def _calcidxs(func):
        """Return the required indexes based on the given lambda function
        and the |Timegrids| object handled by module |pub|.  Raise a
        |RuntimeError| if the latter is not available.
        """
        timegrids = hydpy.pub.get('timegrids')
        if timegrids is None:
            raise RuntimeError(
                'An Indexer object has been asked for an %s array.  Such an '
                'array has neither been determined yet nor can it be '
                'determined automatically at the moment.   Either define an '
                '%s array manually and pass it to the Indexer object, or make '
                'a proper Timegrids object available within the pub module.  '
                'In usual HydPy applications, the latter is done '
                'automatically.'
                % (func.__name__, func.__name__))
        idxs = numpy.empty(len(timegrids.init), dtype=int)
        for jdx, date in enumerate(hydpy.pub.timegrids.init):
            idxs[jdx] = func(date)
        return idxs
def _calcidxs ( func ) : timegrids = hydpy . pub . get ( 'timegrids' ) if timegrids is None : raise RuntimeError ( 'An Indexer object has been asked for an %s array.  Such an ' 'array has neither been determined yet nor can it be ' 'determined automatically at the moment.   Either define an ' '%s array manually and pass it to the Indexer object, or make ' 'a proper Timegrids object available within the pub module.  ' 'In usual HydPy applications, the latter is done ' 'automatically.' % ( func . __name__ , func . __name__ ) ) idxs = numpy . empty ( len ( timegrids . init ) , dtype = int ) for jdx , date in enumerate ( hydpy . pub . timegrids . init ) : idxs [ jdx ] = func ( date ) return idxs
Return the required indexes based on the given lambda function
        and the |Timegrids| object handled by module |pub|.  Raise a
        |RuntimeError| if the latter is not available.