gh-117764: Fix and add signatures for many builtins (GH-117769)

Python/bltinmodule.c

@@ -475,7 +475,7 @@ builtin_breakpoint(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyOb
 }
 
 PyDoc_STRVAR(breakpoint_doc,
-"breakpoint(*args, **kws)\n\
+"breakpoint($module, /, *args, **kws)\n\
 --\n\
 \n\
 Call sys.breakpointhook(*args, **kws).  sys.breakpointhook() must accept\n\
@@ -1703,16 +1703,16 @@ anext as builtin_anext
     default: object = NULL
     /
 
-async anext(aiterator[, default])
+Return the next item from the async iterator.
 
-Return the next item from the async iterator.  If default is given and the async
-iterator is exhausted, it is returned instead of raising StopAsyncIteration.
+If default is given and the async iterator is exhausted,
+it is returned instead of raising StopAsyncIteration.
 [clinic start generated code]*/
 
 static PyObject *
 builtin_anext_impl(PyObject *module, PyObject *aiterator,
                    PyObject *default_value)
-/*[clinic end generated code: output=f02c060c163a81fa input=8f63f4f78590bb4c]*/
+/*[clinic end generated code: output=f02c060c163a81fa input=2900e4a370d39550]*/
 {
     PyTypeObject *t;
     PyObject *awaitable;

Python/clinic/bltinmodule.c.h

@@ -693,10 +693,10 @@ PyDoc_STRVAR(builtin_anext__doc__,
 "anext($module, aiterator, default=<unrepresentable>, /)\n"
 "--\n"
 "\n"
-"async anext(aiterator[, default])\n"
+"Return the next item from the async iterator.\n"
 "\n"
-"Return the next item from the async iterator.  If default is given and the async\n"
-"iterator is exhausted, it is returned instead of raising StopAsyncIteration.");
+"If default is given and the async iterator is exhausted,\n"
+"it is returned instead of raising StopAsyncIteration.");
 
 #define BUILTIN_ANEXT_METHODDEF    \
     {"anext", _PyCFunction_CAST(builtin_anext), METH_FASTCALL, builtin_anext__doc__},
@@ -1193,4 +1193,4 @@ builtin_issubclass(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=643a8d5f900e0c36 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=6d15edfc194b2c08 input=a9049054013a1b77]*/

Python/clinic/traceback.c.h

@@ -9,7 +9,7 @@ preserve
 #include "pycore_modsupport.h"    // _PyArg_UnpackKeywords()
 
 PyDoc_STRVAR(tb_new__doc__,
-"TracebackType(tb_next, tb_frame, tb_lasti, tb_lineno)\n"
+"traceback(tb_next, tb_frame, tb_lasti, tb_lineno)\n"
 "--\n"
 "\n"
 "Create a new traceback object.");
@@ -43,7 +43,7 @@ tb_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
     static const char * const _keywords[] = {"tb_next", "tb_frame", "tb_lasti", "tb_lineno", NULL};
     static _PyArg_Parser _parser = {
         .keywords = _keywords,
-        .fname = "TracebackType",
+        .fname = "traceback",
         .kwtuple = KWTUPLE,
     };
     #undef KWTUPLE
@@ -61,7 +61,7 @@ tb_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
     }
     tb_next = fastargs[0];
     if (!PyObject_TypeCheck(fastargs[1], &PyFrame_Type)) {
-        _PyArg_BadArgument("TracebackType", "argument 'tb_frame'", (&PyFrame_Type)->tp_name, fastargs[1]);
+        _PyArg_BadArgument("traceback", "argument 'tb_frame'", (&PyFrame_Type)->tp_name, fastargs[1]);
         goto exit;
     }
     tb_frame = (PyFrameObject *)fastargs[1];
@@ -78,4 +78,4 @@ tb_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=4e2f6b935841b09c input=a9049054013a1b77]*/
+/*[clinic end generated code: output=916a759875507c5a input=a9049054013a1b77]*/

Python/traceback.c

@@ -34,9 +34,9 @@
 extern char* _PyTokenizer_FindEncodingFilename(int, PyObject *);
 
 /*[clinic input]
-class TracebackType "PyTracebackObject *" "&PyTraceback_Type"
+class traceback "PyTracebackObject *" "&PyTraceback_Type"
 [clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=928fa06c10151120]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=cf96294b2bebc811]*/
 
 #include "clinic/traceback.c.h"
 
@@ -63,7 +63,7 @@ tb_create_raw(PyTracebackObject *next, PyFrameObject *frame, int lasti,
 
 /*[clinic input]
 @classmethod
-TracebackType.__new__ as tb_new
+traceback.__new__ as tb_new
 
   tb_next: object
   tb_frame: object(type='PyFrameObject *', subclass_of='&PyFrame_Type')
@@ -76,7 +76,7 @@ Create a new traceback object.
 static PyObject *
 tb_new_impl(PyTypeObject *type, PyObject *tb_next, PyFrameObject *tb_frame,
             int tb_lasti, int tb_lineno)
-/*[clinic end generated code: output=fa077debd72d861a input=01cbe8ec8783fca7]*/
+/*[clinic end generated code: output=fa077debd72d861a input=b88143145454cb59]*/
 {
     if (tb_next == Py_None) {
         tb_next = NULL;