Merge pull request #33949 from toabctl/import-tasks-with-py3

qa: Add a tox env that can test importing files

Reviewed-by: Kefu Chai <kchai@redhat.com>

qa/test_import.py

@@ -0,0 +1,43 @@
+# try to import all .py files from a given directory
+
+import argparse
+import glob
+import os
+import importlib
+import importlib.util
+
+
+def _module_name(path):
+    task = os.path.splitext(path)[0]
+    parts = task.split(os.path.sep)
+    package = parts[0]
+    name = ''.join('.' + c for c in parts[1:])
+    return package, name
+
+def _import_file(path):
+    package, mod_name = _module_name(path)
+    line = f'Importing {package}{mod_name} from {path}'
+    print(f'{line:<80}', end='')
+    mod_spec = importlib.util.find_spec(mod_name, package)
+    mod = mod_spec.loader.load_module()
+    if mod is None:
+        result = 'FAIL'
+    else:
+        result = 'DONE'
+    print(f'{result:>6}')
+    mod_spec.loader.exec_module(mod)
+
+def _parser():
+    parser = argparse.ArgumentParser(
+        description='Try to import a file',
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+    parser.add_argument('path', nargs='+', help='Glob to select files')
+    return parser
+
+
+if __name__ == '__main__':
+    parser = _parser()
+    args = parser.parse_args()
+    for g in args.path:
+        for p in glob.glob(g, recursive=True):
+            _import_file(p)

qa/tox.ini

@@ -18,3 +18,8 @@ commands=flake8 --select=F,E9 --exclude=venv,.tox
 basepython = python3
 deps = mypy==0.770
 commands = mypy {posargs:.}
+
+[testenv:import-tasks]
+basepython = python3
+deps = {env:TEUTHOLOGY_GIT:git+https://github.com/ceph/teuthology.git@master}#egg=teuthology[coverage,orchestra,test]
+commands = python test_import.py {posargs:tasks/**/*.py}