src/bin/sage-runtests: Do not run pytest on individual Python files unless they match the pytest file pattern

Author: Matthias Koeppe

src/bin/sage-runtests

@@ -154,10 +154,15 @@ if __name__ == "__main__":
         pytest_options = ["--import-mode", "importlib"]
         if args.verbose:
             pytest_options.append("-v")
-        exit_code_pytest = pytest.main(pytest_options + args.filenames)
-        if exit_code_pytest == 5:
-            # Exit code 5 means there were no test files, pass in this case
-            exit_code_pytest = 0
+        # 31914: Do not run pytest on individual Python files unless
+        # they match the pytest file pattern
+        filenames = [f for f in args.filenames
+                     if f.endswith("_test.py") or not f.endswith(".py")]
+        if filenames or not args.filenames:
+            exit_code_pytest = pytest.main(pytest_options + filenames)
+            if exit_code_pytest == 5:
+                # Exit code 5 means there were no test files, pass in this case
+                exit_code_pytest = 0
 
     except ModuleNotFoundError:
         print("Pytest is not installed, skip checking tests that rely on it.")