From a023cce7ec486c85234bc25ad1740191c920d454 Mon Sep 17 00:00:00 2001
From: erick <erick@sugar-dev-erick.(none)>
Date: Fri, 30 Oct 2009 22:21:54 +0000
Subject: Tutorial: Changed Tutorial.update_* to update properties instead of replacing the object, Moved validation of state name to a decorator to avoid dupliation

---
(limited to 'tutorius/constraints.py')

diff --git a/tutorius/constraints.py b/tutorius/constraints.py
index e91f23a..519bce8 100644
--- a/tutorius/constraints.py
+++ b/tutorius/constraints.py
@@ -25,6 +25,12 @@ for some properties.
 # For the File Constraint
 import os
 
+class ConstraintException(Exception):
+    """
+    Parent class for all constraint exceptions
+    """
+    pass
+
 class Constraint():
     """
     Basic block for defining constraints on a TutoriusProperty. Every class
@@ -47,7 +53,7 @@ class ValueConstraint(Constraint):
     def __init__(self, limit):
         self.limit = limit
 
-class UpperLimitConstraintError(Exception):
+class UpperLimitConstraintError(ConstraintException):
     pass
 
 class UpperLimitConstraint(ValueConstraint):
@@ -64,7 +70,7 @@ class UpperLimitConstraint(ValueConstraint):
             raise UpperLimitConstraintError()
         return
 
-class LowerLimitConstraintError(Exception):
+class LowerLimitConstraintError(ConstraintException):
     pass
 
 class LowerLimitConstraint(ValueConstraint):
@@ -81,7 +87,7 @@ class LowerLimitConstraint(ValueConstraint):
             raise LowerLimitConstraintError()
         return
 
-class MaxSizeConstraintError(Exception):
+class MaxSizeConstraintError(ConstraintException):
     pass
     
 class MaxSizeConstraint(ValueConstraint):
@@ -99,7 +105,7 @@ class MaxSizeConstraint(ValueConstraint):
             raise MaxSizeConstraintError("Setter : trying to set value of length %d while limit is %d"%(len(value), self.limit))
         return
 
-class MinSizeConstraintError(Exception):
+class MinSizeConstraintError(ConstraintException):
     pass
     
 class MinSizeConstraint(ValueConstraint):
@@ -117,7 +123,7 @@ class MinSizeConstraint(ValueConstraint):
             raise MinSizeConstraintError("Setter : trying to set value of length %d while limit is %d"%(len(value), self.limit))
         return
 
-class ColorConstraintError(Exception):
+class ColorConstraintError(ConstraintException):
     pass
 
 class ColorArraySizeError(ColorConstraintError):
@@ -153,7 +159,7 @@ class ColorConstraint(Constraint):
         
         return
     
-class BooleanConstraintError(Exception):
+class BooleanConstraintError(ConstraintException):
     pass
 
 class BooleanConstraint(Constraint):
@@ -165,7 +171,7 @@ class BooleanConstraint(Constraint):
             return
         raise BooleanConstraintError("Value is not True or False")
     
-class EnumConstraintError(Exception):
+class EnumConstraintError(ConstraintException):
     pass
 
 class EnumConstraint(Constraint):
@@ -190,7 +196,7 @@ class EnumConstraint(Constraint):
             raise EnumConstraintError("Value is not part of the enumeration")
         return
     
-class FileConstraintError(Exception):
+class FileConstraintError(ConstraintException):
     pass
     
 class FileConstraint(Constraint):
--
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