HEX
Server: Apache
System: Linux 162-240-236-42.bluehost.com 3.10.0-1160.114.2.el7.x86_64 #1 SMP Wed Mar 20 15:54:52 UTC 2024 x86_64
User: bt667 (1004)
PHP: 8.2.29
Disabled: NONE
Upload Files
File: //lib64/python2.7/site-packages/cffi/gc_weakref.py
from weakref import ref


class GcWeakrefs(object):
    def __init__(self, ffi):
        self.ffi = ffi
        self.data = {}

    def build(self, cdata, destructor):
        # make a new cdata of the same type as the original one
        new_cdata = self.ffi.cast(self.ffi._backend.typeof(cdata), cdata)
        #
        def remove(key):
            # careful, this function is not protected by any lock
            old_key = self.data.pop(index)
            assert old_key is key
            destructor(cdata)
        #
        key = ref(new_cdata, remove)
        index = object()
        self.data[index] = key
        return new_cdata