Package conary :: Package lib :: Module util :: Class LazyFileCache

Class LazyFileCache

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An object tracking open files. It will serve file-like objects that get closed behind the scene (and reopened on demand) if the number of open files in the current process exceeds a threshold. The objects will close automatically when they fall out of scope.

Instance Methods

[hide private]

__init__(self, threshold=None)
PUBLIC API

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open(self, path, mode='r')
PUBLIC API source code

_getFdCount(self)

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_getCounter(self)

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_getSlot(self)

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_closeSlot(self, fd)

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close(self)
PUBLIC API

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release(self)
Release the file descriptors kept open by the LazyFile objects

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__del__(self)
PUBLIC API

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Class Variables

[hide private]

threshold = 900

Method Details

[hide private]

init(self, threshold=None)
(Constructor)

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PUBLIC API

Decorators:

@api.publicApi

open(self, path, mode=`'r'`)

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PUBLIC API

Decorators:

@api.publicApi

Raises:

IOError - raised if there's an I/O error opening the fd
OSError - raised on other errors opening the fd

close(self)

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PUBLIC API

Decorators:

@api.publicApi

Raises:

IOError - could be raised if tell() fails prior to close()

del(self)
(Destructor)

source code

PUBLIC API

Decorators:

@api.publicApi

Raises:

IOError - could be raised if tell() fails prior to close()

Class LazyFileCache

__init__(self, threshold=None) (Constructor)

open(self, path, mode='r')

close(self)

__del__(self) (Destructor)

init(self, threshold=None)
(Constructor)

open(self, path, mode=`'r'`)

del(self)
(Destructor)