“python subprocess.check_call” Code-Antworten

python subprocess.check_call

def update():
    """Update to the latest pages."""
    repo_directory = get_config()['repo_directory']
    os.chdir(repo_directory)
    click.echo("Check for updates...")

    local = subprocess.check_output('git rev-parse master'.split()).strip()
    remote = subprocess.check_output(
        'git ls-remote https://github.com/tldr-pages/tldr/ HEAD'.split()
    ).split()[0]
    if local != remote:
        click.echo("Updating...")
        subprocess.check_call('git checkout master'.split())
        subprocess.check_call('git pull --rebase'.split())
        build_index()
        click.echo("Update to the latest and rebuild the index.")
    else:
        click.echo("No need for updates.")
DreamCoder

python subprocess.check_call

def mpi_fork(n, bind_to_core=False):
    """Re-launches the current script with workers
    Returns "parent" for original parent, "child" for MPI children
    """
    if n<=1: 
        return "child"
    if os.getenv("IN_MPI") is None:
        env = os.environ.copy()
        env.update(
            MKL_NUM_THREADS="1",
            OMP_NUM_THREADS="1",
            IN_MPI="1"
        )
        args = ["mpirun", "-np", str(n)]
        if bind_to_core:
            args += ["-bind-to", "core"]
        args += [sys.executable] + sys.argv
        subprocess.check_call(args, env=env)
        return "parent"
    else:
        return "child"
DreamCoder

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