Patch by Serhiy Storchaka.
Core and Builtins
-----------------
-- Issue #13119: sys.stdout and sys.stderr are now using "\r\n" newline on
- Windows, as Python 2.
+ - Issue #15604: Update uses of PyObject_IsTrue() to check for and handle
+ errors correctly. Patch by Serhiy Storchaka.
+
+Library
+-------
-- Issue #14579: Fix CVE-2012-2135: vulnerability in the utf-16 decoder after
- error handling. Patch by Serhiy Storchaka.
+- Issue #11062: Fix adding a message from file to Babyl mailbox.
-- Issue #15404: Refleak in PyMethodObject repr.
+- Issue #15646: Prevent equivalent of a fork bomb when using
+ multiprocessing on Windows without the "if __name__ == '__main__'"
+ idiom.
-- Issue #15394: An issue in PyModule_Create that caused references to
- be leaked on some error paths has been fixed. Patch by Julia Lawall.
+C API
+-----
-- Issue #15368: An issue that caused bytecode generation to be
- non-deterministic when using randomized hashing (-R) has been fixed.
+Extension Modules
+-----------------
-- Issue #15020: The program name used to search for Python's path is now
- "python3" under Unix, not "python".
+Tools/Demos
+-----------
-- Issue #15033: Fix the exit status bug when modules invoked using -m swith,
- return the proper failure return value (1). Patch contributed by Jeff Knupp.
+Documentation
+-------------
-- Issue #12268: File readline, readlines and read() or readall() methods
- no longer lose data when an underlying read system call is interrupted.
- IOError is no longer raised due to a read system call returning EINTR
- from within these methods.
+- Issue #15630: Add an example for "continue" stmt in the tutorial. Patch by
+ Daniel Ellis.
-- Issue #15142: Fix reference leak when deallocating instances of types
- created using PyType_FromSpec().
-- Issue #10053: Don't close FDs when FileIO.__init__ fails. Loosely based on
- the work by Hirokazu Yamamoto.
-- Issue #14775: Fix a potential quadratic dict build-up due to the garbage
- collector repeatedly trying to untrack dicts.
+What's New in Python 3.3.0 Beta 2?
+==================================
-- Issue #14494: Fix __future__.py and its documentation to note that
- absolute imports are the default behavior in 3.0 instead of 2.7.
- Patch by Sven Marnach.
+*Release date: 12-Aug-2012*
-- Issue #14761: Fix potential leak on an error case in the import machinery.
+Core and Builtins
+-----------------
-- Issue #14699: Fix calling the classmethod descriptor directly.
+- Issue #15568: Fix the return value of "yield from" when StopIteration is
+ raised by a custom iterator.
-- Issue #14433: Prevent msvcrt crash in interactive prompt when stdin
- is closed.
+- Issue #13119: sys.stdout and sys.stderr are now using "\r\n" newline on
+ Windows, as Python 2.
-- Issue #11603 (again): Setting __repr__ to __str__ now raises a RuntimeError
- when repr() or str() is called on such an object.
+- Issue #15534: Fix the fast-search function for non-ASCII Unicode strings.
-- Issue #14658: Fix binding a special method to a builtin implementation of a
- special method with a different name.
+- Issue #15508: Fix the docstring for __import__ to have the proper default
+ value of 0 for 'level' and to not mention negative levels since they are not
+ supported.
-- Issue #14630: Fix a memory access bug for instances of a subclass of int
- with value 0.
+- Issue #15425: Eliminated traceback noise from more situations involving
+ importlib.
-- Issue #14612: Fix jumping around with blocks by setting f_lineno.
+- Issue #14578: Support modules registered in the Windows registry again.
-- Issue #14607: Fix keyword-only arguments which started with ``__``.
+- Issue #15466: Stop using TYPE_INT64 in marshal, to make importlib.h (and other
+ byte code files) equal between 32-bit and 64-bit systems.
-- Issue #13889: Check and (if necessary) set FPU control word before calling
- any of the dtoa.c string <-> float conversion functions, on MSVC builds of
- Python. This fixes issues when embedding Python in a Delphi app.
+- Issue #1692335: Move initial exception args assignment to
+ "BaseException.__new__" to help pickling of naive subclasses.
-- Issue #14474: Save and restore exception state in thread.start_new_thread()
- while writing error message if the thread leaves a unhandled exception.
+- Issue #12834: Fix PyBuffer_ToContiguous() for non-contiguous arrays.
-- Issue #13019: Fix potential reference leaks in bytearray.extend(). Patch
- by Suman Saha.
+- Issue #15456: Fix code __sizeof__ after #12399 change. Patch by Serhiy
+ Storchaka.
-- Issue #14378: Fix compiling ast.ImportFrom nodes with a "__future__" string as
- the module name that was not interned.
+- Issue #15404: Refleak in PyMethodObject repr.
-- Issue #14331: Use significantly less stack space when importing modules by
- allocating path buffers on the heap instead of the stack.
+- Issue #15394: An issue in PyModule_Create that caused references to be leaked
+ on some error paths has been fixed. Patch by Julia Lawall.
-- Issue #14334: Prevent in a segfault in type.__getattribute__ when it was not
- passed strings.
+- Issue #15368: An issue that caused bytecode generation to be non-deterministic
+ has been fixed.
-- Issue #1469629: Allow cycles through an object's __dict__ slot to be
- collected. (For example if ``x.__dict__ is x``).
+- Issue #15202: Consistently use the name "follow_symlinks" for new parameters
+ in os and shutil functions.
-- Issue #14172: Fix reference leak when marshalling a buffer-like object
- (other than a bytes object).
+- Issue #15314: __main__.__loader__ is now set correctly during interpreter
+ startup.
-- Issue #13521: dict.setdefault() now does only one lookup for the given key,
- making it "atomic" for many purposes. Patch by Filip Gruszczyński.
+- Issue #15111: When a module imported using 'from import' has an ImportError
+ inside itself, don't mask that fact behind a generic ImportError for the
+ module itself.
-- Issue #14471: Fix a possible buffer overrun in the winreg module.
+- Issue #15293: Add GC support to the AST base node type.
+
+- Issue #15291: Fix a memory leak where AST nodes where not properly
+ deallocated.
+
+- Issue #15110: Fix the tracebacks generated by "import xxx" to not show the
+ importlib stack frames.
+
+- Issue #15020: The program name used to search for Python's path is now
+ "python3" under Unix, not "python".
+
+- Issue #15033: Fix the exit status bug when modules invoked using -m swith,
+ return the proper failure return value (1). Patch contributed by Jeff Knupp.
+
+- Issue #15229: An OSError subclass whose __init__ doesn't call back
+ OSError.__init__ could produce incomplete instances, leading to crashes when
+ calling str() on them.
+
+- Issue 15307: Virtual environments now use symlinks with framework builds on
+ Mac OS X, like other POSIX builds.
Library
-------
Py_DECREF(raw);
}
- res = PyObject_CallMethod(buffer, "seekable", NULL);
+ res = _PyObject_CallMethodId(buffer, &PyId_seekable, NULL);
if (res == NULL)
goto error;
- self->seekable = self->telling = PyObject_IsTrue(res);
+ r = PyObject_IsTrue(res);
Py_DECREF(res);
+ if (r < 0)
+ goto error;
+ self->seekable = self->telling = r;
- self->has_read1 = PyObject_HasAttrString(buffer, "read1");
+ self->has_read1 = _PyObject_HasAttrId(buffer, &PyId_read1);
self->encoding_start_of_stream = 0;
if (self->seekable && self->encoder) {
subprocess_fork_exec(PyObject* self, PyObject *args)
{
PyObject *gc_module = NULL;
-- PyObject *executable_list, *py_close_fds, *py_fds_to_keep;
++ PyObject *executable_list, *py_fds_to_keep;
PyObject *env_list, *preexec_fn;
PyObject *process_args, *converted_args = NULL, *fast_args = NULL;
PyObject *preexec_fn_args_tuple = NULL;
Py_ssize_t arg_num;
if (!PyArg_ParseTuple(
-- args, "OOOOOOiiiiiiiiiiO:fork_exec",
-- &process_args, &executable_list, &py_close_fds, &py_fds_to_keep,
++ args, "OOpOOOiiiiiiiiiiO:fork_exec",
++ &process_args, &executable_list, &close_fds, &py_fds_to_keep,
&cwd_obj, &env_list,
&p2cread, &p2cwrite, &c2pread, &c2pwrite,
&errread, &errwrite, &errpipe_read, &errpipe_write,
&restore_signals, &call_setsid, &preexec_fn))
return NULL;
-- close_fds = PyObject_IsTrue(py_close_fds);
- if (close_fds < 0)
- return NULL;
if (close_fds && errpipe_write < 3) { /* precondition */
PyErr_SetString(PyExc_ValueError, "errpipe_write must be >= 3");
return NULL;
PyObject *retval = NULL;
int len;
int verification;
-- PyObject *binary_mode = Py_None;
- int b;
++ int binary_mode = 0;
-- if (!PyArg_ParseTuple(args, "|O:peer_certificate", &binary_mode))
++ if (!PyArg_ParseTuple(args, "|p:peer_certificate", &binary_mode))
return NULL;
if (!self->peer_cert)
Py_RETURN_NONE;
- if (PyObject_IsTrue(binary_mode)) {
- b = PyObject_IsTrue(binary_mode);
- if (b < 0)
- return NULL;
- if (b) {
++ if (binary_mode) {
/* return cert in DER-encoded format */
unsigned char *bytes_buf = NULL;
}
}
- if (start == -1)
+static PyObject *
+dropwhile_reduce(dropwhileobject *lz)
+{
+ return Py_BuildValue("O(OO)l", Py_TYPE(lz),
+ lz->func, lz->it, lz->start);
+}
+
+static PyObject *
+dropwhile_setstate(dropwhileobject *lz, PyObject *state)
+{
+ int start = PyObject_IsTrue(state);
++ if (start < 0)
+ return NULL;
+ lz->start = start;
+ Py_RETURN_NONE;
+}
+
+static PyMethodDef dropwhile_methods[] = {
+ {"__reduce__", (PyCFunction)dropwhile_reduce, METH_NOARGS,
+ reduce_doc},
+ {"__setstate__", (PyCFunction)dropwhile_setstate, METH_O,
+ setstate_doc},
+ {NULL, NULL} /* sentinel */
+};
+
PyDoc_STRVAR(dropwhile_doc,
"dropwhile(predicate, iterable) --> dropwhile object\n\
\n\
}
ok = PyObject_IsTrue(good);
Py_DECREF(good);
- if (ok)
- if (ok > 0)
++ if (ok == 1)
return item;
Py_DECREF(item);
- lz->stop = 1;
+ if (ok == 0)
+ lz->stop = 1;
return NULL;
}
- if (stop == -1)
+static PyObject *
+takewhile_reduce(takewhileobject *lz)
+{
+ return Py_BuildValue("O(OO)l", Py_TYPE(lz),
+ lz->func, lz->it, lz->stop);
+}
+
+static PyObject *
+takewhile_reduce_setstate(takewhileobject *lz, PyObject *state)
+{
+ int stop = PyObject_IsTrue(state);
++ if (stop < 0)
+ return NULL;
+ lz->stop = stop;
+ Py_RETURN_NONE;
+}
+
+static PyMethodDef takewhile_reduce_methods[] = {
+ {"__reduce__", (PyCFunction)takewhile_reduce, METH_NOARGS,
+ reduce_doc},
+ {"__setstate__", (PyCFunction)takewhile_reduce_setstate, METH_O,
+ setstate_doc},
+ {NULL, NULL} /* sentinel */
+};
PyDoc_STRVAR(takewhile_doc,
"takewhile(predicate, iterable) --> takewhile object\n\
\n\
if (ok == 1)
return datum;
Py_DECREF(datum);
-- if (ok == -1)
++ if (ok < 0)
return NULL;
}
}
static PyObject*
parser_st2tuple(PyST_Object *self, PyObject *args, PyObject *kw)
{
-- PyObject *line_option = 0;
-- PyObject *col_option = 0;
++ int line_info = 0;
++ int col_info = 0;
PyObject *res = 0;
int ok;
static char *keywords[] = {"st", "line_info", "col_info", NULL};
if (self == NULL || PyModule_Check(self)) {
-- ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|OO:st2tuple", keywords,
-- &PyST_Type, &self, &line_option,
-- &col_option);
++ ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|pp:st2tuple", keywords,
++ &PyST_Type, &self, &line_info,
++ &col_info);
}
else
-- ok = PyArg_ParseTupleAndKeywords(args, kw, "|OO:totuple", &keywords[1],
-- &line_option, &col_option);
++ ok = PyArg_ParseTupleAndKeywords(args, kw, "|pp:totuple", &keywords[1],
++ &line_info, &col_info);
if (ok != 0) {
-- int lineno = 0;
-- int col_offset = 0;
-- if (line_option != NULL) {
- lineno = (PyObject_IsTrue(line_option) != 0) ? 1 : 0;
- lineno = PyObject_IsTrue(line_option);
- if (lineno < 0)
- return NULL;
-- }
-- if (col_option != NULL) {
- col_offset = (PyObject_IsTrue(col_option) != 0) ? 1 : 0;
- col_offset = PyObject_IsTrue(col_option);
- if (col_offset < 0)
- return NULL;
-- }
/*
* Convert ST into a tuple representation. Use Guido's function,
* since it's known to work already.
*/
res = node2tuple(((PyST_Object*)self)->st_node,
-- PyTuple_New, PyTuple_SetItem, lineno, col_offset);
++ PyTuple_New, PyTuple_SetItem, line_info, col_info);
}
return (res);
}
static PyObject*
parser_st2list(PyST_Object *self, PyObject *args, PyObject *kw)
{
-- PyObject *line_option = 0;
-- PyObject *col_option = 0;
++ int line_info = 0;
++ int col_info = 0;
PyObject *res = 0;
int ok;
static char *keywords[] = {"st", "line_info", "col_info", NULL};
if (self == NULL || PyModule_Check(self))
-- ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|OO:st2list", keywords,
-- &PyST_Type, &self, &line_option,
-- &col_option);
++ ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|pp:st2list", keywords,
++ &PyST_Type, &self, &line_info,
++ &col_info);
else
-- ok = PyArg_ParseTupleAndKeywords(args, kw, "|OO:tolist", &keywords[1],
-- &line_option, &col_option);
++ ok = PyArg_ParseTupleAndKeywords(args, kw, "|pp:tolist", &keywords[1],
++ &line_info, &col_info);
if (ok) {
-- int lineno = 0;
-- int col_offset = 0;
-- if (line_option != 0) {
- lineno = PyObject_IsTrue(line_option) ? 1 : 0;
- lineno = PyObject_IsTrue(line_option);
- if (lineno < 0)
- return NULL;
-- }
- if (col_option != NULL) {
- col_offset = (PyObject_IsTrue(col_option) != 0) ? 1 : 0;
- if (col_option != 0) {
- col_offset = PyObject_IsTrue(col_option);
- if (col_offset < 0)
- return NULL;
-- }
/*
* Convert ST into a tuple representation. Use Guido's function,
* since it's known to work already.
*/
res = node2tuple(self->st_node,
-- PyList_New, PyList_SetItem, lineno, col_offset);
++ PyList_New, PyList_SetItem, line_info, col_info);
}
return (res);
}
static PyObject *
xmlparse_UseForeignDTD(xmlparseobject *self, PyObject *args)
{
-- PyObject *flagobj = NULL;
- XML_Bool flag = XML_TRUE;
+ int flag = 1;
enum XML_Error rc;
- if (!PyArg_UnpackTuple(args, "UseForeignDTD", 0, 1, &flagobj))
- if (!PyArg_ParseTuple(args, "O:UseForeignDTD", &flagobj))
++ if (!PyArg_ParseTuple(args, "p:UseForeignDTD", &flag))
return NULL;
- if (flagobj != NULL)
- flag = PyObject_IsTrue(flagobj) ? XML_TRUE : XML_FALSE;
- rc = XML_UseForeignDTD(self->itself, flag);
- if (flagobj != NULL) {
- flag = PyObject_IsTrue(flagobj);
- if (flag < 0)
- return NULL;
- }
+ rc = XML_UseForeignDTD(self->itself, flag ? XML_TRUE : XML_FALSE);
if (rc != XML_ERROR_NONE) {
return set_error(self, rc);
}
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