Context.flatten()
Using flatten() method you can get whole Context stack as one dictionary including builtin variables.
>>> c = Context()
>>> c['foo'] = 'first level'
>>> c.update({'bar': 'second level'})
{'bar': 'second level'}
>>> c.flatten()
{'True': True, 'None': None, 'foo': 'first level', 'False': False, 'bar': 'second level'}
A flatten() method is also internally used to make Context objects comparable.
>>> c1 = Context()
>>> c1['foo'] = 'first level'
>>> c1['bar'] = 'second level'
>>> c2 = Context()
>>> c2.update({'bar': 'second level', 'foo': 'first level'})
{'foo': 'first level', 'bar': 'second level'}
>>> c1 == c2
True
Result from flatten() can be useful in unit tests to compare Context against dict:
class ContextTest(unittest.TestCase):
def test_against_dictionary(self):
c1 = Context()
c1['update'] = 'value'
self.assertEqual(c1.flatten(), {
'True': True,
'None': None,
'False': False,
'update': 'value',
})
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