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Direktori : /usr/lib64/python2.7/site-packages/cffi/ |
Current File : //usr/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