Function _write_if_changed

python/ray/serve/_private/haproxy.py:159–169

Write content to path only if it differs from what's there.

(path: str, content: str)

def _write_if_changed(path: str, content: str) -> bool:
    """Write content to path only if it differs from what's there."""
    try:
        with open(path) as f:
            if f.read() == content:
                return False
    except FileNotFoundError:
        pass
    with open(path, "w") as f:
        f.write(content)
    return True


def _tail_file(path: str, n_bytes: int = 4096) -> str: