Gecko [ naturenectar.co.uk ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
dnssecalgs	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
quic	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
rdtypes	[ DIR ]	drwxr-xr-x	2025-08-15 18:09
__init__.py	1.62 KB	-rw-r--r--	2024-02-18 18:35
_asyncbackend.py	2.3 KB	-rw-r--r--	2024-02-18 18:35
_asyncio_backend.py	8.76 KB	-rw-r--r--	2024-02-18 18:35
_ddr.py	5.12 KB	-rw-r--r--	2024-02-18 18:35
_features.py	2.33 KB	-rw-r--r--	2024-02-18 18:35
_immutable_ctx.py	2.4 KB	-rw-r--r--	2024-02-18 18:35
asyncbackend.py	2.73 KB	-rw-r--r--	2024-02-18 18:35
asyncquery.py	26.22 KB	-rw-r--r--	2024-02-18 18:35
asyncresolver.py	17.43 KB	-rw-r--r--	2024-02-18 18:35
dnssec.py	39.74 KB	-rw-r--r--	2024-02-18 18:35
dnssectypes.py	1.76 KB	-rw-r--r--	2024-02-18 18:35
e164.py	3.88 KB	-rw-r--r--	2024-02-18 18:35
edns.py	14.91 KB	-rw-r--r--	2024-02-18 18:35
entropy.py	4.14 KB	-rw-r--r--	2024-02-18 18:35
enum.py	3.6 KB	-rw-r--r--	2024-02-18 18:35
exception.py	5.82 KB	-rw-r--r--	2024-02-18 18:35
flags.py	2.69 KB	-rw-r--r--	2024-02-18 18:35
grange.py	2.1 KB	-rw-r--r--	2024-02-18 18:35
immutable.py	1.97 KB	-rw-r--r--	2024-02-18 18:35
inet.py	5.64 KB	-rw-r--r--	2024-02-18 18:35
ipv4.py	2.49 KB	-rw-r--r--	2024-02-18 18:35
ipv6.py	6.45 KB	-rw-r--r--	2024-02-18 18:35
message.py	64.45 KB	-rw-r--r--	2024-02-18 18:35
name.py	41.67 KB	-rw-r--r--	2024-02-18 18:35
namedict.py	3.91 KB	-rw-r--r--	2024-02-18 18:35
nameserver.py	9.68 KB	-rw-r--r--	2024-02-18 18:35
node.py	12.37 KB	-rw-r--r--	2024-02-18 18:35
opcode.py	2.67 KB	-rw-r--r--	2024-02-18 18:35
query.py	53.55 KB	-rw-r--r--	2024-02-18 18:35
rcode.py	4.06 KB	-rw-r--r--	2024-02-18 18:35
rdata.py	28.77 KB	-rw-r--r--	2024-02-18 18:35
rdataclass.py	2.91 KB	-rw-r--r--	2024-02-18 18:35
rdataset.py	16.36 KB	-rw-r--r--	2024-02-18 18:35
rdatatype.py	7.17 KB	-rw-r--r--	2024-02-18 18:35
renderer.py	10.99 KB	-rw-r--r--	2024-02-18 18:35
resolver.py	71.83 KB	-rw-r--r--	2024-02-18 18:35
reversename.py	3.74 KB	-rw-r--r--	2024-02-18 18:35
rrset.py	8.96 KB	-rw-r--r--	2024-02-18 18:35
serial.py	3.52 KB	-rw-r--r--	2024-02-18 18:35
set.py	8.88 KB	-rw-r--r--	2024-02-18 18:35
tokenizer.py	23.03 KB	-rw-r--r--	2024-02-18 18:35
transaction.py	22.11 KB	-rw-r--r--	2024-02-18 18:35
tsig.py	11.15 KB	-rw-r--r--	2024-02-18 18:35
tsigkeyring.py	2.57 KB	-rw-r--r--	2024-02-18 18:35
ttl.py	2.91 KB	-rw-r--r--	2024-02-18 18:35
update.py	11.96 KB	-rw-r--r--	2024-02-18 18:35
version.py	1.88 KB	-rw-r--r--	2024-02-18 18:35
versioned.py	11.49 KB	-rw-r--r--	2024-02-18 18:35
win32util.py	8.89 KB	-rw-r--r--	2024-02-18 18:35
wire.py	2.76 KB	-rw-r--r--	2024-02-18 18:35
xfr.py	12.96 KB	-rw-r--r--	2024-02-18 18:35
zone.py	50.87 KB	-rw-r--r--	2024-02-18 18:35
zonefile.py	27.27 KB	-rw-r--r--	2024-02-18 18:35
zonetypes.py	690 B	-rw-r--r--	2024-02-18 18:35

Rename

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license

# Copyright (C) 2003-2017 Nominum, Inc.
# Copyright (C) 2016 Coresec Systems AB
#
# 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.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND CORESEC SYSTEMS AB DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CORESEC
# SYSTEMS AB 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 name dictionary"""

# pylint seems to be confused about this one!
from collections.abc import MutableMapping  # pylint: disable=no-name-in-module

import dns.name

class NameDict(MutableMapping):
    """A dictionary whose keys are dns.name.Name objects.

In addition to being like a regular Python dictionary, this
    dictionary can also get the deepest match for a given key.
    """

__slots__ = ["max_depth", "max_depth_items", "__store"]

def __init__(self, *args, **kwargs):
        super().__init__()
        self.__store = dict()
        #: the maximum depth of the keys that have ever been added
        self.max_depth = 0
        #: the number of items of maximum depth
        self.max_depth_items = 0
        self.update(dict(*args, **kwargs))

def __update_max_depth(self, key):
        if len(key) == self.max_depth:
            self.max_depth_items = self.max_depth_items + 1
        elif len(key) > self.max_depth:
            self.max_depth = len(key)
            self.max_depth_items = 1

def __getitem__(self, key):
        return self.__store[key]

def __setitem__(self, key, value):
        if not isinstance(key, dns.name.Name):
            raise ValueError("NameDict key must be a name")
        self.__store[key] = value
        self.__update_max_depth(key)

def __delitem__(self, key):
        self.__store.pop(key)
        if len(key) == self.max_depth:
            self.max_depth_items = self.max_depth_items - 1
        if self.max_depth_items == 0:
            self.max_depth = 0
            for k in self.__store:
                self.__update_max_depth(k)

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

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

def has_key(self, key):
        return key in self.__store

def get_deepest_match(self, name):
        """Find the deepest match to *name* in the dictionary.

The deepest match is the longest name in the dictionary which is
        a superdomain of *name*.  Note that *superdomain* includes matching
        *name* itself.

*name*, a ``dns.name.Name``, the name to find.

Returns a ``(key, value)`` where *key* is the deepest
        ``dns.name.Name``, and *value* is the value associated with *key*.
        """

depth = len(name)
        if depth > self.max_depth:
            depth = self.max_depth
        for i in range(-depth, 0):
            n = dns.name.Name(name[i:])
            if n in self:
                return (n, self[n])
        v = self[dns.name.empty]
        return (dns.name.empty, v)