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| author | Victor Stinner <vstinner@python.org> | 2022-10-04 17:05:45 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-04 17:05:45 (GMT) |
| commit | 41188134bd2120f0cedd681ed88743c11c7f3742 (patch) | |
| tree | 94477836c1134bdef3e2c29c5590721df70017f5 | |
| parent | 9b409e418ac2bfac62a4ee7f6514e093a14bf26e (diff) | |
| download | cpython-41188134bd2120f0cedd681ed88743c11c7f3742.zip cpython-41188134bd2120f0cedd681ed88743c11c7f3742.tar.gz cpython-41188134bd2120f0cedd681ed88743c11c7f3742.tar.bz2 | |
[3.9] gh-95778: Mention sys.set_int_max_str_digits() in error message (#96874) (#96877)
When ValueError is raised if an integer is larger than the limit,
mention sys.set_int_max_str_digits() in the error message.
(cherry picked from commit e841ffc915e82e5ea6e3b473205417d63494808d)
Co-authored-by: Ned Deily <nad@python.org>
| -rw-r--r-- | Doc/library/stdtypes.rst | 4 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2022-09-16-19-02-40.gh-issue-95778.cJmnst.rst | 3 | ||||
| -rw-r--r-- | Objects/longobject.c | 4 |
3 files changed, 7 insertions, 4 deletions
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst index 6eef564..d6b270d 100644 --- a/Doc/library/stdtypes.rst +++ b/Doc/library/stdtypes.rst @@ -5277,7 +5277,7 @@ When an operation would exceed the limit, a :exc:`ValueError` is raised: >>> _ = int('2' * 5432) Traceback (most recent call last): ... - ValueError: Exceeds the limit (4300) for integer string conversion: value has 5432 digits. + ValueError: Exceeds the limit (4300) for integer string conversion: value has 5432 digits; use sys.set_int_max_str_digits() to increase the limit. >>> i = int('2' * 4300) >>> len(str(i)) 4300 @@ -5285,7 +5285,7 @@ When an operation would exceed the limit, a :exc:`ValueError` is raised: >>> len(str(i_squared)) Traceback (most recent call last): ... - ValueError: Exceeds the limit (4300) for integer string conversion: value has 8599 digits. + ValueError: Exceeds the limit (4300) for integer string conversion: value has 8599 digits; use sys.set_int_max_str_digits() to increase the limit. >>> len(hex(i_squared)) 7144 >>> assert int(hex(i_squared), base=16) == i*i # Hexadecimal is unlimited. diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-09-16-19-02-40.gh-issue-95778.cJmnst.rst b/Misc/NEWS.d/next/Core and Builtins/2022-09-16-19-02-40.gh-issue-95778.cJmnst.rst new file mode 100644 index 0000000..ebf6377 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-09-16-19-02-40.gh-issue-95778.cJmnst.rst @@ -0,0 +1,3 @@ +When :exc:`ValueError` is raised if an integer is larger than the limit, +mention the :func:`sys.set_int_max_str_digits` function in the error message. +Patch by Victor Stinner. diff --git a/Objects/longobject.c b/Objects/longobject.c index ec18ec3..2a9178a 100644 --- a/Objects/longobject.c +++ b/Objects/longobject.c @@ -38,8 +38,8 @@ PyObject *_PyLong_One = NULL; #define IS_SMALL_INT(ival) (-NSMALLNEGINTS <= (ival) && (ival) < NSMALLPOSINTS) #define IS_SMALL_UINT(ival) ((ival) < NSMALLPOSINTS) -#define _MAX_STR_DIGITS_ERROR_FMT_TO_INT "Exceeds the limit (%d) for integer string conversion: value has %zd digits" -#define _MAX_STR_DIGITS_ERROR_FMT_TO_STR "Exceeds the limit (%d) for integer string conversion" +#define _MAX_STR_DIGITS_ERROR_FMT_TO_INT "Exceeds the limit (%d) for integer string conversion: value has %zd digits; use sys.set_int_max_str_digits() to increase the limit" +#define _MAX_STR_DIGITS_ERROR_FMT_TO_STR "Exceeds the limit (%d) for integer string conversion; use sys.set_int_max_str_digits() to increase the limit" static PyObject * get_small_int(sdigit ival) |