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How to use finalizer method in pytest-asyncio

Best Python code snippet using pytest-asyncio_python

finalizer.py

Source:finalizer.py

...18    `ThreadSafeFinalizer` is thread-safe and uses reentrant lock on each operation."""19    finalizers = {}20    lock = RLock()21    @classmethod22    def add_finalizer(cls, id, weak_ref):23        """Registers a finalizer with an id.24        :param id: The id of the object referenced by the weak reference.25        :param weak_ref: The weak reference to register.26        """27        with cls.lock:28            cls.finalizers[id] = weak_ref29    @classmethod30    def remove_finalizer(cls, id):31        """Removes a finalizer associated with this id.32        :param id: The id of the object for which the finalizer will be deleted.33        """34        with cls.lock:35            cls.finalizers.pop(id, None)36    @classmethod37    def clear_finalizers(cls, clear_all=False):38        """Removes all registered finalizers.39        :param clear_all: If `True`, all finalizers are deleted. Otherwise, only the finalizers from40                          an empty weak reference are deleted (i.e., weak references pointing to41                          inexistent objects).42        """43        with cls.lock:44            if clear_all:45                cls.finalizers.clear()46            else:47                for id, ref in items(cls.finalizers):48                    if ref() is None:49                        cls.finalizers.pop(id, None)50class Finalizer(object):51    """A `Finalizer` is a global class used to register weak reference finalizers52    (i.e., a weak reference with a callback).53    This class is useful when one wants to register a finalizer of an object with circular references.54    The finalizer of an object with circular references might never be called if the object's finalizer55    is kept by the same object.56    For example, if object A refers to B and B refers to A, A should not keep a weak reference to itself.57    `Finalizer` is not thread-safe and should only be used by single-threaded programs."""58    finalizers = {}59    @classmethod60    def add_finalizer(cls, id, weak_ref):61        """Registers a finalizer with an id.62        :param id: The id of the object referenced by the weak reference.63        :param weak_ref: The weak reference to register.64        """65        cls.finalizers[id] = weak_ref66    @classmethod67    def remove_finalizer(cls, id):68        """Removes a finalizer associated with this id.69        :param id: The id of the object for which the finalizer will be deleted.70        """71        cls.finalizers.pop(id, None)72    @classmethod73    def clear_finalizers(cls, clear_all=False):74        """Removes all registered finalizers.75        :param clear_all: If `True`, all finalizers are deleted. Otherwise, only the finalizers from76                          an empty weak reference are deleted (i.e., weak references pointing to77                          inexistent objects).78        """79        if clear_all:80            cls.finalizers.clear()81        else:...

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