Merge pull request #7 from SomberNight/hashable_exc

make CodeMessageError hashable

aiorpcx/jsonrpc.py

@@ -121,6 +121,11 @@ def __eq__(self, other):
         return (isinstance(other, self.__class__) and
                 self.code == other.code and self.message == other.message)
 
+    def __hash__(self):
+        # overridden to make the exception hashable
+        # see https://bugs.python.org/issue28603
+        return hash((self.code, self.message))
+
     @classmethod
     def invalid_args(cls, message):
         return cls(JSONRPC.INVALID_ARGS, message)

tests/test_jsonrpc.py

@@ -3,7 +3,7 @@
 import pytest
 
 from aiorpcx import *
-from aiorpcx.jsonrpc import Response
+from aiorpcx.jsonrpc import Response, CodeMessageError
 from util import RaiseTest, assert_RPCError, assert_ProtocolError
 from random import shuffle
 
@@ -79,6 +79,10 @@ class MyProtocol(JSONRPC):
         MyProtocol._request_args({})
 
 
+def test_exception_is_hashable():
+    hash(CodeMessageError(0, ''))  # see if raises
+
+
 # ENCODING