Method view

zipline/lib/labelarray.py:507–520

(self, dtype=_NotPassed, type=_NotPassed)

    del _equality_check

    def view(self, dtype=_NotPassed, type=_NotPassed):
        if type is _NotPassed and dtype not in (_NotPassed, self.dtype):
            raise TypeError("Can't view LabelArray as another dtype.")

        # The text signature on ndarray.view makes it look like the default
        # values for dtype and type are `None`, but passing None explicitly has
        # different semantics than not passing an arg at all, so we reconstruct
        # the kwargs dict here to simulate the args not being passed at all.
        kwargs = {}
        if dtype is not _NotPassed:
            kwargs['dtype'] = dtype
        if type is not _NotPassed:
            kwargs['type'] = type
        return super(LabelArray, self).view(**kwargs)

    def astype(self,
               dtype,