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Merge branch 'main' into eager-tasks-factory
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‎Doc/c-api/object.rst‎

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@@ -179,6 +179,15 @@ Object Protocol
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If *o1* and *o2* are the same object, :c:func:`PyObject_RichCompareBool`
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will always return ``1`` for :const:`Py_EQ` and ``0`` for :const:`Py_NE`.
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.. c:function:: PyObject* PyObject_Format(PyObject *obj, PyObject *format_spec)
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Format *obj* using *format_spec*. This is equivalent to the Python
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expression ``format(obj, format_spec)``.
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*format_spec* may be ``NULL``. In this case the call is equivalent
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to ``format(obj)``.
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Returns the formatted string on success, ``NULL`` on failure.
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.. c:function:: PyObject* PyObject_Repr(PyObject *o)
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.. index:: builtin: repr

‎Doc/library/itertools.rst‎

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@@ -195,7 +195,7 @@ loops that truncate the stream.
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if n < 1:
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raise ValueError('n must be at least one')
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it = iter(iterable)
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while (batch := tuple(islice(it, n))):
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while batch := tuple(islice(it, n)):
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yield batch
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.. versionadded:: 3.12
@@ -866,26 +866,29 @@ which incur interpreter overhead.
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window.append(x)
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yield math.sumprod(kernel, window)
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def polynomial_eval(coefficients, x):
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"Evaluate a polynomial at a specific value."
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# polynomial_eval([1, -4, -17, 60], x=2.5) --> 8.125 x³ -4x² -17x + 60
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n = len(coefficients)
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if n == 0:
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return x * 0 # coerce zero to the type of x
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powers = list(accumulate(repeat(x, n - 1), operator.mul, initial=1))
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return math.sumprod(coefficients, reversed(powers))
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def polynomial_from_roots(roots):
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"""Compute a polynomial's coefficients from its roots.
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(x - 5) (x + 4) (x - 3) expands to: x³ -4x² -17x + 60
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"""
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# polynomial_from_roots([5, -4, 3]) --> [1, -4, -17, 60]
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roots = list(map(operator.neg, roots))
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return [
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sum(map(math.prod, combinations(roots, k)))
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for k in range(len(roots) + 1)
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]
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expansion = [1]
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for r in roots:
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expansion = convolve(expansion, (1, -r))
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return list(expansion)
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def polynomial_eval(coefficients, x):
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"""Evaluate a polynomial at a specific value.
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Computes with better numeric stability than Horner's method.
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"""
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# Evaluate x³ -4x² -17x + 60 at x = 2.5
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# polynomial_eval([1, -4, -17, 60], x=2.5) --> 8.125
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n = len(coefficients)
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if n == 0:
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return x * 0 # coerce zero to the type of x
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powers = map(pow, repeat(x), reversed(range(n)))
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return math.sumprod(coefficients, powers)
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def iter_index(iterable, value, start=0):
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"Return indices where a value occurs in a sequence or iterable."

‎Doc/library/os.rst‎

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.. note::
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The standard way to exit is ``sys.exit(n)``. :func:`_exit` should
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The standard way to exit is :func:`sys.exit(n) <sys.exit>`. :func:`!_exit` should
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normally only be used in the child process after a :func:`fork`.
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The following exit codes are defined and can be used with :func:`_exit`,

‎Doc/library/pdb.rst‎

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@@ -513,7 +513,7 @@ can be overridden by the local file.
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:file:`.pdbrc` file)::
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# Print instance variables (usage "pi classInst")
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alias pi for k in %1.__dict__.keys(): print("%1.",k,"=",%1.__dict__[k])
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alias pi for k in %1.__dict__.keys(): print(f"%1.{k} = {%1.__dict__[k]}")
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# Print instance variables in self
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alias ps pi self
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‎Doc/library/sqlite3.rst‎

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:param float timeout:
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How many seconds the connection should wait before raising
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an exception, if the database is locked by another connection.
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If another connection opens a transaction to modify the database,
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it will be locked until that transaction is committed.
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an :exc:`OperationalError` when a table is locked.
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If another connection opens a transaction to modify a table,
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that table will be locked until the transaction is committed.
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Default five seconds.
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:param int detect_types:
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Call this method from a different thread to abort any queries that might
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be executing on the connection.
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Aborted queries will raise an exception.
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Aborted queries will raise an :exc:`OperationalError`.
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.. method:: set_authorizer(authorizer_callback)

‎Doc/library/ssl.rst‎

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.. method:: SSLSocket.shared_ciphers()
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Return the list of ciphers shared by the client during the handshake. Each
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Return the list of ciphers available in both the client and server. Each
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entry of the returned list is a three-value tuple containing the name of the
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cipher, the version of the SSL protocol that defines its use, and the number
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of secret bits the cipher uses. :meth:`~SSLSocket.shared_ciphers` returns

‎Doc/whatsnew/3.12.rst‎

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* :func:`shutil.rmtree` now accepts a new argument *onexc* which is an
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error handler like *onerror* but which expects an exception instance
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rather than a *(typ, val, tb)* triplet. *onerror* is deprecated.
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rather than a *(typ, val, tb)* triplet. *onerror* is deprecated and
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will be removed in Python 3.14.
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(Contributed by Irit Katriel in :gh:`102828`.)
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fields are deprecated. Use :data:`sys.last_exc` instead.
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(Contributed by Irit Katriel in :gh:`102778`.)
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* The *onerror* argument of :func:`shutil.rmtree` is deprecated. Use *onexc*
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instead. (Contributed by Irit Katriel in :gh:`102828`.)
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* The *onerror* argument of :func:`shutil.rmtree` is deprecated as will be removed
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in Python 3.14. Use *onexc* instead. (Contributed by Irit Katriel in :gh:`102828`.)
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Pending Removal in Python 3.13
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functions that have been deprecated since Python 2 but only gained a
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proper :exc:`DeprecationWarning` in 3.12. Remove them in 3.14.
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* The *onerror* argument of :func:`shutil.rmtree` is deprecated in 3.12,
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and will be removed in 3.14.
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Pending Removal in Future Versions
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----------------------------------
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‎Include/cpython/initconfig.h‎

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PyAPI_FUNC(int) PyStatus_IsError(PyStatus err);
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PyAPI_FUNC(int) PyStatus_IsExit(PyStatus err);
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PyAPI_FUNC(int) PyStatus_Exception(PyStatus err);
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PyAPI_FUNC(PyObject *) _PyErr_SetFromPyStatus(PyStatus status);
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/* --- PyWideStringList ------------------------------------------------ */
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‎Include/cpython/longintrepr.h‎

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*/
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typedef struct _PyLongValue {
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Py_ssize_t ob_size; /* Number of items in variable part */
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uintptr_t lv_tag; /* Number of digits, sign and flags */
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digit ob_digit[1];
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} _PyLongValue;
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/* Return a copy of src. */
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PyAPI_FUNC(PyObject *) _PyLong_Copy(PyLongObject *src);
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PyAPI_FUNC(PyLongObject *)
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_PyLong_FromDigits(int negative, Py_ssize_t digit_count, digit *digits);
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#ifdef __cplusplus
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}
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#endif

‎Include/cpython/object.h‎

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PyAPI_FUNC(Py_ssize_t) _Py_GetGlobalRefTotal(void);
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# define _Py_GetRefTotal() _Py_GetGlobalRefTotal()
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PyAPI_FUNC(Py_ssize_t) _Py_GetLegacyRefTotal(void);
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PyAPI_FUNC(Py_ssize_t) _PyInterpreterState_GetRefTotal(PyInterpreterState *);
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#endif
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