io_helpers.py 文件源码

def sri(self):
        if self._sri != None:
            return _copy.copy(self._sri)
        else:
            # make a default sri from the current state
            keywords = []
            try:
                for key in self._SRIKeywords:
                    keywords.append(_CF.DataType(key._name, _getAnyValue(key)))
            except:
                pass
            candidateSri = _BULKIO.StreamSRI(1, 0.0, 1, 0, self._subsize, 0.0, 0, 0, 0,
                                             "defaultStreamID", self._blocking, keywords)
            if self._sampleRate > 0.0:
                candidateSri.xdelta = 1.0/float(self._sampleRate)

            if self._complexData and self._complexData == True:
                candidateSri.mode = 1

            if self._startTime >= 0.0:
                candidateSri.xstart = self._startTime
            return candidateSri