timer_mert_dogan_aygun.py

Week06/timer_mert_doğan_aygün.py

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+import time
+
+class ExecutionTimer:
+    """
+    A context manager to measure and display the elapsed time for a block of code.
+
+    The ExecutionTimer calculates the time spent inside a context block, 
+    recording the start and end times to determine the elapsed duration.
+
+    Attributes:
+        start_time (float): Records when the timer starts.
+        end_time (float): Records when the timer stops.
+
+    Example:
+        >>> with ExecutionTimer() as timer:
+        ...     time.sleep(2)
+        ...
+        Elapsed time: 2.0000 seconds
+    """
+
+    def __init__(self):
+        """Initialize the ExecutionTimer with uninitialized start and end times."""
+        self.start_time = None
+        self.end_time = None
+
+    def __enter__(self):
+        """
+        Starts the timer by capturing the current time.
+
+        Returns:
+            ExecutionTimer: The current instance to access start and end times if needed.
+        """
+        self.start_time = time.time()
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        """
+        Stops the timer and calculates the elapsed time upon exiting the context.
+
+        Args:
+            exc_type (type): Type of any exception raised within the context.
+            exc_value (Exception): Exception instance raised within the context.
+            traceback (traceback): Traceback object for the raised exception.
+
+        Returns:
+            bool: False to propagate any exceptions that occur during execution.
+        """
+        self.end_time = time.time()
+        elapsed_time = self.end_time - self.start_time
+        print(f"Elapsed time: {elapsed_time:.4f} seconds")
+        return False