502     def _prefix_from_ip_string(cls, ip_str):  argument
516             ip_int = cls._ip_int_from_string(ip_str)
518             cls._report_invalid_netmask(ip_str)
533             cls._report_invalid_netmask(ip_str)
1100     def _ip_int_from_string(cls, ip_str):  argument
1113         if not ip_str:
1116         octets = ip_str.split('.')
1118             raise AddressValueError("Expected 4 octets in %r" % ip_str)
1123             raise AddressValueError("%s in %r" % (exc, ip_str)) from None
1206     def _is_hostmask(self, ip_str):  argument
1216         bits = ip_str.split('.')
1631     def _ip_int_from_string(cls, ip_str):  argument
1644         if not ip_str:
1647         parts = ip_str.split(':')
1652             msg = "At least %d parts expected in %r" % (_min_parts, ip_str)
1660                 raise AddressValueError("%s in %r" % (exc, ip_str)) from None
1669             msg = "At most %d colons permitted in %r" % (_max_parts-1, ip_str)
1679                     msg = "At most one '::' permitted in %r" % ip_str
1693                     raise AddressValueError(msg % ip_str)  # ^: requires ^::
1698                     raise AddressValueError(msg % ip_str)  # :$ requires ::$
1702                 raise AddressValueError(msg % (cls._HEXTET_COUNT-1, ip_str))
1709                 raise AddressValueError(msg % (cls._HEXTET_COUNT, ip_str))
1712                 raise AddressValueError(msg % ip_str)  # ^: requires ^::
1715                 raise AddressValueError(msg % ip_str)  # :$ requires ::$
1732             raise AddressValueError("%s in %r" % (exc, ip_str)) from None
1845             ip_str = str(self.network_address)
1847             ip_str = str(self.ip)
1849             ip_str = str(self)
1851         ip_int = self._ip_int_from_string(ip_str)