moved config to a json, which makes adding more variables easier, but perhaps otherwise adds complexity

forum/db/config.py

@@ -0,0 +1,54 @@
+import json
+import shutil
+
+
+class Config:
+    def __init__(self, path):
+        self.path = path
+        self.config_values = [
+            "version",
+            "server_name",
+            "server_description",
+            "secret_key",
+            "captcha_key",
+            "registration_enabled",
+            "login_required",
+            "threads_per_page",
+            "user_css",
+        ]
+        self._update_class(self._read_values())
+
+    def get_config(self):
+        current = self._read_values()
+        self._update_class(current)
+        return self
+
+    def set_config(self, **kwargs):
+        for key in kwargs:
+            if key not in self.config_values:
+                raise ValueError(f"Unknown config key {key}!")
+
+        current = self._read_values()
+        current.update(kwargs)
+        self._update_class(current)
+        self._write_values(current)
+
+    def set_config_secrets(self, secret_key, captcha_key):
+        current = self._read_values()
+        current["secret_key"] = secret_key
+        current["captcha_key"] = captcha_key
+        self._update_class(current)
+        self._write_values(current)
+
+    def _read_values(self):
+        with open(self.path, "rt") as fp:
+            return json.load(fp)
+
+    def _write_values(self, values):
+        shutil.copy(self.path, self.path + ".bkp")
+        with open(self.path, "wt") as fp:
+            json.dump(values, fp, indent=2, sort_keys=True)
+
+    def _update_class(self, values):
+        for item in values:
+            setattr(self, item, values[item])