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Rewrite the code implementing __import__ for importlib. Now it is much simpler

Browse source 
and relies much more on meta path finders to abstract out various parts of
import.

As part of this the semantics for import_module tightened up and now follow
__import__ much more closely (biggest thing is that the 'package' argument must
now already be imported, else a SystemError is raised).
This commit is contained in:
Brett Cannon 2009-02-07 01:15:27 +00:00
parent 887b3f2625
commit 2c318a1390
9 changed files with 117 additions and 502 deletions
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8
Lib/importlib/test/test_api.py
View file

@ -1,6 +1,8 @@
import unittest
import importlib
from . import util
import imp
import importlib
import sys
import unittest
class ImportModuleTests(unittest.TestCase):
@ -33,6 +35,7 @@ class ImportModuleTests(unittest.TestCase):
relative_name = '.{0}'.format(module_name)
with util.mock_modules(pkg_long_name, absolute_name) as mock:
with util.import_state(meta_path=[mock]):
importlib.import_module(pkg_name)
module = importlib.import_module(relative_name, pkg_name)
self.assertEqual(module.__name__, absolute_name)
@ -44,6 +47,7 @@ class ImportModuleTests(unittest.TestCase):
name = '{0}.mod'.format(pkg_name)
with util.mock_modules(pkg_long_name, name) as mock:
with util.import_state(meta_path=[mock]):
importlib.import_module(pkg_name)
module = importlib.import_module(name, pkg_name)
self.assertEqual(module.__name__, name)