Performance tracking decorator

Implement a performance decorator to track execution time and memory usage.

Author: BugraFiloglu

Week04/decorators_ilyas_bugra_filoglu.py

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+import time
+import tracemalloc
+from functools import wraps
+
+tracemalloc.start()
+
+
+def performance(fn):
+    @wraps(fn)
+    def wrapper(*args, **kwargs):
+
+        performance.counter += 1
+
+        current_before, _ = tracemalloc.get_traced_memory()
+        tracemalloc.reset_peak()
+
+        start_time = time.perf_counter()
+
+        try:
+            result = fn(*args, **kwargs)
+            return result
+
+        finally:
+            end_time = time.perf_counter()
+
+            performance.total_time += end_time - start_time
+
+            current_memory, peak_memory = tracemalloc.get_traced_memory()
+
+            performance.total_mem += max(
+                0, peak_memory - current_before
+            )
+
+    return wrapper
+
+
+performance.counter = 0
+performance.total_time = 0.0
+performance.total_mem = 0