make path of custom templates and static files configurable

capport-example.yaml

@@ -11,4 +11,5 @@ server-names:
 - ...
 api-port: 8000
 controller-port: 5000
+custom: custom  # path of custom templates and static files
 database-file: capport.state

src/capport/api/app_cls.py

@@ -48,14 +48,16 @@ class MyQuartApp(quart_trio.QuartTrio):
     def __init__(self, import_name: str, **kwargs) -> None:
         self.my_config = capport.config.Config.load_default_once()
         kwargs.setdefault("template_folder", os.path.join(os.path.dirname(__file__), "templates"))
-        cust_templ = os.path.join("custom", "templates")
-        if os.path.exists(cust_templ):
-            self.custom_loader = jinja2.FileSystemLoader(os.fspath(cust_templ))
-        cust_static = os.path.abspath(os.path.join("custom", "static"))
-        if os.path.exists(cust_static):
-            static_folder = cust_static
-        else:
-            static_folder = os.path.join(os.path.dirname(__file__), "static")
+        static_folder = os.path.join(os.path.dirname(__file__), "static")
+        if self.my_config.custom:
+            cust_templ = os.path.join(self.my_config.custom, "templates")
+            if os.path.exists(cust_templ):
+                # prepend custom templates to search path
+                self.custom_loader = jinja2.FileSystemLoader(os.fspath(cust_templ))
+            cust_static = os.path.abspath(os.path.join(self.my_config.custom, "static"))
+            if os.path.exists(cust_static):
+                # overwrite static folder
+                static_folder = cust_static
         kwargs.setdefault("static_folder", static_folder)
         super().__init__(import_name, **kwargs)
         self.debug = self.my_config.debug

src/capport/config.py

@@ -22,6 +22,7 @@ class Config:
     api_port: int
     controller_port: int
     database_file: str  # empty str: disable database
+    custom: str
     debug: bool
 
     @staticmethod
@@ -58,6 +59,7 @@ class Config:
             api_port=data.pop("api-port", 8000),
             controller_port=data.pop("controller-port", 5000),
             database_file=str(data.pop("database-file", "capport.state")),
+            custom=str(data.pop("custom", "custom")),
             debug=data.pop("debug", False),
         )
         if data: