Class t.p.d.Shelf(DirDBM):

Part of twisted.persisted.dirdbm View Source View In Hierarchy

A directory with a DBM shelf interface.

This class presents a hash-like interface to a directory of small, flat files. Keys must be strings, but values can be any given object.

Method	__setitem__	`shelf[foo] = bar`
Method	__getitem__	`dirdbm[foo]`

Inherited from DirDBM:

Method	__init__
Method	_encode	Encode a key so it can be used as a filename.
Method	_decode	Decode a filename to get the key.
Method	_readFile	Read in the contents of a file.
Method	_writeFile	Write data to a file.
Method	__len__
Method	__delitem__	`del dirdbm[foo]`
Method	keys
Method	values
Method	items
Method	has_key
Method	setdefault
Method	get
Method	__contains__	`key in dirdbm`
Method	update	Add all the key/value pairs in `dict` to this dirdbm. Any conflicting
Method	copyTo	Copy the contents of this dirdbm to the dirdbm at `path`.
Method	clear	Delete all key/value pairs in this dirdbm.
Method	close	Close this dbm: no-op, for dbm-style interface compliance.
Method	getModificationTime	Returns modification time of an entry.

def __setitem__(self, k, v): (source)

overrides twisted.persisted.dirdbm.DirDBM.__setitem__

shelf[foo] = bar Create or modify a textfile in this directory.

Parameters	k	The key to set (type: str )
	v	The value to associate with `key`

def __getitem__(self, k): (source)

overrides twisted.persisted.dirdbm.DirDBM.__getitem__

dirdbm[foo] Get and unpickle the contents of a file in this directory.

Parameters	k	The key to lookup (type: str )
Returns	The value associated with the given key
Raises	KeyError	Raised if the given key does not exist

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