributes(_, p):
         for attr, value in attrs.items():

houdini/handlers/login/__init__.py

@@ -4,7 +4,7 @@ from houdini.converters import VersionChkConverter
 
 
 @handlers.handler(XMLPacket('verChk'))
-@handlers.allow_once()
+@handlers.allow_once
 async def handle_version_check(p, version: VersionChkConverter):
     if not version == 153:
         await p.send_xml({'body': {'action': 'apiKO', 'r': '0'}})
@@ -14,6 +14,6 @@ async def handle_version_check(p, version: VersionChkConverter):
 
 
 @handlers.handler(XMLPacket('rndK'))
-@handlers.allow_once()
+@handlers.allow_once
 async def handle_random_key(p, data):
     await p.send_xml({'body': {'action': 'rndK', 'r': '-1'}, 'k': 'houdini'})

houdini/handlers/login/login.py

@@ -16,7 +16,7 @@ from datetime import datetime
 
 
 @handlers.handler(XMLPacket('login'))
-@handlers.allow_once()
+@handlers.allow_once
 async def handle_login(p, credentials: Credentials):
     loop = asyncio.get_event_loop()
 

houdini/handlers/login/world.py

@@ -11,7 +11,7 @@ handle_random_key = login.handle_random_key
 
 
 @handlers.handler(XMLPacket('login'))
-@handlers.allow_once()
+@handlers.allow_once
 async def handle_login(p, credentials: WorldCredentials):
     tr = p.server.redis.multi_exec()
     tr.get('{}.lkey'.format(credentials.id))

houdini/handlers/play/item.py

@@ -3,6 +3,6 @@ from houdini.handlers import XTPacket
 
 
 @handlers.handler(XTPacket('i', 'gi'))
-@handlers.allow_once()
+@handlers.allow_once
 async def handle_get_inventory(p):
     await p.send_xt('gi', *p.data.inventory.keys())

houdini/handlers/play/navigation.py

@@ -8,7 +8,7 @@ import ujson
 
 
 @handlers.handler(XTPacket('j', 'js'), pre_login=True)
-@handlers.allow_once()
+@handlers.allow_once
 async def handle_join_server(p, penguin_id: int, login_key: str, lang: str):
     if penguin_id != p.data.id:
         return await p.close()