def __init__(self, package, version):
        """Construct a new requirement.

        :param package: the package name.
        :param version: a semver compatible version specification.
        """
        self.package = package
        self.version = version
        if self.version and not re.match(r"[<=>~]", version[:2]):
            self.version = "=={}".format(self.version)
def __add_fuzzing_range(self):
        start = self.ui.sBAddRangeStart.value()
        end = self.ui.sBAddRangeEnd.value()
        step = self.ui.sBAddRangeStep.value()
        self.fuzz_table_model.add_range(start, end + 1, step)