Set *Exception as Connection class attributes for PEP 249

Author: bigbes

tarantool/connection.py

@@ -19,6 +19,7 @@
 except ImportError:
     from ctypes import c_longlong as c_ssize_t
 
+import tarantool
 from tarantool.response import Response
 from tarantool.request import (
     Request,
@@ -62,6 +63,12 @@ class Connection(object):
                                  c_ssize_t, ctypes.c_int,
                                  use_errno=True)(_libc.recv)
 
+    Error = tarantool.error
+    DatabaseError = tarantool.error.DatabaseError
+    InterfaceError = tarantool.error.InterfaceError
+    SchemaError = tarantool.error.SchemaError
+    NetworkError = tarantool.error.NetworkError
+
     def __init__(self, host, port,
                  user=None,
                  password=None,