Source code for dns.rdtypes.IN.PX

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import struct

import dns.exception
import dns.immutable
import dns.name
import dns.rdata
import dns.rdtypes.util


[docs] @dns.immutable.immutable class PX(dns.rdata.Rdata): """PX record.""" # see: RFC 2163 __slots__ = ["preference", "map822", "mapx400"] def __init__(self, rdclass, rdtype, preference, map822, mapx400): super().__init__(rdclass, rdtype) self.preference = self._as_uint16(preference) self.map822 = self._as_name(map822) self.mapx400 = self._as_name(mapx400)
[docs] def to_text(self, origin=None, relativize=True, **kw): map822 = self.map822.choose_relativity(origin, relativize) mapx400 = self.mapx400.choose_relativity(origin, relativize) return "%d %s %s" % (self.preference, map822, mapx400)
@classmethod def from_text( cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None ): preference = tok.get_uint16() map822 = tok.get_name(origin, relativize, relativize_to) mapx400 = tok.get_name(origin, relativize, relativize_to) return cls(rdclass, rdtype, preference, map822, mapx400) def _to_wire(self, file, compress=None, origin=None, canonicalize=False): pref = struct.pack("!H", self.preference) file.write(pref) self.map822.to_wire(file, None, origin, canonicalize) self.mapx400.to_wire(file, None, origin, canonicalize) @classmethod def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): preference = parser.get_uint16() map822 = parser.get_name(origin) mapx400 = parser.get_name(origin) return cls(rdclass, rdtype, preference, map822, mapx400) def _processing_priority(self): return self.preference @classmethod def _processing_order(cls, iterable): return dns.rdtypes.util.priority_processing_order(iterable)