first prototype

scilog/config.py

@@ -0,0 +1,44 @@
+from pathlib import Path
+import json
+
+
+class Config(dict):
+
+    def __init__(self, fname, folder=None):
+        if folder is not None:
+            folder = Path(folder)
+        else:
+            folder = Path.home()
+        self.fname = folder / fname
+        content = self._load()
+        super().update(content)
+
+    def __setitem__(self, name, value):
+        self.update(**{name: value})
+
+    def update(self, **kwargs):
+        super().update(**kwargs)
+        self._save()
+
+    def _load(self):
+        fn = self.fname
+        if fn.exists():
+            return json_load(fn)
+        else:
+            return {}
+
+    def _save(self):
+        json_save(self, self.fname)
+
+
+
+def json_save(what, filename, *args, indent=4, sort_keys=True, **kwargs):
+    with open(filename, "w") as f:
+        json.dump(what, f, *args, indent=indent, sort_keys=sort_keys, **kwargs)
+
+def json_load(filename, *args, **kwargs):
+    with open(filename, "r") as f:
+        return json.load(f, *args, **kwargs)
+
+
+