Trasnfer code from fmf_metadata directly to FMF

fmf/plugin_loader.py

@@ -34,12 +34,15 @@ def enabled_plugins():
     plugins = os.getenv(PLUGIN_ENV).split(",") if os.getenv(PLUGIN_ENV) else []
     plugin_list = list()
     for item in plugins:
-        loader = importlib.machinery.SourceFileLoader(
-            os.path.basename(item), item)
-        module = importlib.util.module_from_spec(
-            importlib.util.spec_from_loader(loader.name, loader)
-        )
-        loader.exec_module(module)
+        if os.path.exists(item):
+            loader = importlib.machinery.SourceFileLoader(
+                os.path.basename(item), item)
+            module = importlib.util.module_from_spec(
+                importlib.util.spec_from_loader(loader.name, loader)
+            )
+            loader.exec_module(module)
+        else:
+            module = importlib.import_module(item)
         for name, plugin in inspect.getmembers(module):
             if inspect.isclass(plugin) and plugin != Plugin and issubclass(
                     plugin, Plugin):

fmf/plugins/pytest/__init__.py

@@ -0,0 +1,2 @@
+from fmf.plugins.pytest.tmt_semantic import TMT
+from fmf.plugins.pytest.plugin import Pytest

fmf/plugins/pytest/constants.py

@@ -0,0 +1,13 @@
+CONFIG_POSTPROCESSING_TEST = "test_postprocessing"
+PYTEST_DEFAULT_CONF = {
+    CONFIG_POSTPROCESSING_TEST: {
+        "test": """
+cls_str = ("::" + str(cls.name)) if cls.name else ""
+escaped = shlex.quote(f"{filename}{cls_str}::{test.name}")
+f"python3 -m pytest -m '' -v {escaped}" """
+    }
+}
+CONFIG_MERGE_PLUS = "merge_plus"
+CONFIG_MERGE_MINUS = "merge_minus"
+CONFIG_ADDITIONAL_KEY = "additional_keys"
+CONFIG_POSTPROCESSING_TEST = "test_postprocessing"