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format_traceback: Return list, as documented, and compatible with CPython

This commit is contained in:
Jeff Epler 2022-10-13 09:29:21 -05:00
parent 9ecb905061
commit febc7a8514
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GPG Key ID: D5BF15AB975AB4DE
2 changed files with 4 additions and 3 deletions
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5
shared-bindings/traceback/__init__.c
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@ -110,7 +110,7 @@ STATIC void traceback_exception_common(bool is_print_exception, mp_print_t *prin
//| tb: Optional[TracebackType] = None,
//| limit: Optional[int] = None,
//| chain: Optional[bool] = True,
//| ) -> str:
//| ) -> List[str]:
//| """Format a stack trace and the exception information.
//|
//| If the exception value is passed in ``exc``, then this exception value and its
@ -143,7 +143,8 @@ STATIC mp_obj_t traceback_format_exception(size_t n_args, const mp_obj_t *pos_ar
vstr_t vstr;
vstr_init_print(&vstr, 0, &print);
traceback_exception_common(false, &print, n_args, pos_args, kw_args);
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
mp_obj_t output = mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
return mp_obj_new_list(1, &output);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(traceback_format_exception_obj, 0, traceback_format_exception);

2
tests/circuitpython/traceback_test.py
View File

@ -21,7 +21,7 @@ except Exception as exc:
print("\nLimit=0 Trace:")
traceback.print_exception(None, exc, exc.__traceback__, limit=0)
print("\nLimit=-1 Trace:")
print(traceback.format_exception(None, exc, exc.__traceback__, limit=-1), end="")
print("".join(traceback.format_exception(None, exc, exc.__traceback__, limit=-1)), end="")
class NonNativeException(Exception):