Function execute

misc/incremental_checker.py:68–83

(command: list[str], fail_on_error: bool = True)

def execute(command: list[str], fail_on_error: bool = True) -> tuple[str, str, int]:
    proc = subprocess.Popen(
        " ".join(command), stderr=subprocess.PIPE, stdout=subprocess.PIPE, shell=True
    )
    stdout_bytes, stderr_bytes = proc.communicate()
    stdout, stderr = stdout_bytes.decode("utf-8"), stderr_bytes.decode("utf-8")
    if fail_on_error and proc.returncode != 0:
        print("EXECUTED COMMAND:", repr(command))
        print("RETURN CODE:", proc.returncode)
        print()
        print("STDOUT:")
        print_offset(stdout)
        print("STDERR:")
        print_offset(stderr)
        raise RuntimeError("Unexpected error from external tool.")
    return stdout, stderr, proc.returncode


def ensure_environment_is_ready(mypy_path: str, temp_repo_path: str, mypy_cache_path: str) -> None: