grthtrhthjhtyjytjytkergtrhtrjytjerhrfh4:24 29/09/2026î   fÉBã@s®dZddlmZmZddlmZmZddlZddlZddl Z dZ d Z dd„Z edd d d d gƒZ Gd d„deƒZGdd„ddeƒZGdd„deƒZGdd„deƒZeedƒr Gdd„deƒZneedƒr4Gdd„deƒZneedƒr\Gdd„deƒZndeƒkrteZn6deƒkrŒeZndeƒkr¤eZneZdS)!z|Selectors module. This module allows high-level and efficient I/O multiplexing, built upon the `select` module primitives. é)ÚABCMetaÚabstractmethod)Ú namedtupleÚMappingNéc CsŒt|tƒr|}nLyt|jƒƒ}Wn3tttfk rctdj|ƒƒd‚YnX|dkrˆtdj|ƒƒ‚n|S)zÕReturn a file descriptor from a file object. Parameters: fileobj -- file object or file descriptor Returns: corresponding file descriptor Raises: ValueError if the object is invalid zInvalid file object: {!r}NrzInvalid file descriptor: {})Ú isinstanceÚintÚfilenoÚAttributeErrorÚ TypeErrorÚ ValueErrorÚformat)ÚfileobjÚfd©rú./opt/alt/python34/lib64/python3.4/selectors.pyÚ_fileobj_to_fds    rÚ SelectorKeyrrÚeventsÚdatac@sFeZdZdZdd„Zdd„Zdd„Zdd „Zd S) Ú_SelectorMappingz)Mapping of file objects to selector keys.cCs ||_dS)N)Ú _selector)ÚselfZselectorrrrÚ__init__5sz_SelectorMapping.__init__cCst|jjƒS)N)ÚlenrÚ _fd_to_key)rrrrÚ__len__8sz_SelectorMapping.__len__c CsUy$|jj|ƒ}|jj|SWn*tk rPtdj|ƒƒd‚YnXdS)Nz{!r} is not registered)rÚ_fileobj_lookuprÚKeyErrorr )rrrrrrÚ __getitem__;s  z_SelectorMapping.__getitem__cCst|jjƒS)N)Úiterrr)rrrrÚ__iter__Bsz_SelectorMapping.__iter__N)Ú__name__Ú __module__Ú __qualname__Ú__doc__rrrr!rrrrr2s    rc@s£eZdZdZeddd„ƒZedd„ƒZddd„Zedd d „ƒZd d „Z d d„Z edd„ƒZ dd„Z dd„Z dS)Ú BaseSelectora-Selector abstract base class. A selector supports registering file objects to be monitored for specific I/O events. A file object is a file descriptor or any object with a `fileno()` method. An arbitrary object can be attached to the file object, which can be used for example to store context information, a callback, etc. A selector can use various implementations (select(), poll(), epoll()...) depending on the platform. The default `Selector` class uses the most efficient implementation on the current platform. NcCs t‚dS)a3Register a file object. Parameters: fileobj -- file object or file descriptor events -- events to monitor (bitwise mask of EVENT_READ|EVENT_WRITE) data -- attached data Returns: SelectorKey instance Raises: ValueError if events is invalid KeyError if fileobj is already registered OSError if fileobj is closed or otherwise is unacceptable to the underlying system call (if a system call is made) Note: OSError may or may not be raised N)ÚNotImplementedError)rrrrrrrÚregisterUszBaseSelector.registercCs t‚dS)ajUnregister a file object. Parameters: fileobj -- file object or file descriptor Returns: SelectorKey instance Raises: KeyError if fileobj is not registered Note: If fileobj is registered but has since been closed this does *not* raise OSError (even if the wrapped syscall does) N)r')rrrrrÚ unregisterlszBaseSelector.unregistercCs |j|ƒ|j|||ƒS)ayChange a registered file object monitored events or attached data. Parameters: fileobj -- file object or file descriptor events -- events to monitor (bitwise mask of EVENT_READ|EVENT_WRITE) data -- attached data Returns: SelectorKey instance Raises: Anything that unregister() or register() raises )r)r()rrrrrrrÚmodifys zBaseSelector.modifycCs t‚dS)aqPerform the actual selection, until some monitored file objects are ready or a timeout expires. Parameters: timeout -- if timeout > 0, this specifies the maximum wait time, in seconds if timeout <= 0, the select() call won't block, and will report the currently ready file objects if timeout is None, select() will block until a monitored file object becomes ready Returns: list of (key, events) for ready file objects `events` is a bitwise mask of EVENT_READ|EVENT_WRITE N)r')rÚtimeoutrrrÚselect�szBaseSelector.selectcCsdS)zmClose the selector. This must be called to make sure that any underlying resource is freed. Nr)rrrrÚclose£szBaseSelector.closec Cs^|jƒ}y!|dkr$t‚n||SWn*tk rYtdj|ƒƒd‚YnXdS)zzReturn the key associated to a registered file object. Returns: SelectorKey for this file object Nz{!r} is not registered)Úget_maprr )rrÚmappingrrrÚget_keyªs     zBaseSelector.get_keycCs t‚dS)z2Return a mapping of file objects to selector keys.N)r')rrrrr.¸szBaseSelector.get_mapcCs|S)Nr)rrrrÚ __enter__½szBaseSelector.__enter__cGs|jƒdS)N)r-)rÚargsrrrÚ__exit__ÀszBaseSelector.__exit__)r"r#r$r%rr(r)r*r,r-r0r.r1r3rrrrr&Fs    r&Ú metaclassc@s|eZdZdZdd„Zdd„Zddd„Zd d „Zdd d „Zd d„Z dd„Z dd„Z dS)Ú_BaseSelectorImplzBase selector implementation.cCsi|_t|ƒ|_dS)N)rrÚ_map)rrrrrÇs z_BaseSelectorImpl.__init__c CsZyt|ƒSWnEtk rUx-|jjƒD]}|j|kr.|jSq.W‚YnXdS)alReturn a file descriptor from a file object. This wraps _fileobj_to_fd() to do an exhaustive search in case the object is invalid but we still have it in our map. This is used by unregister() so we can unregister an object that was previously registered even if it is closed. It is also used by _SelectorMapping. 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