Replace pkg_resources with importlib and regenerate lockfile/requirements

Lockfile diff: lockfiles/st2.lock [st2]
==                    Upgraded dependencies                     ==
  cryptography                   46.0.5       -->   46.0.6
  requests                       2.32.5       -->   2.33.0
  tomli                          2.4.0        -->   2.4.1
==                      Added dependencies                      ==
  importlib-resources            6.5.2

Author: nzlosh

CHANGELOG.rst

@@ -4,15 +4,26 @@ Changelog
 in development - unreleased
 ---------------------------
 
-Python3.8 and Python3.9 support has been removed.
-This release adds support for Python3.12, so StackStorm supports Python versions 3.10 - 3.12
+This release is tested with and supports the following Python versions and 3rd party dependencies.
+
+```
+Python      3.10, 3.11 and 3.12
+MongoDB     8.2
+RabbitMQ    4.2
+Redis       8.6
+```
+
 
 Fixed
 ~~~~~
 
+
 Changed
 ~~~~~~~
-
+ * Removed Python 3.8 and 3.9 from testing and CI/CD.
+ * Removed mongodb 7.0, rabbitmq 3.13 and redis 8.0
+ * Replaced deprecated `pkg_resources` module with `importlib-metadata` and `importlib-resources`.
+ 
 Added
 ~~~~~
 

fixed-requirements.txt

@@ -20,6 +20,9 @@ gitdb==4.0.12
 # Note: greenlet is used by eventlet
 greenlet==3.1.1
 gunicorn==23.0.0
+# importlib backport to replace pkg_resrouce from setuptools.
+importlib-metadata==6.5
+importlib-resources==5.12
 jsonpath-rw==1.4.0
 # Using jsonschema>=4.18.0 requires refactoring/debugging use of $ref.
 jsonschema==4.17.3

lockfiles/st2.lock

@@ -21,6 +21,9 @@ gitpython
 # st2common/tests/integration/test_util_green.py requires greenlet (as does eventlet)
 greenlet
 gunicorn
+# importlib backport to replace pkg_resource from setuptools.
+importlib-metadata
+importlib-resources
 jinja2
 jsonpath-rw
 jsonschema

requirements-pants.txt

@@ -15,7 +15,7 @@
 
 from __future__ import absolute_import
 import os
-from pkg_resources import get_distribution
+from importlib_metadata import get_distribution
 
 from st2common.constants.pack import USER_PACK_NAME_BLACKLIST
 

st2common/st2common/content/validators.py

@@ -118,12 +118,13 @@ def get_metadata(package_name):
 
     :rtype: ``list`` of ``dict``
     """
-    import pkg_resources
+    import importlib_resources
 
-    file_path = pkg_resources.resource_filename(package_name, MANIFEST_FILE_NAME)
+    ref = importlib_resources.files(package_name) / MANIFEST_FILE_NAME
 
-    with open(file_path, "r") as fp:
-        content = fp.read()
+    with importlib_resources.as_file(ref) as file_path:
+        with open(file_path, "r") as fp:
+            content = fp.read()
 
     metadata = yaml.safe_load(content)
     return metadata

st2common/st2common/runners/base.py

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 from __future__ import absolute_import
-import pkg_resources
+import importlib_resources
 
 import jinja2
 
@@ -42,7 +42,8 @@ def load_spec(module_name, spec_file):
 
 
 def generate_spec(module_name, spec_file):
-    spec_template = pkg_resources.resource_string(module_name, spec_file)
+    ref = importlib_resources.files(module_name).joinpath(spec_file)
+    spec_template = ref.read_bytes()
     if not isinstance(spec_template, str):
         spec_template = spec_template.decode()
     spec_string = jinja2.Template(spec_template).render(**ARGUMENTS)