Core and Builtins
-----------------
-- Issue #17825: Cursor "^" is correctly positioned for SyntaxError and
- IndentationError.
-
-- Issue #2382: SyntaxError cursor "^" is now written at correct position in most
- cases when multibyte characters are in line (before "^"). This still not
- works correctly with wide East Asian characters.
+- Issue #20162: Fix an alignment issue in the siphash24() hash function which
+ caused a crash on PowerPC 64-bit (ppc64).
-- Issue #18960: The first line of Python script could be executed twice when
- the source encoding was specified on the second line. Now the source encoding
- declaration on the second line isn't effective if the first line contains
- anything except a comment. 'python -x' works now again with files with the
- source encoding declarations, and can be used to make Python batch files
- on Windows.
+Library
+-------
-- Issue #17432: Drop UCS2 from names of Unicode functions in python3.def.
++- Issue #20368: The null character now correctly passed from Tcl to Python.
++ Improved error handling in variables-related commands.
+
-- Issue #19969: PyBytes_FromFormatV() now raises an OverflowError if "%c"
- argument is not in range [0; 255].
+- Issue #20435: Fix _pyio.StringIO.getvalue() to take into account newline
+ translation settings.
-- Issue #14432: Generator now clears the borrowed reference to the thread
- state. Fix a crash when a generator is created in a C thread that is
- destroyed while the generator is still used. The issue was that a generator
- contains a frame, and the frame kept a reference to the Python state of the
- destroyed C thread. The crash occurs when a trace function is setup.
+- tracemalloc: Fix slicing traces and fix slicing a traceback.
-- Issue #19932: Fix typo in import.h, missing whitespaces in function prototypes.
+- Issue #20354: Fix an alignment issue in the tracemalloc module on 64-bit
+ platforms. Bug seen on 64-bit Linux when using "make profile-opt".
-- Issue #19729: In str.format(), fix recursive expansion in format spec.
+- Issue #17159: inspect.signature now accepts duck types of functions,
+ which adds support for Cython functions. Initial patch by Stefan Behnel.
-- Issue #19638: Fix possible crash / undefined behaviour from huge (more than 2
- billion characters) input strings in _Py_dg_strtod.
+- Issue #18801: Fix inspect.classify_class_attrs to correctly classify
+ object.__new__ and object.__init__.
-Library
--------
+- Fixed cmath.isinf's name in its argument parsing code.
-- Issue #20368: The null character now correctly passed from Tcl to Python.
- Improved error handling in variables-related commands.
+- Issue #20311, #20452: poll and epoll now round the timeout away from zero,
+ instead of rounding towards zero, in select and selectors modules:
+ select.epoll.poll(), selectors.PollSelector.poll() and
+ selectors.EpollSelector.poll(). For example, a timeout of one microsecond
+ (1e-6) is now rounded to one millisecondi (1e-3), instead of being rounded to
+ zero.
-- Issue #20435: Fix _pyio.StringIO.getvalue() to take into account newline
- translation settings.
+- asyncio: Some refactoring; add write flow control to unix pipes;
+ support wait_for(f, None); don't log broken/disconnected pipes; use
+ ValueError instead of assert for forbidden subprocess_{shell,exec}
+ arguments. (More to follow -- a convenience API for subprocesses.)
- Issue #20288: fix handling of invalid numeric charrefs in HTMLParser.
#define ARGSZ 64
-static char *
-Merge(PyObject *args)
-{
- PyObject *tmp = NULL;
- char *argvStore[ARGSZ];
- char **argv = NULL;
- int fvStore[ARGSZ];
- int *fv = NULL;
- Py_ssize_t argc = 0, fvc = 0, i;
- char *res = NULL;
-
- if (!(tmp = PyList_New(0)))
- return NULL;
-
- argv = argvStore;
- fv = fvStore;
-
- if (args == NULL)
- argc = 0;
-
- else if (!PyTuple_Check(args)) {
- argc = 1;
- fv[0] = 0;
- if (!(argv[0] = AsString(args, tmp)))
- goto finally;
- }
- else {
- argc = PyTuple_Size(args);
-
- if (argc > ARGSZ) {
- if (!CHECK_SIZE(argc, sizeof(char *))) {
- PyErr_SetString(PyExc_OverflowError, "tuple is too long");
- goto finally;
- }
- argv = (char **)ckalloc((size_t)argc * sizeof(char *));
- fv = (int *)ckalloc((size_t)argc * sizeof(int));
- if (argv == NULL || fv == NULL) {
- PyErr_NoMemory();
- goto finally;
- }
- }
-
- for (i = 0; i < argc; i++) {
- PyObject *v = PyTuple_GetItem(args, i);
- if (PyTuple_Check(v)) {
- fv[i] = 1;
- if (!(argv[i] = Merge(v)))
- goto finally;
- fvc++;
- }
- else if (v == Py_None) {
- argc = i;
- break;
- }
- else {
- fv[i] = 0;
- if (!(argv[i] = AsString(v, tmp)))
- goto finally;
- fvc++;
- }
- }
- }
- res = Tcl_Merge(argc, argv);
- if (res == NULL)
- PyErr_SetString(Tkinter_TclError, "merge failed");
-
- finally:
- for (i = 0; i < fvc; i++)
- if (fv[i]) {
- ckfree(argv[i]);
- }
- if (argv != argvStore)
- ckfree(FREECAST argv);
- if (fv != fvStore)
- ckfree(FREECAST fv);
-
- Py_DECREF(tmp);
- return res;
-}
-
+ static PyObject *
+ unicodeFromTclStringAndSize(const char *s, Py_ssize_t size)
+ {
+ PyObject *r = PyUnicode_DecodeUTF8(s, size, NULL);
+ if (!r && PyErr_ExceptionMatches(PyExc_UnicodeDecodeError)) {
+ /* Tcl encodes null character as \xc0\x80 */
+ if (memchr(s, '\xc0', size)) {
+ char *buf, *q;
+ const char *e = s + size;
+ PyErr_Clear();
+ q = buf = (char *)PyMem_Malloc(size);
+ if (buf == NULL)
+ return NULL;
+ while (s != e) {
+ if (s + 1 != e && s[0] == '\xc0' && s[1] == '\x80') {
+ *q++ = '\0';
+ s += 2;
+ }
+ else
+ *q++ = *s++;
+ }
+ s = buf;
+ size = q - s;
+ r = PyUnicode_DecodeUTF8(s, size, NULL);
+ PyMem_Free(buf);
+ }
+ }
+ return r;
+ }
+
+ static PyObject *
+ unicodeFromTclString(const char *s)
+ {
+ return unicodeFromTclStringAndSize(s, strlen(s));
+ }
+
+ static PyObject *
+ unicodeFromTclObj(Tcl_Obj *value)
+ {
+ int len;
+ char *s = Tcl_GetStringFromObj(value, &len);
+ return unicodeFromTclStringAndSize(s, len);
+ }
+
+
static PyObject *
Split(char *list)
{
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