fix(app): Skip plugins with not satisfied dependencies.

* Install / Uninstall plugins
* List plugins

flaschengeist/app.py

@@ -4,14 +4,13 @@ from flask import Flask
 from flask_cors import CORS
 from datetime import datetime, date
 from flask.json import JSONEncoder, jsonify
+from importlib_metadata import entry_points
 from sqlalchemy.exc import OperationalError
 from werkzeug.exceptions import HTTPException
 
 from flaschengeist import logger
 from flaschengeist.utils.hook import Hook
-from flaschengeist.plugins import AuthPlugin, Plugin
-from flaschengeist.utils.plugin import get_plugins
-from flaschengeist.controller import roleController
+from flaschengeist.plugins import AuthPlugin
 from flaschengeist.config import config, configure_app
 
 
@@ -38,29 +37,38 @@ class CustomJSONEncoder(JSONEncoder):
 
 @Hook("plugins.loaded")
 def load_plugins(app: Flask):
-    def load_plugin(cls: type[Plugin]):
-        logger.debug(f"Load plugin {cls.id}")
-        # Initialize plugin with config section
-        plugin = cls(config.get(plugin_class.id, config.get(plugin_class.id.split(".")[-1], {})))
-        # Register blueprint if provided
-        if plugin.blueprint is not None:
-            app.register_blueprint(plugin.blueprint)
-        # Save plugin application context
-        app.config.setdefault("FG_PLUGINS", {})[plugin.id] = plugin
-        return plugin
+    app.config["FG_PLUGINS"] = {}
 
-    for plugin_class in get_plugins():
-        names = [plugin_class.id, plugin_class.id.split(".")[-1]]
-        if config["FLASCHENGEIST"]["auth"] in names:
-            # Load authentification plugin
-            app.config["FG_AUTH_BACKEND"] = load_plugin(plugin_class)
-            logger.info(f"Using authentication plugin: {plugin_class.id}")
-        elif any([i in config and config[i].get("enabled", False) for i in names]):
-            # Load all other enabled plugins
-            load_plugin(plugin_class)
-            logger.info(f"Using plugin: {plugin_class.id}")
+    for entry_point in entry_points(group="flaschengeist.plugins"):
+        logger.debug(f"Found plugin: {entry_point.name} ({entry_point.dist.version})")
+
+        if entry_point.name == config["FLASCHENGEIST"]["auth"] or (
+            entry_point.name in config and config[entry_point.name].get("enabled", False)
+        ):
+            logger.debug(f"Load plugin {entry_point.name}")
+            try:
+                plugin = entry_point.load()(entry_point, config=config.get(entry_point.name, {}))
+                if hasattr(plugin, "blueprint") and plugin.blueprint is not None:
+                    app.register_blueprint(plugin.blueprint)
+            except:
+                logger.error(
+                    f"Plugin {entry_point.name} was enabled, but could not be loaded due to an error.",
+                    exc_info=True,
+                )
+                continue
+            if isinstance(plugin, AuthPlugin):
+                if entry_point.name != config["FLASCHENGEIST"]["auth"]:
+                    logger.debug(f"Unload not configured AuthPlugin {entry_point.name}")
+                    del plugin
+                    continue
                 else:
-            logger.debug(f"Skip disabled plugin {plugin_class.id}")
+                    logger.info(f"Using authentication plugin: {entry_point.name}")
+                    app.config["FG_AUTH_BACKEND"] = plugin
+            else:
+                logger.info(f"Using plugin: {entry_point.name}")
+            app.config["FG_PLUGINS"][entry_point.name] = plugin
+        else:
+            logger.debug(f"Skip disabled plugin {entry_point.name}")
     if "FG_AUTH_BACKEND" not in app.config:
         logger.fatal("No authentication plugin configured or authentication plugin not found")
         raise RuntimeError("No authentication plugin configured or authentication plugin not found")

flaschengeist/plugins/__init__.py

@@ -24,7 +24,11 @@ For more information, please refer to
 - `flaschengeist.utils.hook.HookAfter`
 """
 
+from importlib_metadata import Distribution, EntryPoint
 from werkzeug.exceptions import MethodNotAllowed, NotFound
+from werkzeug.datastructures import FileStorage
+
+from flaschengeist.models.user import _Avatar, User
 from flaschengeist.utils.hook import HookBefore, HookAfter
 
 __all__ = [
@@ -88,54 +92,47 @@ Passed args:
 class Plugin:
     """Base class for all Plugins
 
-    All plugins must be derived from this class.
-    There are some static properties a plugin must provide,
-    and some properties a plugin can provide if you might want
-    to use more functionality.
-
-    Required:
-        - *id*: Unique identifier of your plugin
+    All plugins must derived from this class.
 
     Optional:
         - *blueprint*: `flask.Blueprint` providing your routes
         - *permissions*: List of your custom permissions
         - *models*: Your models, used for API export
-        - *version*: Version of your plugin, can also be guessed by Flaschengeist
     """
 
-    id: str = None
-    """Override with the unique ID of the plugin
+    name: str
+    """Name of the plugin, loaded from EntryPoint"""
 
-    Hint: Use a fully qualified name like "dev.flaschengeist.plugin"
-    """
+    version: str
+    """Version of the plugin, loaded from Distribution"""
+
+    dist: Distribution
+    """Distribution of this plugin"""
 
     blueprint = None
-    """Override with a `flask.blueprint` if the plugin uses custom routes"""
+    """Optional `flask.blueprint` if the plugin uses custom routes"""
 
-    permissions: list[str] = []  # You have to override
-    """Override to add custom permissions used by the plugin
+    permissions: list[str] = []
+    """Optional list of custom permissions used by the plugin
     
     A good style is to name the permissions with a prefix related to the plugin name,
     to prevent clashes with other plugins. E. g. instead of *delete* use *plugin_delete*.
     """
 
     models = None
-    """Override with models module
+    """Optional module containing the SQLAlchemy models used by the plugin"""
 
-    Used for API export, has to be a static property
-    """
+    migrations_path = None
+    """Optional location of the path to migration files, required if custome db tables are used"""
 
-    version = None
-    """Override with a custom version, optional
-    
-    If not set, the version is guessed from the package / distribution
-    """
-
-    def __init__(self, config=None):
+    def __init__(self, entry_point: EntryPoint, config=None):
         """Constructor called by create_app
         Args:
             config: Dict configuration containing the plugin section
         """
+        self.version = entry_point.dist.version
+        self.name = entry_point.name
+        self.dist = entry_point.dist
 
     def install(self):
         """Installation routine
@@ -168,7 +165,7 @@ class Plugin:
         """
         from ..controller import pluginController
 
-        return pluginController.get_setting(self.id)
+        return pluginController.get_setting(self.id, name, **kwargs)
 
     def set_setting(self, name: str, value):
         """Save setting in database
@@ -290,7 +287,7 @@ class AuthPlugin(Plugin):
         """
         raise NotFound
 
-    def set_avatar(self, user, file):
+    def set_avatar(self, user, file: FileStorage):
         """Set the avatar for given user (if supported by auth backend)
 
         Default behavior is to use native Image objects stored on the Flaschengeist server

flaschengeist/plugins/auth_ldap/__init__.py

@@ -17,10 +17,8 @@ from flaschengeist.plugins import AuthPlugin, before_role_updated
 
 
 class AuthLDAP(AuthPlugin):
-    id = "auth_ldap"
-
-    def __init__(self, config):
-        super().__init__()
+    def __init__(self, entry_point, config):
+        super().__init__(entry_point, config)
         app.config.update(
             LDAP_SERVER=config.get("host", "localhost"),
             LDAP_PORT=config.get("port", 389),

flaschengeist/plugins/balance/__init__.py

@@ -57,17 +57,15 @@ def service_debit():
 
 
 class BalancePlugin(Plugin):
-    """Balance Plugin"""
-
-    id = "dev.flaschengeist.balance"
-    blueprint = Blueprint("balance", __name__)
     permissions = permissions.permissions
     plugin: "BalancePlugin" = LocalProxy(lambda: current_app.config["FG_PLUGINS"][BalancePlugin.name])
     models = models
 
-    def __init__(self, config):
-        super(BalancePlugin, self).__init__(config)
-        from . import routes
+    def __init__(self, entry_point, config):
+        super(BalancePlugin, self).__init__(entry_point, config)
+        from .routes import blueprint
+
+        self.blueprint = blueprint
 
         self.migrations_path = (pathlib.Path(__file__).parent / "migrations").resolve()
 

flaschengeist/plugins/balance/routes.py

@@ -1,6 +1,6 @@
 from datetime import datetime, timezone
 from werkzeug.exceptions import Forbidden, BadRequest
-from flask import request, jsonify
+from flask import Blueprint, request, jsonify
 
 from flaschengeist.utils import HTTP
 from flaschengeist.models.session import Session
@@ -18,7 +18,10 @@ def str2bool(string: str):
     raise ValueError
 
 
-@BalancePlugin.blueprint.route("/users/<userid>/balance/shortcuts", methods=["GET", "PUT"])
+blueprint = Blueprint("balance", __package__)
+
+
+@blueprint.route("/users/<userid>/balance/shortcuts", methods=["GET", "PUT"])
 @login_required()
 def get_shortcuts(userid, current_session: Session):
     """Get balance shortcuts of an user
@@ -50,7 +53,7 @@ def get_shortcuts(userid, current_session: Session):
         return HTTP.no_content()
 
 
-@BalancePlugin.blueprint.route("/users/<userid>/balance/limit", methods=["GET"])
+@blueprint.route("/users/<userid>/balance/limit", methods=["GET"])
 @login_required()
 def get_limit(userid, current_session: Session):
     """Get limit of an user
@@ -73,7 +76,7 @@ def get_limit(userid, current_session: Session):
     return {"limit": balance_controller.get_limit(user)}
 
 
-@BalancePlugin.blueprint.route("/users/<userid>/balance/limit", methods=["PUT"])
+@blueprint.route("/users/<userid>/balance/limit", methods=["PUT"])
 @login_required(permissions.SET_LIMIT)
 def set_limit(userid, current_session: Session):
     """Set the limit of an user
@@ -99,7 +102,7 @@ def set_limit(userid, current_session: Session):
     return HTTP.no_content()
 
 
-@BalancePlugin.blueprint.route("/users/balance/limit", methods=["GET", "PUT"])
+@blueprint.route("/users/balance/limit", methods=["GET", "PUT"])
 @login_required(permission=permissions.SET_LIMIT)
 def limits(current_session: Session):
     """Get, Modify limit of all users
@@ -124,7 +127,7 @@ def limits(current_session: Session):
     return HTTP.no_content()
 
 
-@BalancePlugin.blueprint.route("/users/<userid>/balance", methods=["GET"])
+@blueprint.route("/users/<userid>/balance", methods=["GET"])
 @login_required(permission=permissions.SHOW)
 def get_balance(userid, current_session: Session):
     """Get balance of user, optionally filtered
@@ -162,7 +165,7 @@ def get_balance(userid, current_session: Session):
     return {"credit": balance[0], "debit": balance[1], "balance": balance[2]}
 
 
-@BalancePlugin.blueprint.route("/users/<userid>/balance/transactions", methods=["GET"])
+@blueprint.route("/users/<userid>/balance/transactions", methods=["GET"])
 @login_required(permission=permissions.SHOW)
 def get_transactions(userid, current_session: Session):
     """Get transactions of user, optionally filtered
@@ -223,7 +226,7 @@ def get_transactions(userid, current_session: Session):
     return {"transactions": transactions, "count": count}
 
 
-@BalancePlugin.blueprint.route("/users/<userid>/balance", methods=["PUT"])
+@blueprint.route("/users/<userid>/balance", methods=["PUT"])
 @login_required()
 def change_balance(userid, current_session: Session):
     """Change balance of an user
@@ -272,7 +275,7 @@ def change_balance(userid, current_session: Session):
     raise Forbidden
 
 
-@BalancePlugin.blueprint.route("/balance/<int:transaction_id>", methods=["DELETE"])
+@blueprint.route("/balance/<int:transaction_id>", methods=["DELETE"])
 @login_required()
 def reverse_transaction(transaction_id, current_session: Session):
     """Reverse a transaction
@@ -297,7 +300,7 @@ def reverse_transaction(transaction_id, current_session: Session):
     raise Forbidden
 
 
-@BalancePlugin.blueprint.route("/balance", methods=["GET"])
+@blueprint.route("/balance", methods=["GET"])
 @login_required(permission=permissions.SHOW_OTHER)
 def get_balances(current_session: Session):
     """Get all balances

flaschengeist/plugins/message_mail.py

@@ -12,10 +12,8 @@ from . import Plugin
 
 
 class MailMessagePlugin(Plugin):
-    id = "dev.flaschengeist.mail_plugin"
-
-    def __init__(self, config):
-        super().__init__()
+    def __init__(self, entry_point, config):
+        super().__init__(entry_point, config)
         self.server = config["SERVER"]
         self.port = config["PORT"]
         self.user = config["USER"]

flaschengeist/plugins/pricelist/__init__.py

@@ -16,22 +16,24 @@ from . import models
 from . import pricelist_controller, permissions
 
 
-class PriceListPlugin(Plugin):
-    id = "dev.flaschengeist.pricelist"
-    permissions = permissions.permissions
 blueprint = Blueprint("pricelist", __name__, url_prefix="/pricelist")
+
+
+class PriceListPlugin(Plugin):
+    permissions = permissions.permissions
     plugin = LocalProxy(lambda: current_app.config["FG_PLUGINS"][PriceListPlugin.name])
     models = models
 
-    def __init__(self, cfg):
-        super().__init__(cfg)
+    def __init__(self, entry_point, config=None):
+        super().__init__(entry_point, config)
+        self.blueprint = blueprint
         self.migrations_path = (pathlib.Path(__file__).parent / "migrations").resolve()
         config = {"discount": 0}
-        config.update(cfg)
+        config.update(config)
 
 
-@PriceListPlugin.blueprint.route("/drink-types", methods=["GET"])
-@PriceListPlugin.blueprint.route("/drink-types/<int:identifier>", methods=["GET"])
+@blueprint.route("/drink-types", methods=["GET"])
+@blueprint.route("/drink-types/<int:identifier>", methods=["GET"])
 def get_drink_types(identifier=None):
     """Get DrinkType(s)
 
@@ -51,7 +53,7 @@ def get_drink_types(identifier=None):
     return jsonify(result)
 
 
-@PriceListPlugin.blueprint.route("/drink-types", methods=["POST"])
+@blueprint.route("/drink-types", methods=["POST"])
 @login_required(permission=permissions.CREATE_TYPE)
 def new_drink_type(current_session):
     """Create new DrinkType
@@ -73,7 +75,7 @@ def new_drink_type(current_session):
     return jsonify(drink_type)
 
 
-@PriceListPlugin.blueprint.route("/drink-types/<int:identifier>", methods=["PUT"])
+@blueprint.route("/drink-types/<int:identifier>", methods=["PUT"])
 @login_required(permission=permissions.EDIT_TYPE)
 def update_drink_type(identifier, current_session):
     """Modify DrinkType
@@ -96,7 +98,7 @@ def update_drink_type(identifier, current_session):
     return jsonify(drink_type)
 
 
-@PriceListPlugin.blueprint.route("/drink-types/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/drink-types/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE_TYPE)
 def delete_drink_type(identifier, current_session):
     """Delete DrinkType
@@ -114,8 +116,8 @@ def delete_drink_type(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/tags", methods=["GET"])
-@PriceListPlugin.blueprint.route("/tags/<int:identifier>", methods=["GET"])
+@blueprint.route("/tags", methods=["GET"])
+@blueprint.route("/tags/<int:identifier>", methods=["GET"])
 def get_tags(identifier=None):
     """Get Tag(s)
 
@@ -135,7 +137,7 @@ def get_tags(identifier=None):
     return jsonify(result)
 
 
-@PriceListPlugin.blueprint.route("/tags", methods=["POST"])
+@blueprint.route("/tags", methods=["POST"])
 @login_required(permission=permissions.CREATE_TAG)
 def new_tag(current_session):
     """Create Tag
@@ -155,7 +157,7 @@ def new_tag(current_session):
     return jsonify(drink_type)
 
 
-@PriceListPlugin.blueprint.route("/tags/<int:identifier>", methods=["PUT"])
+@blueprint.route("/tags/<int:identifier>", methods=["PUT"])
 @login_required(permission=permissions.EDIT_TAG)
 def update_tag(identifier, current_session):
     """Modify Tag
@@ -176,7 +178,7 @@ def update_tag(identifier, current_session):
     return jsonify(tag)
 
 
-@PriceListPlugin.blueprint.route("/tags/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/tags/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE_TAG)
 def delete_tag(identifier, current_session):
     """Delete Tag
@@ -194,8 +196,8 @@ def delete_tag(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/drinks", methods=["GET"])
-@PriceListPlugin.blueprint.route("/drinks/<int:identifier>", methods=["GET"])
+@blueprint.route("/drinks", methods=["GET"])
+@blueprint.route("/drinks/<int:identifier>", methods=["GET"])
 def get_drinks(identifier=None):
     """Get Drink(s)
 
@@ -251,7 +253,7 @@ def get_drinks(identifier=None):
     return jsonify({"drinks": drinks, "count": count})
 
 
-@PriceListPlugin.blueprint.route("/list", methods=["GET"])
+@blueprint.route("/list", methods=["GET"])
 def get_pricelist():
     """Get Priclist
     Route: ``/pricelist/list`` | Method: ``GET``
@@ -300,7 +302,7 @@ def get_pricelist():
     return jsonify({"pricelist": pricelist, "count": count})
 
 
-@PriceListPlugin.blueprint.route("/drinks/search/<string:name>", methods=["GET"])
+@blueprint.route("/drinks/search/<string:name>", methods=["GET"])
 def search_drinks(name):
     """Search Drink
 
@@ -321,7 +323,7 @@ def search_drinks(name):
     return jsonify(pricelist_controller.get_drinks(name, public=public))
 
 
-@PriceListPlugin.blueprint.route("/drinks", methods=["POST"])
+@blueprint.route("/drinks", methods=["POST"])
 @login_required(permission=permissions.CREATE)
 def create_drink(current_session):
     """Create Drink
@@ -373,7 +375,7 @@ def create_drink(current_session):
     return jsonify(pricelist_controller.set_drink(data))
 
 
-@PriceListPlugin.blueprint.route("/drinks/<int:identifier>", methods=["PUT"])
+@blueprint.route("/drinks/<int:identifier>", methods=["PUT"])
 @login_required(permission=permissions.EDIT)
 def update_drink(identifier, current_session):
     """Modify Drink
@@ -427,7 +429,7 @@ def update_drink(identifier, current_session):
     return jsonify(pricelist_controller.update_drink(identifier, data))
 
 
-@PriceListPlugin.blueprint.route("/drinks/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/drinks/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE)
 def delete_drink(identifier, current_session):
     """Delete Drink
@@ -445,7 +447,7 @@ def delete_drink(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/prices/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/prices/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE_PRICE)
 def delete_price(identifier, current_session):
     """Delete Price
@@ -463,7 +465,7 @@ def delete_price(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/volumes/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/volumes/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE_VOLUME)
 def delete_volume(identifier, current_session):
     """Delete DrinkPriceVolume
@@ -481,7 +483,7 @@ def delete_volume(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/ingredients/extraIngredients", methods=["GET"])
+@blueprint.route("/ingredients/extraIngredients", methods=["GET"])
 @login_required()
 def get_extra_ingredients(current_session):
     """Get ExtraIngredients
@@ -497,7 +499,7 @@ def get_extra_ingredients(current_session):
     return jsonify(pricelist_controller.get_extra_ingredients())
 
 
-@PriceListPlugin.blueprint.route("/ingredients/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/ingredients/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE_INGREDIENTS_DRINK)
 def delete_ingredient(identifier, current_session):
     """Delete Ingredient
@@ -515,7 +517,7 @@ def delete_ingredient(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/ingredients/extraIngredients", methods=["POST"])
+@blueprint.route("/ingredients/extraIngredients", methods=["POST"])
 @login_required(permission=permissions.EDIT_INGREDIENTS)
 def set_extra_ingredient(current_session):
     """Create ExtraIngredient
@@ -534,7 +536,7 @@ def set_extra_ingredient(current_session):
     return jsonify(pricelist_controller.set_extra_ingredient(data))
 
 
-@PriceListPlugin.blueprint.route("/ingredients/extraIngredients/<int:identifier>", methods=["PUT"])
+@blueprint.route("/ingredients/extraIngredients/<int:identifier>", methods=["PUT"])
 @login_required(permission=permissions.EDIT_INGREDIENTS)
 def update_extra_ingredient(identifier, current_session):
     """Modify ExtraIngredient
@@ -554,7 +556,7 @@ def update_extra_ingredient(identifier, current_session):
     return jsonify(pricelist_controller.update_extra_ingredient(identifier, data))
 
 
-@PriceListPlugin.blueprint.route("/ingredients/extraIngredients/<int:identifier>", methods=["DELETE"])
+@blueprint.route("/ingredients/extraIngredients/<int:identifier>", methods=["DELETE"])
 @login_required(permission=permissions.DELETE_INGREDIENTS)
 def delete_extra_ingredient(identifier, current_session):
     """Delete ExtraIngredient
@@ -572,7 +574,7 @@ def delete_extra_ingredient(identifier, current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/settings/min_prices", methods=["GET"])
+@blueprint.route("/settings/min_prices", methods=["GET"])
 @login_required()
 def get_pricelist_settings_min_prices(current_session):
     """Get MinPrices
@@ -593,7 +595,7 @@ def get_pricelist_settings_min_prices(current_session):
     return jsonify(min_prices)
 
 
-@PriceListPlugin.blueprint.route("/settings/min_prices", methods=["POST"])
+@blueprint.route("/settings/min_prices", methods=["POST"])
 @login_required(permission=permissions.EDIT_MIN_PRICES)
 def post_pricelist_settings_min_prices(current_session):
     """Create MinPrices
@@ -616,7 +618,7 @@ def post_pricelist_settings_min_prices(current_session):
     return no_content()
 
 
-@PriceListPlugin.blueprint.route("/users/<userid>/pricecalc_columns", methods=["GET", "PUT"])
+@blueprint.route("/users/<userid>/pricecalc_columns", methods=["GET", "PUT"])
 @login_required()
 def get_columns(userid, current_session):
     """Get pricecalc_columns of an user
@@ -648,7 +650,7 @@ def get_columns(userid, current_session):
         return no_content()
 
 
-@PriceListPlugin.blueprint.route("/users/<userid>/pricecalc_columns_order", methods=["GET", "PUT"])
+@blueprint.route("/users/<userid>/pricecalc_columns_order", methods=["GET", "PUT"])
 @login_required()
 def get_columns_order(userid, current_session):
     """Get pricecalc_columns_order of an user
@@ -679,7 +681,7 @@ def get_columns_order(userid, current_session):
         return no_content()
 
 
-@PriceListPlugin.blueprint.route("/users/<userid>/pricelist", methods=["GET", "PUT"])
+@blueprint.route("/users/<userid>/pricelist", methods=["GET", "PUT"])
 @login_required()
 def get_priclist_setting(userid, current_session):
     """Get pricelistsetting of an user
@@ -712,7 +714,7 @@ def get_priclist_setting(userid, current_session):
         return no_content()
 
 
-@PriceListPlugin.blueprint.route("/drinks/<int:identifier>/picture", methods=["POST", "DELETE"])
+@blueprint.route("/drinks/<int:identifier>/picture", methods=["POST", "DELETE"])
 @login_required(permission=permissions.EDIT)
 def set_picture(identifier, current_session):
     """Get, Create, Delete Drink Picture
@@ -739,7 +741,7 @@ def set_picture(identifier, current_session):
         raise BadRequest
 
 
-@PriceListPlugin.blueprint.route("/drinks/<int:identifier>/picture", methods=["GET"])
+@blueprint.route("/drinks/<int:identifier>/picture", methods=["GET"])
 # @headers({"Cache-Control": "private, must-revalidate"})
 def _get_picture(identifier):
     """Get Picture

flaschengeist/plugins/roles/__init__.py

@@ -16,7 +16,6 @@ from . import permissions
 
 
 class RolesPlugin(Plugin):
-    id = "dev.flaschengeist.roles"
     blueprint = Blueprint("roles", __name__)
     permissions = permissions.permissions
 

flaschengeist/plugins/scheduler.py

@@ -1,6 +1,5 @@
-import pkg_resources
-from datetime import datetime, timedelta
 from flask import Blueprint
+from datetime import datetime, timedelta
 
 from flaschengeist import logger
 from flaschengeist.utils.HTTP import no_content
@@ -40,15 +39,9 @@ def scheduled(id: str, replace=False, **kwargs):
 
 
 class SchedulerPlugin(Plugin):
-    id = "dev.flaschengeist.scheduler"
-    name = "scheduler"
-    blueprint = Blueprint(name, __name__)
-
-    def __init__(self, config=None):
-        """Constructor called by create_app
-        Args:
-            config: Dict configuration containing the plugin section
-        """
+    def __init__(self, entry_point, config=None):
+        super().__init__(entry_point, config)
+        self.blueprint = Blueprint(self.name, __name__)
 
         def __view_func():
             self.run_tasks()
@@ -60,7 +53,6 @@ class SchedulerPlugin(Plugin):
             except:
                 logger.error("Error while executing scheduled tasks!", exc_info=True)
 
-        self.version = pkg_resources.get_distribution(self.__module__.split(".")[0]).version
         cron = None if config is None else config.get("cron", "passive_web").lower()
 
         if cron is None or cron == "passive_web":

flaschengeist/plugins/users/__init__.py

@@ -18,7 +18,6 @@ from flaschengeist.utils.datetime import from_iso_format
 
 
 class UsersPlugin(Plugin):
-    id = "dev.flaschengeist.users"
     blueprint = Blueprint("users", __name__)
     permissions = permissions.permissions
 

setup.cfg

@@ -23,11 +23,13 @@ python_requires = >=3.9
 packages = find:
 install_requires =
     Flask>=2.0
-    Flask-Cors >= 3.0
-    Flask-Migrate >= 3.1.0 
-    Flask-SQLAlchemy >= 2.5
     Pillow>=8.4.0
-    SQLAlchemy >= 1.4.28
+    flask_cors
+    flask_migrate>=3.1.0
+    flask_sqlalchemy>=2.5
+    # Importlib requirement can be dropped when python requirement is >= 3.10
+    importlib_metadata>=4.3
+    sqlalchemy>=1.4.26
     toml
     werkzeug >= 2.0