def parse()

in xray-setup/psycopg2/_range.py [0:0]

• 23 lines of code
• 9 McCabe index (conditional complexity)

    def parse(self, s, cur=None):
        if s is None:
            return None

        if s == 'empty':
            return self.range(empty=True)

        m = self._re_range.match(s)
        if m is None:
            raise InterfaceError("failed to parse range: '%s'" % s)

        lower = m.group(3)
        if lower is None:
            lower = m.group(2)
            if lower is not None:
                lower = self._re_undouble.sub(r"\1", lower)

        upper = m.group(5)
        if upper is None:
            upper = m.group(4)
            if upper is not None:
                upper = self._re_undouble.sub(r"\1", upper)

        if cur is not None:
            lower = cur.cast(self.subtype_oid, lower)
            upper = cur.cast(self.subtype_oid, upper)

        bounds = m.group(1) + m.group(6)

        return self.range(lower, upper, bounds)