feat: allow disabling extensions at installation level

.env.example

@@ -4,6 +4,7 @@ FLASK_ENV=development
 LNBITS_SITE_TITLE=LNbits
 LNBITS_DEFAULT_WALLET_NAME="LNbits wallet"
 LNBITS_DATA_FOLDER="/your_custom_data_folder"
+LNBITS_DISABLED_EXTENSIONS="amilk,events"
 LNBITS_SERVICE_FEE="0.0"
 LNBITS_WITH_ONION=0
 

lnbits/__init__.py

@@ -11,9 +11,11 @@ from .core import core_app, migrations as core_migrations
 from .helpers import ExtensionManager
 
 
+disabled_extensions = getenv("LNBITS_DISABLED_EXTENSIONS", "").split(",")
+
 app = Flask(__name__)
 app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)
-valid_extensions = [ext for ext in ExtensionManager().extensions if ext.is_valid]
+valid_extensions = [ext for ext in ExtensionManager(disabled=disabled_extensions).extensions if ext.is_valid]
 
 
 # optimization & security

lnbits/helpers.py

@@ -17,14 +17,15 @@ class Extension(NamedTuple):
 
 
 class ExtensionManager:
-    def __init__(self):
+    def __init__(self, *, disabled: list = []):
+        self._disabled = disabled
         self._extension_folders: List[str] = [x[1] for x in os.walk(os.path.join(LNBITS_PATH, "extensions"))][0]
 
     @property
     def extensions(self) -> List[Extension]:
         output = []
 
-        for extension in self._extension_folders:
+        for extension in [ext for ext in self._extension_folders if ext not in self._disabled]:
             try:
                 with open(os.path.join(LNBITS_PATH, "extensions", extension, "config.json")) as json_file:
                     config = json.load(json_file)