initial app helpers completed - moving to make the default apps next.

macropad_os/configuration/config.py

@@ -0,0 +1,61 @@
+import json
+
+from .config_item import ConfigItem
+
+
+class Config(object):
+    def __init__(self, save_file):
+        self._data = {}
+        self._items = {}
+        self._save_file = save_file
+
+    def load(self, default_config=None):
+        try:
+            f = open(self._save_file, "r")
+            self._data = json.load(f)
+            self._items = {}
+            for key, value in self._data.items():
+                self._items[key] = ConfigItem.from_json(key, value)
+        except Exception as e:
+            print(e)
+            self._items = {}
+            self._data = {}
+        if default_config:
+            for item in default_config._items:
+                if not (item in self._items):
+                    self._items[item] = default_config._items[item]
+        return self
+
+    def get_items(self):
+        return self._items
+
+    def get_item_by_name(self, key):
+        if key in self._items:
+            return self._items[key]
+        else:
+            return None
+
+    def set_item(self, config_item: ConfigItem):
+        self._items[config_item.name] = config_item
+        return self
+
+    def save(self):
+        save_format = {}
+        for name, item in self._items.items():
+            save_format[name] = item.to_json()
+        with open(self._save_file, "w") as f:
+            json.dump(save_format, f)
+            self._data = save_format
+        return self
+
+    def key_tone_enabled(self):
+        return self.get_item_by_name("key_tone").value
+
+    def key_tone_hz(self):
+        return self.get_item_by_name("key_tone_hz").value if self.key_tone_enabled() else 0
+
+    def brightness(self):
+        return self.get_item_by_name("brightness").value
+
+    def debug_app_enabled(self):
+        return self.get_item_by_name("debug_app").value