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| author | Raymond Hettinger <python@rcn.com> | 2009-11-30 22:02:31 +0000 |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2009-11-30 22:02:31 +0000 |
| commit | 5957710dfbb03a0626889494dbec77b68192aab8 (patch) | |
| tree | 9ca30cd6b6876e364d0793b1d25fc93c38a1c382 /Modules/itertoolsmodule.c | |
| parent | e7dab9f56d4809d752107310b9808e8232185a94 (diff) | |
| download | cpython-5957710dfbb03a0626889494dbec77b68192aab8.tar.gz | |
Issue 7410: deepcopy of itertools.count() reset the count.
Diffstat (limited to 'Modules/itertoolsmodule.c')
| -rw-r--r-- | Modules/itertoolsmodule.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index 3264d1f762..74396b68b8 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -3049,6 +3049,22 @@ count_repr(countobject *lz) lz->long_cnt, lz->long_step); } +static PyObject * +count_reduce(countobject *lz) +{ + if (lz->cnt == PY_SSIZE_T_MAX) + return Py_BuildValue("O(OO)", Py_TYPE(lz), lz->long_cnt, lz->long_step); + return Py_BuildValue("O(n)", Py_TYPE(lz), lz->cnt); +} + +PyDoc_STRVAR(count_reduce_doc, "Return state information for pickling."); + +static PyMethodDef count_methods[] = { + {"__reduce__", (PyCFunction)count_reduce, METH_NOARGS, + count_reduce_doc}, + {NULL, NULL} /* sentinel */ +}; + PyDoc_STRVAR(count_doc, "count(start=0, step=1]) --> count object\n\ \n\ @@ -3090,7 +3106,7 @@ static PyTypeObject count_type = { 0, /* tp_weaklistoffset */ PyObject_SelfIter, /* tp_iter */ (iternextfunc)count_next, /* tp_iternext */ - 0, /* tp_methods */ + count_methods, /* tp_methods */ 0, /* tp_members */ 0, /* tp_getset */ 0, /* tp_base */ |