Move timer to a separate module

active_grasp/timer.py

@@ -0,0 +1,22 @@
+import time
+
+
+class Timer:
+    timers = dict()
+
+    def __init__(self, name):
+        self.name = name
+
+    def __enter__(self):
+        self.start()
+        return self
+
+    def __exit__(self, *exc_info):
+        self.stop()
+
+    def start(self):
+        self.tic = time.perf_counter()
+
+    def stop(self):
+        elapsed_time = time.perf_counter() - self.tic
+        self.timers[self.name] = elapsed_time