Refactor

github/ArgumentsChecker.py

@@ -0,0 +1,23 @@
+import itertools
+
+class ArgumentsChecker:
+    def __init__( self, mandatoryParameters, optionalParameters ):
+        self.__mandatoryParameters = mandatoryParameters
+        self.__optionalParameters = optionalParameters
+
+    def check( self, args, kwds ):
+        data = dict( kwds )
+        if len( args ) + len( kwds ) == 0:
+            raise TypeError()
+        for arg, argumentName in itertools.izip( args, itertools.chain( self.__mandatoryParameters, self.__optionalParameters ) ):
+            if argumentName in kwds:
+                raise TypeError()
+            else:
+                data[ argumentName ] = arg
+        for argumentName in data:
+            if argumentName not in itertools.chain( self.__mandatoryParameters, self.__optionalParameters ):
+                raise TypeError()
+        for argumentName in self.__mandatoryParameters:
+            if argumentName not in data:
+                raise TypeError()
+        return data