info.py 文件源码

def _echo_installed_packages():
    import pip

    # This code was derived from an example provide here:
    # http://stackoverflow.com/a/23885252/3424666
    installed_packages = sorted(["%s==%s" % (i.key, i.version)
                                for i in pip.get_installed_distributions()])
    for e in installed_packages:
        click.echo(e)