Source code for brainvisa.data.labelSelection

# -*- coding: utf-8 -*-
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'''
@author: Dominique Geffroy
@organization: U{NeuroSpin<http://www.neurospin.org>} and U{IFR 49<http://www.ifr49.org>}
@license: U{CeCILL version 2<http://www.cecill.info/licences/Licence_CeCILL_V2-en.html>}
'''

from __future__ import absolute_import
from brainvisa.data.neuroData import Parameter
from brainvisa.data.qtgui.neuroDataGUI import NotImplementedEditor
from brainvisa.data.writediskitem import WriteDiskItem
from brainvisa.data.qtgui.labelSelectionGUI import LabelSelectionEditor
from brainvisa.processes import defaultContext
from brainvisa.configuration import neuroConfig
import soma.minf.api as minf
import soma.subprocess
import six

#----------------------------------------------------------------------------


[docs]class LabelSelection(Parameter): """ Select labels in a nomenclature. """ def __init__(self, model=None, nomencl=None, **kwargs): Parameter.__init__(self) self.value = kwargs.get('value', {}) self.fileDI = kwargs.get('fileDI', WriteDiskItem('Labels selection', 'selection')) self.file = None if model: self.value['model'] = model if nomencl: self.value['nomenclature'] = nomencl def __str__(self): return "{ 'value' : " + repr( self.value ) \ + ", 'fileDI' : WriteDiskItem( " + repr( self.fileDI.type.name ) \ + ", " + repr(self.fileDI.formats) + " ) }" def findValue(self, value): if isinstance(value, six.string_types): value = LabelSelection(**eval(value)) return value def editor(self, parent, name, context): return LabelSelectionEditor(self, parent, name) def listEditor(self, parent, name, context): return NotImplementedEditor(parent) def getAutoSelection(self): model = self.value.get('model') nom = self.value.get('nomenclature') fsel = self.file psel = self.value.get('selection') cmd = ['AimsLabelSelector', '-b'] if model: cmd += ['-m', model] if nom: cmd += ['-n', nom] if psel: cmd += ['-p', '-'] elif fsel: cmd += ['-p', fsel.fullPath()] if neuroConfig.platform == 'windows': pipe = soma.subprocess.Popen(cmd, stdin=soma.subprocess.PIPE, stdout=soma.subprocess.PIPE) else: pipe = soma.subprocess.Popen(cmd, stdin=soma.subprocess.PIPE, stdout=soma.subprocess.PIPE, close_fds=True) stdout, stdin = pipe.stdout, pipe.stdin if(psel): stdin.write(psel) stdin.flush() s = stdout.read() stdin.close() stdout.close() return s def writeSelection(self, context=None): if context is None: context = defaultContext() s = self.getAutoSelection().decode('utf-8') if not self.file: self.file = context.temporary('selection') try: f = open(self.file.fullPath(), 'w') except IOError: context.write('<b><font color="#c00000">Warning:</font></b> ' 'writeSelection: file', self.file.fullPath(), "can't be written<br>") self.file = context.temporary('selection') f = open(self.file.fullPath(), 'w') f.write(s) f.close() return s def isValid(self): if not self.file: return False m = minf.readMinf(self.file.fullPath()) m = m[0] if len(m) == 0 or (len(m) == 1 and list(m.keys())[0] == '__syntax__'): return False return True