tests: use importlib.metadata instad of pkg_resources

requirements/dev-requirements.in

@@ -7,4 +7,3 @@ pytest-env
 pytest-xdist
 pytest-timeout
 pyftpdlib
-setuptools

requirements/dev-requirements.txt

@@ -7,7 +7,6 @@ pytest-env==1.1.5
 pytest-xdist==3.6.1
 pytest-timeout==2.3.1
 pyftpdlib==2.0.1
-setuptools==75.6.0
 ## The following requirements were added by pip freeze:
 astroid==3.3.7
 dill==0.3.9

tests/conftest.py

@@ -16,8 +16,8 @@
 #        Tristan Maat <tristan.maat@codethink.co.uk>
 #
 import os
+import sys
 
-import pkg_resources
 import pytest
 
 from buildstream._testing import register_repo_kind, sourcetests_collection_hook
@@ -29,6 +29,11 @@
 
 from tests.testutils.repo.tar import Tar
 
+if sys.version_info >= (3, 10):
+    from importlib.metadata import entry_points
+else:
+    from importlib_metadata import entry_points
+
 
 #
 # This file is loaded by pytest, we use it to add a custom
@@ -132,7 +137,7 @@ def remote_services(request):
 def pytest_sessionstart(session):
     if session.config.getvalue("plugins"):
         # Enable all plugins that implement the 'buildstream.tests.source_plugins' hook
-        for entrypoint in pkg_resources.iter_entry_points("buildstream.tests.source_plugins"):
+        for entrypoint in entry_points(group="buildstream.tests.source_plugins"):
             module = entrypoint.load()
             module.register_sources()
 

tests/testutils/site.py

@@ -20,10 +20,10 @@
 # to test that BuildStream works when integrated in your system.
 #
 def pip_sample_packages():
-    import pkg_resources
+    import importlib.metadata
 
     required = {"sample-plugins"}
-    installed = {pkg.key for pkg in pkg_resources.working_set}  # pylint: disable=not-an-iterable
+    installed = {dist.name for dist in importlib.metadata.distributions()}
     missing = required - installed
 
     if missing:

tox.ini

@@ -167,6 +167,7 @@ commands =
 deps =
     -rrequirements/requirements.txt
     -rrequirements/dev-requirements.txt
+    setuptools
     Cython
 
 #
@@ -179,7 +180,6 @@ commands =
 deps =
     mypy==1.13.0
     types-protobuf==5.28.3.20241030
-    types-setuptools==75.6.0.20241126
     types-ujson==5.10.0.20240515
     -rrequirements/requirements.txt
     -rrequirements/dev-requirements.txt