Use packaging.version instead of pkg_resources (sezanzeb#966)

pkg_resources is deprecated, this removes one set of uses.

Signed-off-by: Stephen Kitt <steve@sk2.org>

inputremapper/configs/mapping.py

@@ -21,9 +21,9 @@
 
 import enum
 from collections import namedtuple
+from packaging import version
 from typing import Optional, Callable, Tuple, TypeVar, Union, Any, Dict
 
-import pkg_resources
 from evdev.ecodes import (
     EV_KEY,
     EV_ABS,
@@ -84,9 +84,7 @@
 # TODO: remove pydantic VERSION check as soon as we no longer support
 #  Ubuntu 20.04 and with it the ancient pydantic 1.2
 
-needs_workaround = pkg_resources.parse_version(
-    str(VERSION)
-) < pkg_resources.parse_version("1.7.1")
+needs_workaround = version.parse(str(VERSION)) < version.parse("1.7.1")
 
 
 EMPTY_MAPPING_NAME: str = _("Empty Mapping")

inputremapper/configs/migrations.py

@@ -30,9 +30,9 @@
 import re
 import shutil
 from pathlib import Path
+from packaging import version
 from typing import Iterator, Tuple, Dict, List
 
-import pkg_resources
 from evdev.ecodes import (
     EV_KEY,
     EV_ABS,
@@ -86,15 +86,15 @@ def config_version():
     config_path = os.path.join(CONFIG_PATH, "config.json")
 
     if not os.path.exists(config_path):
-        return pkg_resources.parse_version("0.0.0")
+        return version.parse("0.0.0")
 
     with open(config_path, "r") as file:
         config = json.load(file)
 
     if "version" in config.keys():
-        return pkg_resources.parse_version(config["version"])
+        return version.parse(config["version"])
 
-    return pkg_resources.parse_version("0.0.0")
+    return version.parse("0.0.0")
 
 
 def _config_suffix():
@@ -481,27 +481,27 @@ def migrate():
 
     v = config_version()
 
-    if v < pkg_resources.parse_version("0.4.0"):
+    if v < version.parse("0.4.0"):
         _config_suffix()
         _preset_path()
 
-    if v < pkg_resources.parse_version("1.2.2"):
+    if v < version.parse("1.2.2"):
         _mapping_keys()
 
-    if v < pkg_resources.parse_version("1.4.0"):
+    if v < version.parse("1.4.0"):
         global_uinputs.prepare_all()
         _add_target()
 
-    if v < pkg_resources.parse_version("1.4.1"):
+    if v < version.parse("1.4.1"):
         _otherwise_to_else()
 
-    if v < pkg_resources.parse_version("1.5.0"):
+    if v < version.parse("1.5.0"):
         _remove_logs()
 
-    if v < pkg_resources.parse_version("1.6.0-beta"):
+    if v < version.parse("1.6.0-beta"):
         _convert_to_individual_mappings()
 
     # add new migrations here
 
-    if v < pkg_resources.parse_version(VERSION):
+    if v < version.parse(VERSION):
         _update_version()

tests/unit/test_migrations.py

@@ -20,7 +20,7 @@
 import unittest
 import shutil
 import json
-import pkg_resources
+from packaging import version
 
 from evdev.ecodes import (
     EV_KEY,
@@ -380,7 +380,7 @@ def test_add_version(self):
             file.write("{}")
 
         migrate()
-        self.assertEqual(pkg_resources.parse_version(VERSION), config_version())
+        self.assertEqual(version.parse(VERSION), config_version())
 
     def test_update_version(self):
         path = os.path.join(CONFIG_PATH, "config.json")
@@ -389,7 +389,7 @@ def test_update_version(self):
             json.dump({"version": "0.1.0"}, file)
 
         migrate()
-        self.assertEqual(pkg_resources.parse_version(VERSION), config_version())
+        self.assertEqual(version.parse(VERSION), config_version())
 
     def test_config_version(self):
         path = os.path.join(CONFIG_PATH, "config.json")