Gecko [ sachasauda.akalacademy.ac.in ]

Name	Size	Permission
rdtypes	[ DIR ]	drwxr-xr-x
__init__.py	1.3 KB	-rw-r--r--
__init__.pyc	765 B	-rw-r--r--
__init__.pyo	765 B	-rw-r--r--
dnssec.py	14.37 KB	-rw-r--r--
dnssec.pyc	13.46 KB	-rw-r--r--
dnssec.pyo	13.38 KB	-rw-r--r--
e164.py	3.01 KB	-rw-r--r--
e164.pyc	2.76 KB	-rw-r--r--
e164.pyo	2.76 KB	-rw-r--r--
edns.py	4.21 KB	-rw-r--r--
edns.pyc	5.2 KB	-rw-r--r--
edns.pyo	5.2 KB	-rw-r--r--
entropy.py	3.79 KB	-rw-r--r--
entropy.pyc	3.7 KB	-rw-r--r--
entropy.pyo	3.7 KB	-rw-r--r--
exception.py	1.29 KB	-rw-r--r--
exception.pyc	1.56 KB	-rw-r--r--
exception.pyo	1.56 KB	-rw-r--r--
flags.py	2.62 KB	-rw-r--r--
flags.pyc	2.58 KB	-rw-r--r--
flags.pyo	2.58 KB	-rw-r--r--
grange.py	1.83 KB	-rw-r--r--
grange.pyc	1.15 KB	-rw-r--r--
grange.pyo	1.08 KB	-rw-r--r--
hash.py	2.34 KB	-rw-r--r--
hash.pyc	2.11 KB	-rw-r--r--
hash.pyo	2.11 KB	-rw-r--r--
inet.py	3.16 KB	-rw-r--r--
inet.pyc	2.61 KB	-rw-r--r--
inet.pyo	2.61 KB	-rw-r--r--
ipv4.py	1.81 KB	-rw-r--r--
ipv4.pyc	1.37 KB	-rw-r--r--
ipv4.pyo	1.37 KB	-rw-r--r--
ipv6.py	4.97 KB	-rw-r--r--
ipv6.pyc	3.44 KB	-rw-r--r--
ipv6.pyo	3.44 KB	-rw-r--r--
message.py	41.63 KB	-rw-r--r--
message.pyc	36.39 KB	-rw-r--r--
message.pyo	36.39 KB	-rw-r--r--
name.py	21.82 KB	-rw-r--r--
name.pyc	23 KB	-rw-r--r--
name.pyo	23 KB	-rw-r--r--
namedict.py	2.06 KB	-rw-r--r--
namedict.pyc	1.92 KB	-rw-r--r--
namedict.pyo	1.92 KB	-rw-r--r--
node.py	5.89 KB	-rw-r--r--
node.pyc	6.15 KB	-rw-r--r--
node.pyo	6.15 KB	-rw-r--r--
opcode.py	2.55 KB	-rw-r--r--
opcode.pyc	2.49 KB	-rw-r--r--
opcode.pyo	2.49 KB	-rw-r--r--
query.py	17.89 KB	-rw-r--r--
query.pyc	15.31 KB	-rw-r--r--
query.pyo	15.31 KB	-rw-r--r--
rcode.py	3.03 KB	-rw-r--r--
rcode.pyc	2.92 KB	-rw-r--r--
rcode.pyo	2.92 KB	-rw-r--r--
rdata.py	15.34 KB	-rw-r--r--
rdata.pyc	16.59 KB	-rw-r--r--
rdata.pyo	16.59 KB	-rw-r--r--
rdataclass.py	3.22 KB	-rw-r--r--
rdataclass.pyc	2.96 KB	-rw-r--r--
rdataclass.pyo	2.96 KB	-rw-r--r--
rdataset.py	11.28 KB	-rw-r--r--
rdataset.pyc	11.08 KB	-rw-r--r--
rdataset.pyo	11.03 KB	-rw-r--r--
rdatatype.py	5.07 KB	-rw-r--r--
rdatatype.pyc	5.29 KB	-rw-r--r--
rdatatype.pyo	5.29 KB	-rw-r--r--
renderer.py	11.63 KB	-rw-r--r--
renderer.pyc	10.85 KB	-rw-r--r--
renderer.pyo	10.75 KB	-rw-r--r--
resolver.py	45.35 KB	-rw-r--r--
resolver.pyc	37.16 KB	-rw-r--r--
resolver.pyo	37.16 KB	-rw-r--r--
reversename.py	3.03 KB	-rw-r--r--
reversename.pyc	2.4 KB	-rw-r--r--
reversename.pyo	2.4 KB	-rw-r--r--
rrset.py	5.76 KB	-rw-r--r--
rrset.pyc	6.17 KB	-rw-r--r--
rrset.pyo	6.17 KB	-rw-r--r--
set.py	7.66 KB	-rw-r--r--
set.pyc	9.81 KB	-rw-r--r--
set.pyo	9.81 KB	-rw-r--r--
tokenizer.py	17.54 KB	-rw-r--r--
tokenizer.pyc	16.92 KB	-rw-r--r--
tokenizer.pyo	16.92 KB	-rw-r--r--
tsig.py	8.1 KB	-rw-r--r--
tsig.pyc	8.08 KB	-rw-r--r--
tsig.pyo	8.08 KB	-rw-r--r--
tsigkeyring.py	1.61 KB	-rw-r--r--
tsigkeyring.pyc	1.16 KB	-rw-r--r--
tsigkeyring.pyo	1.16 KB	-rw-r--r--
ttl.py	2.13 KB	-rw-r--r--
ttl.pyc	1.48 KB	-rw-r--r--
ttl.pyo	1.48 KB	-rw-r--r--
update.py	9.92 KB	-rw-r--r--
update.pyc	8.27 KB	-rw-r--r--
update.pyo	8.27 KB	-rw-r--r--
version.py	1.24 KB	-rw-r--r--
version.pyc	560 B	-rw-r--r--
version.pyo	560 B	-rw-r--r--
wiredata.py	2.53 KB	-rw-r--r--
wiredata.pyc	2.19 KB	-rw-r--r--
wiredata.pyo	2.19 KB	-rw-r--r--
zone.py	37.94 KB	-rw-r--r--
zone.pyc	33.52 KB	-rw-r--r--
zone.pyo	33.52 KB	-rw-r--r--

Code Editor : node.py

# Copyright (C) 2001-2007, 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 nodes.  A node is a set of rdatasets."""

import StringIO

import dns.rdataset
import dns.rdatatype
import dns.renderer

class Node(object):
    """A DNS node.

A node is a set of rdatasets

@ivar rdatasets: the node's rdatasets
    @type rdatasets: list of dns.rdataset.Rdataset objects"""

__slots__ = ['rdatasets']

def __init__(self):
        """Initialize a DNS node.
        """

self.rdatasets = [];

def to_text(self, name, **kw):
        """Convert a node to text format.

Each rdataset at the node is printed.  Any keyword arguments
        to this method are passed on to the rdataset's to_text() method.
        @param name: the owner name of the rdatasets
        @type name: dns.name.Name object
        @rtype: string
        """

s = StringIO.StringIO()
        for rds in self.rdatasets:
            if len(rds) > 0:
                print >> s, rds.to_text(name, **kw)
        return s.getvalue()[:-1]

def __repr__(self):
        return '<DNS node ' + str(id(self)) + '>'

def __eq__(self, other):
        """Two nodes are equal if they have the same rdatasets.

@rtype: bool
        """
        #
        # This is inefficient.  Good thing we don't need to do it much.
        #
        for rd in self.rdatasets:
            if rd not in other.rdatasets:
                return False
        for rd in other.rdatasets:
            if rd not in self.rdatasets:
                return False
        return True

def __ne__(self, other):
        return not self.__eq__(other)

def __len__(self):
        return len(self.rdatasets)

def __iter__(self):
        return iter(self.rdatasets)

def find_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE,
                      create=False):
        """Find an rdataset matching the specified properties in the
        current node.

@param rdclass: The class of the rdataset
        @type rdclass: int
        @param rdtype: The type of the rdataset
        @type rdtype: int
        @param covers: The covered type.  Usually this value is
        dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or
        dns.rdatatype.RRSIG, then the covers value will be the rdata
        type the SIG/RRSIG covers.  The library treats the SIG and RRSIG
        types as if they were a family of
        types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA).  This makes RRSIGs much
        easier to work with than if RRSIGs covering different rdata
        types were aggregated into a single RRSIG rdataset.
        @type covers: int
        @param create: If True, create the rdataset if it is not found.
        @type create: bool
        @raises KeyError: An rdataset of the desired type and class does
        not exist and I{create} is not True.
        @rtype: dns.rdataset.Rdataset object
        """

for rds in self.rdatasets:
            if rds.match(rdclass, rdtype, covers):
                return rds
        if not create:
            raise KeyError
        rds = dns.rdataset.Rdataset(rdclass, rdtype)
        self.rdatasets.append(rds)
        return rds

def get_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE,
                     create=False):
        """Get an rdataset matching the specified properties in the
        current node.

None is returned if an rdataset of the specified type and
        class does not exist and I{create} is not True.

@param rdclass: The class of the rdataset
        @type rdclass: int
        @param rdtype: The type of the rdataset
        @type rdtype: int
        @param covers: The covered type.
        @type covers: int
        @param create: If True, create the rdataset if it is not found.
        @type create: bool
        @rtype: dns.rdataset.Rdataset object or None
        """

try:
            rds = self.find_rdataset(rdclass, rdtype, covers, create)
        except KeyError:
            rds = None
        return rds

def delete_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE):
        """Delete the rdataset matching the specified properties in the
        current node.

If a matching rdataset does not exist, it is not an error.

@param rdclass: The class of the rdataset
        @type rdclass: int
        @param rdtype: The type of the rdataset
        @type rdtype: int
        @param covers: The covered type.
        @type covers: int
        """

rds = self.get_rdataset(rdclass, rdtype, covers)
        if not rds is None:
            self.rdatasets.remove(rds)

def replace_rdataset(self, replacement):
        """Replace an rdataset.

It is not an error if there is no rdataset matching I{replacement}.

Ownership of the I{replacement} object is transferred to the node;
        in other words, this method does not store a copy of I{replacement}
        at the node, it stores I{replacement} itself.
        """

if not isinstance(replacement, dns.rdataset.Rdataset):
            raise ValueError, 'replacement is not an rdataset'
        self.delete_rdataset(replacement.rdclass, replacement.rdtype,
                             replacement.covers)
        self.rdatasets.append(replacement)

${this.title}

Code Editor : node.py