Move buildbackend from setuptools/pbr to hatchling

.github/workflows/python-package.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install testtools pbr ruff
+        python -m pip install testtools ruff
     - name: Run ruff
       run: |
         python -m ruff check .

.gitignore

@@ -1,7 +1,6 @@
 TAGS
 tags
 lib/testtools
-MANIFEST
 build
 dist
 *~
@@ -11,5 +10,5 @@ testscenarios.egg-info
 *.pyc
 __pycache__
 *.egg
-ChangeLog
-AUTHORS
+testscenarios/_version.py
+tox.ini

Makefile

@@ -1,5 +1,5 @@
 PYTHONPATH:=$(shell pwd):${PYTHONPATH}
-PYTHON ?= python
+PYTHON ?= python3
 
 all: check
 
@@ -16,7 +16,4 @@ TAGS: testscenarios/*.py testscenarios/tests/*.py
 tags: testscenarios/*.py testscenarios/tests/*.py
 	ctags -R testscenarios/
 
-release:
-	python setup.py sdist bdist_wheel upload -s
-
-.PHONY: all check release
+.PHONY: all check

pyproject.toml

@@ -0,0 +1,65 @@
+[build-system]
+requires = ["hatchling", "hatch-vcs"]
+build-backend = "hatchling.build"
+
+[project]
+name = "testscenarios"
+description = "Testscenarios, a pyunit extension for dependency injection"
+readme = "README.rst"
+classifiers = [
+    "Development Status :: 6 - Mature",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
+    "Topic :: Software Development :: Quality Assurance",
+    "Topic :: Software Development :: Testing",
+]
+authors = [{name = "Testing-cabal", email = "[email protected]"}]
+license = {text = "Apache-2.0 or BSD"}
+requires-python = ">=3.10"
+dynamic = ["version"]
+
+[project.urls]
+Homepage = "https://launchpad.net/testscenarios"
+"Bug Tracker" = "https://bugs.launchpad.net/testscenarios"
+"Source Code" = "https://github.com/testing-cabal/testscenarios"
+
+[project.optional-dependencies]
+"test" = ["testtools"]
+
+[tool.hatch.version]
+source = "vcs"
+
+[tool.hatch.build.hooks.vcs]
+version-file = "testscenarios/_version.py"
+tag-pattern = "^(testtools-)?(?P<version>[0-9]+(\\.[0-9]+)*(-[0-9]+)?)(\\.post(?P<post>[0-9]+))?$"
+template = """\
+# This file is automatically generated by hatch.
+version = {version!r}
+__version__ = {version_tuple!r}
+"""
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "testscenarios*",
+    "APACHE-2.0",
+    "AUTHORS",
+    "BSD",
+    "ChangeLog",
+    "COPYING",
+    "GOALS",
+    "HACKING",
+    "Makefile",
+    "NEWS",
+    "README.rst",
+    "tox.ini",
+    "doc/*.py",
+    ]

requirements.txt

@@ -1,2 +1 @@
-pbr >= 0.11
 testtools

testscenarios/__init__.py

@@ -27,23 +27,6 @@
 methods for details.
 """
 
-# same format as sys.version_info: "A tuple containing the five components of
-# the version number: major, minor, micro, releaselevel, and serial. All
-# values except releaselevel are integers; the release level is 'alpha',
-# 'beta', 'candidate', or 'final'. The version_info value corresponding to the
-# Python version 2.0 is (2, 0, 0, 'final', 0)."  Additionally we use a
-# releaselevel of 'dev' for unreleased under-development code.
-#
-# If the releaselevel is 'alpha' then the major/minor/micro components are not
-# established at this point, and setup.py will use a version of next-$(revno).
-# If the releaselevel is 'final', then the tarball will be major.minor.micro.
-# Otherwise it is major.minor.micro~$(revno).
-from pbr.version import VersionInfo
-
-_version = VersionInfo("testscenarios")
-__version__ = _version.semantic_version().version_tuple()
-version = _version.release_string()
-
 __all__ = [
     "TestWithScenarios",
     "WithScenarios",
@@ -53,6 +36,7 @@
     "load_tests_apply_scenarios",
     "multiply_scenarios",
     "per_module_scenarios",
+    "__version__",
 ]
 
 
@@ -76,3 +60,53 @@ def test_suite():
 def load_tests(standard_tests, module, loader):
     standard_tests.addTests(loader.loadTestsFromNames(["testscenarios.tests"]))
     return standard_tests
+
+
+def __get_git_version():
+    import os
+    import subprocess
+
+    cwd = os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir)
+
+    try:
+        out = subprocess.check_output(
+            ["git", "describe"], stderr=subprocess.STDOUT, cwd=cwd
+        )
+    except (OSError, subprocess.CalledProcessError):
+        return None
+
+    try:
+        version = out.strip().decode("utf-8")
+    except UnicodeDecodeError:
+        return None
+
+    if "-" in version:  # after tag
+        # convert version-N-githash to version.postN+githash
+        return version.replace("-", ".post", 1).replace("-g", "+git", 1)
+    else:
+        return version
+
+
+# same format as sys.version_info: "A tuple containing the five components of
+# the version number: major, minor, micro, releaselevel, and serial. All
+# values except releaselevel are integers; the release level is 'alpha',
+# 'beta', 'candidate', or 'final'. The version_info value corresponding to the
+# Python version 2.0 is (2, 0, 0, 'final', 0)."  Additionally we use a
+# releaselevel of 'dev' for unreleased under-development code.
+#
+# If the releaselevel is 'alpha' then the major/minor/micro components are not
+# established at this point, and setup.py will use a version of next-$(revno).
+# If the releaselevel is 'final', then the tarball will be major.minor.micro.
+# Otherwise it is major.minor.micro~$(revno).
+
+try:
+    from ._version import __version__, version
+except ModuleNotFoundError:
+    # package is not installed
+    if version := __get_git_version():
+        # we're in a git repo
+        __version__ = tuple([int(v) if v.isdigit() else v for v in version.split(".")])
+    else:
+        # we're working with a tarball or similar
+        version = "0.0.0"
+        __version__ = (0, 0, 0)

testscenarios/tests/test_scenarios.py

@@ -204,7 +204,7 @@ def test_load_tests_apply_scenarios(self):
             unittest.TestLoader(), [self.SampleTest("test_nothing")], None
         )
         result_tests = list(testtools.iterate_tests(suite))
-        self.assertEquals(2, len(result_tests), result_tests)
+        self.assertEqual(2, len(result_tests), result_tests)
 
     def test_load_tests_apply_scenarios_old_style(self):
         """Call load_tests in the way used by bzr."""
@@ -214,7 +214,7 @@ def test_load_tests_apply_scenarios_old_style(self):
             unittest.TestLoader(),
         )
         result_tests = list(testtools.iterate_tests(suite))
-        self.assertEquals(2, len(result_tests), result_tests)
+        self.assertEqual(2, len(result_tests), result_tests)
 
 
 class TestMultiplyScenarios(testtools.TestCase):