Y &zddlmZddlZddlZddlZddlZddlZddlmZm Z ddl m Z ddl m Z ddlmZmZddlmZdd lmZer&ddlZdd lmZej0d k\rdd lmZndd lmZej6d ZGddZe GddZGddee ZGddeej@Z!ddgZ"y)) annotationsN)ABCabstractmethod) dataclass)local) TYPE_CHECKINGAny)WeakValueDictionary)Timeout) TracebackType) )Selffilelockc8eZdZdZddZddZ ddZy) AcquireReturnProxyzDA context-aware object that will release the lock file when exiting.c||_yNlock)selfrs 2/usr/lib/python3.12/site-packages/filelock/_api.py__init__zAcquireReturnProxy.__init__#s  c|jSrrrs r __enter__zAcquireReturnProxy.__enter__&s yyrc8|jjyr)rreleaserexc_type exc_value tracebacks r__exit__zAcquireReturnProxy.__exit__)s rN)r BaseFileLockreturnNone)r'r&r"ztype[BaseException] | Noner#zBaseException | Noner$zTracebackType | Noner'r()__name__ __module__ __qualname____doc__rrr%rrrr s:N,((   rrcLeZdZUdZded<ded<ded<dZd ed <d Zded <y) FileLockContextzBA dataclass which holds the context for a ``BaseFileLock`` object.str lock_filefloattimeoutintmodeNz int | None lock_file_fdr lock_counter)r*r+r,r-__annotations__r7r8r.rrr0r02s2L NN I $L*#L#rr0ceZdZdZy)ThreadLocalFileContextz8A thread local version of the ``FileLockContext`` class.N)r*r+r,r-r.rrr;r;IsBrr;ceZdZUdZded< ddd dfdZdfd Z ddd dd Zdd Ze dd Z e d d Z e d!d Z e jd"dZ e d#dZed$dZed$dZe ddZe d#dZ d%ddd d&dZd'd(dZd)dZ d*dZd$dZxZS)+r&z+Abstract base class for a file lock object.z&WeakValueDictionary[str, BaseFileLock] _instancesTF) is_singletonc |st ||S|jjt |}|s)t ||}||jt |<|S||j k7s||j k7r d}t||S)zYCreate a new lock object or if specified return the singleton instance for the lock file.zGSingleton lock instances cannot be initialized with differing arguments)super__new__r=getr1r4r6 ValueError) clsr2r4r6 thread_localr>kwargsinstancemsg __class__s rrAzBaseFileLock.__new__Rs7?3' '>>%%c)n5ws+H-5CNN3y> *  (( (DHMM,A[CS/ !rc Bt|di|t|_y)z'Setup unique state for lock subclasses.Nr.)r@__init_subclass__r r=)rDrFrIs rrKzBaseFileLock.__init_subclass__js !+F+,.rc||_||_tj|||d}|rtnt di||_y)a Create a new lock object. :param lock_file: path to the file :param timeout: default timeout when acquiring the lock, in seconds. 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. :param mode: file permissions for the lockfile :param thread_local: Whether this object's internal context should be thread local or not. If this is set to ``False`` then the lock will be reentrant across threads. :param is_singleton: If this is set to ``True`` then only one instance of this class will be created per lock file. 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N)rQr7rs r is_lockedzBaseFileLock.is_lockeds}}))55rc.|jjS)zP:return: The number of times this lock has been acquired (but not yet released).)rQr8rs rr8zBaseFileLock.lock_counters}})))rN)poll_intervallblockingc||jj}| d}tj|td|}|jxj dz c_t |}|j}tj} |js'tjd|||j|jrtjd||n|dur"tjd||t|d |cxkrtj|z kr%nn"tjd ||t|d }tj||||tj| t%| S#t $r4t#d |jj dz |j_wxYw) a_ Try to acquire the file lock. :param timeout: maximum wait time for acquiring the lock, ``None`` means use the default :attr:`~timeout` is and if ``timeout < 0``, there is no timeout and this method will block until the lock could be acquired :param poll_interval: interval of trying to acquire the lock file :param poll_intervall: deprecated, kept for backwards compatibility, use ``poll_interval`` instead :param blocking: defaults to True. If False, function will return immediately if it cannot obtain a lock on the first attempt. Otherwise, this method will block until the timeout expires or the lock is acquired. :raises Timeout: if fails to acquire lock within the timeout period :return: a context object that will unlock the file when the context is exited .. code-block:: python # You can use this method in the context manager (recommended) with lock.acquire(): pass # Or use an equivalent try-finally construct: lock.acquire() try: pass finally: lock.release() .. versionchanged:: 2.0.0 This method returns now a *proxy* object instead of *self*, so that it can be used in a with statement without side effects. z+use poll_interval instead of poll_intervall) stacklevelr z#Attempting to acquire lock %s on %szLock %s acquired on %sFz+Failed to immediately acquire lock %s on %srz"Timeout on acquiring lock %s on %sz2Lock %s not acquired on %s, waiting %s seconds ...r)rQr4warningswarnDeprecationWarningr8idr2time perf_counterrb_LOGGERdebugr]r sleep BaseExceptionmaxr) rr4 poll_intervalrdrerHlock_id lock_filename start_times racquirezBaseFileLock.acquiresP ?mm++G  %?C MM#1a @*M ""a'"T( &&(  ~~MM"GR_`MMO>>MM":G]Su$MM"OQXZgh!-00B$"3"3"5 "BBMM"FQ^_!-00J c7M=I =) "t,, ),Q 0J0JQ0N)ODMM &  s C3F=Gc`|jr|jxjdzc_|jjdk(s|rgt||j}}t j d|||jd|j_t j d||yyy)a+ Releases the file lock. 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"q#"q)"q"q "q  "q"q "qH%""''%% ^^--"""""" 6 6** !%#J- (, J-J-J- % J-  J- J-XP&,((    !rr&)# __future__r contextlibloggingrOrmriabcrr dataclassesr threadingrtypingrr weakrefr _errorr systypesr version_infortyping_extensions getLoggerrorr0r;ContextDecoratorr&__all__r.rrrs" #!%'# 7"* '  J ' $  ,C_eCB!3 33B!L r