def loads(self, requirements_text):
        lines = re.findall(Requirement.spec_regex,
                           requirements_text,
                           re.MULTILINE)
        for line in lines:
            self.add(Requirement(line[0], "".join(line[1:])))
def __init__(self, root, cwd, badfn=None, relativeuipath=True):
        self._root = root
        self._cwd = cwd
        if badfn is not None:
            self.bad = badfn
        self._relativeuipath = relativeuipath