bpo-37444: Update differing exception between builtins and importlib (GH-14869)

Imports now raise `TypeError` instead of `ValueError` for relative import failures. This makes things consistent between `builtins.__import__` and `importlib.__import__` as well as using a more natural import for the failure.


https://bugs.python.org/issue37444



Automerge-Triggered-By: @brettcannon
This commit is contained in:
Ngalim Siregar 2019-08-03 12:46:02 +07:00 committed by Miss Islington (bot)
parent 8e568ef266
commit c5fa44944e
9 changed files with 134 additions and 108 deletions

View file

@ -156,7 +156,7 @@ class RelativeImports:
{'__name__': 'pkg', '__path__': ['blah']})
def callback(global_):
self.__import__('pkg')
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.__import__('', global_, fromlist=['top_level'],
level=2)
self.relative_import_test(create, globals_, callback)
@ -167,7 +167,7 @@ class RelativeImports:
globals_ = {'__package__': 'pkg'}, {'__name__': 'pkg.module'}
def callback(global_):
self.__import__('pkg')
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.__import__('', global_, fromlist=['top_level'],
level=2)
self.relative_import_test(create, globals_, callback)

View file

@ -375,7 +375,7 @@ class ResolveNameTests:
def test_no_package(self):
# .bacon in ''
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.util.resolve_name('.bacon', '')
def test_in_package(self):
@ -390,7 +390,7 @@ class ResolveNameTests:
def test_escape(self):
# ..bacon in spam
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.util.resolve_name('..bacon', 'spam')
@ -518,7 +518,7 @@ class FindSpecTests:
with util.temp_module(name, pkg=True) as pkg_dir:
fullname, _ = util.submodule(name, subname, pkg_dir)
relname = '.' + subname
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.util.find_spec(relname)
self.assertNotIn(name, sorted(sys.modules))
self.assertNotIn(fullname, sorted(sys.modules))