dist.py 文件源码

def convert_package_names(package_names):
    """
    Convert package names, which can be a string of a number of package
    names or requirements separated by spaces.
    """

    results = []
    errors = []

    for name in (
            package_names.split()
            if hasattr(package_names, 'split') else package_names):
        try:
            Requirement.parse(name)
        except ValueError:
            errors.append(name)
        else:
            results.append(name)

    return results, errors