Gecko [ v99win.today ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
rdtypes	[ DIR ]	drwxr-xr-x
__init__.py	1.56 KB	-rw-r--r--
_asyncbackend.py	1.53 KB	-rw-r--r--
_asyncio_backend.py	4.34 KB	-rw-r--r--
_curio_backend.py	3.33 KB	-rw-r--r--
_immutable_attr.py	2.92 KB	-rw-r--r--
_immutable_ctx.py	2.4 KB	-rw-r--r--
_trio_backend.py	3.68 KB	-rw-r--r--
asyncbackend.py	3 KB	-rw-r--r--
asyncquery.py	17.4 KB	-rw-r--r--
asyncresolver.py	8.71 KB	-rw-r--r--
dnssec.py	19.19 KB	-rw-r--r--
e164.py	3.6 KB	-rw-r--r--
edns.py	10.72 KB	-rw-r--r--
entropy.py	4.07 KB	-rw-r--r--
enum.py	2.75 KB	-rw-r--r--
exception.py	5.13 KB	-rw-r--r--
flags.py	2.58 KB	-rw-r--r--
grange.py	2.04 KB	-rw-r--r--
immutable.py	1.97 KB	-rw-r--r--
inet.py	4.74 KB	-rw-r--r--
ipv4.py	1.93 KB	-rw-r--r--
ipv6.py	5.92 KB	-rw-r--r--
message.py	52.73 KB	-rw-r--r--
name.py	31.54 KB	-rw-r--r--
namedict.py	3.83 KB	-rw-r--r--
node.py	6.42 KB	-rw-r--r--
opcode.py	2.58 KB	-rw-r--r--
py.typed	0 B	-rw-r--r--
query.py	40.46 KB	-rw-r--r--
rcode.py	3.9 KB	-rw-r--r--
rdata.py	24.32 KB	-rw-r--r--
rdataclass.py	2.81 KB	-rw-r--r--
rdataset.py	14.54 KB	-rw-r--r--
rdatatype.py	6.64 KB	-rw-r--r--
renderer.py	8.59 KB	-rw-r--r--
resolver.py	59.29 KB	-rw-r--r--
reversename.py	3.65 KB	-rw-r--r--
rrset.py	7.44 KB	-rw-r--r--
serial.py	3.53 KB	-rw-r--r--
set.py	7.64 KB	-rw-r--r--
tokenizer.py	21.86 KB	-rw-r--r--
transaction.py	16.93 KB	-rw-r--r--
tsig.py	10.93 KB	-rw-r--r--
tsigkeyring.py	2.43 KB	-rw-r--r--
ttl.py	2.58 KB	-rw-r--r--
update.py	10.55 KB	-rw-r--r--
version.py	1.55 KB	-rw-r--r--
versioned.py	15.91 KB	-rw-r--r--
wire.py	2.48 KB	-rw-r--r--
xfr.py	11.61 KB	-rw-r--r--
zone.py	34.25 KB	-rw-r--r--
zonefile.py	15.25 KB	-rw-r--r--

Name

Size

Permission

Action

__pycache__

[ DIR ]

drwxr-xr-x

rdtypes

[ DIR ]

drwxr-xr-x

__init__.py

1.56 KB

-rw-r--r--

_asyncbackend.py

1.53 KB

-rw-r--r--

_asyncio_backend.py

4.34 KB

-rw-r--r--

_curio_backend.py

3.33 KB

-rw-r--r--

_immutable_attr.py

2.92 KB

-rw-r--r--

_immutable_ctx.py

2.4 KB

-rw-r--r--

_trio_backend.py

3.68 KB

-rw-r--r--

asyncbackend.py

3 KB

-rw-r--r--

asyncquery.py

17.4 KB

-rw-r--r--

asyncresolver.py

8.71 KB

-rw-r--r--

dnssec.py

19.19 KB

-rw-r--r--

e164.py

3.6 KB

-rw-r--r--

edns.py

10.72 KB

-rw-r--r--

entropy.py

4.07 KB

-rw-r--r--

enum.py

2.75 KB

-rw-r--r--

exception.py

5.13 KB

-rw-r--r--

flags.py

2.58 KB

-rw-r--r--

grange.py

2.04 KB

-rw-r--r--

immutable.py

1.97 KB

-rw-r--r--

inet.py

4.74 KB

-rw-r--r--

ipv4.py

1.93 KB

-rw-r--r--

ipv6.py

5.92 KB

-rw-r--r--

message.py

52.73 KB

-rw-r--r--

name.py

31.54 KB

-rw-r--r--

namedict.py

3.83 KB

-rw-r--r--

node.py

6.42 KB

-rw-r--r--

opcode.py

2.58 KB

-rw-r--r--

py.typed

0 B

-rw-r--r--

query.py

40.46 KB

-rw-r--r--

rcode.py

3.9 KB

-rw-r--r--

rdata.py

24.32 KB

-rw-r--r--

rdataclass.py

2.81 KB

-rw-r--r--

rdataset.py

14.54 KB

-rw-r--r--

rdatatype.py

6.64 KB

-rw-r--r--

renderer.py

8.59 KB

-rw-r--r--

resolver.py

59.29 KB

-rw-r--r--

reversename.py

3.65 KB

-rw-r--r--

rrset.py

7.44 KB

-rw-r--r--

serial.py

3.53 KB

-rw-r--r--

set.py

7.64 KB

-rw-r--r--

tokenizer.py

21.86 KB

-rw-r--r--

transaction.py

16.93 KB

-rw-r--r--

tsig.py

10.93 KB

-rw-r--r--

tsigkeyring.py

2.43 KB

-rw-r--r--

ttl.py

2.58 KB

-rw-r--r--

update.py

10.55 KB

-rw-r--r--

version.py

1.55 KB

-rw-r--r--

versioned.py

15.91 KB

-rw-r--r--

wire.py

2.48 KB

-rw-r--r--

xfr.py

11.61 KB

-rw-r--r--

zone.py

34.25 KB

-rw-r--r--

zonefile.py

15.25 KB

-rw-r--r--

Code Editor : _immutable_ctx.py

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

# This implementation of the immutable decorator requires python >=
# 3.7, and is significantly more storage efficient when making classes
# with slots immutable.  It's also faster.

import contextvars
import inspect

_in__init__ = contextvars.ContextVar('_immutable_in__init__', default=False)

class _Immutable:
    """Immutable mixin class"""

# We set slots to the empty list to say "we don't have any attributes".
    # We do this so that if we're mixed in with a class with __slots__, we
    # don't cause a __dict__ to be added which would waste space.

__slots__ = ()

def __setattr__(self, name, value):
        if _in__init__.get() is not self:
            raise TypeError("object doesn't support attribute assignment")
        else:
            super().__setattr__(name, value)

def __delattr__(self, name):
        if _in__init__.get() is not self:
            raise TypeError("object doesn't support attribute assignment")
        else:
            super().__delattr__(name)

def _immutable_init(f):
    def nf(*args, **kwargs):
        previous = _in__init__.set(args[0])
        try:
            # call the actual __init__
            f(*args, **kwargs)
        finally:
            _in__init__.reset(previous)
    nf.__signature__ = inspect.signature(f)
    return nf

def immutable(cls):
    if _Immutable in cls.__mro__:
        # Some ancestor already has the mixin, so just make sure we keep
        # following the __init__ protocol.
        cls.__init__ = _immutable_init(cls.__init__)
        if hasattr(cls, '__setstate__'):
            cls.__setstate__ = _immutable_init(cls.__setstate__)
        ncls = cls
    else:
        # Mixin the Immutable class and follow the __init__ protocol.
        class ncls(_Immutable, cls):
            # We have to do the __slots__ declaration here too!
            __slots__ = ()

@_immutable_init
            def __init__(self, *args, **kwargs):
                super().__init__(*args, **kwargs)

if hasattr(cls, '__setstate__'):
                @_immutable_init
                def __setstate__(self, *args, **kwargs):
                    super().__setstate__(*args, **kwargs)

# make ncls have the same name and module as cls
        ncls.__name__ = cls.__name__
        ncls.__qualname__ = cls.__qualname__
        ncls.__module__ = cls.__module__
    return ncls

${this.title}

Code Editor : _immutable_ctx.py