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micropython/tests/import
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David Grayson a79a6ab364 py/builtinimport: Remove partially-loaded modules from sys.modules. 
Prior to this commit, importing a module that exists but has a syntax error
or some other problem that happens at import time would result in a
potentially-incomplete module object getting added to sys.modules.
Subsequent imports would use that object, resulting in confusing error
messages that hide the root cause of the problem.

This commit fixes that issue by removing the failed module from sys.modules
using the new NLR callback mechanism.

Note that it is still important to add the module to sys.modules while the
import is happening so that we can support circular imports just like
CPython does.

Fixes issue #967.

Signed-off-by: David Grayson <davidegrayson@gmail.com>
 		2023-06-05 23:21:52 +10:00
..
broken py/builtinimport: Remove partially-loaded modules from sys.modules. 2023-06-05 23:21:52 +10:00
circular py/builtinimport: Remove partially-loaded modules from sys.modules. 2023-06-05 23:21:52 +10:00
ext tests/import/builtin_ext.py: Add test for built-in module override. 2023-06-01 16:21:37 +10:00
pkg tests: Split out those tests requiring float and import. 2014-04-17 16:21:43 +01:00
pkg2 tests: Split out those tests requiring float and import. 2014-04-17 16:21:43 +01:00
pkg3 tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
pkg6 tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
pkg7 py/builtinimport: Change relative import's ValueError to ImportError. 2021-05-30 19:35:03 +10:00
pkg8 tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
pkg9 tests/import/import_pkg9.py: Add test for subpackage attribute. 2023-06-01 16:21:37 +10:00
builtin_ext.py tests/import/builtin_ext.py: Add test for built-in module override. 2023-06-01 16:21:37 +10:00
builtin_ext.py.exp tests/import/builtin_ext.py: Add test for built-in module override. 2023-06-01 16:21:37 +10:00
builtin_import.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
gen_context.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
gen_context2.py tests: Move gen_context to import tests, because it relies on import. 2014-04-17 23:21:52 +01:00
import1a.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import1b.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import2a.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import3a.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import_broken.py py/builtinimport: Remove partially-loaded modules from sys.modules. 2023-06-05 23:21:52 +10:00
import_circular.py py/builtinimport: Remove partially-loaded modules from sys.modules. 2023-06-05 23:21:52 +10:00
import_file.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import_long_dyn.py tests/import_long_dyn: Test for "import *" of a long dynamic name. 2018-11-01 13:33:16 +11:00
import_long_dyn2.py tests/import_long_dyn: Test for "import *" of a long dynamic name. 2018-11-01 13:33:16 +11:00
import_override.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import_override.py.exp tests: Add .exp files for basics/parser and import/import_override. 2019-12-13 14:20:47 +11:00
import_pkg1.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import_pkg2.py tests: Rename test scripts, changing - to _ for consistency. 2014-07-05 06:14:29 +01:00
import_pkg3.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
import_pkg4.py tests: Rename test scripts, changing - to _ for consistency. 2014-07-05 06:14:29 +01:00
import_pkg5.py tests: Rename test scripts, changing - to _ for consistency. 2014-07-05 06:14:29 +01:00
import_pkg6.py tests: Add another testcase for relative imports. 2015-02-16 12:11:41 +02:00
import_pkg7.py tests/import: Improve builtinimport.c test coverage. 2017-01-16 15:59:33 +11:00
import_pkg7.py.exp py/builtinimport: Change relative import's ValueError to ImportError. 2021-05-30 19:35:03 +10:00
import_pkg8.py tests/import: Improve builtinimport.c test coverage. 2017-01-16 15:59:33 +11:00
import_pkg9.py tests/import/import_pkg9.py: Add test for subpackage attribute. 2023-06-01 16:21:37 +10:00
import_star_error.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
module_dict.py py/objmodule: Add support for __dict__. 2022-09-19 23:22:46 +10:00
module_getattr.py top: Update Python formatting to black "2023 stable style". 2023-02-02 12:51:03 +11:00
module_getattr.py.exp tests/import: Add .exp file for module_getattr.py to not require Py 3.7. 2018-10-23 11:56:58 +11:00
rel_import_inv.py tests: Add test for relative import without package context. 2015-06-27 00:40:22 +03:00
try_module.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00