spac.utils.check_feature(adata, features=None, should_exist=True)

Perform common error checks for features in anndata related objects.

Parameters:

• adata (anndata.AnnData) – The AnnData object to be checked.

• features (str or list of str, optional) – The feature(s) to check for existence in adata.var_names.

• should_exist (bool, optional (default=True)) – Determines whether to check if elements exist in the target list (True), or if they should not exist (False).

Raises:

• TypeError – If adata is not an instance of anndata.AnnData.

• ValueError – If any of the specified layers, annotations, or features do not exist.