mparray.py 文件源码

def dump(self, target):
        """Serializes MPArray to :code:`h5py.Group`. Recover using
        :func:`~load`.

        :param target: :code:`h5py.Group` the instance should be saved to or
            path to h5 file (it's then serialized to /)

        """
        if isinstance(target, str):
            import h5py
            with h5py.File(target, 'w') as outfile:
                return self.dump(outfile)

        for prop in ('ranks', 'shape'):
            # these are only saved for convenience
            target.attrs[prop] = str(getattr(self, prop))

        # these are actually used in MPArray.load
        target.attrs['len'] = len(self)
        target.attrs['canonical_form'] = self.canonical_form

        for site, lten in enumerate(self._lt):
            target[str(site)] = lten