[Python-checkins] clarify the 4300-digit limit on int-str conversion (#100175)

[hugovk]

https://github.com/python/cpython/commit/935ef593211a627526b2b869ce1fc2a5e67e6cdd
commit: 935ef593211a627526b2b869ce1fc2a5e67e6cdd
branch: main
author: Ned Batchelder <ned at nedbatchelder.com>
committer: hugovk <hugovk at users.noreply.github.com>
date: 2022-12-12T13:39:54+02:00
summary:

clarify the 4300-digit limit on int-str conversion (#100175)

files:
M Doc/library/stdtypes.rst
M Objects/longobject.c

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 40f787ffe639..c785336944f5 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -5503,7 +5503,7 @@ 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; use sys.set_int_max_str_digits() to increase the limit.
+   ValueError: Exceeds the limit (4300 digits) 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
@@ -5511,7 +5511,7 @@ 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; use sys.set_int_max_str_digits() to increase the limit.
+   ValueError: Exceeds the limit (4300 digits) 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/Objects/longobject.c b/Objects/longobject.c
index c84b4d3f316d..8596ce9797b5 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -36,8 +36,8 @@ medium_value(PyLongObject *x)
 #define IS_SMALL_INT(ival) (-_PY_NSMALLNEGINTS <= (ival) && (ival) < _PY_NSMALLPOSINTS)
 #define IS_SMALL_UINT(ival) ((ival) < _PY_NSMALLPOSINTS)
 
-#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"
+#define _MAX_STR_DIGITS_ERROR_FMT_TO_INT "Exceeds the limit (%d digits) 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 digits) for integer string conversion; use sys.set_int_max_str_digits() to increase the limit"
 
 /* If defined, use algorithms from the _pylong.py module */
 #define WITH_PYLONG_MODULE 1