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Diffstat (limited to 'third_party/dnspython/dns/rrset.py')
| -rw-r--r-- | third_party/dnspython/dns/rrset.py | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/third_party/dnspython/dns/rrset.py b/third_party/dnspython/dns/rrset.py deleted file mode 100644 index f6051fea4fc..00000000000 --- a/third_party/dnspython/dns/rrset.py +++ /dev/null @@ -1,175 +0,0 @@ -# Copyright (C) 2003-2007, 2009-2011 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. - -"""DNS RRsets (an RRset is a named rdataset)""" - -import dns.name -import dns.rdataset -import dns.rdataclass -import dns.renderer - -class RRset(dns.rdataset.Rdataset): - """A DNS RRset (named rdataset). - - RRset inherits from Rdataset, and RRsets can be treated as - Rdatasets in most cases. There are, however, a few notable - exceptions. RRsets have different to_wire() and to_text() method - arguments, reflecting the fact that RRsets always have an owner - name. - """ - - __slots__ = ['name', 'deleting'] - - def __init__(self, name, rdclass, rdtype, covers=dns.rdatatype.NONE, - deleting=None): - """Create a new RRset.""" - - super(RRset, self).__init__(rdclass, rdtype, covers) - self.name = name - self.deleting = deleting - - def _clone(self): - obj = super(RRset, self)._clone() - obj.name = self.name - obj.deleting = self.deleting - return obj - - def __repr__(self): - if self.covers == 0: - ctext = '' - else: - ctext = '(' + dns.rdatatype.to_text(self.covers) + ')' - if not self.deleting is None: - dtext = ' delete=' + dns.rdataclass.to_text(self.deleting) - else: - dtext = '' - return '<DNS ' + str(self.name) + ' ' + \ - dns.rdataclass.to_text(self.rdclass) + ' ' + \ - dns.rdatatype.to_text(self.rdtype) + ctext + dtext + ' RRset>' - - def __str__(self): - return self.to_text() - - def __eq__(self, other): - """Two RRsets are equal if they have the same name and the same - rdataset - - @rtype: bool""" - if not isinstance(other, RRset): - return False - if self.name != other.name: - return False - return super(RRset, self).__eq__(other) - - def match(self, name, rdclass, rdtype, covers, deleting=None): - """Returns True if this rrset matches the specified class, type, - covers, and deletion state.""" - - if not super(RRset, self).match(rdclass, rdtype, covers): - return False - if self.name != name or self.deleting != deleting: - return False - return True - - def to_text(self, origin=None, relativize=True, **kw): - """Convert the RRset into DNS master file format. - - @see: L{dns.name.Name.choose_relativity} for more information - on how I{origin} and I{relativize} determine the way names - are emitted. - - Any additional keyword arguments are passed on to the rdata - to_text() method. - - @param origin: The origin for relative names, or None. - @type origin: dns.name.Name object - @param relativize: True if names should names be relativized - @type relativize: bool""" - - return super(RRset, self).to_text(self.name, origin, relativize, - self.deleting, **kw) - - def to_wire(self, file, compress=None, origin=None, **kw): - """Convert the RRset to wire format.""" - - return super(RRset, self).to_wire(self.name, file, compress, origin, - self.deleting, **kw) - - def to_rdataset(self): - """Convert an RRset into an Rdataset. - - @rtype: dns.rdataset.Rdataset object - """ - return dns.rdataset.from_rdata_list(self.ttl, list(self)) - - -def from_text_list(name, ttl, rdclass, rdtype, text_rdatas): - """Create an RRset with the specified name, TTL, class, and type, and with - the specified list of rdatas in text format. - - @rtype: dns.rrset.RRset object - """ - - if isinstance(name, (str, unicode)): - name = dns.name.from_text(name, None) - if isinstance(rdclass, (str, unicode)): - rdclass = dns.rdataclass.from_text(rdclass) - if isinstance(rdtype, (str, unicode)): - rdtype = dns.rdatatype.from_text(rdtype) - r = RRset(name, rdclass, rdtype) - r.update_ttl(ttl) - for t in text_rdatas: - rd = dns.rdata.from_text(r.rdclass, r.rdtype, t) - r.add(rd) - return r - -def from_text(name, ttl, rdclass, rdtype, *text_rdatas): - """Create an RRset with the specified name, TTL, class, and type and with - the specified rdatas in text format. - - @rtype: dns.rrset.RRset object - """ - - return from_text_list(name, ttl, rdclass, rdtype, text_rdatas) - -def from_rdata_list(name, ttl, rdatas): - """Create an RRset with the specified name and TTL, and with - the specified list of rdata objects. - - @rtype: dns.rrset.RRset object - """ - - if isinstance(name, (str, unicode)): - name = dns.name.from_text(name, None) - - if len(rdatas) == 0: - raise ValueError("rdata list must not be empty") - r = None - for rd in rdatas: - if r is None: - r = RRset(name, rd.rdclass, rd.rdtype) - r.update_ttl(ttl) - first_time = False - r.add(rd) - return r - -def from_rdata(name, ttl, *rdatas): - """Create an RRset with the specified name and TTL, and with - the specified rdata objects. - - @rtype: dns.rrset.RRset object - """ - - return from_rdata_list(name, ttl, rdatas) |