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a79a6ab364
circuitpython/tests/cpydiff
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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
..
modules tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules2/subpkg tests/cpydiff/core_import_split_ns_pkgs: Test for split namespace packages. 2017-05-03 17:16:19 +03:00
modules3 tests/cpydiff: Add cpydiff test for __all__ used in imported package. 2020-05-02 17:41:04 +10:00
builtin_next_arg2.py tests/cpydiff: Fix markup where "" (xref) was used instead of "`" (code). 2017-12-03 15:32:09 +02:00
core_class_delnotimpl.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_class_mro.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_class_supermultiple.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_class_superproperty.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_fstring_concat.py tests/cpydiff: Clarify f-string diffs regarding concatenation. 2021-11-25 22:09:59 +11:00
core_fstring_parser.py py/lexer: Support nested [] and {} characters within f-string params. 2021-11-25 21:50:58 +11:00
core_fstring_raw.py py: Implement partial PEP-498 (f-string) support. 2021-08-14 16:58:40 +10:00
core_fstring_repr.py all: Fix spelling mistakes based on codespell check. 2023-04-27 18:03:06 +10:00
core_function_argcount.py tests/cpydiff/core_arguments: Move under Functions subsection. 2017-07-09 13:36:28 +03:00
core_function_moduleattr.py tests/cpydiff: Add test and workaround for function.__module__ attr. 2021-05-16 11:06:46 +10:00
core_function_userattr.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_generator_noexit.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_import_all.py tests/cpydiff: Add cpydiff test for __all__ used in imported package. 2020-05-02 17:41:04 +10:00
core_import_path.py all: Fix spelling mistakes based on codespell check. 2023-04-27 18:03:06 +10:00
core_import_split_ns_pkgs.py all: Fix spelling mistakes based on codespell check. 2023-04-27 18:03:06 +10:00
core_locals_eval.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
core_locals.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
module_array_comparison.py py/objarray: Prohibit comparison of mismatching types. 2021-05-13 22:16:14 +10:00
module_array_constructor.py tests/cpydiff: Add test for array constructor with overflowing value. 2021-06-13 10:30:14 +10:00
modules_array_containment.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_array_deletion.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_array_subscrstep.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_deque.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_json_nonserializable.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_os_environ.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_os_getenv.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_random_getrandbits.py extmod/modurandom: Add error message when getrandbits has bad value. 2021-05-30 16:41:30 +10:00
modules_random_randint.py all: Update Python formatting to latest Black version 22.1.0. 2022-02-02 16:49:55 +11:00
modules_struct_fewargs.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_struct_manyargs.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
modules_struct_whitespace_in_format.py tests/cpydiff/modules_struct_whitespace_in_format: Run black. 2021-07-06 18:19:55 -05:00
modules_sys_stdassign.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
syntax_arg_unpacking.py py/runtime: Allow multiple *args in a function call. 2022-03-31 16:59:30 +11:00
syntax_assign_expr.py tests/cpydiff: Add CPy diff test for assignment expression behaviour. 2020-06-16 22:06:47 +10:00
syntax_spaces.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
syntax_unicode_nameesc.py tests/cpydiff: Add initial set of tests for uPy-CPython differences. 2017-02-20 16:50:34 +11:00
types_bytearray_sliceassign.py tests/cpydiff: Add initial set of tests for uPy-CPython differences. 2017-02-20 16:50:34 +11:00
types_bytes_format.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_bytes_keywords.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_bytes_subscrstep.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_dict_keys_set.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_exception_attrs.py py/objexcept: Support errno attribute on OSError exceptions. 2021-04-23 22:03:46 +10:00
types_exception_chaining.py tests/cpydiff: Add initial set of tests for uPy-CPython differences. 2017-02-20 16:50:34 +11:00
types_exception_instancevar.py tests/cpydiff/: Improve wording, add more workarounds. 2017-07-09 14:33:55 +03:00
types_exception_loops.py tests/cpydiff/: Improve wording, add more workarounds. 2017-07-09 14:33:55 +03:00
types_exception_subclassinit.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_float_implicit_conversion.py tests/cpydiff: Fix formatting of code snippet to use double quotes. 2022-07-29 12:23:05 +10:00
types_float_rounding.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_int_bit_length.py extmod/modurandom: Add error message when getrandbits has bad value. 2021-05-30 16:41:30 +10:00
types_int_subclassconv.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_list_delete_subscrstep.py tests/cpydiff/: Improve wording, add more workarounds. 2017-07-09 14:33:55 +03:00
types_list_store_noniter.py tests/cpydiff: Add a test for storing iterable to a list slice. 2017-02-20 17:22:12 +11:00
types_list_store_subscrstep.py tests/cpydiff/: Improve wording, add more workarounds. 2017-07-09 14:33:55 +03:00
types_str_endswith.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_str_formatsubscr.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_str_keywords.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_str_ljust_rjust.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_str_rsplitnone.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_str_subscrstep.py tests: Format all Python code with black, except tests in basics subdir. 2020-03-30 13:21:58 +11:00
types_tuple_subscrstep.py tests/cpydiff: Add initial set of tests for uPy-CPython differences. 2017-02-20 16:50:34 +11:00