`msmu._read_write._reader_utils`

add_modality

add_modality(mdata, adata, mod_name, parent_mods)

Adds a new modality to a MuData object.

Parameters:

Name	Type	Description	Default
`mdata`	`MuData`	Input MuData object.	required
`adata`	`AnnData`	AnnData object to add as a modality.	required
`mod_name`	`str`	Name of the new modality.	required
`parent_mods`	`list[str]`	List of parent modalities.	required

Returns:

Type	Description
`MuData`	md.MuData: Updated MuData object with the new modality.

merge_mudata(mdatas)

Merges multiple MuData objects into a single MuData object.

Parameters:

Name	Type	Description	Default
`mdatas`	`dict[str, MuData]`	Dictionary of MuData objects to merge.	required

Returns:

Type	Description
`MuData`	md.MuData: Merged MuData object.

to_categorical(df)

Converts object-type columns in a DataFrame to categorical.

Parameters:

Name	Type	Description	Default
`df`	`DataFrame`	Input DataFrame.	required

Returns:

Type	Description
`DataFrame`	pd.DataFrame: DataFrame with object columns converted to categorical.