Lots of fixes, added player loading/ unloading, login.py custom event system, mysql_utils.columns property

util_events.py

@@ -0,0 +1,71 @@
+from thread_utils import *
+
+MONITOR_PRIORITY = "monitor"
+HIGHEST_PRIORITY = "highest"
+HIGH_PRIORITY    = "high"
+NORMAL_PRIORITY  = "normal"
+LOW_PRIORITY     = "low"
+LOWEST_PRIORITY  = "lowest"
+
+priorities = ["lowest","low","normal","high","highest","monitor"]
+events = []
+
+class base_event():
+    def __init__(self,event_name):
+        self.name = event_name
+        self.canceled = False
+        self._handlers = [ [],[],[],[],[],[] ]
+
+        self.canceled_lock = threading.Lock()
+
+    def add_handler(self,function,priority):
+        for prior in priorities:
+            if prior == priority:
+                self._handlers[priorities.index(prior)].append(function)
+
+    def fire(self,*args):
+        for priority in self._handlers:
+            for handler in priority:
+                handler(self,*args)
+
+    def set_canceled(self,state):
+        with self.canceled_lock:
+            self.canceled = state
+
+
+class utils_events(base_event):
+    def __init__(self,event_name):
+        base_event.__init__(self,event_name)
+
+
+def add_event(event_name,event = base_event): #Adds a new event
+    event = event(event_name)
+    events.append(event)
+
+def fire_event(event_name,*args): #Fires the event
+    for event in events:
+        if event.name == event_name:
+            event.fire(*args)
+            return event
+
+def check_events(event_name): #Returns false if the even does not exist.
+    for event in events:
+        if event.name == event_name:
+            return True
+    return False
+
+
+#Decorator
+def utils_event(event_name, priority, create_event=base_event):
+    def event_decorator(function):
+        def wrapper(*args, **kwargs):
+            pass
+
+        if not check_events(event_name): #Check if the event exists, if not create it.
+            add_event(event_name,create_event)
+
+        for event in events: #Go through the list of events, find the one we need and call all of its handlers
+            if event.name == event_name:
+                event.add_handler(function,priority)
+        return wrapper
+    return event_decorator