def test_set_var(adata, subset_func):
    init_hash = joblib.hash(adata)

    subset = adata[:, subset_func(adata.var_names)]

    new_var = pd.DataFrame(
        dict(a=np.ones(subset.n_vars), b=np.ones(subset.n_vars)),
        index=subset.var_names,
    )

    assert subset.is_view
    subset.var = new_var
    assert not subset.is_view
    assert np.all(subset.var == new_var)

    assert joblib.hash(adata) == init_hash
def _init_renderers(self):
        """Initializes the cell renderers"""
        # We hide the columns headers
        self.set_headers_visible(False)
        # For the backend icon
        pixbuf_cell = Gtk.CellRendererPixbuf()
        tvcolumn_pixbuf = Gtk.TreeViewColumn('Icon', pixbuf_cell)
        tvcolumn_pixbuf.add_attribute(pixbuf_cell, 'pixbuf', self.COLUMN_ICON)
        self.append_column(tvcolumn_pixbuf)
        # For the backend name
        text_cell = Gtk.CellRendererText()
        tvcolumn_text = Gtk.TreeViewColumn('Name', text_cell)
        tvcolumn_text.add_attribute(text_cell, 'markup', self.COLUMN_TEXT)
        self.append_column(tvcolumn_text)
        text_cell.connect('edited', self.cell_edited_callback)
        text_cell.set_property('editable', True)
        # For the backend tags
        tags_cell = Gtk.CellRendererText()
        tvcolumn_tags = Gtk.TreeViewColumn('Tags', tags_cell)
        tvcolumn_tags.add_attribute(tags_cell, 'markup', self.COLUMN_TAGS)
        self.append_column(tvcolumn_tags)