Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1 | /* This module makes GNU readline available to Python. It has ideas |
| 2 | * contributed by Lee Busby, LLNL, and William Magro, Cornell Theory |
Michael W. Hudson | 9a8c314 | 2005-03-30 10:09:12 +0000 | [diff] [blame] | 3 | * Center. The completer interface was inspired by Lele Gaifax. More |
| 4 | * recently, it was largely rewritten by Guido van Rossum. |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 7 | /* Standard definitions */ |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 8 | #include "Python.h" |
| 9 | #include <setjmp.h> |
| 10 | #include <signal.h> |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 11 | #include <errno.h> |
Michael W. Hudson | 8da2b01 | 2004-10-07 13:46:33 +0000 | [diff] [blame] | 12 | #include <sys/time.h> |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 13 | |
Skip Montanaro | 7befb99 | 2004-02-10 16:50:21 +0000 | [diff] [blame] | 14 | #if defined(HAVE_SETLOCALE) |
Guido van Rossum | 60c8a3a | 2002-10-09 21:27:33 +0000 | [diff] [blame] | 15 | /* GNU readline() mistakenly sets the LC_CTYPE locale. |
| 16 | * This is evil. Only the user or the app's main() should do this! |
| 17 | * We must save and restore the locale around the rl_initialize() call. |
| 18 | */ |
| 19 | #define SAVE_LOCALE |
| 20 | #include <locale.h> |
| 21 | #endif |
| 22 | |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 23 | #ifdef SAVE_LOCALE |
| 24 | # define RESTORE_LOCALE(sl) { setlocale(LC_CTYPE, sl); free(sl); } |
| 25 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 26 | # define RESTORE_LOCALE(sl) |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 27 | #endif |
| 28 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 29 | /* GNU readline definitions */ |
Guido van Rossum | b0e51b2 | 2001-04-13 18:14:27 +0000 | [diff] [blame] | 30 | #undef HAVE_CONFIG_H /* Else readline/chardefs.h includes strings.h */ |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 31 | #include <readline/readline.h> |
| 32 | #include <readline/history.h> |
Guido van Rossum | 730806d | 1998-04-10 22:27:42 +0000 | [diff] [blame] | 33 | |
Guido van Rossum | 353ae58 | 2001-07-10 16:45:32 +0000 | [diff] [blame] | 34 | #ifdef HAVE_RL_COMPLETION_MATCHES |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 35 | #define completion_matches(x, y) \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 36 | rl_completion_matches((x), ((rl_compentry_func_t *)(y))) |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 37 | #else |
Martin v. Löwis | b37509b | 2008-11-04 20:45:29 +0000 | [diff] [blame] | 38 | #if defined(_RL_FUNCTION_TYPEDEF) |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 39 | extern char **completion_matches(char *, rl_compentry_func_t *); |
Martin v. Löwis | b37509b | 2008-11-04 20:45:29 +0000 | [diff] [blame] | 40 | #else |
Ronald Oussoren | 25696bb | 2010-02-11 13:15:00 +0000 | [diff] [blame] | 41 | |
| 42 | #if !defined(__APPLE__) |
Martin v. Löwis | b37509b | 2008-11-04 20:45:29 +0000 | [diff] [blame] | 43 | extern char **completion_matches(char *, CPFunction *); |
| 44 | #endif |
Guido van Rossum | 353ae58 | 2001-07-10 16:45:32 +0000 | [diff] [blame] | 45 | #endif |
Ronald Oussoren | 25696bb | 2010-02-11 13:15:00 +0000 | [diff] [blame] | 46 | #endif |
Guido van Rossum | 353ae58 | 2001-07-10 16:45:32 +0000 | [diff] [blame] | 47 | |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 48 | #ifdef __APPLE__ |
| 49 | /* |
| 50 | * It is possible to link the readline module to the readline |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 51 | * emulation library of editline/libedit. |
| 52 | * |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 53 | * On OSX this emulation library is not 100% API compatible |
| 54 | * with the "real" readline and cannot be detected at compile-time, |
| 55 | * hence we use a runtime check to detect if we're using libedit |
| 56 | * |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 57 | * Currently there is one know API incompatibility: |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 58 | * - 'get_history' has a 1-based index with GNU readline, and a 0-based |
| 59 | * index with libedit's emulation. |
| 60 | * - Note that replace_history and remove_history use a 0-based index |
| 61 | * with both implementation. |
| 62 | */ |
| 63 | static int using_libedit_emulation = 0; |
| 64 | static const char libedit_version_tag[] = "EditLine wrapper"; |
| 65 | #endif /* __APPLE__ */ |
| 66 | |
Georg Brandl | 646fdd6 | 2010-10-18 07:27:55 +0000 | [diff] [blame] | 67 | #ifdef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 68 | static void |
| 69 | on_completion_display_matches_hook(char **matches, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 70 | int num_matches, int max_length); |
Georg Brandl | 646fdd6 | 2010-10-18 07:27:55 +0000 | [diff] [blame] | 71 | #endif |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 72 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 73 | /* Exported function to send one line to readline's init file parser */ |
| 74 | |
| 75 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 76 | parse_and_bind(PyObject *self, PyObject *args) |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 77 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 78 | char *s, *copy; |
| 79 | if (!PyArg_ParseTuple(args, "s:parse_and_bind", &s)) |
| 80 | return NULL; |
| 81 | /* Make a copy -- rl_parse_and_bind() modifies its argument */ |
| 82 | /* Bernard Herzog */ |
| 83 | copy = malloc(1 + strlen(s)); |
| 84 | if (copy == NULL) |
| 85 | return PyErr_NoMemory(); |
| 86 | strcpy(copy, s); |
| 87 | rl_parse_and_bind(copy); |
| 88 | free(copy); /* Free the copy */ |
| 89 | Py_RETURN_NONE; |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 90 | } |
| 91 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 92 | PyDoc_STRVAR(doc_parse_and_bind, |
| 93 | "parse_and_bind(string) -> None\n\ |
| 94 | Parse and execute single line of a readline init file."); |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 95 | |
| 96 | |
| 97 | /* Exported function to parse a readline init file */ |
| 98 | |
| 99 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 100 | read_init_file(PyObject *self, PyObject *args) |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 101 | { |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 102 | PyObject *filename_obj = Py_None, *filename_bytes; |
| 103 | if (!PyArg_ParseTuple(args, "|O:read_init_file", &filename_obj)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 104 | return NULL; |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 105 | if (filename_obj != Py_None) { |
| 106 | if (!PyUnicode_FSConverter(filename_obj, &filename_bytes)) |
| 107 | return NULL; |
| 108 | errno = rl_read_init_file(PyBytes_AsString(filename_bytes)); |
| 109 | Py_DECREF(filename_bytes); |
| 110 | } else |
| 111 | errno = rl_read_init_file(NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 112 | if (errno) |
| 113 | return PyErr_SetFromErrno(PyExc_IOError); |
| 114 | Py_RETURN_NONE; |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 115 | } |
| 116 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 117 | PyDoc_STRVAR(doc_read_init_file, |
| 118 | "read_init_file([filename]) -> None\n\ |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 119 | Parse a readline initialization file.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 120 | The default filename is the last filename used."); |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 121 | |
| 122 | |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 123 | /* Exported function to load a readline history file */ |
| 124 | |
| 125 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 126 | read_history_file(PyObject *self, PyObject *args) |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 127 | { |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 128 | PyObject *filename_obj = Py_None, *filename_bytes; |
| 129 | if (!PyArg_ParseTuple(args, "|O:read_history_file", &filename_obj)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 130 | return NULL; |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 131 | if (filename_obj != Py_None) { |
| 132 | if (!PyUnicode_FSConverter(filename_obj, &filename_bytes)) |
| 133 | return NULL; |
| 134 | errno = read_history(PyBytes_AsString(filename_bytes)); |
| 135 | Py_DECREF(filename_bytes); |
| 136 | } else |
| 137 | errno = read_history(NULL); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 138 | if (errno) |
| 139 | return PyErr_SetFromErrno(PyExc_IOError); |
| 140 | Py_RETURN_NONE; |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 141 | } |
| 142 | |
Hye-Shik Chang | 7a8173a | 2004-11-25 04:04:20 +0000 | [diff] [blame] | 143 | static int _history_length = -1; /* do not truncate history by default */ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 144 | PyDoc_STRVAR(doc_read_history_file, |
| 145 | "read_history_file([filename]) -> None\n\ |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 146 | Load a readline history file.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 147 | The default filename is ~/.history."); |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 148 | |
| 149 | |
| 150 | /* Exported function to save a readline history file */ |
| 151 | |
| 152 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 153 | write_history_file(PyObject *self, PyObject *args) |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 154 | { |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 155 | PyObject *filename_obj = Py_None, *filename_bytes; |
| 156 | char *filename; |
| 157 | if (!PyArg_ParseTuple(args, "|O:write_history_file", &filename_obj)) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 158 | return NULL; |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 159 | if (filename_obj != Py_None) { |
| 160 | if (!PyUnicode_FSConverter(filename_obj, &filename_bytes)) |
| 161 | return NULL; |
| 162 | filename = PyBytes_AsString(filename_bytes); |
| 163 | } else { |
| 164 | filename_bytes = NULL; |
| 165 | filename = NULL; |
| 166 | } |
| 167 | errno = write_history(filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 168 | if (!errno && _history_length >= 0) |
Victor Stinner | 19e65a3 | 2010-06-11 22:27:14 +0000 | [diff] [blame] | 169 | history_truncate_file(filename, _history_length); |
| 170 | Py_XDECREF(filename_bytes); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 171 | if (errno) |
| 172 | return PyErr_SetFromErrno(PyExc_IOError); |
| 173 | Py_RETURN_NONE; |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 174 | } |
| 175 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 176 | PyDoc_STRVAR(doc_write_history_file, |
| 177 | "write_history_file([filename]) -> None\n\ |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 178 | Save a readline history file.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 179 | The default filename is ~/.history."); |
Skip Montanaro | 2806782 | 2000-07-06 18:55:12 +0000 | [diff] [blame] | 180 | |
| 181 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 182 | /* Set history length */ |
| 183 | |
| 184 | static PyObject* |
| 185 | set_history_length(PyObject *self, PyObject *args) |
| 186 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 187 | int length = _history_length; |
| 188 | if (!PyArg_ParseTuple(args, "i:set_history_length", &length)) |
| 189 | return NULL; |
| 190 | _history_length = length; |
| 191 | Py_RETURN_NONE; |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 192 | } |
| 193 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 194 | PyDoc_STRVAR(set_history_length_doc, |
| 195 | "set_history_length(length) -> None\n\ |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 196 | set the maximal number of items which will be written to\n\ |
| 197 | the history file. A negative length is used to inhibit\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 198 | history truncation."); |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 199 | |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 200 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 201 | /* Get history length */ |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 202 | |
| 203 | static PyObject* |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 204 | get_history_length(PyObject *self, PyObject *noarg) |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 205 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 206 | return PyLong_FromLong(_history_length); |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 207 | } |
| 208 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 209 | PyDoc_STRVAR(get_history_length_doc, |
| 210 | "get_history_length() -> int\n\ |
| 211 | return the maximum number of items that will be written to\n\ |
| 212 | the history file."); |
| 213 | |
| 214 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 215 | /* Generic hook function setter */ |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 216 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 217 | static PyObject * |
Michael W. Hudson | da6242c | 2005-03-30 11:21:53 +0000 | [diff] [blame] | 218 | set_hook(const char *funcname, PyObject **hook_var, PyObject *args) |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 219 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 220 | PyObject *function = Py_None; |
| 221 | char buf[80]; |
| 222 | PyOS_snprintf(buf, sizeof(buf), "|O:set_%.50s", funcname); |
| 223 | if (!PyArg_ParseTuple(args, buf, &function)) |
| 224 | return NULL; |
| 225 | if (function == Py_None) { |
| 226 | Py_XDECREF(*hook_var); |
| 227 | *hook_var = NULL; |
| 228 | } |
| 229 | else if (PyCallable_Check(function)) { |
| 230 | PyObject *tmp = *hook_var; |
| 231 | Py_INCREF(function); |
| 232 | *hook_var = function; |
| 233 | Py_XDECREF(tmp); |
| 234 | } |
| 235 | else { |
| 236 | PyOS_snprintf(buf, sizeof(buf), |
| 237 | "set_%.50s(func): argument not callable", |
| 238 | funcname); |
| 239 | PyErr_SetString(PyExc_TypeError, buf); |
| 240 | return NULL; |
| 241 | } |
| 242 | Py_RETURN_NONE; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 243 | } |
| 244 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 245 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 246 | /* Exported functions to specify hook functions in Python */ |
| 247 | |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 248 | static PyObject *completion_display_matches_hook = NULL; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 249 | static PyObject *startup_hook = NULL; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 250 | |
| 251 | #ifdef HAVE_RL_PRE_INPUT_HOOK |
| 252 | static PyObject *pre_input_hook = NULL; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 253 | #endif |
| 254 | |
| 255 | static PyObject * |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 256 | set_completion_display_matches_hook(PyObject *self, PyObject *args) |
| 257 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 258 | PyObject *result = set_hook("completion_display_matches_hook", |
| 259 | &completion_display_matches_hook, args); |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 260 | #ifdef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 261 | /* We cannot set this hook globally, since it replaces the |
| 262 | default completion display. */ |
| 263 | rl_completion_display_matches_hook = |
| 264 | completion_display_matches_hook ? |
Martin v. Löwis | b37509b | 2008-11-04 20:45:29 +0000 | [diff] [blame] | 265 | #if defined(_RL_FUNCTION_TYPEDEF) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 266 | (rl_compdisp_func_t *)on_completion_display_matches_hook : 0; |
Martin v. Löwis | b37509b | 2008-11-04 20:45:29 +0000 | [diff] [blame] | 267 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 268 | (VFunction *)on_completion_display_matches_hook : 0; |
Martin v. Löwis | b37509b | 2008-11-04 20:45:29 +0000 | [diff] [blame] | 269 | #endif |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 270 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 271 | return result; |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 272 | |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | PyDoc_STRVAR(doc_set_completion_display_matches_hook, |
| 276 | "set_completion_display_matches_hook([function]) -> None\n\ |
| 277 | Set or remove the completion display function.\n\ |
| 278 | The function is called as\n\ |
| 279 | function(substitution, [matches], longest_match_length)\n\ |
| 280 | once each time matches need to be displayed."); |
| 281 | |
| 282 | static PyObject * |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 283 | set_startup_hook(PyObject *self, PyObject *args) |
| 284 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 285 | return set_hook("startup_hook", &startup_hook, args); |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 286 | } |
| 287 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 288 | PyDoc_STRVAR(doc_set_startup_hook, |
| 289 | "set_startup_hook([function]) -> None\n\ |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 290 | Set or remove the startup_hook function.\n\ |
| 291 | The function is called with no arguments just\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 292 | before readline prints the first prompt."); |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 293 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 294 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 295 | #ifdef HAVE_RL_PRE_INPUT_HOOK |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 296 | |
| 297 | /* Set pre-input hook */ |
| 298 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 299 | static PyObject * |
| 300 | set_pre_input_hook(PyObject *self, PyObject *args) |
| 301 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 302 | return set_hook("pre_input_hook", &pre_input_hook, args); |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 303 | } |
| 304 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 305 | PyDoc_STRVAR(doc_set_pre_input_hook, |
| 306 | "set_pre_input_hook([function]) -> None\n\ |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 307 | Set or remove the pre_input_hook function.\n\ |
| 308 | The function is called with no arguments after the first prompt\n\ |
| 309 | has been printed and just before readline starts reading input\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 310 | characters."); |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 311 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 312 | #endif |
Skip Montanaro | 49bd24d | 2000-07-19 16:54:53 +0000 | [diff] [blame] | 313 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 314 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 315 | /* Exported function to specify a word completer in Python */ |
| 316 | |
| 317 | static PyObject *completer = NULL; |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 318 | |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 319 | static PyObject *begidx = NULL; |
| 320 | static PyObject *endidx = NULL; |
| 321 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 322 | |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 323 | /* Get the completion type for the scope of the tab-completion */ |
| 324 | static PyObject * |
| 325 | get_completion_type(PyObject *self, PyObject *noarg) |
| 326 | { |
Christian Heimes | 217cfd1 | 2007-12-02 14:31:20 +0000 | [diff] [blame] | 327 | return PyLong_FromLong(rl_completion_type); |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | PyDoc_STRVAR(doc_get_completion_type, |
| 331 | "get_completion_type() -> int\n\ |
| 332 | Get the type of completion being attempted."); |
| 333 | |
| 334 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 335 | /* Get the beginning index for the scope of the tab-completion */ |
| 336 | |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 337 | static PyObject * |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 338 | get_begidx(PyObject *self, PyObject *noarg) |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 339 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 340 | Py_INCREF(begidx); |
| 341 | return begidx; |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 342 | } |
| 343 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 344 | PyDoc_STRVAR(doc_get_begidx, |
| 345 | "get_begidx() -> int\n\ |
| 346 | get the beginning index of the readline tab-completion scope"); |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 347 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 348 | |
| 349 | /* Get the ending index for the scope of the tab-completion */ |
| 350 | |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 351 | static PyObject * |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 352 | get_endidx(PyObject *self, PyObject *noarg) |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 353 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 354 | Py_INCREF(endidx); |
| 355 | return endidx; |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 356 | } |
| 357 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 358 | PyDoc_STRVAR(doc_get_endidx, |
| 359 | "get_endidx() -> int\n\ |
| 360 | get the ending index of the readline tab-completion scope"); |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 361 | |
| 362 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 363 | /* Set the tab-completion word-delimiters that readline uses */ |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 364 | |
| 365 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 366 | set_completer_delims(PyObject *self, PyObject *args) |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 367 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 368 | char *break_chars; |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 369 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 370 | if(!PyArg_ParseTuple(args, "s:set_completer_delims", &break_chars)) { |
| 371 | return NULL; |
| 372 | } |
| 373 | free((void*)rl_completer_word_break_characters); |
| 374 | rl_completer_word_break_characters = strdup(break_chars); |
| 375 | Py_RETURN_NONE; |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 376 | } |
| 377 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 378 | PyDoc_STRVAR(doc_set_completer_delims, |
| 379 | "set_completer_delims(string) -> None\n\ |
| 380 | set the readline word delimiters for tab-completion"); |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 381 | |
Mark Dickinson | 29b238e | 2010-08-03 16:08:16 +0000 | [diff] [blame] | 382 | /* _py_free_history_entry: Utility function to free a history entry. */ |
| 383 | |
| 384 | #if defined(RL_READLINE_VERSION) && RL_READLINE_VERSION >= 0x0500 |
| 385 | |
| 386 | /* Readline version >= 5.0 introduced a timestamp field into the history entry |
| 387 | structure; this needs to be freed to avoid a memory leak. This version of |
| 388 | readline also introduced the handy 'free_history_entry' function, which |
| 389 | takes care of the timestamp. */ |
| 390 | |
| 391 | static void |
| 392 | _py_free_history_entry(HIST_ENTRY *entry) |
| 393 | { |
| 394 | histdata_t data = free_history_entry(entry); |
| 395 | free(data); |
| 396 | } |
| 397 | |
| 398 | #else |
| 399 | |
| 400 | /* No free_history_entry function; free everything manually. */ |
| 401 | |
| 402 | static void |
| 403 | _py_free_history_entry(HIST_ENTRY *entry) |
| 404 | { |
| 405 | if (entry->line) |
| 406 | free((void *)entry->line); |
| 407 | if (entry->data) |
| 408 | free(entry->data); |
| 409 | free(entry); |
| 410 | } |
| 411 | |
| 412 | #endif |
| 413 | |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 414 | static PyObject * |
| 415 | py_remove_history(PyObject *self, PyObject *args) |
| 416 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 417 | int entry_number; |
| 418 | HIST_ENTRY *entry; |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 419 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 420 | if (!PyArg_ParseTuple(args, "i:remove_history", &entry_number)) |
| 421 | return NULL; |
| 422 | if (entry_number < 0) { |
| 423 | PyErr_SetString(PyExc_ValueError, |
| 424 | "History index cannot be negative"); |
| 425 | return NULL; |
| 426 | } |
| 427 | entry = remove_history(entry_number); |
| 428 | if (!entry) { |
| 429 | PyErr_Format(PyExc_ValueError, |
| 430 | "No history item at position %d", |
| 431 | entry_number); |
| 432 | return NULL; |
| 433 | } |
| 434 | /* free memory allocated for the history entry */ |
Mark Dickinson | 29b238e | 2010-08-03 16:08:16 +0000 | [diff] [blame] | 435 | _py_free_history_entry(entry); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 436 | Py_RETURN_NONE; |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | PyDoc_STRVAR(doc_remove_history, |
Skip Montanaro | 6c06cd5 | 2004-08-16 16:15:13 +0000 | [diff] [blame] | 440 | "remove_history_item(pos) -> None\n\ |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 441 | remove history item given by its position"); |
| 442 | |
| 443 | static PyObject * |
| 444 | py_replace_history(PyObject *self, PyObject *args) |
| 445 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 446 | int entry_number; |
| 447 | char *line; |
| 448 | HIST_ENTRY *old_entry; |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 449 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 450 | if (!PyArg_ParseTuple(args, "is:replace_history", &entry_number, |
| 451 | &line)) { |
| 452 | return NULL; |
| 453 | } |
| 454 | if (entry_number < 0) { |
| 455 | PyErr_SetString(PyExc_ValueError, |
| 456 | "History index cannot be negative"); |
| 457 | return NULL; |
| 458 | } |
| 459 | old_entry = replace_history_entry(entry_number, line, (void *)NULL); |
| 460 | if (!old_entry) { |
| 461 | PyErr_Format(PyExc_ValueError, |
| 462 | "No history item at position %d", |
| 463 | entry_number); |
| 464 | return NULL; |
| 465 | } |
| 466 | /* free memory allocated for the old history entry */ |
Mark Dickinson | 29b238e | 2010-08-03 16:08:16 +0000 | [diff] [blame] | 467 | _py_free_history_entry(old_entry); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 468 | Py_RETURN_NONE; |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | PyDoc_STRVAR(doc_replace_history, |
Skip Montanaro | 6c06cd5 | 2004-08-16 16:15:13 +0000 | [diff] [blame] | 472 | "replace_history_item(pos, line) -> None\n\ |
Skip Montanaro | e506901 | 2004-08-15 14:32:06 +0000 | [diff] [blame] | 473 | replaces history item given by its position with contents of line"); |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 474 | |
| 475 | /* Add a line to the history buffer */ |
| 476 | |
Guido van Rossum | b6c1d52 | 2001-10-19 01:18:43 +0000 | [diff] [blame] | 477 | static PyObject * |
| 478 | py_add_history(PyObject *self, PyObject *args) |
| 479 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 480 | char *line; |
Guido van Rossum | b6c1d52 | 2001-10-19 01:18:43 +0000 | [diff] [blame] | 481 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 482 | if(!PyArg_ParseTuple(args, "s:add_history", &line)) { |
| 483 | return NULL; |
| 484 | } |
| 485 | add_history(line); |
| 486 | Py_RETURN_NONE; |
Guido van Rossum | b6c1d52 | 2001-10-19 01:18:43 +0000 | [diff] [blame] | 487 | } |
| 488 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 489 | PyDoc_STRVAR(doc_add_history, |
| 490 | "add_history(string) -> None\n\ |
| 491 | add a line to the history buffer"); |
Guido van Rossum | b6c1d52 | 2001-10-19 01:18:43 +0000 | [diff] [blame] | 492 | |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 493 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 494 | /* Get the tab-completion word-delimiters that readline uses */ |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 495 | |
| 496 | static PyObject * |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 497 | get_completer_delims(PyObject *self, PyObject *noarg) |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 498 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 499 | return PyUnicode_FromString(rl_completer_word_break_characters); |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 500 | } |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 501 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 502 | PyDoc_STRVAR(doc_get_completer_delims, |
| 503 | "get_completer_delims() -> string\n\ |
| 504 | get the readline word delimiters for tab-completion"); |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 505 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 506 | |
| 507 | /* Set the completer function */ |
| 508 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 509 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 510 | set_completer(PyObject *self, PyObject *args) |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 511 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 512 | return set_hook("completer", &completer, args); |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 513 | } |
| 514 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 515 | PyDoc_STRVAR(doc_set_completer, |
| 516 | "set_completer([function]) -> None\n\ |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 517 | Set or remove the completer function.\n\ |
| 518 | The function is called as function(text, state),\n\ |
Fred Drake | 52d55a3 | 2001-08-01 21:44:14 +0000 | [diff] [blame] | 519 | for state in 0, 1, 2, ..., until it returns a non-string.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 520 | It should return the next possible completion starting with 'text'."); |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 521 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 522 | |
Michael W. Hudson | 796df15 | 2003-01-30 10:12:51 +0000 | [diff] [blame] | 523 | static PyObject * |
Neal Norwitz | d9efdc5 | 2003-03-01 15:19:41 +0000 | [diff] [blame] | 524 | get_completer(PyObject *self, PyObject *noargs) |
Michael W. Hudson | 796df15 | 2003-01-30 10:12:51 +0000 | [diff] [blame] | 525 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 526 | if (completer == NULL) { |
| 527 | Py_RETURN_NONE; |
| 528 | } |
| 529 | Py_INCREF(completer); |
| 530 | return completer; |
Michael W. Hudson | 796df15 | 2003-01-30 10:12:51 +0000 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | PyDoc_STRVAR(doc_get_completer, |
| 534 | "get_completer() -> function\n\ |
| 535 | \n\ |
| 536 | Returns current completer function."); |
| 537 | |
Mark Dickinson | 6b54e1f | 2010-08-03 16:49:49 +0000 | [diff] [blame] | 538 | /* Private function to get current length of history. XXX It may be |
| 539 | * possible to replace this with a direct use of history_length instead, |
| 540 | * but it's not clear whether BSD's libedit keeps history_length up to date. |
| 541 | * See issue #8065.*/ |
| 542 | |
| 543 | static int |
| 544 | _py_get_history_length(void) |
| 545 | { |
| 546 | HISTORY_STATE *hist_st = history_get_history_state(); |
| 547 | int length = hist_st->length; |
| 548 | /* the history docs don't say so, but the address of hist_st changes each |
| 549 | time history_get_history_state is called which makes me think it's |
| 550 | freshly malloc'd memory... on the other hand, the address of the last |
| 551 | line stays the same as long as history isn't extended, so it appears to |
| 552 | be malloc'd but managed by the history package... */ |
| 553 | free(hist_st); |
| 554 | return length; |
| 555 | } |
| 556 | |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 557 | /* Exported function to get any element of history */ |
| 558 | |
| 559 | static PyObject * |
| 560 | get_history_item(PyObject *self, PyObject *args) |
| 561 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 562 | int idx = 0; |
| 563 | HIST_ENTRY *hist_ent; |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 564 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 565 | if (!PyArg_ParseTuple(args, "i:index", &idx)) |
| 566 | return NULL; |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 567 | #ifdef __APPLE__ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 568 | if (using_libedit_emulation) { |
| 569 | /* Libedit emulation uses 0-based indexes, |
| 570 | * the real one uses 1-based indexes, |
| 571 | * adjust the index to ensure that Python |
| 572 | * code doesn't have to worry about the |
| 573 | * difference. |
| 574 | */ |
Mark Dickinson | 6b54e1f | 2010-08-03 16:49:49 +0000 | [diff] [blame] | 575 | int length = _py_get_history_length(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 576 | idx --; |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 577 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 578 | /* |
| 579 | * Apple's readline emulation crashes when |
| 580 | * the index is out of range, therefore |
| 581 | * test for that and fail gracefully. |
| 582 | */ |
Mark Dickinson | 6b54e1f | 2010-08-03 16:49:49 +0000 | [diff] [blame] | 583 | if (idx < 0 || idx >= length) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 584 | Py_RETURN_NONE; |
| 585 | } |
| 586 | } |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 587 | #endif /* __APPLE__ */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 588 | if ((hist_ent = history_get(idx))) |
| 589 | return PyUnicode_FromString(hist_ent->line); |
| 590 | else { |
| 591 | Py_RETURN_NONE; |
| 592 | } |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 593 | } |
| 594 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 595 | PyDoc_STRVAR(doc_get_history_item, |
| 596 | "get_history_item() -> string\n\ |
| 597 | return the current contents of history item at index."); |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 598 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 599 | |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 600 | /* Exported function to get current length of history */ |
| 601 | |
| 602 | static PyObject * |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 603 | get_current_history_length(PyObject *self, PyObject *noarg) |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 604 | { |
Mark Dickinson | 6b54e1f | 2010-08-03 16:49:49 +0000 | [diff] [blame] | 605 | return PyLong_FromLong((long)_py_get_history_length()); |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 606 | } |
| 607 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 608 | PyDoc_STRVAR(doc_get_current_history_length, |
| 609 | "get_current_history_length() -> integer\n\ |
| 610 | return the current (not the maximum) length of history."); |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 611 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 612 | |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 613 | /* Exported function to read the current line buffer */ |
| 614 | |
| 615 | static PyObject * |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 616 | get_line_buffer(PyObject *self, PyObject *noarg) |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 617 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 618 | return PyUnicode_FromString(rl_line_buffer); |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 619 | } |
| 620 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 621 | PyDoc_STRVAR(doc_get_line_buffer, |
| 622 | "get_line_buffer() -> string\n\ |
| 623 | return the current contents of the line buffer."); |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 624 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 625 | |
Martin v. Löwis | e7a9796 | 2003-09-20 16:08:33 +0000 | [diff] [blame] | 626 | #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER |
| 627 | |
| 628 | /* Exported function to clear the current history */ |
| 629 | |
| 630 | static PyObject * |
| 631 | py_clear_history(PyObject *self, PyObject *noarg) |
| 632 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 633 | clear_history(); |
| 634 | Py_RETURN_NONE; |
Martin v. Löwis | e7a9796 | 2003-09-20 16:08:33 +0000 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | PyDoc_STRVAR(doc_clear_history, |
| 638 | "clear_history() -> None\n\ |
| 639 | Clear the current readline history."); |
| 640 | #endif |
| 641 | |
| 642 | |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 643 | /* Exported function to insert text into the line buffer */ |
| 644 | |
| 645 | static PyObject * |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 646 | insert_text(PyObject *self, PyObject *args) |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 647 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 648 | char *s; |
| 649 | if (!PyArg_ParseTuple(args, "s:insert_text", &s)) |
| 650 | return NULL; |
| 651 | rl_insert_text(s); |
| 652 | Py_RETURN_NONE; |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 653 | } |
| 654 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 655 | PyDoc_STRVAR(doc_insert_text, |
| 656 | "insert_text(string) -> None\n\ |
| 657 | Insert text into the command line."); |
Guido van Rossum | 79378ff | 1997-10-07 14:53:21 +0000 | [diff] [blame] | 658 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 659 | |
| 660 | /* Redisplay the line buffer */ |
| 661 | |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 662 | static PyObject * |
Michael W. Hudson | 0e986a3 | 2003-01-30 14:17:16 +0000 | [diff] [blame] | 663 | redisplay(PyObject *self, PyObject *noarg) |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 664 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 665 | rl_redisplay(); |
| 666 | Py_RETURN_NONE; |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 667 | } |
| 668 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 669 | PyDoc_STRVAR(doc_redisplay, |
| 670 | "redisplay() -> None\n\ |
Neil Schemenauer | 0f75e0d | 2002-03-24 01:09:04 +0000 | [diff] [blame] | 671 | Change what's displayed on the screen to reflect the current\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 672 | contents of the line buffer."); |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 673 | |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 674 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 675 | /* Table of functions exported by the module */ |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 676 | |
| 677 | static struct PyMethodDef readline_methods[] = |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 678 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 679 | {"parse_and_bind", parse_and_bind, METH_VARARGS, doc_parse_and_bind}, |
| 680 | {"get_line_buffer", get_line_buffer, METH_NOARGS, doc_get_line_buffer}, |
| 681 | {"insert_text", insert_text, METH_VARARGS, doc_insert_text}, |
| 682 | {"redisplay", redisplay, METH_NOARGS, doc_redisplay}, |
| 683 | {"read_init_file", read_init_file, METH_VARARGS, doc_read_init_file}, |
| 684 | {"read_history_file", read_history_file, |
| 685 | METH_VARARGS, doc_read_history_file}, |
| 686 | {"write_history_file", write_history_file, |
| 687 | METH_VARARGS, doc_write_history_file}, |
| 688 | {"get_history_item", get_history_item, |
| 689 | METH_VARARGS, doc_get_history_item}, |
| 690 | {"get_current_history_length", (PyCFunction)get_current_history_length, |
| 691 | METH_NOARGS, doc_get_current_history_length}, |
| 692 | {"set_history_length", set_history_length, |
| 693 | METH_VARARGS, set_history_length_doc}, |
| 694 | {"get_history_length", get_history_length, |
| 695 | METH_NOARGS, get_history_length_doc}, |
| 696 | {"set_completer", set_completer, METH_VARARGS, doc_set_completer}, |
| 697 | {"get_completer", get_completer, METH_NOARGS, doc_get_completer}, |
| 698 | {"get_completion_type", get_completion_type, |
| 699 | METH_NOARGS, doc_get_completion_type}, |
| 700 | {"get_begidx", get_begidx, METH_NOARGS, doc_get_begidx}, |
| 701 | {"get_endidx", get_endidx, METH_NOARGS, doc_get_endidx}, |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 702 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 703 | {"set_completer_delims", set_completer_delims, |
| 704 | METH_VARARGS, doc_set_completer_delims}, |
| 705 | {"add_history", py_add_history, METH_VARARGS, doc_add_history}, |
| 706 | {"remove_history_item", py_remove_history, METH_VARARGS, doc_remove_history}, |
| 707 | {"replace_history_item", py_replace_history, METH_VARARGS, doc_replace_history}, |
| 708 | {"get_completer_delims", get_completer_delims, |
| 709 | METH_NOARGS, doc_get_completer_delims}, |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 710 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 711 | {"set_completion_display_matches_hook", set_completion_display_matches_hook, |
| 712 | METH_VARARGS, doc_set_completion_display_matches_hook}, |
| 713 | {"set_startup_hook", set_startup_hook, |
| 714 | METH_VARARGS, doc_set_startup_hook}, |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 715 | #ifdef HAVE_RL_PRE_INPUT_HOOK |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 716 | {"set_pre_input_hook", set_pre_input_hook, |
| 717 | METH_VARARGS, doc_set_pre_input_hook}, |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 718 | #endif |
Martin v. Löwis | e7a9796 | 2003-09-20 16:08:33 +0000 | [diff] [blame] | 719 | #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 720 | {"clear_history", py_clear_history, METH_NOARGS, doc_clear_history}, |
Martin v. Löwis | e7a9796 | 2003-09-20 16:08:33 +0000 | [diff] [blame] | 721 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 722 | {0, 0} |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 723 | }; |
| 724 | |
Guido van Rossum | 05ac449 | 2003-01-07 20:04:12 +0000 | [diff] [blame] | 725 | |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 726 | /* C function to call the Python hooks. */ |
| 727 | |
| 728 | static int |
Michael W. Hudson | da6242c | 2005-03-30 11:21:53 +0000 | [diff] [blame] | 729 | on_hook(PyObject *func) |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 730 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 731 | int result = 0; |
| 732 | if (func != NULL) { |
| 733 | PyObject *r; |
Guido van Rossum | 3d392eb | 2007-11-16 00:35:22 +0000 | [diff] [blame] | 734 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 735 | PyGILState_STATE gilstate = PyGILState_Ensure(); |
Michael W. Hudson | da6242c | 2005-03-30 11:21:53 +0000 | [diff] [blame] | 736 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 737 | r = PyObject_CallFunction(func, NULL); |
| 738 | if (r == NULL) |
| 739 | goto error; |
| 740 | if (r == Py_None) |
| 741 | result = 0; |
| 742 | else { |
| 743 | result = PyLong_AsLong(r); |
| 744 | if (result == -1 && PyErr_Occurred()) |
| 745 | goto error; |
| 746 | } |
| 747 | Py_DECREF(r); |
| 748 | goto done; |
| 749 | error: |
| 750 | PyErr_Clear(); |
| 751 | Py_XDECREF(r); |
| 752 | done: |
Guido van Rossum | 3d392eb | 2007-11-16 00:35:22 +0000 | [diff] [blame] | 753 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 754 | PyGILState_Release(gilstate); |
Michael W. Hudson | da6242c | 2005-03-30 11:21:53 +0000 | [diff] [blame] | 755 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 756 | return result; |
| 757 | } |
| 758 | return result; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | static int |
| 762 | on_startup_hook(void) |
| 763 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 764 | return on_hook(startup_hook); |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 765 | } |
| 766 | |
| 767 | #ifdef HAVE_RL_PRE_INPUT_HOOK |
| 768 | static int |
| 769 | on_pre_input_hook(void) |
| 770 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 771 | return on_hook(pre_input_hook); |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 772 | } |
| 773 | #endif |
| 774 | |
Guido van Rossum | 05ac449 | 2003-01-07 20:04:12 +0000 | [diff] [blame] | 775 | |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 776 | /* C function to call the Python completion_display_matches */ |
| 777 | |
Georg Brandl | 646fdd6 | 2010-10-18 07:27:55 +0000 | [diff] [blame] | 778 | #ifdef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 779 | static void |
| 780 | on_completion_display_matches_hook(char **matches, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 781 | int num_matches, int max_length) |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 782 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 783 | int i; |
| 784 | PyObject *m=NULL, *s=NULL, *r=NULL; |
Christian Heimes | aec75c3 | 2007-11-11 22:42:36 +0000 | [diff] [blame] | 785 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 786 | PyGILState_STATE gilstate = PyGILState_Ensure(); |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 787 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 788 | m = PyList_New(num_matches); |
| 789 | if (m == NULL) |
| 790 | goto error; |
| 791 | for (i = 0; i < num_matches; i++) { |
| 792 | s = PyUnicode_FromString(matches[i+1]); |
| 793 | if (s == NULL) |
| 794 | goto error; |
| 795 | if (PyList_SetItem(m, i, s) == -1) |
| 796 | goto error; |
| 797 | } |
| 798 | r = PyObject_CallFunction(completion_display_matches_hook, |
| 799 | "sOi", matches[0], m, max_length); |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 800 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 801 | Py_DECREF(m); m=NULL; |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 802 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 803 | if (r == NULL || |
| 804 | (r != Py_None && PyLong_AsLong(r) == -1 && PyErr_Occurred())) { |
| 805 | goto error; |
| 806 | } |
| 807 | Py_XDECREF(r); r=NULL; |
| 808 | |
| 809 | if (0) { |
| 810 | error: |
| 811 | PyErr_Clear(); |
| 812 | Py_XDECREF(m); |
| 813 | Py_XDECREF(r); |
| 814 | } |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 815 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 816 | PyGILState_Release(gilstate); |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 817 | #endif |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 818 | } |
| 819 | |
Senthil Kumaran | 95c0700 | 2010-11-04 03:51:05 +0000 | [diff] [blame] | 820 | #endif |
Thomas Wouters | 89d996e | 2007-09-08 17:39:28 +0000 | [diff] [blame] | 821 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 822 | /* C function to call the Python completer. */ |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 823 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 824 | static char * |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 825 | on_completion(const char *text, int state) |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 826 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 827 | char *result = NULL; |
| 828 | if (completer != NULL) { |
| 829 | PyObject *r; |
Christian Heimes | aec75c3 | 2007-11-11 22:42:36 +0000 | [diff] [blame] | 830 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 831 | PyGILState_STATE gilstate = PyGILState_Ensure(); |
Michael W. Hudson | da6242c | 2005-03-30 11:21:53 +0000 | [diff] [blame] | 832 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 833 | rl_attempted_completion_over = 1; |
| 834 | r = PyObject_CallFunction(completer, "si", text, state); |
| 835 | if (r == NULL) |
| 836 | goto error; |
| 837 | if (r == Py_None) { |
| 838 | result = NULL; |
| 839 | } |
| 840 | else { |
| 841 | char *s = _PyUnicode_AsString(r); |
| 842 | if (s == NULL) |
| 843 | goto error; |
| 844 | result = strdup(s); |
| 845 | } |
| 846 | Py_DECREF(r); |
| 847 | goto done; |
| 848 | error: |
| 849 | PyErr_Clear(); |
| 850 | Py_XDECREF(r); |
| 851 | done: |
Christian Heimes | aec75c3 | 2007-11-11 22:42:36 +0000 | [diff] [blame] | 852 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 853 | PyGILState_Release(gilstate); |
Michael W. Hudson | da6242c | 2005-03-30 11:21:53 +0000 | [diff] [blame] | 854 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 855 | return result; |
| 856 | } |
| 857 | return result; |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 858 | } |
| 859 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 860 | |
Guido van Rossum | 6d0d365 | 2003-01-07 20:34:19 +0000 | [diff] [blame] | 861 | /* A more flexible constructor that saves the "begidx" and "endidx" |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 862 | * before calling the normal completer */ |
| 863 | |
Neal Norwitz | c355f0c | 2003-02-21 00:30:18 +0000 | [diff] [blame] | 864 | static char ** |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 865 | flex_complete(char *text, int start, int end) |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 866 | { |
Antoine Pitrou | dc0900b | 2009-10-19 18:22:37 +0000 | [diff] [blame] | 867 | #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 868 | rl_completion_append_character ='\0'; |
Antoine Pitrou | d513177 | 2009-10-26 19:22:14 +0000 | [diff] [blame] | 869 | #endif |
| 870 | #ifdef HAVE_RL_COMPLETION_SUPPRESS_APPEND |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 871 | rl_completion_suppress_append = 0; |
Antoine Pitrou | dc0900b | 2009-10-19 18:22:37 +0000 | [diff] [blame] | 872 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 873 | Py_XDECREF(begidx); |
| 874 | Py_XDECREF(endidx); |
| 875 | begidx = PyLong_FromLong((long) start); |
| 876 | endidx = PyLong_FromLong((long) end); |
| 877 | return completion_matches(text, *on_completion); |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 878 | } |
| 879 | |
Guido van Rossum | 05ac449 | 2003-01-07 20:04:12 +0000 | [diff] [blame] | 880 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 881 | /* Helper to initialize GNU readline properly. */ |
| 882 | |
| 883 | static void |
Thomas Wouters | f3f33dc | 2000-07-21 06:00:07 +0000 | [diff] [blame] | 884 | setup_readline(void) |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 885 | { |
Guido van Rossum | 60c8a3a | 2002-10-09 21:27:33 +0000 | [diff] [blame] | 886 | #ifdef SAVE_LOCALE |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 887 | char *saved_locale = strdup(setlocale(LC_CTYPE, NULL)); |
| 888 | if (!saved_locale) |
| 889 | Py_FatalError("not enough memory to save locale"); |
Guido van Rossum | 60c8a3a | 2002-10-09 21:27:33 +0000 | [diff] [blame] | 890 | #endif |
| 891 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 892 | using_history(); |
Skip Montanaro | a039274 | 2002-06-11 14:32:46 +0000 | [diff] [blame] | 893 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 894 | rl_readline_name = "python"; |
Andrew MacIntyre | 7bf6833 | 2002-03-03 02:59:16 +0000 | [diff] [blame] | 895 | #if defined(PYOS_OS2) && defined(PYCC_GCC) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 896 | /* Allow $if term= in .inputrc to work */ |
| 897 | rl_terminal_name = getenv("TERM"); |
Andrew MacIntyre | 7bf6833 | 2002-03-03 02:59:16 +0000 | [diff] [blame] | 898 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 899 | /* Force rebind of TAB to insert-tab */ |
| 900 | rl_bind_key('\t', rl_insert); |
| 901 | /* Bind both ESC-TAB and ESC-ESC to the completion function */ |
| 902 | rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap); |
| 903 | rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap); |
| 904 | /* Set our hook functions */ |
| 905 | rl_startup_hook = (Function *)on_startup_hook; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 906 | #ifdef HAVE_RL_PRE_INPUT_HOOK |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 907 | rl_pre_input_hook = (Function *)on_pre_input_hook; |
Martin v. Löwis | 0daad59 | 2001-09-30 21:09:59 +0000 | [diff] [blame] | 908 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 909 | /* Set our completion function */ |
| 910 | rl_attempted_completion_function = (CPPFunction *)flex_complete; |
| 911 | /* Set Python word break characters */ |
| 912 | rl_completer_word_break_characters = |
| 913 | strdup(" \t\n`~!@#$%^&*()-=+[{]}\\|;:'\",<>/?"); |
| 914 | /* All nonalphanums except '.' */ |
Guido van Rossum | b960e7a | 1999-11-18 17:51:02 +0000 | [diff] [blame] | 915 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 916 | begidx = PyLong_FromLong(0L); |
| 917 | endidx = PyLong_FromLong(0L); |
| 918 | /* Initialize (allows .inputrc to override) |
| 919 | * |
| 920 | * XXX: A bug in the readline-2.2 library causes a memory leak |
| 921 | * inside this function. Nothing we can do about it. |
| 922 | */ |
| 923 | rl_initialize(); |
Guido van Rossum | 60c8a3a | 2002-10-09 21:27:33 +0000 | [diff] [blame] | 924 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 925 | RESTORE_LOCALE(saved_locale) |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 926 | } |
| 927 | |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 928 | /* Wrapper around GNU readline that handles signals differently. */ |
| 929 | |
| 930 | |
| 931 | #if defined(HAVE_RL_CALLBACK) && defined(HAVE_SELECT) |
| 932 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 933 | static char *completed_input_string; |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 934 | static void |
| 935 | rlhandler(char *text) |
| 936 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 937 | completed_input_string = text; |
| 938 | rl_callback_handler_remove(); |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 939 | } |
| 940 | |
| 941 | extern PyThreadState* _PyOS_ReadlineTState; |
| 942 | |
| 943 | static char * |
| 944 | readline_until_enter_or_signal(char *prompt, int *signal) |
| 945 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 946 | char * not_done_reading = ""; |
| 947 | fd_set selectset; |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 948 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 949 | *signal = 0; |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 950 | #ifdef HAVE_RL_CATCH_SIGNAL |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 951 | rl_catch_signals = 0; |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 952 | #endif |
| 953 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 954 | rl_callback_handler_install (prompt, rlhandler); |
| 955 | FD_ZERO(&selectset); |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 956 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 957 | completed_input_string = not_done_reading; |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 958 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 959 | while (completed_input_string == not_done_reading) { |
| 960 | int has_input = 0; |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 961 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 962 | while (!has_input) |
| 963 | { struct timeval timeout = {0, 100000}; /* 0.1 seconds */ |
Michael W. Hudson | 8da2b01 | 2004-10-07 13:46:33 +0000 | [diff] [blame] | 964 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 965 | /* [Bug #1552726] Only limit the pause if an input hook has been |
| 966 | defined. */ |
| 967 | struct timeval *timeoutp = NULL; |
| 968 | if (PyOS_InputHook) |
| 969 | timeoutp = &timeout; |
| 970 | FD_SET(fileno(rl_instream), &selectset); |
| 971 | /* select resets selectset if no input was available */ |
| 972 | has_input = select(fileno(rl_instream) + 1, &selectset, |
| 973 | NULL, NULL, timeoutp); |
| 974 | if(PyOS_InputHook) PyOS_InputHook(); |
| 975 | } |
| 976 | |
| 977 | if(has_input > 0) { |
| 978 | rl_callback_read_char(); |
| 979 | } |
| 980 | else if (errno == EINTR) { |
| 981 | int s; |
Michael W. Hudson | e3afc59 | 2005-04-07 10:11:19 +0000 | [diff] [blame] | 982 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 983 | PyEval_RestoreThread(_PyOS_ReadlineTState); |
Michael W. Hudson | e3afc59 | 2005-04-07 10:11:19 +0000 | [diff] [blame] | 984 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 985 | s = PyErr_CheckSignals(); |
Michael W. Hudson | e3afc59 | 2005-04-07 10:11:19 +0000 | [diff] [blame] | 986 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 987 | PyEval_SaveThread(); |
Michael W. Hudson | e3afc59 | 2005-04-07 10:11:19 +0000 | [diff] [blame] | 988 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 989 | if (s < 0) { |
| 990 | rl_free_line_state(); |
| 991 | rl_cleanup_after_signal(); |
| 992 | rl_callback_handler_remove(); |
| 993 | *signal = 1; |
| 994 | completed_input_string = NULL; |
| 995 | } |
| 996 | } |
| 997 | } |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 998 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 999 | return completed_input_string; |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | |
| 1003 | #else |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1004 | |
| 1005 | /* Interrupt handler */ |
| 1006 | |
| 1007 | static jmp_buf jbuf; |
| 1008 | |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1009 | /* ARGSUSED */ |
Tim Peters | 4f1b208 | 2000-07-23 21:18:09 +0000 | [diff] [blame] | 1010 | static void |
Peter Schneider-Kamp | a788a7f | 2000-07-10 09:57:19 +0000 | [diff] [blame] | 1011 | onintr(int sig) |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1012 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1013 | longjmp(jbuf, 1); |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1014 | } |
| 1015 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1016 | |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1017 | static char * |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 1018 | readline_until_enter_or_signal(char *prompt, int *signal) |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1019 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1020 | PyOS_sighandler_t old_inthandler; |
| 1021 | char *p; |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 1022 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1023 | *signal = 0; |
| 1024 | |
| 1025 | old_inthandler = PyOS_setsig(SIGINT, onintr); |
| 1026 | if (setjmp(jbuf)) { |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1027 | #ifdef HAVE_SIGRELSE |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1028 | /* This seems necessary on SunOS 4.1 (Rasmus Hahn) */ |
| 1029 | sigrelse(SIGINT); |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1030 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1031 | PyOS_setsig(SIGINT, old_inthandler); |
| 1032 | *signal = 1; |
| 1033 | return NULL; |
| 1034 | } |
| 1035 | rl_event_hook = PyOS_InputHook; |
| 1036 | p = readline(prompt); |
| 1037 | PyOS_setsig(SIGINT, old_inthandler); |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 1038 | |
| 1039 | return p; |
| 1040 | } |
| 1041 | #endif /*defined(HAVE_RL_CALLBACK) && defined(HAVE_SELECT) */ |
| 1042 | |
| 1043 | |
| 1044 | static char * |
| 1045 | call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt) |
| 1046 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1047 | size_t n; |
| 1048 | char *p, *q; |
| 1049 | int signal; |
Neal Norwitz | 1fa040b | 2004-08-25 01:20:18 +0000 | [diff] [blame] | 1050 | |
Martin v. Löwis | 78a8acc | 2004-08-18 13:34:00 +0000 | [diff] [blame] | 1051 | #ifdef SAVE_LOCALE |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1052 | char *saved_locale = strdup(setlocale(LC_CTYPE, NULL)); |
| 1053 | if (!saved_locale) |
| 1054 | Py_FatalError("not enough memory to save locale"); |
| 1055 | setlocale(LC_CTYPE, ""); |
Martin v. Löwis | 78a8acc | 2004-08-18 13:34:00 +0000 | [diff] [blame] | 1056 | #endif |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 1057 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1058 | if (sys_stdin != rl_instream || sys_stdout != rl_outstream) { |
| 1059 | rl_instream = sys_stdin; |
| 1060 | rl_outstream = sys_stdout; |
Guido van Rossum | faf5e4d | 2002-12-30 16:25:41 +0000 | [diff] [blame] | 1061 | #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1062 | rl_prep_terminal (1); |
Guido van Rossum | faf5e4d | 2002-12-30 16:25:41 +0000 | [diff] [blame] | 1063 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1064 | } |
Guido van Rossum | 74f3143 | 2003-01-07 20:01:29 +0000 | [diff] [blame] | 1065 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1066 | p = readline_until_enter_or_signal(prompt, &signal); |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 1067 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1068 | /* we got an interrupt signal */ |
| 1069 | if (signal) { |
| 1070 | RESTORE_LOCALE(saved_locale) |
| 1071 | return NULL; |
| 1072 | } |
Michael W. Hudson | 30ea2f2 | 2004-07-07 17:44:12 +0000 | [diff] [blame] | 1073 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1074 | /* We got an EOF, return a empty string. */ |
| 1075 | if (p == NULL) { |
| 1076 | p = PyMem_Malloc(1); |
| 1077 | if (p != NULL) |
| 1078 | *p = '\0'; |
| 1079 | RESTORE_LOCALE(saved_locale) |
| 1080 | return p; |
| 1081 | } |
| 1082 | |
| 1083 | /* we have a valid line */ |
| 1084 | n = strlen(p); |
| 1085 | if (n > 0) { |
Brett Cannon | 2525dc8 | 2010-08-22 20:36:25 +0000 | [diff] [blame] | 1086 | const char *line; |
Mark Dickinson | 6b54e1f | 2010-08-03 16:49:49 +0000 | [diff] [blame] | 1087 | int length = _py_get_history_length(); |
| 1088 | if (length > 0) |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1089 | #ifdef __APPLE__ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1090 | if (using_libedit_emulation) { |
| 1091 | /* |
| 1092 | * Libedit's emulation uses 0-based indexes, |
| 1093 | * the real readline uses 1-based indexes. |
| 1094 | */ |
Brett Cannon | 2525dc8 | 2010-08-22 20:36:25 +0000 | [diff] [blame] | 1095 | line = (const char *)history_get(length - 1)->line; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1096 | } else |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1097 | #endif /* __APPLE__ */ |
Brett Cannon | 2525dc8 | 2010-08-22 20:36:25 +0000 | [diff] [blame] | 1098 | line = (const char *)history_get(length)->line; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1099 | else |
| 1100 | line = ""; |
| 1101 | if (strcmp(p, line)) |
| 1102 | add_history(p); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1103 | } |
| 1104 | /* Copy the malloc'ed buffer into a PyMem_Malloc'ed one and |
| 1105 | release the original. */ |
| 1106 | q = p; |
| 1107 | p = PyMem_Malloc(n+2); |
| 1108 | if (p != NULL) { |
| 1109 | strncpy(p, q, n); |
| 1110 | p[n] = '\n'; |
| 1111 | p[n+1] = '\0'; |
| 1112 | } |
| 1113 | free(q); |
| 1114 | RESTORE_LOCALE(saved_locale) |
| 1115 | return p; |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1116 | } |
| 1117 | |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1118 | |
| 1119 | /* Initialize the module */ |
| 1120 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 1121 | PyDoc_STRVAR(doc_module, |
| 1122 | "Importing this module enables command line editing using GNU readline."); |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1123 | |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1124 | #ifdef __APPLE__ |
| 1125 | PyDoc_STRVAR(doc_module_le, |
| 1126 | "Importing this module enables command line editing using libedit readline."); |
| 1127 | #endif /* __APPLE__ */ |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1128 | |
| 1129 | static struct PyModuleDef readlinemodule = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1130 | PyModuleDef_HEAD_INIT, |
| 1131 | "readline", |
| 1132 | doc_module, |
| 1133 | -1, |
| 1134 | readline_methods, |
| 1135 | NULL, |
| 1136 | NULL, |
| 1137 | NULL, |
| 1138 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1139 | }; |
| 1140 | |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1141 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 1142 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1143 | PyInit_readline(void) |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1144 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1145 | PyObject *m; |
Guido van Rossum | 290900a | 1997-09-26 21:51:21 +0000 | [diff] [blame] | 1146 | |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1147 | #ifdef __APPLE__ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1148 | if (strncmp(rl_library_version, libedit_version_tag, strlen(libedit_version_tag)) == 0) { |
| 1149 | using_libedit_emulation = 1; |
| 1150 | } |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1151 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1152 | if (using_libedit_emulation) |
| 1153 | readlinemodule.m_doc = doc_module_le; |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1154 | |
| 1155 | #endif /* __APPLE__ */ |
| 1156 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1157 | m = PyModule_Create(&readlinemodule); |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1158 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1159 | if (m == NULL) |
| 1160 | return NULL; |
Martin v. Löwis | 566f6af | 2002-10-26 14:39:10 +0000 | [diff] [blame] | 1161 | |
Ronald Oussoren | 2efd924 | 2009-09-20 14:53:22 +0000 | [diff] [blame] | 1162 | |
| 1163 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1164 | PyOS_ReadlineFunctionPointer = call_readline; |
| 1165 | setup_readline(); |
| 1166 | return m; |
Guido van Rossum | 0969d36 | 1997-08-05 21:27:50 +0000 | [diff] [blame] | 1167 | } |