def save_anndata(self, filename: str) -> None:
"""Save an ExpressionMatrix as an AnnData file
Parameters
----------
filename : str
Name of AnnData file
"""
import anndata
row_attrs = {k: self['cells'][k].values for k in self['cells'].coords}
col_attrs = {k: self['genes'][k].values for k in self['genes'].coords}
anndata = anndata.AnnData(self.data, row_attrs, col_attrs)
anndata.write(filename)
def _write_anndata_to_file(self, anndata):
temporary_filename = f"{PROJECT_ROOT}/backend/test/fixtures/{uuid4()}.h5ad"
anndata.write(temporary_filename)
return temporary_filename