Use PyMongoError instead of BaseMongoDBException

Note that this is changing the exception hierarchy somewhat as well,
as I would rather not muck things up with multiple inheritance. This
is a breaking change if you depend on ConnectionFailure being an
IOError or InvalidBSON being a ValueError, for example. If this
creates issues for anybody please let us know and we can figure out a
better workaround.

Also add Michael to contributors list.

doc/contributors.rst

@@ -16,3 +16,4 @@ The following is a list of people who have contributed to
 - Andrey Fedorov (andreyf)
 - Joshua Roesslein (joshthecoder)
 - Gregg Lind (gregglind)
+- Michael Schurter (schmichael)

pymongo/errors.py

@@ -14,10 +14,13 @@
 
 """Exceptions raised by the Mongo driver."""
 
-class BaseMongoDBException(Exception):
-    """Common base class for all MongoDB exceptions"""
+class PyMongoError(Exception):
+    """Base class for all PyMongo exceptions.
 
-class ConnectionFailure(BaseMongoDBException, IOError):
+    .. versionadded:: 1.3+
+    """
+
+class ConnectionFailure(PyMongoError):
     """Raised when a connection to the database cannot be made or is lost.
     """
 
@@ -34,12 +37,12 @@ class AutoReconnect(ConnectionFailure):
     """
 
 
-class ConfigurationError(BaseMongoDBException):
+class ConfigurationError(PyMongoError):
     """Raised when something is incorrectly configured.
     """
 
 
-class OperationFailure(BaseMongoDBException):
+class OperationFailure(PyMongoError):
     """Raised when a database operation fails.
     """
 
@@ -51,36 +54,36 @@ class DuplicateKeyError(OperationFailure):
     """
 
 
-class InvalidOperation(BaseMongoDBException):
+class InvalidOperation(PyMongoError):
     """Raised when a client attempts to perform an invalid operation.
     """
 
 
-class CollectionInvalid(BaseMongoDBException):
+class CollectionInvalid(PyMongoError):
     """Raised when collection validation fails.
     """
 
 
-class InvalidName(BaseMongoDBException, ValueError):
+class InvalidName(PyMongoError):
     """Raised when an invalid name is used.
     """
 
 
-class InvalidBSON(BaseMongoDBException, ValueError):
+class InvalidBSON(PyMongoError):
     """Raised when trying to create a BSON object from invalid data.
     """
 
 
-class InvalidStringData(BaseMongoDBException, ValueError):
+class InvalidStringData(PyMongoError):
     """Raised when trying to encode a string containing non-UTF8 data.
     """
 
 
-class InvalidDocument(BaseMongoDBException, ValueError):
+class InvalidDocument(PyMongoError):
     """Raised when trying to create a BSON object from an invalid document.
     """
 
 
-class InvalidId(BaseMongoDBException, ValueError):
+class InvalidId(PyMongoError):
     """Raised when trying to create an ObjectId from invalid data.
     """

test/test_collection.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 """Test the collection module."""
+
 import warnings
 import unittest
 import re

test/test_errors.py

@@ -1,16 +1,32 @@
-# -*- coding: utf-8 -*-
+# Copyright 2009 10gen, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 """Test the errors module."""
 
 import unittest
+import sys
+sys.path[0:0] = [""]
 
-import pymongo
-from pymongo.errors import BaseMongoDBException
+from pymongo import Connection
+from pymongo.errors import PyMongoError
 
 
 class TestErrors(unittest.TestCase):
+
     def test_base_exception(self):
-        self.assertRaises(BaseMongoDBException, pymongo.Connection, port=0)
+        self.assertRaises(PyMongoError, Connection, port=0)
+
 
 if __name__ == '__main__':
     unittest.main()