base.py: updated the base class utility functions to be not bound

Author: sarathsp06

messagebird/base.py

@@ -3,18 +3,20 @@
 class Base(object):
   def load(self, data):
     for name, value in list(data.items()):
-      if hasattr(self, name):
+      if hasattr(self, name) and not callable(getattr(self,name)):
         setattr(self, name, value)
 
     return self
-
-  def strip_nanoseconds_from_date(self, value):
+  
+  @staticmethod
+  def strip_nanoseconds_from_date(value):
     if str(value).find(".") != -1:
       return value[:-11] + value[-1:]
 
     return value
 
-  def value_to_time(self, value, format='%Y-%m-%dT%H:%M:%S+00:00'):
-    if value != None:
-      value = self.strip_nanoseconds_from_date(value)
-      return datetime.strptime(value, format)
+  @staticmethod
+  def value_to_time(value, format='%Y-%m-%dT%H:%M:%S+00:00'):
+    if value is not None:
+      value = Base.strip_nanoseconds_from_date(value)
+      return datetime.strptime(value, format)