Convert install_requirement.py to a module

.github/workflows/ci.yml

@@ -83,7 +83,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install --upgrade setuptools build wheel
         # Utility script installs tox as defined in pyproject.toml
-        python install_requirement.py tox --extra dev
+        python -m install_requirement --extra dev tox
 
     - name: Test
       id: test
@@ -128,7 +128,7 @@ jobs:
         python -m pip install --upgrade pip
         python -m pip install --upgrade setuptools build wheel
         # Utility script installs tox as defined in pyproject.toml
-        python install_requirement.py tox --extra dev
+        python -m install_requirement --extra dev tox
 
     - name: Retrieve Coverage Data
       uses: actions/[email protected]

MANIFEST.in

@@ -3,7 +3,7 @@ include README.rst
 include AUTHORS
 include LICENSE
 include docs/spelling_wordlist
-include install_requirement.py
+include install_requirement/*.py
 include pyproject.toml
 include tests/integrations/xcode/simctl/README
 include tox.ini

install_requirement/__main__.py

@@ -0,0 +1,6 @@
+import sys
+
+from .install_requirement import main
+
+if __name__ == "__main__":
+    sys.exit(main())

install_requirement.py → install_requirement/install_requirement.py

@@ -111,9 +111,9 @@ def gather_requirements(
     project_root = Path(project_root).resolve()
     project_metadata = project_wheel_metadata(project_root, isolated=False)
     project_requirements = [
-        req
-        for req in map(Requirement, project_metadata.get_all("Requires-Dist"))
-        if not req.marker or req.marker.evaluate(environment={"extra": extra_name})
+        requirement
+        for requirement in map(Requirement, project_metadata.get_all("Requires-Dist"))
+        if not requirement.marker or requirement.marker.evaluate({"extra": extra_name})
     ]
 
     matching_requirements = [
@@ -124,7 +124,8 @@ def gather_requirements(
 
     if not matching_requirements:
         raise NoRequirementsFound(
-            f"No requirements matched requested requirements: {', '.join(requested_requirements)}.\n\n"
+            f"No requirements matched requested requirements: "
+            f"{', '.join(requested_requirements)}.\n\n"
             f"The requirements below were evaluated for matching:\n "
             f"{f'{chr(10)} '.join(req.name for req in project_requirements)}",
             error_no=1,
@@ -150,8 +151,6 @@ def install_requirements(requirements: list[Requirement]):
             check=True,
         )
 
-    return 0
-
 
 def main():
     ret_code = 0

tox.ini

@@ -23,7 +23,8 @@ download = True
 # 2023-04-22 see pkgenv ↑
 download = {[pkgenv]download}
 skip_install = True
-commands_pre = python {tox_root}{/}tests{/}env_utils.py install-req pre-commit
+deps = build
+commands_pre = python -m install_requirement --extra dev --project-root "{tox_root}" pre-commit
 commands = pre-commit run --all-files --show-diff-on-failure --color=always
 
 [testenv:py{,38,39,310,311,312}{,-fast}]
@@ -68,10 +69,13 @@ setenv =
     {platform,project}: COVERAGE_EXCLUDE_PYTHON_VERSION=disable
     # disable conditional coverage exclusions for host platform to test entire project
     project: COVERAGE_EXCLUDE_PLATFORM=disable
-deps = build
+deps =
+    build
+    setuptools
+    wheel
 commands_pre =
     python --version
-    python {tox_root}{/}install_requirement.py coverage --extra dev --project-root {tox_root}
+    python -m install_requirement --extra dev --project-root "{tox_root}" coverage
 commands =
     -python -m coverage combine {env:COMBINE_FLAGS}
     html: python -m coverage html --skip-covered --skip-empty