def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def _makeglobrecursive(pat):
    """Make a glob pattern recursive by appending "/**" to it"""
    if pat.endswith("/") or not pat:
        return pat + "**"
    else:
        return pat + "/**"