def __call__(self, owner, name):
""" Evaluate and return the expression value.
"""
func = self.func
f_globals = func.__globals__
f_builtins = f_globals['__builtins__']
f_locals = self.get_locals(owner)
tr = TraitsTracer(owner, name)
scope = DynamicScope(owner, f_locals, f_globals, f_builtins, None, tr)
return call_func(func, (tr,), {}, scope)
def __call__(self, owner, name):
""" Evaluate and return the expression value.
"""
func = self.func
f_globals = func.__globals__
f_builtins = f_globals['__builtins__']
f_locals = self.get_locals(owner)
tr = TraitsTracer(owner, name)
scope = DynamicScope(owner, f_locals, f_globals, f_builtins, None, tr)
return call_func(func, (tr, ), {}, scope)
def test_handling_wrong_arguments():
"""Test handling incorrect arguments.
"""
with pytest.raises(TypeError) as excinfo:
call_func(None, None, None, None)
assert 'Python function' in excinfo.exconly()
with pytest.raises(TypeError) as excinfo:
call_func(func, None, None, None)
assert 'tuple' in excinfo.exconly()
with pytest.raises(TypeError) as excinfo:
call_func(func, (), None, None)
assert 'dict' in excinfo.exconly()
with pytest.raises(TypeError) as excinfo:
call_func(func, (), {}, 1)
assert 'mapping' in excinfo.exconly()
def test_handling_none_as_locals():
"""Test passing None as locals.
"""
assert call_func(func, (), {'a': 1}, None) == 1
def test_calling_function_kwarg():
"""Test calling a function with kwargs.
"""
assert call_func(func, (), {'b': 2}, {'a': 1}) == 1
def test_calling_function():
"""Test calling a function with locals.
"""
assert call_func(func, (), {}, {'a': 1}) == 1
assert call_func(func, (1,), {}, {'a': 1}) == 1