diff options
Diffstat (limited to 'Modules/readline.c')
| -rw-r--r-- | Modules/readline.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Modules/readline.c b/Modules/readline.c index f349d3b109..26dfffbfaa 100644 --- a/Modules/readline.c +++ b/Modules/readline.c @@ -237,6 +237,43 @@ Save a readline history file.\n\ The default filename is ~/.history."); +#ifdef HAVE_RL_APPEND_HISTORY +/* Exported function to save part of a readline history file */ + +static PyObject * +append_history_file(PyObject *self, PyObject *args) +{ + int nelements; + PyObject *filename_obj = Py_None, *filename_bytes; + char *filename; + int err; + if (!PyArg_ParseTuple(args, "i|O:append_history_file", &nelements, &filename_obj)) + return NULL; + if (filename_obj != Py_None) { + if (!PyUnicode_FSConverter(filename_obj, &filename_bytes)) + return NULL; + filename = PyBytes_AsString(filename_bytes); + } else { + filename_bytes = NULL; + filename = NULL; + } + errno = err = append_history(nelements, filename); + if (!err && _history_length >= 0) + history_truncate_file(filename, _history_length); + Py_XDECREF(filename_bytes); + errno = err; + if (errno) + return PyErr_SetFromErrno(PyExc_IOError); + Py_RETURN_NONE; +} + +PyDoc_STRVAR(doc_append_history_file, +"append_history_file(nelements[, filename]) -> None\n\ +Append the last nelements of the history list to file.\n\ +The default filename is ~/.history."); +#endif + + /* Set history length */ static PyObject* @@ -747,6 +784,10 @@ static struct PyMethodDef readline_methods[] = METH_VARARGS, doc_read_history_file}, {"write_history_file", write_history_file, METH_VARARGS, doc_write_history_file}, +#ifdef HAVE_RL_APPEND_HISTORY + {"append_history_file", append_history_file, + METH_VARARGS, doc_append_history_file}, +#endif {"get_history_item", get_history_item, METH_VARARGS, doc_get_history_item}, {"get_current_history_length", (PyCFunction)get_current_history_length, |