get_duration.py

"""
An example of how to measure the time it takes to run a section of code
"""

import time
import logging

logger = logging.getLogger(__name__)


def format_duration_long(duration_seconds: float) -> str:
    """
    Format duration in a human-friendly way, showing only the two largest non-zero units.
    For durations >= 1s, do not show microseconds or nanoseconds.
    For durations >= 1m, do not show milliseconds.
    """
    ns = int(duration_seconds * 1_000_000_000)
    units = [
        ("y", 365 * 24 * 60 * 60 * 1_000_000_000),
        ("mo", 30 * 24 * 60 * 60 * 1_000_000_000),
        ("d", 24 * 60 * 60 * 1_000_000_000),
        ("h", 60 * 60 * 1_000_000_000),
        ("m", 60 * 1_000_000_000),
        ("s", 1_000_000_000),
        ("ms", 1_000_000),
        ("us", 1_000),
        ("ns", 1),
    ]
    parts = []
    for name, factor in units:
        value, ns = divmod(ns, factor)
        if value:
            parts.append(f"{value}{name}")
        if len(parts) == 2:
            break
    if not parts:
        return "0s"
    return "".join(parts)


start_ns = time.perf_counter_ns()


print("Start")
time.sleep(1)
print("End")

end_ns = time.perf_counter_ns()
duration_s = (end_ns - start_ns) / 1e9
print(f"Execution completed in {format_duration_long(duration_s)}.")