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

Edit: ipv4.py

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license # Copyright (C) 2003-2017 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. """IPv4 helper functions.""" import struct from typing import Union import dns.exception def inet_ntoa(address: bytes) -> str: """Convert an IPv4 address in binary form to text form. *address*, a ``bytes``, the IPv4 address in binary form. Returns a ``str``. """ if len(address) != 4: raise dns.exception.SyntaxError return "%u.%u.%u.%u" % (address[0], address[1], address[2], address[3]) def inet_aton(text: Union[str, bytes]) -> bytes: """Convert an IPv4 address in text form to binary form. *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. Returns a ``bytes``. """ if not isinstance(text, bytes): btext = text.encode() else: btext = text parts = btext.split(b".") if len(parts) != 4: raise dns.exception.SyntaxError for part in parts: if not part.isdigit(): raise dns.exception.SyntaxError if len(part) > 1 and part[0] == ord("0"): # No leading zeros raise dns.exception.SyntaxError try: b = [int(part) for part in parts] return struct.pack("BBBB", *b) except Exception: raise dns.exception.SyntaxError def canonicalize(text: Union[str, bytes]) -> str: """Verify that *address* is a valid text form IPv4 address and return its canonical text form. *text*, a ``str`` or ``bytes``, the IPv4 address in textual form. Raises ``dns.exception.SyntaxError`` if the text is not valid. """ # Note that inet_aton() only accepts canonial form, but we still run through # inet_ntoa() to ensure the output is a str. return dns.ipv4.inet_ntoa(dns.ipv4.inet_aton(text))
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