PYTHON-5310 [v4.12] Fix uri_parser AttributeError when used directly (#2283) (#2302)

Co-authored-by: Noah Stapp <noah.stapp@mongodb.com>

Author: ShaneHarvey

doc/changelog.rst

@@ -8,6 +8,7 @@ Version 4.12.1 is a bug fix release.
 
 - Fixed a bug that could raise ``UnboundLocalError`` when creating asynchronous connections over SSL.
 - Fixed a bug causing SRV hostname validation to fail when resolver and resolved hostnames are identical with three domain levels.
+- Fixed a bug that caused direct use of ``pymongo.uri_parser`` to raise an ``AttributeError``.
 
 Issues Resolved
 ...............

pymongo/__init__.py

@@ -105,6 +105,9 @@
 from pymongo.synchronous.mongo_client import MongoClient
 from pymongo.write_concern import WriteConcern
 
+# Public module compatibility imports
+import pymongo.uri_parser  # noqa: F401 # isort: skip
+
 version = __version__
 """Current version of PyMongo."""
 

test/test_default_exports.py

@@ -209,6 +209,13 @@ def test_pymongo_imports(self):
         )
         from pymongo.write_concern import WriteConcern, validate_boolean
 
+    def test_pymongo_submodule_attributes(self):
+        import pymongo
+
+        self.assertTrue(hasattr(pymongo, "uri_parser"))
+        self.assertTrue(pymongo.uri_parser)
+        self.assertTrue(pymongo.uri_parser.parse_uri)
+
     def test_gridfs_imports(self):
         import gridfs
         from gridfs.errors import CorruptGridFile, FileExists, GridFSError, NoFile