cpython/Objects/genobject.c

753 lines
23 KiB
C
Raw Normal View History

/* Generator object implementation */
#include "Python.h"
#include "frameobject.h"
#include "structmember.h"
#include "opcode.h"
static PyObject *gen_close(PyGenObject *gen, PyObject *args);
static int
gen_traverse(PyGenObject *gen, visitproc visit, void *arg)
{
Py_VISIT((PyObject *)gen->gi_frame);
Py_VISIT(gen->gi_code);
Py_VISIT(gen->gi_name);
Py_VISIT(gen->gi_qualname);
return 0;
}
void
_PyGen_Finalize(PyObject *self)
{
PyGenObject *gen = (PyGenObject *)self;
PyObject *res;
PyObject *error_type, *error_value, *error_traceback;
/* If `gen` is a coroutine, and if it was never awaited on,
issue a RuntimeWarning. */
if (gen->gi_code != NULL
&& ((PyCodeObject *)gen->gi_code)->co_flags & (CO_COROUTINE
| CO_ITERABLE_COROUTINE)
&& gen->gi_frame != NULL
&& gen->gi_frame->f_lasti == -1
&& !PyErr_Occurred()
&& PyErr_WarnFormat(PyExc_RuntimeWarning, 1,
"coroutine '%.50S' was never awaited",
gen->gi_qualname))
return;
if (gen->gi_frame == NULL || gen->gi_frame->f_stacktop == NULL)
/* Generator isn't paused, so no need to close */
return;
/* Save the current exception, if any. */
PyErr_Fetch(&error_type, &error_value, &error_traceback);
res = gen_close(gen, NULL);
if (res == NULL)
PyErr_WriteUnraisable(self);
else
Py_DECREF(res);
/* Restore the saved exception. */
PyErr_Restore(error_type, error_value, error_traceback);
}
static void
gen_dealloc(PyGenObject *gen)
{
PyObject *self = (PyObject *) gen;
_PyObject_GC_UNTRACK(gen);
if (gen->gi_weakreflist != NULL)
PyObject_ClearWeakRefs(self);
_PyObject_GC_TRACK(self);
if (PyObject_CallFinalizerFromDealloc(self))
return; /* resurrected. :( */
_PyObject_GC_UNTRACK(self);
Py_CLEAR(gen->gi_frame);
Py_CLEAR(gen->gi_code);
Py_CLEAR(gen->gi_name);
Py_CLEAR(gen->gi_qualname);
PyObject_GC_Del(gen);
}
static PyObject *
gen_send_ex(PyGenObject *gen, PyObject *arg, int exc)
{
PyThreadState *tstate = PyThreadState_GET();
PyFrameObject *f = gen->gi_frame;
PyObject *result;
if (gen->gi_running) {
PyErr_SetString(PyExc_ValueError,
"generator already executing");
return NULL;
}
if (f == NULL || f->f_stacktop == NULL) {
/* Only set exception if called from send() */
if (arg && !exc)
PyErr_SetNone(PyExc_StopIteration);
return NULL;
}
if (f->f_lasti == -1) {
if (arg && arg != Py_None) {
PyErr_SetString(PyExc_TypeError,
"can't send non-None value to a "
"just-started generator");
return NULL;
}
} else {
/* Push arg onto the frame's value stack */
result = arg ? arg : Py_None;
Py_INCREF(result);
*(f->f_stacktop++) = result;
}
/* Generators always return to their most recent caller, not
* necessarily their creator. */
Py_XINCREF(tstate->frame);
assert(f->f_back == NULL);
f->f_back = tstate->frame;
gen->gi_running = 1;
result = PyEval_EvalFrameEx(f, exc);
gen->gi_running = 0;
/* Don't keep the reference to f_back any longer than necessary. It
* may keep a chain of frames alive or it could create a reference
* cycle. */
assert(f->f_back == tstate->frame);
Py_CLEAR(f->f_back);
/* If the generator just returned (as opposed to yielding), signal
* that the generator is exhausted. */
if (result && f->f_stacktop == NULL) {
if (result == Py_None) {
/* Delay exception instantiation if we can */
PyErr_SetNone(PyExc_StopIteration);
} else {
PyObject *e = PyObject_CallFunctionObjArgs(
PyExc_StopIteration, result, NULL);
if (e != NULL) {
PyErr_SetObject(PyExc_StopIteration, e);
Py_DECREF(e);
}
}
Py_CLEAR(result);
}
else if (!result && PyErr_ExceptionMatches(PyExc_StopIteration)) {
/* Check for __future__ generator_stop and conditionally turn
* a leaking StopIteration into RuntimeError (with its cause
* set appropriately). */
if (((PyCodeObject *)gen->gi_code)->co_flags &
(CO_FUTURE_GENERATOR_STOP | CO_COROUTINE | CO_ITERABLE_COROUTINE))
{
PyObject *exc, *val, *val2, *tb;
PyErr_Fetch(&exc, &val, &tb);
PyErr_NormalizeException(&exc, &val, &tb);
if (tb != NULL)
PyException_SetTraceback(val, tb);
Py_DECREF(exc);
Py_XDECREF(tb);
PyErr_SetString(PyExc_RuntimeError,
"generator raised StopIteration");
PyErr_Fetch(&exc, &val2, &tb);
PyErr_NormalizeException(&exc, &val2, &tb);
Py_INCREF(val);
PyException_SetCause(val2, val);
PyException_SetContext(val2, val);
PyErr_Restore(exc, val2, tb);
}
else {
PyObject *exc, *val, *tb;
/* Pop the exception before issuing a warning. */
PyErr_Fetch(&exc, &val, &tb);
if (PyErr_WarnFormat(PyExc_PendingDeprecationWarning, 1,
"generator '%.50S' raised StopIteration",
gen->gi_qualname)) {
/* Warning was converted to an error. */
Py_XDECREF(exc);
Py_XDECREF(val);
Py_XDECREF(tb);
}
else {
PyErr_Restore(exc, val, tb);
}
}
}
if (!result || f->f_stacktop == NULL) {
/* generator can't be rerun, so release the frame */
/* first clean reference cycle through stored exception traceback */
PyObject *t, *v, *tb;
t = f->f_exc_type;
v = f->f_exc_value;
tb = f->f_exc_traceback;
f->f_exc_type = NULL;
f->f_exc_value = NULL;
f->f_exc_traceback = NULL;
Py_XDECREF(t);
Py_XDECREF(v);
Py_XDECREF(tb);
gen->gi_frame->f_gen = NULL;
gen->gi_frame = NULL;
Py_DECREF(f);
}
return result;
}
PyDoc_STRVAR(send_doc,
"send(arg) -> send 'arg' into generator,\n\
return next yielded value or raise StopIteration.");
PyObject *
_PyGen_Send(PyGenObject *gen, PyObject *arg)
{
return gen_send_ex(gen, arg, 0);
}
PyDoc_STRVAR(close_doc,
"close() -> raise GeneratorExit inside generator.");
/*
* This helper function is used by gen_close and gen_throw to
* close a subiterator being delegated to by yield-from.
*/
static int
gen_close_iter(PyObject *yf)
{
PyObject *retval = NULL;
_Py_IDENTIFIER(close);
if (PyGen_CheckExact(yf)) {
retval = gen_close((PyGenObject *)yf, NULL);
if (retval == NULL)
return -1;
} else {
PyObject *meth = _PyObject_GetAttrId(yf, &PyId_close);
if (meth == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError))
PyErr_WriteUnraisable(yf);
PyErr_Clear();
} else {
retval = PyObject_CallFunction(meth, "");
Py_DECREF(meth);
if (retval == NULL)
return -1;
}
}
Py_XDECREF(retval);
return 0;
}
static PyObject *
gen_yf(PyGenObject *gen)
{
PyObject *yf = NULL;
PyFrameObject *f = gen->gi_frame;
if (f && f->f_stacktop) {
PyObject *bytecode = f->f_code->co_code;
unsigned char *code = (unsigned char *)PyBytes_AS_STRING(bytecode);
if (code[f->f_lasti + 1] != YIELD_FROM)
return NULL;
yf = f->f_stacktop[-1];
Py_INCREF(yf);
}
return yf;
}
static PyObject *
gen_close(PyGenObject *gen, PyObject *args)
{
PyObject *retval;
PyObject *yf = gen_yf(gen);
int err = 0;
if (yf) {
gen->gi_running = 1;
err = gen_close_iter(yf);
gen->gi_running = 0;
Py_DECREF(yf);
}
if (err == 0)
PyErr_SetNone(PyExc_GeneratorExit);
retval = gen_send_ex(gen, Py_None, 1);
if (retval) {
Py_DECREF(retval);
PyErr_SetString(PyExc_RuntimeError,
"generator ignored GeneratorExit");
return NULL;
}
if (PyErr_ExceptionMatches(PyExc_StopIteration)
|| PyErr_ExceptionMatches(PyExc_GeneratorExit)) {
PyErr_Clear(); /* ignore these errors */
Py_INCREF(Py_None);
return Py_None;
}
return NULL;
}
PyDoc_STRVAR(throw_doc,
"throw(typ[,val[,tb]]) -> raise exception in generator,\n\
return next yielded value or raise StopIteration.");
static PyObject *
gen_throw(PyGenObject *gen, PyObject *args)
{
PyObject *typ;
PyObject *tb = NULL;
PyObject *val = NULL;
PyObject *yf = gen_yf(gen);
_Py_IDENTIFIER(throw);
if (!PyArg_UnpackTuple(args, "throw", 1, 3, &typ, &val, &tb))
return NULL;
if (yf) {
PyObject *ret;
int err;
if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
gen->gi_running = 1;
err = gen_close_iter(yf);
gen->gi_running = 0;
Py_DECREF(yf);
if (err < 0)
return gen_send_ex(gen, Py_None, 1);
goto throw_here;
}
if (PyGen_CheckExact(yf)) {
gen->gi_running = 1;
ret = gen_throw((PyGenObject *)yf, args);
gen->gi_running = 0;
} else {
PyObject *meth = _PyObject_GetAttrId(yf, &PyId_throw);
if (meth == NULL) {
if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
Py_DECREF(yf);
return NULL;
}
PyErr_Clear();
Py_DECREF(yf);
goto throw_here;
}
gen->gi_running = 1;
ret = PyObject_CallObject(meth, args);
gen->gi_running = 0;
Py_DECREF(meth);
}
Py_DECREF(yf);
if (!ret) {
PyObject *val;
/* Pop subiterator from stack */
ret = *(--gen->gi_frame->f_stacktop);
assert(ret == yf);
Py_DECREF(ret);
/* Termination repetition of YIELD_FROM */
gen->gi_frame->f_lasti++;
if (_PyGen_FetchStopIterationValue(&val) == 0) {
ret = gen_send_ex(gen, val, 0);
Py_DECREF(val);
} else {
ret = gen_send_ex(gen, Py_None, 1);
}
}
return ret;
}
throw_here:
/* First, check the traceback argument, replacing None with
NULL. */
2011-10-19 17:57:40 -03:00
if (tb == Py_None) {
tb = NULL;
2011-10-19 17:57:40 -03:00
}
else if (tb != NULL && !PyTraceBack_Check(tb)) {
PyErr_SetString(PyExc_TypeError,
"throw() third argument must be a traceback object");
return NULL;
}
Py_INCREF(typ);
Py_XINCREF(val);
Py_XINCREF(tb);
2011-10-19 17:57:40 -03:00
if (PyExceptionClass_Check(typ))
PyErr_NormalizeException(&typ, &val, &tb);
else if (PyExceptionInstance_Check(typ)) {
/* Raising an instance. The value should be a dummy. */
if (val && val != Py_None) {
PyErr_SetString(PyExc_TypeError,
"instance exception may not have a separate value");
goto failed_throw;
}
else {
/* Normalize to raise <class>, <instance> */
Py_XDECREF(val);
val = typ;
typ = PyExceptionInstance_Class(typ);
Py_INCREF(typ);
2011-10-19 17:57:40 -03:00
if (tb == NULL)
/* Returns NULL if there's no traceback */
tb = PyException_GetTraceback(val);
}
}
else {
/* Not something you can raise. throw() fails. */
PyErr_Format(PyExc_TypeError,
"exceptions must be classes or instances "
"deriving from BaseException, not %s",
Py_TYPE(typ)->tp_name);
goto failed_throw;
}
PyErr_Restore(typ, val, tb);
return gen_send_ex(gen, Py_None, 1);
failed_throw:
/* Didn't use our arguments, so restore their original refcounts */
Py_DECREF(typ);
Py_XDECREF(val);
Py_XDECREF(tb);
return NULL;
}
static PyObject *
gen_iternext(PyGenObject *gen)
{
if (((PyCodeObject*)gen->gi_code)->co_flags & CO_COROUTINE) {
PyErr_SetString(PyExc_TypeError,
"coroutine-objects do not support iteration");
return NULL;
}
2014-07-08 19:43:23 -03:00
return gen_send_ex(gen, NULL, 0);
}
/*
* If StopIteration exception is set, fetches its 'value'
* attribute if any, otherwise sets pvalue to None.
*
* Returns 0 if no exception or StopIteration is set.
* If any other exception is set, returns -1 and leaves
* pvalue unchanged.
*/
int
_PyGen_FetchStopIterationValue(PyObject **pvalue) {
PyObject *et, *ev, *tb;
PyObject *value = NULL;
if (PyErr_ExceptionMatches(PyExc_StopIteration)) {
PyErr_Fetch(&et, &ev, &tb);
if (ev) {
/* exception will usually be normalised already */
if (PyObject_TypeCheck(ev, (PyTypeObject *) et)) {
value = ((PyStopIterationObject *)ev)->value;
Py_INCREF(value);
Py_DECREF(ev);
} else if (et == PyExc_StopIteration) {
/* avoid normalisation and take ev as value */
value = ev;
} else {
/* normalisation required */
PyErr_NormalizeException(&et, &ev, &tb);
if (!PyObject_TypeCheck(ev, (PyTypeObject *)PyExc_StopIteration)) {
PyErr_Restore(et, ev, tb);
return -1;
}
value = ((PyStopIterationObject *)ev)->value;
Py_INCREF(value);
Py_DECREF(ev);
}
}
Py_XDECREF(et);
Py_XDECREF(tb);
} else if (PyErr_Occurred()) {
return -1;
}
if (value == NULL) {
value = Py_None;
Py_INCREF(value);
}
*pvalue = value;
return 0;
}
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
static PyObject *
gen_repr(PyGenObject *gen)
{
if (PyGen_CheckCoroutineExact(gen)) {
return PyUnicode_FromFormat("<coroutine object %S at %p>",
gen->gi_qualname, gen);
}
else {
return PyUnicode_FromFormat("<generator object %S at %p>",
gen->gi_qualname, gen);
}
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
}
static PyObject *
gen_get_name(PyGenObject *op)
{
Py_INCREF(op->gi_name);
return op->gi_name;
}
static int
gen_set_name(PyGenObject *op, PyObject *value)
{
PyObject *tmp;
/* Not legal to del gen.gi_name or to set it to anything
* other than a string object. */
if (value == NULL || !PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"__name__ must be set to a string object");
return -1;
}
tmp = op->gi_name;
Py_INCREF(value);
op->gi_name = value;
Py_DECREF(tmp);
return 0;
}
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
static PyObject *
gen_get_qualname(PyGenObject *op)
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
{
Py_INCREF(op->gi_qualname);
return op->gi_qualname;
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
}
static PyObject *
gen_get_iter(PyGenObject *gen)
{
if (((PyCodeObject*)gen->gi_code)->co_flags & CO_COROUTINE) {
PyErr_SetString(PyExc_TypeError,
"coroutine-objects do not support iteration");
return NULL;
}
Py_INCREF(gen);
2015-05-12 00:23:05 -03:00
return (PyObject *)gen;
}
static int
gen_set_qualname(PyGenObject *op, PyObject *value)
{
PyObject *tmp;
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
/* Not legal to del gen.__qualname__ or to set it to anything
* other than a string object. */
if (value == NULL || !PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"__qualname__ must be set to a string object");
return -1;
}
tmp = op->gi_qualname;
Py_INCREF(value);
op->gi_qualname = value;
Py_DECREF(tmp);
return 0;
}
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
static PyGetSetDef gen_getsetlist[] = {
{"__name__", (getter)gen_get_name, (setter)gen_set_name,
PyDoc_STR("name of the generator")},
{"__qualname__", (getter)gen_get_qualname, (setter)gen_set_qualname,
PyDoc_STR("qualified name of the generator")},
{NULL} /* Sentinel */
Merged revisions 63208-63209,63211-63212,63214-63217,63219-63224,63226-63227,63229-63232,63234-63235,63237-63239,63241,63243-63246,63250-63254,63256-63259,63261,63263-63264,63266-63267,63269-63270,63272-63273,63275-63276,63278,63280-63281,63283-63284,63286-63287,63289-63290,63292-63293,63295-63296,63298-63299,63301-63302,63304-63305,63307,63309-63314,63316-63322,63324-63325,63327-63335,63337-63338,63340-63342,63344-63346,63348 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r63208 | georg.brandl | 2008-05-13 15:04:54 -0400 (Tue, 13 May 2008) | 2 lines #2831: add start argument to enumerate(). Patch by Scott Dial and me. ........ r63209 | marc-andre.lemburg | 2008-05-13 15:10:45 -0400 (Tue, 13 May 2008) | 3 lines Remove leftovers from reverted setuptools checkin (they were added in r45525). ........ r63211 | georg.brandl | 2008-05-13 17:32:03 -0400 (Tue, 13 May 2008) | 2 lines Fix a refleak in the _warnings module. ........ r63212 | andrew.kuchling | 2008-05-13 20:46:41 -0400 (Tue, 13 May 2008) | 1 line List all the removes and renamed modules ........ r63214 | brett.cannon | 2008-05-13 21:09:40 -0400 (Tue, 13 May 2008) | 2 lines Rewrap some lines in test_py3kwarn. ........ r63219 | georg.brandl | 2008-05-14 02:34:15 -0400 (Wed, 14 May 2008) | 2 lines Add NEWS entry for #2831. ........ r63220 | neal.norwitz | 2008-05-14 02:47:56 -0400 (Wed, 14 May 2008) | 3 lines Fix "refleak" by restoring the tearDown method removed by accident (AFAICT) in r62788. ........ r63221 | georg.brandl | 2008-05-14 03:18:22 -0400 (Wed, 14 May 2008) | 2 lines Fix another "refleak" by clearing the filters after test. ........ r63222 | neal.norwitz | 2008-05-14 03:21:42 -0400 (Wed, 14 May 2008) | 5 lines Install the json package and tests as well as the lib2to3 tests so the tests work when run from an install directory. They are currently skipped on the daily runs (not from the buildbots) for checking refleaks, etc. ........ r63256 | andrew.kuchling | 2008-05-14 21:10:24 -0400 (Wed, 14 May 2008) | 1 line Note some removals and a rename ........ r63311 | brett.cannon | 2008-05-15 00:36:53 -0400 (Thu, 15 May 2008) | 2 lines Add a snippet for the deprecation directive for docs. ........ r63313 | gregory.p.smith | 2008-05-15 00:56:18 -0400 (Thu, 15 May 2008) | 5 lines disable the crashing test. I will also file a bug. This crash does not appear to be a new bug, its just that the test coverage went up recently exposing it. (I verified that by testing this test code on an older Modules/_bsddb.c) ........ r63320 | georg.brandl | 2008-05-15 11:08:32 -0400 (Thu, 15 May 2008) | 2 lines #2863: add gen.__name__ and add this name to generator repr(). ........ r63324 | andrew.kuchling | 2008-05-15 16:07:39 -0400 (Thu, 15 May 2008) | 1 line Import class from distutils.cmd, not .core, to avoid circular import ........ r63327 | alexandre.vassalotti | 2008-05-15 16:31:42 -0400 (Thu, 15 May 2008) | 2 lines Fixed typo in a doctest of test_genexps. ........ r63332 | benjamin.peterson | 2008-05-15 18:34:33 -0400 (Thu, 15 May 2008) | 2 lines add Mac modules to the list of deprecated ones ........ r63333 | benjamin.peterson | 2008-05-15 18:41:16 -0400 (Thu, 15 May 2008) | 2 lines fix typos in whatsnew ........ r63348 | benjamin.peterson | 2008-05-15 22:24:49 -0400 (Thu, 15 May 2008) | 2 lines make test_platform a bit more assertive (We'll see what the buildbots say.) ........
2008-05-16 01:39:54 -03:00
};
static PyMemberDef gen_memberlist[] = {
{"gi_frame", T_OBJECT, offsetof(PyGenObject, gi_frame), READONLY},
{"gi_running", T_BOOL, offsetof(PyGenObject, gi_running), READONLY},
{"gi_code", T_OBJECT, offsetof(PyGenObject, gi_code), READONLY},
{NULL} /* Sentinel */
};
static PyMethodDef gen_methods[] = {
{"send",(PyCFunction)_PyGen_Send, METH_O, send_doc},
{"throw",(PyCFunction)gen_throw, METH_VARARGS, throw_doc},
{"close",(PyCFunction)gen_close, METH_NOARGS, close_doc},
{NULL, NULL} /* Sentinel */
};
PyTypeObject PyGen_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"generator", /* tp_name */
sizeof(PyGenObject), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)gen_dealloc, /* tp_dealloc */
0, /* tp_print */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
(reprfunc)gen_repr, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
Py_TPFLAGS_HAVE_FINALIZE, /* tp_flags */
0, /* tp_doc */
(traverseproc)gen_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
offsetof(PyGenObject, gi_weakreflist), /* tp_weaklistoffset */
(getiterfunc)gen_get_iter, /* tp_iter */
(iternextfunc)gen_iternext, /* tp_iternext */
gen_methods, /* tp_methods */
gen_memberlist, /* tp_members */
gen_getsetlist, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
0, /* tp_free */
0, /* tp_is_gc */
0, /* tp_bases */
0, /* tp_mro */
0, /* tp_cache */
0, /* tp_subclasses */
0, /* tp_weaklist */
0, /* tp_del */
0, /* tp_version_tag */
_PyGen_Finalize, /* tp_finalize */
};
PyObject *
PyGen_NewWithQualName(PyFrameObject *f, PyObject *name, PyObject *qualname)
{
PyGenObject *gen = PyObject_GC_New(PyGenObject, &PyGen_Type);
if (gen == NULL) {
Py_DECREF(f);
return NULL;
}
gen->gi_frame = f;
f->f_gen = (PyObject *) gen;
Py_INCREF(f->f_code);
gen->gi_code = (PyObject *)(f->f_code);
gen->gi_running = 0;
gen->gi_weakreflist = NULL;
if (name != NULL)
gen->gi_name = name;
else
gen->gi_name = ((PyCodeObject *)gen->gi_code)->co_name;
Py_INCREF(gen->gi_name);
if (qualname != NULL)
gen->gi_qualname = qualname;
else
gen->gi_qualname = gen->gi_name;
Py_INCREF(gen->gi_qualname);
_PyObject_GC_TRACK(gen);
return (PyObject *)gen;
}
PyObject *
PyGen_New(PyFrameObject *f)
{
return PyGen_NewWithQualName(f, NULL, NULL);
}
int
PyGen_NeedsFinalizing(PyGenObject *gen)
{
int i;
PyFrameObject *f = gen->gi_frame;
if (f == NULL || f->f_stacktop == NULL)
return 0; /* no frame or empty blockstack == no finalization */
/* Any block type besides a loop requires cleanup. */
for (i = 0; i < f->f_iblock; i++)
if (f->f_blockstack[i].b_type != SETUP_LOOP)
return 1;
/* No blocks except loops, it's safe to skip finalization. */
return 0;
}
/*
* This helper function returns an awaitable for `o`:
* - `o` if `o` is a coroutine-object;
* - `type(o)->tp_as_async->am_await(o)`
*
* Raises a TypeError if it's not possible to return
* an awaitable and returns NULL.
*/
PyObject *
_PyGen_GetAwaitableIter(PyObject *o)
{
unaryfunc getter = NULL;
PyTypeObject *ot;
if (PyGen_CheckCoroutineExact(o)) {
/* Fast path. It's a central function for 'await'. */
Py_INCREF(o);
return o;
}
ot = Py_TYPE(o);
if (ot->tp_as_async != NULL) {
getter = ot->tp_as_async->am_await;
}
if (getter != NULL) {
PyObject *res = (*getter)(o);
if (res != NULL) {
if (!PyIter_Check(res)) {
PyErr_Format(PyExc_TypeError,
"__await__() returned non-iterator "
"of type '%.100s'",
Py_TYPE(res)->tp_name);
Py_CLEAR(res);
}
else {
if (PyGen_CheckCoroutineExact(res)) {
/* __await__ must return an *iterator*, not
a coroutine or another awaitable (see PEP 492) */
PyErr_SetString(PyExc_TypeError,
"__await__() returned a coroutine");
Py_CLEAR(res);
}
}
}
return res;
}
PyErr_Format(PyExc_TypeError,
"object %.100s can't be used in 'await' expression",
ot->tp_name);
return NULL;
}