def test_from_module_import_star(self):
self.template([
("from apple import *",
python.ImportFrom("apple", (python.alias("*", None), ), 0)),
("from apple.ball import *",
python.ImportFrom("apple.ball", (python.alias("*", None), ), 0)),
])
def test_from_module_import_names(self):
self.template([
("from apple import ball",
python.ImportFrom("apple", (python.alias("ball", None), ), 0)),
("from apple import ball as cat",
python.ImportFrom("apple", (python.alias("ball", "cat"), ), 0)),
])
def test_from_submodule_import_names(self):
self.template([
(
"from apple.ball import (\n cat, \n dog,)",
python.ImportFrom(
"apple.ball",
(
python.alias("cat", None),
python.alias("dog", None),
),
0
)
),
(
"from apple.ball import cat as dog",
python.ImportFrom(
"apple.ball",
(
python.alias("cat", "dog"),
),
0
)
),
(
"from apple.ball import cat as dog, egg",
python.ImportFrom(
"apple.ball",
(
python.alias("cat", "dog"),
python.alias("egg", None),
),
0
)
),
(
"from apple.ball import (\n cat as dog, \n egg as frog)",
python.ImportFrom(
"apple.ball",
(
python.alias("cat", "dog"),
python.alias("egg", "frog"),
),
0
)
),
])
def visit_ImportFrom(self, node):
# We handle Future imports specially, although they do nothing in Py3!
# Just incase we want to support Python 2!
if node.module is "__future__" and not node.level:
bail_out = False
for feature in node.names:
if not hasattr(future, feature.name):
self.log_error("__future__ has no feature {!r}".format(
feature.name))
bail_out = True
if bail_out:
return None
return python.Future(node.names)
return python.ImportFrom(node.module, node.names, node.level)