def test_layers_view():
    X = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
    L = np.array([[10, 11, 12], [13, 14, 15], [16, 17, 18]])
    real_adata = ad.AnnData(X)
    real_adata.layers["L"] = L
    view_adata = real_adata[1:, 1:]
    real_hash = joblib.hash(real_adata)
    view_hash = joblib.hash(view_adata)

    assert view_adata.is_view

    with pytest.raises(ValueError):
        view_adata.layers["L2"] = L + 2

    assert view_adata.is_view  # Failing to set layer item makes adata not view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash == joblib.hash(view_adata)

    view_adata.layers["L2"] = L[1:, 1:] + 2

    assert not view_adata.is_view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash != joblib.hash(view_adata)
def parse(self):
		f = tempfile.NamedTemporaryFile(delete=True)
		cmd_str = "curl http://pkgs.fedoraproject.org/cgit/rpms/%s.git/plain/%s.spec > %s"
		runCommand(cmd_str % (self.package, self.package, f.name))
		self.sp_obj = SpecParser(f.name)
		if not self.sp_obj.parse():
			self.err = self.sp_obj.getError()
			f.close()
			return False

		f.close()
		return True