add first steps towards a storage implementation

owrx/config.py

@@ -2,6 +2,7 @@ from owrx.property import PropertyManager, PropertyLayer
 import importlib.util
 import os
 import logging
+import yaml
 
 logger = logging.getLogger(__name__)
 
@@ -23,18 +24,35 @@ class Config:
     sharedConfig = None
 
     @staticmethod
-    def _loadConfig():
+    def _loadPythonFile(file):
+        spec = importlib.util.spec_from_file_location("config_webrx", file)
+        cfg = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(cfg)
         pm = PropertyLayer()
-        for file in ["/etc/openwebrx/config_webrx.py", "./config_webrx.py"]:
+        for name, value in cfg.__dict__.items():
+            if name.startswith("__"):
+                continue
+            pm[name] = value
+        return pm
+
+    @staticmethod
+    def _loadYamlFile(file):
+        with open(file, "r") as f:
+            pm = PropertyLayer()
+            for k, v in yaml.load(f).items():
+                pm[k] = v
+            return pm
+
+    @staticmethod
+    def _loadConfig():
+        for file in ["settings.yaml", "/etc/openwebrx/config_webrx.py", "./config_webrx.py"]:
             try:
-                spec = importlib.util.spec_from_file_location("config_webrx", file)
-                cfg = importlib.util.module_from_spec(spec)
-                spec.loader.exec_module(cfg)
-                for name, value in cfg.__dict__.items():
-                    if name.startswith("__"):
-                        continue
-                    pm[name] = value
-                return pm
+                if file.endswith(".py"):
+                    return Config._loadPythonFile(file)
+                elif file.endswith(".yaml"):
+                    return Config._loadYamlFile(file)
+                else:
+                    logger.warning("unsupported file type: %s", file)
             except FileNotFoundError:
                 pass
         raise ConfigNotFoundException("no usable config found! please make sure you have a valid configuration file!")
@@ -45,6 +63,11 @@ class Config:
             Config.sharedConfig = Config._loadConfig()
         return Config.sharedConfig
 
+    @staticmethod
+    def store():
+        with open("settings.yaml", "w") as file:
+            yaml.dump(Config.get().__dict__(), file)
+
     @staticmethod
     def validateConfig():
         pm = Config.get()

owrx/controllers/settings.py

@@ -340,4 +340,5 @@ class SettingsController(AdminController):
         config = Config.get()
         for k, v in data.items():
             config[k] = v
+        Config.store()
         self.send_redirect("/admin")