First commit

server/frontend/app/utils.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import psutil
+import time
+import yaml
+import sys
+import os
+from functools import reduce
+
+
+def terminate_process(process):
+    """
+        Terminale all instances of a process defined by its name.
+        :return: bool - status of the operation
+    """
+    terminated = False
+    for proc in psutil.process_iter():
+        if proc.name() == process:
+            proc.terminate()
+            if process == "hostapd":
+                time.sleep(2)
+            terminated = True
+    return terminated
+
+
+def read_config(path):
+    """
+        Read a value from the configuration
+        :return: value (it can be any type)
+    """
+    dir = "/".join(sys.path[0].split("/")[:-2])
+    config = yaml.load(open(os.path.join(dir, "config.yaml"), "r"),
+                       Loader=yaml.SafeLoader)
+    return reduce(dict.get, path, config)