Fix Python 3.14 compatibility. Closes #180

Author: firecat53

keepmenu/__main__.py

@@ -4,6 +4,7 @@
 import argparse
 import configparser
 from contextlib import closing
+import multiprocessing
 from multiprocessing import Event, Process, Pipe
 from multiprocessing.managers import BaseManager
 import os
@@ -17,6 +18,10 @@
 import keepmenu
 from keepmenu.keepmenu import DmenuRunner
 
+# Python 3.14 changes the default to 'forkserver' on Linux.
+# Set to 'fork' for backward compatibility.
+multiprocessing.set_start_method('fork')
+
 
 def find_free_port():
     """Find random free port to use for BaseManager server

pyproject.toml

@@ -32,6 +32,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Utilities",
 ]
 dependencies = [