ci: validate import statements in modules (#204)

* ci: validate import statements in fixes

* ci: run import statement check

* scripts: fix return type

* scripts: fix RuntimeError

* scripts: fix ModuleNotFoundError

* scripts: fix ModuleNotFoundError

* scripts: add protonfixes to PYTHONPATH

* scripts: extend PYTHONPATH

* scripts: log PYTHONPATH

* scripts: fix ModuleNotFoundError

* scripts: fix ModuleNotFoundError

* check_imports: change to module directory

* check_imports: fix PYTHONPATH

* check_imports: fix PYTHONPATH

* check_imports: fix PYTHONPATH

* check_imports: pass PYTHONPATH to subprocess

* check_imports: fix PYTHONPATH to subprocess

* check_imports: fix IndexError

* workflows: rename directories

* workflows: install trio

* check_imports: refactor to use trio

* workflows: remove comma

* workflows: install trio

* check_imports: log success

* workflows: create protonfixes link

* check_imports: temporarily remove PYTHONPATH

* Revert "check_imports: temporarily remove PYTHONPATH"

This reverts commit aa7ad9d.

* workflows: only install trio from pip

* workflows: update name

* check_imports: update print

* check_imports: update comments

.github/scripts/check_imports.py

@@ -0,0 +1,45 @@
+import sys  # noqa: D100
+from shutil import which
+from trio import Path, run as async_run, open_nursery
+from trio.lowlevel import open_process
+
+EXCLUDES = ('__init__.py', 'default.py')
+
+PROJECT = Path(__file__).parent.parent.parent
+
+PROTON_VERB = 'waitforexitandrun'
+
+
+async def run_subproc(py_bin: str, file: Path) -> None:
+    """Run a module via the Python interpreter"""
+    path = await file.resolve(strict=True)
+    proc = await open_process(
+        [py_bin, str(path), PROTON_VERB],
+        cwd=str(path.parent),
+        env={'PYTHONPATH': str(PROJECT.parent)},
+    )
+    ret = await proc.wait()
+
+    if ret != 0:
+        err = f'The following file has an invalid import: {file}'
+        raise RuntimeError(err)
+
+    print(f"File '{file.parent / file.name}' has valid imports")
+
+
+async def main() -> None:
+    """Validate import statements for files in gamefixes-*. by running them."""
+    py_bin = which('python')
+
+    if not py_bin:
+        sys.exit(1)
+
+    async with open_nursery() as nursery:
+        for file in await PROJECT.rglob('gamefixes-*/*.py'):
+            if file.name.startswith(EXCLUDES):
+                continue
+            nursery.start_soon(run_subproc, py_bin, file)
+
+
+if __name__ == '__main__':
+    async_run(main)

.github/workflows/ci.yml

@@ -28,6 +28,7 @@ jobs:
           python3 -m pip install --upgrade pip
           pip install ruff
           pip install ijson
+          pip install trio
           pip install "git+https://github.com/njbooher/steam.git@wsproto#egg=steam[client]"
       - name: Lint with Shellcheck
         run: |
@@ -39,6 +40,12 @@ jobs:
         run: |
           python3 .github/scripts/check_gamefixes.py
           python3 .github/scripts/check_verbs.py
+      - name: Validate gamefix imports 
+        run: |
+          cd ..
+          ln -s umu-protonfixes protonfixes
+          cd protonfixes
+          python3 .github/scripts/check_imports.py
       - name: Test with unittest
         run: |
           python3 protonfixes_test.py