[web] refactoring the config reading code

bauh/commons/config.py

@@ -0,0 +1,27 @@
+import os
+from pathlib import Path
+
+import yaml
+
+from bauh.commons import util
+
+
+def read_config(file_path: str, template: dict, update_file: bool = False) -> dict:
+    if not os.path.exists(file_path):
+        Path(file_path).mkdir(parents=True, exist_ok=True)
+
+        with open(file_path, 'w+') as f:
+            f.write(yaml.dump(template))
+
+    else:
+        with open(file_path) as f:
+            local_config = yaml.safe_load(f.read())
+
+        if local_config:
+            util.deep_update(template, local_config)
+
+        if update_file:
+            with open(file_path, 'w+') as f:
+                f.write(yaml.dump(template))
+
+    return template