Import fetchers

personal_data/__main__.py

@@ -7,6 +7,10 @@ from personal_data.notification import NotificationType
 
 def parse_arguments():
     available_scraper_names = personal_data.main.available_scraper_names()
+    if len(available_scraper_names) == 0:
+        msg = 'Failed to load any scrapers'
+        raise Exception(msg)
+
     parser = argparse.ArgumentParser(
         epilog='Available fetchers: ' + ' '.join(available_scraper_names),
     )

personal_data/main.py

@@ -64,6 +64,7 @@ def get_session(
 
 
 def available_scrapers() -> list[type[data.Scraper]]:
+    from . import fetchers
     subclasses = []
     class_queue = [data.Scraper]
     while class_queue:

test/test_main.py

@@ -0,0 +1,7 @@
+import personal_data.main
+
+
+def test_available():
+    names = personal_data.main.available_scraper_names()
+    assert len(names) > 0
+