Source code for brainvisa.data.writediskitem

# -*- coding: utf-8 -*-
#  This software and supporting documentation are distributed by
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"""
This module defines the class :py:class:`WriteDiskItem` which is a subclass :py:class:`brainvisa.data.neuroData.Parameter`.
It is used to define an output data file as a parameter in a :py:class:`brainvisa.processes.Process` :py:class:`brainvisa.data.neuroData.Signature`.
"""

from __future__ import absolute_import
from soma.undefined import Undefined
from brainvisa.data.neuroData import Parameter
from brainvisa.data.readdiskitem import ReadDiskItem
from brainvisa.data.neuroDiskItems import getFormats, getDiskItemType, DiskItem, isSameDiskItemType
from brainvisa.data.readdiskitem import ReadDiskItem


#----------------------------------------------------------------------------
[docs]class WriteDiskItem(ReadDiskItem): """ The expected value for this parameter must be a writable :py:class:`brainvisa.data.neuroDiskItems.DiskItem`. :Syntax: :: WriteDiskItem( file_type_name, formats [, required_attributes={}, exactType=0, ignoreAttributes=0] ) formats <- format_name formats <- [ format_name, ... ] This parameter type is very close to ReadDiskItem (WriteDiskItem derives from ReadDiskItem), but it accepts writable files. That is to say, it accepts not only files that are accepted by a ReadDiskItem but also files that doesn't exist yet. It has the same search methods as the ReadDiskItem class but these methods generate diskitems that may not exist yet, using data ontology information. """ def __init__(self, diskItemType, formats, requiredAttributes={}, exactType=False, ignoreAttributes=False, _debug=None, section=None): ReadDiskItem.__init__(self, diskItemType, formats, requiredAttributes=requiredAttributes, ignoreAttributes=ignoreAttributes, enableConversion=False, _debug=_debug, exactType=exactType, section=section) self._write = True def checkValue(self, name, value): Parameter.checkValue(self, name, value) def typeInfo(self, translator=None): if translator: translate = translator.translate else: translate = _t_ ti = super(WriteDiskItem, self).typeInfo(translator) return (ti[0], ) + ((translate('Access'), translate('output')), ) + ti[2:]