Merge pull request #288 from IlyaSkriblovsky/deprecation-warnings

Deprecation warnings

Author: psi29a

docs/source/NEWS.rst

@@ -1,12 +1,13 @@
 Changelog
 =========
 
-Release UPCOMING (yyyy-mm-dd)
------------------------------
+Release 24.0.0 (2024-09-18)
+---------------------------
 
 API Changes
 ^^^^^^^^^^^
 
+- This is the last release that supports Python <3.8 and MongoDB <4.0
 - PyMongo 4+ is now supported. If you will migrate from PyMongo 3 to PyMongo 4, please be sure
   to check their PyMongo's guide because newer version has a number of incompatible changes.
 

docs/source/conf.py

@@ -51,14 +51,14 @@
 
 # General information about the project.
 project = 'TxMongo'
-copyright = '2021, Alexandre Fiori, Bret Curtis, Ilya Skriblovsky'
+copyright = '2024, Alexandre Fiori, Bret Curtis, Ilya Skriblovsky'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = '23.0.0'
+version = '24.0.0'
 # The full version, including alpha/beta/rc tags.
 release = version
 

python-txmongo.spec

@@ -1,5 +1,5 @@
 Name:		python-txmongo
-Version:	23.0.0
+Version:	24.0.0
 Release:	1%{?dist}
 Summary:	Twisted driver for MongoDB
 

setup.py

@@ -3,7 +3,7 @@
 
 setup(
     name="txmongo",
-    version="23.0.0",
+    version="24.0.0",
     description="Asynchronous Python driver for MongoDB <http://www.mongodb.org>",
     author="Alexandre Fiori, Bret Curtis",
     author_email="fiorix@gmail.com, psi29a@gmail.com",

txmongo/__init__.py

@@ -3,6 +3,9 @@
 # Use of this source code is governed by the Apache License that can be
 # found in the LICENSE file.
 
+import sys
+import warnings
+
 from txmongo.database import Database
 from txmongo.protocol import MongoProtocol, Query
 from txmongo.connection import MongoConnection, MongoConnectionPool, lazyMongoConnection, \
@@ -16,3 +19,6 @@
 assert MongoConnectionPool
 assert lazyMongoConnection
 assert lazyMongoConnectionPool
+
+if sys.version_info < (3, 8):
+    warnings.warn("Only Python 3.8+ will be supported in the next version of TxMongo", DeprecationWarning)

txmongo/connection.py

@@ -2,6 +2,8 @@
 # Use of this source code is governed by the Apache License that can be
 # found in the LICENSE file.
 
+import warnings
+
 from bson.codec_options import DEFAULT_CODEC_OPTIONS
 from pymongo.errors import AutoReconnect, ConfigurationError, OperationFailure
 from pymongo.read_preferences import ReadPreference
@@ -119,6 +121,10 @@ def configure(self, proto):
         proto.set_wire_versions(config.get("minWireVersion", 0),
                                 config.get("maxWireVersion", 0))
 
+        # MongoDB < 4.0
+        if proto.max_wire_version < 7:
+            warnings.warn("MongoDB <4.0 support will be dropped in the next version of TxMongo", DeprecationWarning)
+
         # Track the other hosts in the replica set.
         hosts = config.get("hosts")
         if isinstance(hosts, list) and hosts: