def to_grid_locator(self, precision='square'):
"""Calculate Maidenhead locator from latitude and longitude.
:param str precision: Precision with which generate locator string
:rtype: ``str``
:return: Maidenhead locator for latitude and longitude
"""
return utils.to_grid_locator(self.latitude, self.longitude, precision)
def test_to_grid_locator(data, result):
assert to_grid_locator(*data) == result
def test_to_grid_locator():
expect(to_grid_locator(21.319, -157.904, 'extsquare')) == 'BL11bh16'
expect(to_grid_locator(52.021, -0.208, 'subsquare')) == 'IO92va'
expect(to_grid_locator(52.021, -1.958)) == 'IO92'
