Code cleanup

src/registrar/models/utility/generic_helper.py

@@ -0,0 +1,36 @@
+"""This file contains general purpose helpers that don't belong in any specific location"""
+import time
+import logging
+
+
+logger = logging.getLogger(__name__)
+
+
+class Timer:
+    """
+    This class is used to measure execution time for performance profiling.
+    __enter__ and __exit__ is used such that you can wrap any code you want
+    around a with statement. After this exits, logger.info will print
+    the execution time in seconds.
+
+    Note that this class does not account for general randomness as more
+    robust libraries do, so there is some tiny amount of latency involved
+    in using this, but it is minimal enough that for most applications it is not
+    noticable.
+
+    Usage:
+    with Timer():
+        ...some code
+    """
+
+    def __enter__(self):
+        """Starts the timer"""
+        self.start = time.time()
+        # This allows usage of the instance within the with block
+        return self
+
+    def __exit__(self, *args):
+        """Ends the timer and logs what happened"""
+        self.end = time.time()
+        self.duration = self.end - self.start
+        logger.info(f"Execution time: {self.duration} seconds")