im lost

royalnet/royalgamesweb.py

@@ -9,4 +9,7 @@ class TestConfig:
 
 
 app = create_app(TestConfig, [helloworld.bp])
-app.run()
+
+
+if __name__ == "__main__":
+    app.run()

royalnet/web/__init__.py

@@ -1,3 +1,4 @@
 from .flaskserver import create_app
+from .royalprint import Royalprint
 
-__all__ = ["create_app"]
+__all__ = ["create_app", "Royalprint"]

royalnet/web/alchemyhandler.py

@@ -1,18 +0,0 @@
-import flask as f
-import werkzeug.local
-
-
-def get_alchemy_session():
-    if "alchemy_session" not in f.g:
-        f.g.alchemy_session = f.g.alchemy.Session()
-    return f.g.alchemy_session
-
-
-@f.current_app.teardown_appcontext
-def teardown_alchemy_session(*_, **__):
-    _alchemy_session = f.g.pop("alchemy_session", None)
-    if _alchemy_session is not None:
-        _alchemy_session.close()
-
-
-alchemy_session = werkzeug.local.LocalProxy(get_alchemy_session)

royalnet/web/blueprints/helloworld.py

@@ -1,9 +1,24 @@
 import flask as f
+from .. import Royalprint
+from ...database.tables import Royal
 
 
-bp = f.Blueprint("helloworld", __name__, url_prefix="/helloworld")
+bp = Royalprint("helloworld", __name__, url_prefix="/helloworld", required_tables={Royal})
 
 
 @bp.route("/")
 def helloworld():
-    return "Hello world!"
+    royals = f.g.alchemy_session.query(f.g.alchemy.Royal).all()
+    return repr(royals)
+
+
+@bp.before_request
+def before_request():
+    f.g.alchemy_session = f.g.alchemy.Session()
+
+
+@bp.after_request
+def after_request():
+    alchemy_session = f.g.pop("alchemy_session", None)
+    if alchemy_session is not None:
+        alchemy_session.close()

royalnet/web/flaskserver.py

@@ -1,13 +1,16 @@
 import typing
 import flask as f
 from ..database import Alchemy
+from .royalprint import Royalprint
 
 
-def create_app(config_obj: typing.Type, blueprints: typing.List[f.Blueprint]):
+def create_app(config_obj: typing.Type, blueprints: typing.List[Royalprint]):
     app = f.Flask(__name__)
     app.config.from_object(config_obj)
-    with app.app_context():
-        f.g.alchemy = Alchemy(app.config["DB_PATH"], app.config["REQUIRED_TABLES"])
+    required_tables = set()
     for blueprint in blueprints:
+        required_tables.union(blueprint.required_tables)
         app.register_blueprint(blueprint)
+    with app.app_context():
+        f.g.alchemy = Alchemy(app.config["DB_PATH"], required_tables)
     return app

royalnet/web/royalprint.py

@@ -0,0 +1,16 @@
+import typing
+import flask as f
+
+
+class Royalprint(f.Blueprint):
+    def __init__(self, name, import_name, static_folder=None,
+                 static_url_path=None, template_folder=None,
+                 url_prefix=None, subdomain=None, url_defaults=None,
+                 root_path=None, required_tables: typing.Optional[set] = None):
+        super().__init__(name, import_name, static_folder=static_folder,
+                         static_url_path=static_url_path, template_folder=template_folder,
+                         url_prefix=url_prefix, subdomain=subdomain, url_defaults=url_defaults,
+                         root_path=root_path)
+        self.required_tables = required_tables
+        if self.required_tables is None:
+            self.required_tables = set()