| # Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc. |
| # |
| # Permission to use, copy, modify, and distribute this software and its |
| # documentation for any purpose with or without fee is hereby granted, |
| # provided that the above copyright notice and this permission notice |
| # appear in all copies. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES |
| # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR |
| # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| import dns.exception |
| import dns.rdata |
| import dns.name |
| |
| class RP(dns.rdata.Rdata): |
| """RP record |
| |
| @ivar mbox: The responsible person's mailbox |
| @type mbox: dns.name.Name object |
| @ivar txt: The owner name of a node with TXT records, or the root name |
| if no TXT records are associated with this RP. |
| @type txt: dns.name.Name object |
| @see: RFC 1183""" |
| |
| __slots__ = ['mbox', 'txt'] |
| |
| def __init__(self, rdclass, rdtype, mbox, txt): |
| super(RP, self).__init__(rdclass, rdtype) |
| self.mbox = mbox |
| self.txt = txt |
| |
| def to_text(self, origin=None, relativize=True, **kw): |
| mbox = self.mbox.choose_relativity(origin, relativize) |
| txt = self.txt.choose_relativity(origin, relativize) |
| return "%s %s" % (str(mbox), str(txt)) |
| |
| def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True): |
| mbox = tok.get_name() |
| txt = tok.get_name() |
| mbox = mbox.choose_relativity(origin, relativize) |
| txt = txt.choose_relativity(origin, relativize) |
| tok.get_eol() |
| return cls(rdclass, rdtype, mbox, txt) |
| |
| from_text = classmethod(from_text) |
| |
| def to_wire(self, file, compress = None, origin = None): |
| self.mbox.to_wire(file, None, origin) |
| self.txt.to_wire(file, None, origin) |
| |
| def to_digestable(self, origin = None): |
| return self.mbox.to_digestable(origin) + \ |
| self.txt.to_digestable(origin) |
| |
| def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None): |
| (mbox, cused) = dns.name.from_wire(wire[: current + rdlen], |
| current) |
| current += cused |
| rdlen -= cused |
| if rdlen <= 0: |
| raise dns.exception.FormError |
| (txt, cused) = dns.name.from_wire(wire[: current + rdlen], |
| current) |
| if cused != rdlen: |
| raise dns.exception.FormError |
| if not origin is None: |
| mbox = mbox.relativize(origin) |
| txt = txt.relativize(origin) |
| return cls(rdclass, rdtype, mbox, txt) |
| |
| from_wire = classmethod(from_wire) |
| |
| def choose_relativity(self, origin = None, relativize = True): |
| self.mbox = self.mbox.choose_relativity(origin, relativize) |
| self.txt = self.txt.choose_relativity(origin, relativize) |
| |
| def _cmp(self, other): |
| v = cmp(self.mbox, other.mbox) |
| if v == 0: |
| v = cmp(self.txt, other.txt) |
| return v |
