From 4f9e8f0a39663d198c042ddfb1354a22a9881883 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Mon, 5 Nov 2018 20:53:07 +0300
Subject: [PATCH] Inherit all errors from ASN1Error class

---
 VERSION      |  2 +-
 doc/news.rst |  6 ++++++
 pyderasn.py  | 13 ++++++++-----
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/VERSION b/VERSION
index 69df05f..515be8f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.3
+4.4
diff --git a/doc/news.rst b/doc/news.rst
index cc3e6a8..f5e8150 100644
--- a/doc/news.rst
+++ b/doc/news.rst
@@ -1,6 +1,12 @@
 News
 ====
 
+.. _release4.4:
+
+4.4
+---
+* All errors are inherited from ASN1Error class
+
 .. _release4.3:
 
 4.3
diff --git a/pyderasn.py b/pyderasn.py
index 9c4da4e..2e74bda 100755
--- 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
-- 
2.44.0