__main__.py 文件源码

def cli(packages, virtualenv, python, use_ipython, shell, keep, use_editor, tmpdir, index):  # pylint: disable=too-many-arguments
    """Easily try out python packages."""
    if not packages:
        raise click.BadArgumentUsage("At least one package is required.")

    if not shell and use_ipython:
        shell = "ipython"

    click.echo("==> Use python {0}".format(click.style(python, bold=True)))
    if shell:
        click.echo("==> Use shell {0}".format(click.style(shell, bold=True)))
    click.echo("[*] Downloading packages: {0}".format(click.style(",".join(p.url for p in packages), bold=True)))

    try:
        envdir = try_packages(packages, virtualenv, python, shell, use_editor, keep, tmpdir, index)
    except TryError as error:
        click.secho("[*] {0}".format(error), fg="red")
        sys.exit(1)

    if keep:
        click.echo("==> Have a look at the try environment at: {0}".format(envdir))