introduce core config file (settings that cannot be edited from the web)

debian/openwebrx.install

@@ -1,5 +1,6 @@
 config_webrx.py etc/openwebrx/
 bands.json etc/openwebrx/
 bookmarks.json etc/openwebrx/
+openwebrx.conf etc/openwebrx/
 users.json etc/openwebrx/
 systemd/openwebrx.service lib/systemd/system/

docker/scripts/run.sh

@@ -15,6 +15,9 @@ fi
 if [[ ! -f /etc/openwebrx/users.json ]] ; then
   cp users.json /etc/openwebrx/
 fi
+if [[ ! -f /etc/openwebrx/openwebrx.conf ]] ; then
+  cp openwebrx.conf /etc/openwebrx/
+fi
 
 
 _term() {

openwebrx.conf

@@ -0,0 +1,5 @@
+[core]
+data_directory = /var/lib/openwebrx
+
+[web]
+port = 8073

owrx/__main__.py

@@ -1,6 +1,6 @@
 from http.server import HTTPServer
 from owrx.http import RequestHandler
-from owrx.config import Config
+from owrx.config import Config, CoreConfig
 from owrx.feature import FeatureDetector
 from owrx.sdr import SdrService
 from socketserver import ThreadingMixIn
@@ -73,7 +73,7 @@ Support and info:       https://groups.io/g/openwebrx
     Services.start()
 
     try:
-        server = ThreadedHttpServer(("0.0.0.0", pm["web_port"]), RequestHandler)
+        server = ThreadedHttpServer(("0.0.0.0", CoreConfig().get_web_port()), RequestHandler)
         server.serve_forever()
     except SignalException:
         WebSocketConnection.closeAll()

owrx/config.py

@@ -4,6 +4,7 @@ import os
 import logging
 import json
 from abc import ABC, abstractmethod
+from configparser import ConfigParser
 
 logger = logging.getLogger(__name__)
 
@@ -56,6 +57,31 @@ class ConfigMigratorVersion2(ConfigMigrator):
         return config
 
 
+class CoreConfig(object):
+    defaults = {
+        "core": {
+            "data_directory": "/var/lib/openwebrx",
+        },
+        "web": {
+            "port": 8073,
+        },
+    }
+
+    def __init__(self):
+        config = ConfigParser()
+        config.read(["./openwebrx.conf", "/etc/openwebrx/openwebrx.conf"])
+        self.data_directory = config.get(
+            "core", "data_directory", fallback=CoreConfig.defaults["core"]["data_directory"]
+        )
+        self.web_port = config.getint("web", "port", fallback=CoreConfig.defaults["web"]["port"])
+
+    def get_web_port(self):
+        return self.web_port
+
+    def get_data_directory(self):
+        return self.data_directory
+
+
 class Config:
     sharedConfig = None
     currentVersion = 3
@@ -84,9 +110,14 @@ class Config:
                 pm[k] = v
             return pm
 
+    @staticmethod
+    def _getSettingsFile():
+        coreConfig = CoreConfig()
+        return "{data_directory}/settings.json".format(data_directory=coreConfig.get_data_directory())
+
     @staticmethod
     def _loadConfig():
-        for file in ["./settings.json", "/etc/openwebrx/config_webrx.py", "./config_webrx.py"]:
+        for file in [Config._getSettingsFile(), "/etc/openwebrx/config_webrx.py", "./config_webrx.py"]:
             try:
                 if file.endswith(".py"):
                     return Config._loadPythonFile(file)
@@ -106,7 +137,7 @@ class Config:
 
     @staticmethod
     def store():
-        with open("settings.json", "w") as file:
+        with open(Config._getSettingsFile(), "w") as file:
             json.dump(Config.get().__dict__(), file, indent=4)
 
     @staticmethod