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_api.cpython-310.pyc
o ;�b� � @ s� d dl mZ d dlZd dlZd dlZd dlZd dlZd dlmZm Z d dl m Z d dl m Z d dlmZ ddlmZ e�d �ZG d d � d �ZG d d � d eej�Zd d gZdS )� )� annotationsN)�ABC�abstractmethod)�Lock)� TracebackType)�Any� )�Timeout�filelockc @ s. e Zd ZdZddd�Zddd �Zddd�ZdS )�AcquireReturnProxyzDA context aware object that will release the lock file when exiting.�lock� BaseFileLock�return�Nonec C s || _ d S �N�r )�selfr � r �//usr/lib/python3/dist-packages/filelock/_api.py�__init__ s zAcquireReturnProxy.__init__c C � | j S r r �r r r r � __enter__ s z AcquireReturnProxy.__enter__�exc_type�type[BaseException] | None� exc_value�BaseException | None� traceback�TracebackType | Nonec C s | j �� d S r )r �release�r r r r r r r �__exit__ s zAcquireReturnProxy.__exit__N)r r r r �r r �r r r r r r r r )�__name__� __module__� __qualname__�__doc__r r r! r r r r r s r c @ s� e Zd ZdZd3d4d d �Zed5d d ��Zed6dd��Zejd7dd��Ze d8dd��Z e d8dd��Z ed9dd��Z d:dd �d;d!d"�Z d<d=d%d&�Zd>d'd(�Zd?d/d0�Zd8d1d2�ZdS )@r z+Abstract base class for a file lock object.���� lock_file�str | os.PathLike[Any]�timeout�floatr r c C s* t �|�| _d| _|| _t� | _d| _dS )a� Create a new lock object. :param lock_file: path to the file :param timeout: default timeout when acquiring the lock. It will be used as fallback value in the acquire method, if no timeout value (``None``) is given. If you want to disable the timeout, set it to a negative value. A timeout of 0 means, that there is exactly one attempt to acquire the file lock. Nr )�os�fspath� _lock_file� _lock_file_fdr+ r � _thread_lock� _lock_counter)r r) r+ r r r r * s zBaseFileLock.__init__�strc C r )z :return: path to the lock file)r/ r r r r r) D s zBaseFileLock.lock_filec C r )zU :return: the default timeout value .. versionadded:: 2.0.0 )�_timeoutr r r r r+ I s zBaseFileLock.timeout�value� float | strc C s t |�| _dS )zX Change the default timeout value. :param value: the new value N)r, r4 )r r5 r r r r+ R s c C � t �)zbIf the file lock could be acquired, self._lock_file_fd holds the file descriptor of the lock file.��NotImplementedErrorr r r r �_acquire[ � zBaseFileLock._acquirec C r7 )z6Releases the lock and sets self._lock_file_fd to None.r8 r r r r �_release` r; zBaseFileLock._release�boolc C s | j duS )z� :return: A boolean indicating if the lock file is holding the lock currently. .. versionchanged:: 2.0.0 This was previously a method and is now a property. N)r0 r r r r � is_lockede s zBaseFileLock.is_lockedN皙�����?)�poll_intervall� float | None� poll_intervalr@ r c C s� |du r| j }|durd}tj|tdd� |}| j� | jd7 _W d � n1 s,w Y t| �}| j}t� � }z[ | j� | j sPt � d||� | � � W d � n1 sZw Y | j rjt � d||� n,d | krxt� � | k r�n n t � d ||� t| j��d }t � ||||� t�|� q>W n$ ty� | j� td | jd �| _W d � � 1 s�w Y � w t| d �S ) az Try to acquire the file lock. :param timeout: maximum wait time for acquiring the lock, ``None`` means use the default :attr:`~timeout` is and if ``timeout < 0``, there is no timeout and this method will block until the lock could be acquired :param poll_interval: interval of trying to acquire the lock file :param poll_intervall: deprecated, kept for backwards compatibility, use ``poll_interval`` instead :raises Timeout: if fails to acquire lock within the timeout period :return: a context object that will unlock the file when the context is exited .. code-block:: python # You can use this method in the context manager (recommended) with lock.acquire(): pass # Or use an equivalent try-finally construct: lock.acquire() try: pass finally: lock.release() .. versionchanged:: 2.0.0 This method returns now a *proxy* object instead of *self*, so that it can be used in a with statement without side effects. Nz+use poll_interval instead of poll_intervall� )� stacklevelr Tz#Attempting to acquire lock %s on %szLock %s acquired on %sr z"Timeout on acquiring lock %s on %sz2Lock %s not acquired on %s, waiting %s seconds ...r )r+ �warnings�warn�DeprecationWarningr1 r2 �idr/ �time� monotonicr> �_LOGGER�debugr: r �sleep� BaseException�maxr )r r+ rB r@ �msg�lock_id� lock_filename� start_timer r r �acquireq sP % �� � � ��� zBaseFileLock.acquireF�forcec C s� | j �G | jr:| jd8 _| jdks|rBt| �| j}}t�d||� | �� d| _t�d||� W d � dS W d � dS W d � dS 1 sMw Y dS )a* Releases the file lock. Please note, that the lock is only completely released, if the lock counter is 0. Also note, that the lock file itself is not automatically deleted. :param force: If true, the lock counter is ignored and the lock is released in every case/ r r z#Attempting to release lock %s on %szLock %s released on %sN)r1 r> r2 rH r/ rK rL r< )r rU rQ rR r r r r � s ��"�zBaseFileLock.releasec C s | � � | S )zE Acquire the lock. :return: the lock object )rT r r r r r � s zBaseFileLock.__enter__r r r r r r c C s | � � dS )z� Release the lock. :param exc_type: the exception type if raised :param exc_value: the exception value if raised :param traceback: the exception traceback if raised N�r r r r r r! � s zBaseFileLock.__exit__c C s | j dd� dS )z'Called when the lock object is deleted.T)rU NrV r r r r �__del__� s zBaseFileLock.__del__)r( )r) r* r+ r, r r )r r3 )r r, )r5 r6 r r )r r )r r= )Nr? )r+ rA rB r, r@ rA r r )F)rU r= r r r" r# )r$ r% r& r' r �propertyr) r+ �setterr r: r< r> rT r r r! rW r r r r r ' s0 �� K r )� __future__r � contextlib�loggingr- rI rE �abcr r � threadingr �typesr �typingr �_errorr � getLoggerrK r �ContextDecoratorr �__all__r r r r �<module> s$ H�