Inherit all errors from ASN1Error class

[pyderasn.git] / pyderasn.py

diff --git a/pyderasn.py b/pyderasn.py
index 9c4da4ec76b94b3561581453e2b981fa18e14ad3..2e74bda53a344f683d7c0548a572aefbfa77d41e 100755 (executable)
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -642,7 +642,10 @@ LENINDEF_PP_CHAR = "I" if PY2 else "∞"
 # Errors
 ########################################################################
 
-class DecodeError(Exception):
+class ASN1Error(ValueError):
+    pass
+
+class DecodeError(ASN1Error):
     def __init__(self, msg="", klass=None, decode_path=(), offset=0):
         """
         :param str msg: reason of decode failing
@@ -697,7 +700,7 @@ class InvalidOID(DecodeError):
     pass
 
 
-class ObjUnknown(ValueError):
+class ObjUnknown(ASN1Error):
     def __init__(self, name):
         super(ObjUnknown, self).__init__()
         self.name = name
@@ -709,7 +712,7 @@ class ObjUnknown(ValueError):
         return "%s(%s)" % (self.__class__.__name__, self)
 
 
-class ObjNotReady(ValueError):
+class ObjNotReady(ASN1Error):
     def __init__(self, name):
         super(ObjNotReady, self).__init__()
         self.name = name
@@ -721,7 +724,7 @@ class ObjNotReady(ValueError):
         return "%s(%s)" % (self.__class__.__name__, self)
 
 
-class InvalidValueType(ValueError):
+class InvalidValueType(ASN1Error):
     def __init__(self, expected_types):
         super(InvalidValueType, self).__init__()
         self.expected_types = expected_types
@@ -735,7 +738,7 @@ class InvalidValueType(ValueError):
         return "%s(%s)" % (self.__class__.__name__, self)
 
 
-class BoundsError(ValueError):
+class BoundsError(ASN1Error):
     def __init__(self, bound_min, value, bound_max):
         super(BoundsError, self).__init__()
         self.bound_min = bound_min