def _eval_name(self, node):
lowernames = {k.lower(): v for k, v in self.names.items()}
try:
return lowernames[node.id.lower()]
except KeyError:
if node.id in self.functions:
return self.functions[node.id]
raise NameNotDefined(node.id, self.expr)
def test_namenotdefined(self):
try:
raise NameNotDefined("foo", "foo in bar")
except NameNotDefined as e:
assert hasattr(e, 'name')
assert getattr(e, 'name') == 'foo'
assert hasattr(e, 'expression')
assert getattr(e, 'expression') == 'foo in bar'