feat: Added PyG2O python library

g2o/events.py

@@ -0,0 +1,36 @@
+
+eventList = {}
+
+def callEvent(name, **args):
+    if name in eventList:
+        for event in eventList[name]:
+            event['function'](**args)
+        
+def addEvent(name):
+    if not name in eventList:
+        eventList[name] = []
+        
+def event(name, priority = 9999):
+    def inlineEvt(func):
+        if not name in eventList:
+            pass
+        
+        eventList[name].append({'function': func, 'priority': priority})
+        eventList[name].sort(key = lambda x: x['priority'])
+        return func
+    return inlineEvt
+    
+def removeEventHandler(name, func):
+    if not name in eventList:
+        pass
+    
+    for index, item in enumerate(eventList[name]):
+        if item['function'] == func:
+            del eventList[name][index]
+
+## registering all the events
+
+addEvent('onInit')
+addEvent('onExit')
+addEvent('onTick')
+addEvent('onTime')