meta: add sources from prototype meadow build system

prototype/config.py

@@ -0,0 +1,64 @@
+import json
+import os
+
+
+config_path = 'build/meadow-config.json'
+config_data = None
+
+
+class Config:
+    def load():
+        global config_data
+
+        if not os.path.exists(config_path):
+            config_data = {}
+            return
+
+        with open(config_path, mode='r') as f:
+            config_data = json.load(f)
+
+
+    def save():
+        global config_data
+
+        with open(config_path, mode='w') as f:
+            json.dump(config_data, f, indent=4)
+
+
+    def get(path):
+        parts = path.split('.')
+        container = config_data
+
+        for p in parts[:-1]:
+            if p not in container:
+                return None
+
+            if not isinstance(container[p], dict):
+                print('Err: element "{}" in config key "{}" is not a dictionary'.format(p, path))
+                return
+
+            container = container[p]
+
+
+        if parts[-1] in container:
+            return container[parts[-1]]
+
+        return None
+
+
+    def set(path, value):
+        parts = path.split('.')
+        container = config_data
+
+        for p in parts[:-1]:
+            if p not in container:
+                container[p] = {}
+
+            if not isinstance(container[p], dict):
+                print('Err: element "{}" in config key "{}" is not a dictionary'.format(p, path))
+                return
+
+            container = container[p]
+
+
+        container[parts[-1]] = value