def __init__(self, groups=None):
        super(GroupedRequirements, self).__init__(NamedRequirements)
        self.groups = groups or self.default_groups
        self.filename = None
        self.create_default_groups()
def _makeglobrecursive(pat):
    """Make a glob pattern recursive by appending "/**" to it"""
    if pat.endswith("/") or not pat:
        return pat + "**"
    else:
        return pat + "/**"