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[3.10] Correct CVE-2020-10735 documentation (GH-100306). (#100477)

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(cherry picked from commit 1cf3d78c92)

Co-authored-by: Jeremy Paige <ucodery@gmail.com>
This commit is contained in:
Gregory P. Smith 2022-12-23 18:08:27 -08:00 • committed by GitHub
parent 9c4b8cca09
commit 88fe8d701a
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3 changed files with 7 additions and 7 deletions
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6
Doc/library/stdtypes.rst
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@ -5427,7 +5427,7 @@ to mitigate denial of service attacks. This limit *only* applies to decimal or
other non-power-of-two number bases. Hexadecimal, octal, and binary conversions
are unlimited. The limit can be configured.
The :class:`int` type in CPython is an abitrary length number stored in binary
The :class:`int` type in CPython is an arbitrary length number stored in binary
form (commonly known as a "bignum"). There exists no algorithm that can convert
a string to a binary integer or a binary integer to a string in linear time,
*unless* the base is a power of 2. Even the best known algorithms for base 10
@ -5491,7 +5491,7 @@ and :class:`str` or :class:`bytes`:
* ``int(string)`` with default base 10.
* ``int(string, base)`` for all bases that are not a power of 2.
* ``str(integer)``.
* ``repr(integer)``
* ``repr(integer)``.
* any other string conversion to base 10, for example ``f"{integer}"``,
``"{}".format(integer)``, or ``b"%d" % integer``.
@ -5519,7 +5519,7 @@ command line flag to configure the limit:
:envvar:`PYTHONINTMAXSTRDIGITS` or :option:`-X int_max_str_digits <-X>`.
If both the env var and the ``-X`` option are set, the ``-X`` option takes
precedence. A value of *-1* indicates that both were unset, thus a value of
:data:`sys.int_info.default_max_str_digits` was used during initilization.
:data:`sys.int_info.default_max_str_digits` was used during initialization.
From code, you can inspect the current limit and set a new one using these
:mod:`sys` APIs:

4
Python/clinic/sysmodule.c.h generated
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@ -651,7 +651,7 @@ PyDoc_STRVAR(sys_get_int_max_str_digits__doc__,
"get_int_max_str_digits($module, /)\n"
"--\n"
"\n"
"Set the maximum string digits limit for non-binary int<->str conversions.");
"Return the maximum string digits limit for non-binary int<->str conversions.");
#define SYS_GET_INT_MAX_STR_DIGITS_METHODDEF \
{"get_int_max_str_digits", (PyCFunction)sys_get_int_max_str_digits, METH_NOARGS, sys_get_int_max_str_digits__doc__},
@ -1036,4 +1036,4 @@ sys__deactivate_opcache(PyObject *module, PyObject *Py_UNUSED(ignored))
#ifndef SYS_GETANDROIDAPILEVEL_METHODDEF
#define SYS_GETANDROIDAPILEVEL_METHODDEF
#endif /* !defined(SYS_GETANDROIDAPILEVEL_METHODDEF) */
/*[clinic end generated code: output=6230a1e3a4415744 input=a9049054013a1b77]*/
/*[clinic end generated code: output=1d40b6af6e80cc71 input=a9049054013a1b77]*/

4
Python/sysmodule.c
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@ -1659,12 +1659,12 @@ sys_mdebug_impl(PyObject *module, int flag)
/*[clinic input]
sys.get_int_max_str_digits
Set the maximum string digits limit for non-binary int<->str conversions.
Return the maximum string digits limit for non-binary int<->str conversions.
[clinic start generated code]*/
static PyObject *
sys_get_int_max_str_digits_impl(PyObject *module)
/*[clinic end generated code: output=0042f5e8ae0e8631 input=8dab13e2023e60d5]*/
/*[clinic end generated code: output=0042f5e8ae0e8631 input=61bf9f99bc8b112d]*/
{
PyInterpreterState *interp = _PyInterpreterState_GET();
return PyLong_FromSsize_t(interp->int_max_str_digits);