Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 2 | /* Module definition and import implementation */ |
| 3 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 4 | #include "Python.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 5 | |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 6 | #include "Python-ast.h" |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 7 | #undef Yield /* undefine macro conflicting with winbase.h */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 8 | #include "errcode.h" |
Guido van Rossum | c405b7b | 1991-06-04 19:39:42 +0000 | [diff] [blame] | 9 | #include "marshal.h" |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 10 | #include "code.h" |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 11 | #include "frameobject.h" |
Guido van Rossum | d8bac6d | 1992-02-26 15:19:13 +0000 | [diff] [blame] | 12 | #include "osdefs.h" |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 13 | #include "importdl.h" |
Guido van Rossum | c405b7b | 1991-06-04 19:39:42 +0000 | [diff] [blame] | 14 | |
Guido van Rossum | 55a8338 | 2000-09-20 20:31:38 +0000 | [diff] [blame] | 15 | #ifdef HAVE_FCNTL_H |
| 16 | #include <fcntl.h> |
| 17 | #endif |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 18 | #ifdef __cplusplus |
Brett Cannon | 9a5b25a | 2010-03-01 02:09:17 +0000 | [diff] [blame] | 19 | extern "C" { |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 20 | #endif |
Guido van Rossum | 55a8338 | 2000-09-20 20:31:38 +0000 | [diff] [blame] | 21 | |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 22 | #define CACHEDIR "__pycache__" |
Guido van Rossum | 96774c1 | 2000-05-01 20:19:08 +0000 | [diff] [blame] | 23 | |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 24 | /* See _PyImport_FixupExtensionObject() below */ |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 25 | static PyObject *extensions = NULL; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 26 | |
Guido van Rossum | 771c6c8 | 1997-10-31 18:37:24 +0000 | [diff] [blame] | 27 | /* This table is defined in config.c: */ |
| 28 | extern struct _inittab _PyImport_Inittab[]; |
| 29 | |
| 30 | struct _inittab *PyImport_Inittab = _PyImport_Inittab; |
Guido van Rossum | 66f1fa8 | 1991-04-03 19:03:52 +0000 | [diff] [blame] | 31 | |
Victor Stinner | d029621 | 2011-03-14 14:04:10 -0400 | [diff] [blame] | 32 | static PyObject *initstr = NULL; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 33 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 34 | /*[clinic input] |
| 35 | module _imp |
| 36 | [clinic start generated code]*/ |
Larry Hastings | 581ee36 | 2014-01-28 05:00:08 -0800 | [diff] [blame] | 37 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=9c332475d8686284]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 38 | |
| 39 | /*[python input] |
| 40 | class fs_unicode_converter(CConverter): |
| 41 | type = 'PyObject *' |
| 42 | converter = 'PyUnicode_FSDecoder' |
| 43 | |
| 44 | [python start generated code]*/ |
Larry Hastings | 581ee36 | 2014-01-28 05:00:08 -0800 | [diff] [blame] | 45 | /*[python end generated code: output=da39a3ee5e6b4b0d input=9d6786230166006e]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 46 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 47 | /* Initialize things */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 48 | |
| 49 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 50 | _PyImport_Init(void) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 51 | { |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 52 | PyInterpreterState *interp = PyThreadState_Get()->interp; |
Victor Stinner | d029621 | 2011-03-14 14:04:10 -0400 | [diff] [blame] | 53 | initstr = PyUnicode_InternFromString("__init__"); |
| 54 | if (initstr == NULL) |
| 55 | Py_FatalError("Can't initialize import variables"); |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 56 | interp->builtins_copy = PyDict_Copy(interp->builtins); |
| 57 | if (interp->builtins_copy == NULL) |
| 58 | Py_FatalError("Can't backup builtins dict"); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 59 | } |
| 60 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 61 | void |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 62 | _PyImportHooks_Init(void) |
| 63 | { |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 64 | PyObject *v, *path_hooks = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 65 | int err = 0; |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 66 | |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 67 | /* adding sys.path_hooks and sys.path_importer_cache */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 68 | v = PyList_New(0); |
| 69 | if (v == NULL) |
| 70 | goto error; |
| 71 | err = PySys_SetObject("meta_path", v); |
| 72 | Py_DECREF(v); |
| 73 | if (err) |
| 74 | goto error; |
| 75 | v = PyDict_New(); |
| 76 | if (v == NULL) |
| 77 | goto error; |
| 78 | err = PySys_SetObject("path_importer_cache", v); |
| 79 | Py_DECREF(v); |
| 80 | if (err) |
| 81 | goto error; |
| 82 | path_hooks = PyList_New(0); |
| 83 | if (path_hooks == NULL) |
| 84 | goto error; |
| 85 | err = PySys_SetObject("path_hooks", path_hooks); |
| 86 | if (err) { |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 87 | error: |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 88 | PyErr_Print(); |
| 89 | Py_FatalError("initializing sys.meta_path, sys.path_hooks, " |
Nadeem Vawda | 8f46d65 | 2012-05-05 12:27:30 +0200 | [diff] [blame] | 90 | "or path_importer_cache failed"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 91 | } |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 92 | Py_DECREF(path_hooks); |
| 93 | } |
| 94 | |
| 95 | void |
| 96 | _PyImportZip_Init(void) |
| 97 | { |
| 98 | PyObject *path_hooks, *zimpimport; |
| 99 | int err = 0; |
| 100 | |
| 101 | path_hooks = PySys_GetObject("path_hooks"); |
Victor Stinner | 1e53bba | 2013-07-16 22:26:05 +0200 | [diff] [blame] | 102 | if (path_hooks == NULL) { |
| 103 | PyErr_SetString(PyExc_RuntimeError, "unable to get sys.path_hooks"); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 104 | goto error; |
Victor Stinner | 1e53bba | 2013-07-16 22:26:05 +0200 | [diff] [blame] | 105 | } |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 106 | |
| 107 | if (Py_VerboseFlag) |
| 108 | PySys_WriteStderr("# installing zipimport hook\n"); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 109 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 110 | zimpimport = PyImport_ImportModule("zipimport"); |
| 111 | if (zimpimport == NULL) { |
| 112 | PyErr_Clear(); /* No zip import module -- okay */ |
| 113 | if (Py_VerboseFlag) |
| 114 | PySys_WriteStderr("# can't import zipimport\n"); |
| 115 | } |
| 116 | else { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 117 | _Py_IDENTIFIER(zipimporter); |
Martin v. Löwis | 1ee1b6f | 2011-10-10 18:11:30 +0200 | [diff] [blame] | 118 | PyObject *zipimporter = _PyObject_GetAttrId(zimpimport, |
| 119 | &PyId_zipimporter); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 120 | Py_DECREF(zimpimport); |
| 121 | if (zipimporter == NULL) { |
| 122 | PyErr_Clear(); /* No zipimporter object -- okay */ |
| 123 | if (Py_VerboseFlag) |
| 124 | PySys_WriteStderr( |
| 125 | "# can't import zipimport.zipimporter\n"); |
| 126 | } |
| 127 | else { |
Brett Cannon | 8923a4d | 2012-04-24 22:03:46 -0400 | [diff] [blame] | 128 | /* sys.path_hooks.insert(0, zipimporter) */ |
| 129 | err = PyList_Insert(path_hooks, 0, zipimporter); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 130 | Py_DECREF(zipimporter); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 131 | if (err < 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 132 | goto error; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 133 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 134 | if (Py_VerboseFlag) |
| 135 | PySys_WriteStderr( |
| 136 | "# installed zipimport hook\n"); |
| 137 | } |
| 138 | } |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 139 | |
| 140 | return; |
| 141 | |
| 142 | error: |
| 143 | PyErr_Print(); |
Brett Cannon | acf85cd | 2012-04-29 12:50:03 -0400 | [diff] [blame] | 144 | Py_FatalError("initializing zipimport failed"); |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 145 | } |
| 146 | |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 147 | /* Locking primitives to prevent parallel imports of the same module |
| 148 | in different threads to return with a partially loaded module. |
| 149 | These calls are serialized by the global interpreter lock. */ |
| 150 | |
| 151 | #ifdef WITH_THREAD |
| 152 | |
Guido van Rossum | 49b5606 | 1998-10-01 20:42:43 +0000 | [diff] [blame] | 153 | #include "pythread.h" |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 154 | |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 155 | static PyThread_type_lock import_lock = 0; |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 156 | static long import_lock_thread = -1; |
| 157 | static int import_lock_level = 0; |
| 158 | |
Benjamin Peterson | 0df35a9 | 2009-10-04 20:32:25 +0000 | [diff] [blame] | 159 | void |
| 160 | _PyImport_AcquireLock(void) |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 161 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 162 | long me = PyThread_get_thread_ident(); |
| 163 | if (me == -1) |
| 164 | return; /* Too bad */ |
| 165 | if (import_lock == NULL) { |
| 166 | import_lock = PyThread_allocate_lock(); |
| 167 | if (import_lock == NULL) |
| 168 | return; /* Nothing much we can do. */ |
| 169 | } |
| 170 | if (import_lock_thread == me) { |
| 171 | import_lock_level++; |
| 172 | return; |
| 173 | } |
| 174 | if (import_lock_thread != -1 || !PyThread_acquire_lock(import_lock, 0)) |
| 175 | { |
| 176 | PyThreadState *tstate = PyEval_SaveThread(); |
| 177 | PyThread_acquire_lock(import_lock, 1); |
| 178 | PyEval_RestoreThread(tstate); |
| 179 | } |
Antoine Pitrou | 202b606 | 2012-12-18 22:18:17 +0100 | [diff] [blame] | 180 | assert(import_lock_level == 0); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 181 | import_lock_thread = me; |
| 182 | import_lock_level = 1; |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Benjamin Peterson | 0df35a9 | 2009-10-04 20:32:25 +0000 | [diff] [blame] | 185 | int |
| 186 | _PyImport_ReleaseLock(void) |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 187 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 188 | long me = PyThread_get_thread_ident(); |
| 189 | if (me == -1 || import_lock == NULL) |
| 190 | return 0; /* Too bad */ |
| 191 | if (import_lock_thread != me) |
| 192 | return -1; |
| 193 | import_lock_level--; |
Antoine Pitrou | 202b606 | 2012-12-18 22:18:17 +0100 | [diff] [blame] | 194 | assert(import_lock_level >= 0); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 195 | if (import_lock_level == 0) { |
| 196 | import_lock_thread = -1; |
| 197 | PyThread_release_lock(import_lock); |
| 198 | } |
| 199 | return 1; |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 200 | } |
| 201 | |
Gregory P. Smith | 24cec9f | 2010-03-01 06:18:41 +0000 | [diff] [blame] | 202 | /* This function is called from PyOS_AfterFork to ensure that newly |
| 203 | created child processes do not share locks with the parent. |
| 204 | We now acquire the import lock around fork() calls but on some platforms |
| 205 | (Solaris 9 and earlier? see isue7242) that still left us with problems. */ |
Guido van Rossum | 8ee3e5a | 2005-09-14 18:09:42 +0000 | [diff] [blame] | 206 | |
| 207 | void |
| 208 | _PyImport_ReInitLock(void) |
| 209 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 210 | if (import_lock != NULL) |
| 211 | import_lock = PyThread_allocate_lock(); |
Nick Coghlan | b2ddf79 | 2010-12-02 04:11:46 +0000 | [diff] [blame] | 212 | if (import_lock_level > 1) { |
| 213 | /* Forked as a side effect of import */ |
| 214 | long me = PyThread_get_thread_ident(); |
Brett Cannon | e4710cf | 2012-11-15 21:39:36 -0500 | [diff] [blame] | 215 | /* The following could fail if the lock is already held, but forking as |
| 216 | a side-effect of an import is a) rare, b) nuts, and c) difficult to |
| 217 | do thanks to the lock only being held when doing individual module |
| 218 | locks per import. */ |
| 219 | PyThread_acquire_lock(import_lock, NOWAIT_LOCK); |
Nick Coghlan | b2ddf79 | 2010-12-02 04:11:46 +0000 | [diff] [blame] | 220 | import_lock_thread = me; |
| 221 | import_lock_level--; |
| 222 | } else { |
| 223 | import_lock_thread = -1; |
| 224 | import_lock_level = 0; |
| 225 | } |
Guido van Rossum | 8ee3e5a | 2005-09-14 18:09:42 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 228 | #endif |
| 229 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 230 | /*[clinic input] |
| 231 | _imp.lock_held |
| 232 | |
| 233 | Return True if the import lock is currently held, else False. |
| 234 | |
| 235 | On platforms without threads, return False. |
| 236 | [clinic start generated code]*/ |
| 237 | |
| 238 | PyDoc_STRVAR(_imp_lock_held__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 239 | "lock_held($module, /)\n" |
| 240 | "--\n" |
| 241 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 242 | "Return True if the import lock is currently held, else False.\n" |
| 243 | "\n" |
| 244 | "On platforms without threads, return False."); |
| 245 | |
| 246 | #define _IMP_LOCK_HELD_METHODDEF \ |
| 247 | {"lock_held", (PyCFunction)_imp_lock_held, METH_NOARGS, _imp_lock_held__doc__}, |
| 248 | |
Tim Peters | 6923234 | 2001-08-30 05:16:13 +0000 | [diff] [blame] | 249 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 250 | _imp_lock_held_impl(PyModuleDef *module); |
| 251 | |
| 252 | static PyObject * |
| 253 | _imp_lock_held(PyModuleDef *module, PyObject *Py_UNUSED(ignored)) |
| 254 | { |
Larry Hastings | bebf735 | 2014-01-17 17:47:17 -0800 | [diff] [blame] | 255 | return _imp_lock_held_impl(module); |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | static PyObject * |
| 259 | _imp_lock_held_impl(PyModuleDef *module) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 260 | /*[clinic end generated code: output=dae65674966baa65 input=9b088f9b217d9bdf]*/ |
Tim Peters | 6923234 | 2001-08-30 05:16:13 +0000 | [diff] [blame] | 261 | { |
Tim Peters | 6923234 | 2001-08-30 05:16:13 +0000 | [diff] [blame] | 262 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 263 | return PyBool_FromLong(import_lock_thread != -1); |
Tim Peters | 6923234 | 2001-08-30 05:16:13 +0000 | [diff] [blame] | 264 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 265 | return PyBool_FromLong(0); |
Tim Peters | 6923234 | 2001-08-30 05:16:13 +0000 | [diff] [blame] | 266 | #endif |
| 267 | } |
| 268 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 269 | /*[clinic input] |
| 270 | _imp.acquire_lock |
| 271 | |
| 272 | Acquires the interpreter's import lock for the current thread. |
| 273 | |
| 274 | This lock should be used by import hooks to ensure thread-safety when importing |
| 275 | modules. On platforms without threads, this function does nothing. |
| 276 | [clinic start generated code]*/ |
| 277 | |
| 278 | PyDoc_STRVAR(_imp_acquire_lock__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 279 | "acquire_lock($module, /)\n" |
| 280 | "--\n" |
| 281 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 282 | "Acquires the interpreter\'s import lock for the current thread.\n" |
| 283 | "\n" |
| 284 | "This lock should be used by import hooks to ensure thread-safety when importing\n" |
| 285 | "modules. On platforms without threads, this function does nothing."); |
| 286 | |
| 287 | #define _IMP_ACQUIRE_LOCK_METHODDEF \ |
| 288 | {"acquire_lock", (PyCFunction)_imp_acquire_lock, METH_NOARGS, _imp_acquire_lock__doc__}, |
| 289 | |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 290 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 291 | _imp_acquire_lock_impl(PyModuleDef *module); |
| 292 | |
| 293 | static PyObject * |
| 294 | _imp_acquire_lock(PyModuleDef *module, PyObject *Py_UNUSED(ignored)) |
| 295 | { |
Larry Hastings | bebf735 | 2014-01-17 17:47:17 -0800 | [diff] [blame] | 296 | return _imp_acquire_lock_impl(module); |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | static PyObject * |
| 300 | _imp_acquire_lock_impl(PyModuleDef *module) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 301 | /*[clinic end generated code: output=478f1fa089fdb9a4 input=4a2d4381866d5fdc]*/ |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 302 | { |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 303 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 304 | _PyImport_AcquireLock(); |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 305 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 306 | Py_INCREF(Py_None); |
| 307 | return Py_None; |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 308 | } |
| 309 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 310 | /*[clinic input] |
| 311 | _imp.release_lock |
| 312 | |
| 313 | Release the interpreter's import lock. |
| 314 | |
| 315 | On platforms without threads, this function does nothing. |
| 316 | [clinic start generated code]*/ |
| 317 | |
| 318 | PyDoc_STRVAR(_imp_release_lock__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 319 | "release_lock($module, /)\n" |
| 320 | "--\n" |
| 321 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 322 | "Release the interpreter\'s import lock.\n" |
| 323 | "\n" |
| 324 | "On platforms without threads, this function does nothing."); |
| 325 | |
| 326 | #define _IMP_RELEASE_LOCK_METHODDEF \ |
| 327 | {"release_lock", (PyCFunction)_imp_release_lock, METH_NOARGS, _imp_release_lock__doc__}, |
| 328 | |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 329 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 330 | _imp_release_lock_impl(PyModuleDef *module); |
| 331 | |
| 332 | static PyObject * |
| 333 | _imp_release_lock(PyModuleDef *module, PyObject *Py_UNUSED(ignored)) |
| 334 | { |
Larry Hastings | bebf735 | 2014-01-17 17:47:17 -0800 | [diff] [blame] | 335 | return _imp_release_lock_impl(module); |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | static PyObject * |
| 339 | _imp_release_lock_impl(PyModuleDef *module) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 340 | /*[clinic end generated code: output=36c77a6832fdafd4 input=934fb11516dd778b]*/ |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 341 | { |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 342 | #ifdef WITH_THREAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 343 | if (_PyImport_ReleaseLock() < 0) { |
| 344 | PyErr_SetString(PyExc_RuntimeError, |
| 345 | "not holding the import lock"); |
| 346 | return NULL; |
| 347 | } |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 348 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 349 | Py_INCREF(Py_None); |
| 350 | return Py_None; |
Guido van Rossum | c4f4ca9 | 2003-02-12 21:46:11 +0000 | [diff] [blame] | 351 | } |
| 352 | |
Antoine Pitrou | 8db076c | 2011-10-30 19:13:55 +0100 | [diff] [blame] | 353 | void |
| 354 | _PyImport_Fini(void) |
| 355 | { |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 356 | Py_CLEAR(extensions); |
Antoine Pitrou | 8db076c | 2011-10-30 19:13:55 +0100 | [diff] [blame] | 357 | #ifdef WITH_THREAD |
| 358 | if (import_lock != NULL) { |
| 359 | PyThread_free_lock(import_lock); |
| 360 | import_lock = NULL; |
| 361 | } |
| 362 | #endif |
| 363 | } |
| 364 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 365 | /* Helper for sys */ |
| 366 | |
| 367 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 368 | PyImport_GetModuleDict(void) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 369 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 370 | PyInterpreterState *interp = PyThreadState_GET()->interp; |
| 371 | if (interp->modules == NULL) |
| 372 | Py_FatalError("PyImport_GetModuleDict: no module dictionary!"); |
| 373 | return interp->modules; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 374 | } |
| 375 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 376 | |
Guido van Rossum | a0fec2b | 1998-02-06 17:16:02 +0000 | [diff] [blame] | 377 | /* List of names to clear in sys */ |
| 378 | static char* sys_deletes[] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 379 | "path", "argv", "ps1", "ps2", |
| 380 | "last_type", "last_value", "last_traceback", |
| 381 | "path_hooks", "path_importer_cache", "meta_path", |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 382 | "__interactivehook__", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 383 | /* misc stuff */ |
| 384 | "flags", "float_info", |
| 385 | NULL |
Guido van Rossum | a0fec2b | 1998-02-06 17:16:02 +0000 | [diff] [blame] | 386 | }; |
| 387 | |
Guido van Rossum | 05f9dce | 1998-02-19 20:58:44 +0000 | [diff] [blame] | 388 | static char* sys_files[] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 389 | "stdin", "__stdin__", |
| 390 | "stdout", "__stdout__", |
| 391 | "stderr", "__stderr__", |
| 392 | NULL |
Guido van Rossum | 05f9dce | 1998-02-19 20:58:44 +0000 | [diff] [blame] | 393 | }; |
| 394 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 395 | /* Un-initialize things, as good as we can */ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 396 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 397 | void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 398 | PyImport_Cleanup(void) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 399 | { |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 400 | Py_ssize_t pos; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 401 | PyObject *key, *value, *dict; |
| 402 | PyInterpreterState *interp = PyThreadState_GET()->interp; |
| 403 | PyObject *modules = interp->modules; |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 404 | PyObject *weaklist = NULL; |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 405 | char **p; |
Guido van Rossum | 758eec0 | 1998-01-19 21:58:26 +0000 | [diff] [blame] | 406 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 407 | if (modules == NULL) |
| 408 | return; /* Already done */ |
Guido van Rossum | 758eec0 | 1998-01-19 21:58:26 +0000 | [diff] [blame] | 409 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 410 | /* Delete some special variables first. These are common |
| 411 | places where user values hide and people complain when their |
| 412 | destructors fail. Since the modules containing them are |
| 413 | deleted *last* of all, they would come too late in the normal |
| 414 | destruction order. Sigh. */ |
Guido van Rossum | a0fec2b | 1998-02-06 17:16:02 +0000 | [diff] [blame] | 415 | |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 416 | /* XXX Perhaps these precautions are obsolete. Who knows? */ |
| 417 | |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 418 | if (Py_VerboseFlag) |
| 419 | PySys_WriteStderr("# clear builtins._\n"); |
| 420 | PyDict_SetItemString(interp->builtins, "_", Py_None); |
| 421 | |
| 422 | for (p = sys_deletes; *p != NULL; p++) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 423 | if (Py_VerboseFlag) |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 424 | PySys_WriteStderr("# clear sys.%s\n", *p); |
| 425 | PyDict_SetItemString(interp->sysdict, *p, Py_None); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 426 | } |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 427 | for (p = sys_files; *p != NULL; p+=2) { |
| 428 | if (Py_VerboseFlag) |
| 429 | PySys_WriteStderr("# restore sys.%s\n", *p); |
| 430 | value = PyDict_GetItemString(interp->sysdict, *(p+1)); |
| 431 | if (value == NULL) |
| 432 | value = Py_None; |
| 433 | PyDict_SetItemString(interp->sysdict, *p, value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 434 | } |
Guido van Rossum | 05f9dce | 1998-02-19 20:58:44 +0000 | [diff] [blame] | 435 | |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 436 | /* We prepare a list which will receive (name, weakref) tuples of |
| 437 | modules when they are removed from sys.modules. The name is used |
| 438 | for diagnosis messages (in verbose mode), while the weakref helps |
| 439 | detect those modules which have been held alive. */ |
| 440 | weaklist = PyList_New(0); |
Antoine Pitrou | 79ba388 | 2013-08-06 22:50:15 +0200 | [diff] [blame] | 441 | if (weaklist == NULL) |
| 442 | PyErr_Clear(); |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 443 | |
Antoine Pitrou | 79ba388 | 2013-08-06 22:50:15 +0200 | [diff] [blame] | 444 | #define STORE_MODULE_WEAKREF(name, mod) \ |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 445 | if (weaklist != NULL) { \ |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 446 | PyObject *wr = PyWeakref_NewRef(mod, NULL); \ |
| 447 | if (name && wr) { \ |
| 448 | PyObject *tup = PyTuple_Pack(2, name, wr); \ |
| 449 | PyList_Append(weaklist, tup); \ |
| 450 | Py_XDECREF(tup); \ |
| 451 | } \ |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 452 | Py_XDECREF(wr); \ |
| 453 | if (PyErr_Occurred()) \ |
| 454 | PyErr_Clear(); \ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 455 | } |
Guido van Rossum | a0fec2b | 1998-02-06 17:16:02 +0000 | [diff] [blame] | 456 | |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 457 | /* Remove all modules from sys.modules, hoping that garbage collection |
| 458 | can reclaim most of them. */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 459 | pos = 0; |
| 460 | while (PyDict_Next(modules, &pos, &key, &value)) { |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 461 | if (PyModule_Check(value)) { |
| 462 | if (Py_VerboseFlag && PyUnicode_Check(key)) |
| 463 | PySys_FormatStderr("# cleanup[2] removing %U\n", key, value); |
Antoine Pitrou | 79ba388 | 2013-08-06 22:50:15 +0200 | [diff] [blame] | 464 | STORE_MODULE_WEAKREF(key, value); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 465 | PyDict_SetItem(modules, key, Py_None); |
| 466 | } |
| 467 | } |
Guido van Rossum | 758eec0 | 1998-01-19 21:58:26 +0000 | [diff] [blame] | 468 | |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 469 | /* Clear the modules dict. */ |
| 470 | PyDict_Clear(modules); |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 471 | /* Restore the original builtins dict, to ensure that any |
| 472 | user data gets cleared. */ |
| 473 | dict = PyDict_Copy(interp->builtins); |
| 474 | if (dict == NULL) |
| 475 | PyErr_Clear(); |
| 476 | PyDict_Clear(interp->builtins); |
| 477 | if (PyDict_Update(interp->builtins, interp->builtins_copy)) |
| 478 | PyErr_Clear(); |
| 479 | Py_XDECREF(dict); |
Antoine Pitrou | 40322e6 | 2013-08-11 00:30:09 +0200 | [diff] [blame] | 480 | /* Clear module dict copies stored in the interpreter state */ |
| 481 | _PyState_ClearModules(); |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 482 | /* Collect references */ |
| 483 | _PyGC_CollectNoFail(); |
Antoine Pitrou | 5f454a0 | 2013-05-06 21:15:57 +0200 | [diff] [blame] | 484 | /* Dump GC stats before it's too late, since it uses the warnings |
| 485 | machinery. */ |
| 486 | _PyGC_DumpShutdownStats(); |
| 487 | |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 488 | /* Now, if there are any modules left alive, clear their globals to |
| 489 | minimize potential leaks. All C extension modules actually end |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 490 | up here, since they are kept alive in the interpreter state. |
| 491 | |
| 492 | The special treatment of "builtins" here is because even |
| 493 | when it's not referenced as a module, its dictionary is |
| 494 | referenced by almost every module's __builtins__. Since |
| 495 | deleting a module clears its dictionary (even if there are |
| 496 | references left to it), we need to delete the "builtins" |
| 497 | module last. Likewise, we don't delete sys until the very |
| 498 | end because it is implicitly referenced (e.g. by print). */ |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 499 | if (weaklist != NULL) { |
| 500 | Py_ssize_t i, n; |
| 501 | n = PyList_GET_SIZE(weaklist); |
| 502 | for (i = 0; i < n; i++) { |
| 503 | PyObject *tup = PyList_GET_ITEM(weaklist, i); |
Antoine Pitrou | 79ba388 | 2013-08-06 22:50:15 +0200 | [diff] [blame] | 504 | PyObject *name = PyTuple_GET_ITEM(tup, 0); |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 505 | PyObject *mod = PyWeakref_GET_OBJECT(PyTuple_GET_ITEM(tup, 1)); |
| 506 | if (mod == Py_None) |
| 507 | continue; |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 508 | assert(PyModule_Check(mod)); |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 509 | dict = PyModule_GetDict(mod); |
| 510 | if (dict == interp->builtins || dict == interp->sysdict) |
| 511 | continue; |
| 512 | Py_INCREF(mod); |
Antoine Pitrou | 79ba388 | 2013-08-06 22:50:15 +0200 | [diff] [blame] | 513 | if (Py_VerboseFlag && PyUnicode_Check(name)) |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 514 | PySys_FormatStderr("# cleanup[3] wiping %U\n", name); |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 515 | _PyModule_Clear(mod); |
| 516 | Py_DECREF(mod); |
Antoine Pitrou | 070cb3c | 2013-05-08 13:23:25 +0200 | [diff] [blame] | 517 | } |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 518 | Py_DECREF(weaklist); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 519 | } |
Guido van Rossum | 758eec0 | 1998-01-19 21:58:26 +0000 | [diff] [blame] | 520 | |
Serhiy Storchaka | 013bb91 | 2014-02-10 18:21:34 +0200 | [diff] [blame] | 521 | /* Next, delete sys and builtins (in that order) */ |
| 522 | if (Py_VerboseFlag) |
| 523 | PySys_FormatStderr("# cleanup[3] wiping sys\n"); |
| 524 | _PyModule_ClearDict(interp->sysdict); |
| 525 | if (Py_VerboseFlag) |
| 526 | PySys_FormatStderr("# cleanup[3] wiping builtins\n"); |
| 527 | _PyModule_ClearDict(interp->builtins); |
| 528 | |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 529 | /* Clear and delete the modules directory. Actual modules will |
| 530 | still be there only if imported during the execution of some |
| 531 | destructor. */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 532 | interp->modules = NULL; |
| 533 | Py_DECREF(modules); |
Antoine Pitrou | dcedaf6 | 2013-07-31 23:14:08 +0200 | [diff] [blame] | 534 | |
| 535 | /* Once more */ |
| 536 | _PyGC_CollectNoFail(); |
| 537 | |
| 538 | #undef STORE_MODULE_WEAKREF |
Guido van Rossum | 8d15b5d | 1990-10-26 14:58:58 +0000 | [diff] [blame] | 539 | } |
Guido van Rossum | 7f133ed | 1991-02-19 12:23:57 +0000 | [diff] [blame] | 540 | |
| 541 | |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 542 | /* Helper for pythonrun.c -- return magic number and tag. */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 543 | |
| 544 | long |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 545 | PyImport_GetMagicNumber(void) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 546 | { |
Antoine Pitrou | 44b4b6a | 2012-07-10 18:27:54 +0200 | [diff] [blame] | 547 | long res; |
Brett Cannon | 77b2abd | 2012-07-09 16:09:00 -0400 | [diff] [blame] | 548 | PyInterpreterState *interp = PyThreadState_Get()->interp; |
| 549 | PyObject *pyc_magic = PyObject_GetAttrString(interp->importlib, |
| 550 | "_RAW_MAGIC_NUMBER"); |
| 551 | if (pyc_magic == NULL) |
| 552 | return -1; |
Antoine Pitrou | 44b4b6a | 2012-07-10 18:27:54 +0200 | [diff] [blame] | 553 | res = PyLong_AsLong(pyc_magic); |
Benjamin Peterson | 66f3659 | 2012-07-09 22:21:55 -0700 | [diff] [blame] | 554 | Py_DECREF(pyc_magic); |
| 555 | return res; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | |
Brett Cannon | 3adc7b7 | 2012-07-09 14:22:12 -0400 | [diff] [blame] | 559 | extern const char * _PySys_ImplCacheTag; |
| 560 | |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 561 | const char * |
| 562 | PyImport_GetMagicTag(void) |
| 563 | { |
Brett Cannon | 3adc7b7 | 2012-07-09 14:22:12 -0400 | [diff] [blame] | 564 | return _PySys_ImplCacheTag; |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 565 | } |
| 566 | |
Brett Cannon | 98979b8 | 2012-07-02 15:13:11 -0400 | [diff] [blame] | 567 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 568 | /* Magic for extension modules (built-in as well as dynamically |
| 569 | loaded). To prevent initializing an extension module more than |
Andrew Svetlov | 6b2cbeb | 2012-12-14 17:04:59 +0200 | [diff] [blame] | 570 | once, we keep a static dictionary 'extensions' keyed by the tuple |
| 571 | (module name, module name) (for built-in modules) or by |
| 572 | (filename, module name) (for dynamically loaded modules), containing these |
| 573 | modules. A copy of the module's dictionary is stored by calling |
| 574 | _PyImport_FixupExtensionObject() immediately after the module initialization |
| 575 | function succeeds. A copy can be retrieved from there by calling |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 576 | _PyImport_FindExtensionObject(). |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 577 | |
Barry Warsaw | 7c9627b | 2010-06-17 18:38:20 +0000 | [diff] [blame] | 578 | Modules which do support multiple initialization set their m_size |
| 579 | field to a non-negative number (indicating the size of the |
| 580 | module-specific state). They are still recorded in the extensions |
| 581 | dictionary, to avoid loading shared libraries twice. |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 582 | */ |
| 583 | |
| 584 | int |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 585 | _PyImport_FixupExtensionObject(PyObject *mod, PyObject *name, |
| 586 | PyObject *filename) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 587 | { |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 588 | PyObject *modules, *dict, *key; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 589 | struct PyModuleDef *def; |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 590 | int res; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 591 | if (extensions == NULL) { |
| 592 | extensions = PyDict_New(); |
| 593 | if (extensions == NULL) |
| 594 | return -1; |
| 595 | } |
| 596 | if (mod == NULL || !PyModule_Check(mod)) { |
| 597 | PyErr_BadInternalCall(); |
| 598 | return -1; |
| 599 | } |
| 600 | def = PyModule_GetDef(mod); |
| 601 | if (!def) { |
| 602 | PyErr_BadInternalCall(); |
| 603 | return -1; |
| 604 | } |
| 605 | modules = PyImport_GetModuleDict(); |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 606 | if (PyDict_SetItem(modules, name, mod) < 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 607 | return -1; |
| 608 | if (_PyState_AddModule(mod, def) < 0) { |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 609 | PyDict_DelItem(modules, name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 610 | return -1; |
| 611 | } |
| 612 | if (def->m_size == -1) { |
| 613 | if (def->m_base.m_copy) { |
| 614 | /* Somebody already imported the module, |
| 615 | likely under a different name. |
| 616 | XXX this should really not happen. */ |
Serhiy Storchaka | 505ff75 | 2014-02-09 13:33:53 +0200 | [diff] [blame] | 617 | Py_CLEAR(def->m_base.m_copy); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 618 | } |
| 619 | dict = PyModule_GetDict(mod); |
| 620 | if (dict == NULL) |
| 621 | return -1; |
| 622 | def->m_base.m_copy = PyDict_Copy(dict); |
| 623 | if (def->m_base.m_copy == NULL) |
| 624 | return -1; |
| 625 | } |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 626 | key = PyTuple_Pack(2, filename, name); |
| 627 | if (key == NULL) |
Andrew Svetlov | 6b2cbeb | 2012-12-14 17:04:59 +0200 | [diff] [blame] | 628 | return -1; |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 629 | res = PyDict_SetItem(extensions, key, (PyObject *)def); |
| 630 | Py_DECREF(key); |
| 631 | if (res < 0) |
Andrew Svetlov | 6b2cbeb | 2012-12-14 17:04:59 +0200 | [diff] [blame] | 632 | return -1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 633 | return 0; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 634 | } |
| 635 | |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 636 | int |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 637 | _PyImport_FixupBuiltin(PyObject *mod, const char *name) |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 638 | { |
| 639 | int res; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 640 | PyObject *nameobj; |
Victor Stinner | 21fcd0c | 2011-03-07 18:28:15 +0100 | [diff] [blame] | 641 | nameobj = PyUnicode_InternFromString(name); |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 642 | if (nameobj == NULL) |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 643 | return -1; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 644 | res = _PyImport_FixupExtensionObject(mod, nameobj, nameobj); |
| 645 | Py_DECREF(nameobj); |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 646 | return res; |
| 647 | } |
| 648 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 649 | PyObject * |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 650 | _PyImport_FindExtensionObject(PyObject *name, PyObject *filename) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 651 | { |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 652 | PyObject *mod, *mdict, *key; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 653 | PyModuleDef* def; |
| 654 | if (extensions == NULL) |
| 655 | return NULL; |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 656 | key = PyTuple_Pack(2, filename, name); |
| 657 | if (key == NULL) |
Andrew Svetlov | 6b2cbeb | 2012-12-14 17:04:59 +0200 | [diff] [blame] | 658 | return NULL; |
Benjamin Peterson | 5cb8a31 | 2012-12-15 00:05:16 -0500 | [diff] [blame] | 659 | def = (PyModuleDef *)PyDict_GetItem(extensions, key); |
| 660 | Py_DECREF(key); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 661 | if (def == NULL) |
| 662 | return NULL; |
| 663 | if (def->m_size == -1) { |
| 664 | /* Module does not support repeated initialization */ |
| 665 | if (def->m_base.m_copy == NULL) |
| 666 | return NULL; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 667 | mod = PyImport_AddModuleObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 668 | if (mod == NULL) |
| 669 | return NULL; |
| 670 | mdict = PyModule_GetDict(mod); |
| 671 | if (mdict == NULL) |
| 672 | return NULL; |
| 673 | if (PyDict_Update(mdict, def->m_base.m_copy)) |
| 674 | return NULL; |
| 675 | } |
| 676 | else { |
| 677 | if (def->m_base.m_init == NULL) |
| 678 | return NULL; |
| 679 | mod = def->m_base.m_init(); |
| 680 | if (mod == NULL) |
| 681 | return NULL; |
Christian Heimes | 09ca794 | 2013-07-20 14:51:53 +0200 | [diff] [blame] | 682 | if (PyDict_SetItem(PyImport_GetModuleDict(), name, mod) == -1) { |
| 683 | Py_DECREF(mod); |
| 684 | return NULL; |
| 685 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 686 | Py_DECREF(mod); |
| 687 | } |
| 688 | if (_PyState_AddModule(mod, def) < 0) { |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 689 | PyDict_DelItem(PyImport_GetModuleDict(), name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 690 | Py_DECREF(mod); |
| 691 | return NULL; |
| 692 | } |
| 693 | if (Py_VerboseFlag) |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 694 | PySys_FormatStderr("import %U # previously loaded (%R)\n", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 695 | name, filename); |
| 696 | return mod; |
Brett Cannon | 9a5b25a | 2010-03-01 02:09:17 +0000 | [diff] [blame] | 697 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 698 | } |
| 699 | |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 700 | PyObject * |
Victor Stinner | 501c09a | 2011-02-23 00:02:00 +0000 | [diff] [blame] | 701 | _PyImport_FindBuiltin(const char *name) |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 702 | { |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 703 | PyObject *res, *nameobj; |
Victor Stinner | 21fcd0c | 2011-03-07 18:28:15 +0100 | [diff] [blame] | 704 | nameobj = PyUnicode_InternFromString(name); |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 705 | if (nameobj == NULL) |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 706 | return NULL; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 707 | res = _PyImport_FindExtensionObject(nameobj, nameobj); |
| 708 | Py_DECREF(nameobj); |
Victor Stinner | 49d3f25 | 2010-10-17 01:24:53 +0000 | [diff] [blame] | 709 | return res; |
| 710 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 711 | |
| 712 | /* Get the module object corresponding to a module name. |
| 713 | First check the modules dictionary if there's one there, |
Walter Dörwald | f0dfc7a | 2003-10-20 14:01:56 +0000 | [diff] [blame] | 714 | if not, create a new one and insert it in the modules dictionary. |
Guido van Rossum | 7f9fa97 | 1995-01-20 16:53:12 +0000 | [diff] [blame] | 715 | Because the former action is most common, THIS DOES NOT RETURN A |
| 716 | 'NEW' REFERENCE! */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 717 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 718 | PyObject * |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 719 | PyImport_AddModuleObject(PyObject *name) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 720 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 721 | PyObject *modules = PyImport_GetModuleDict(); |
| 722 | PyObject *m; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 723 | |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 724 | if ((m = PyDict_GetItem(modules, name)) != NULL && |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 725 | PyModule_Check(m)) |
| 726 | return m; |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 727 | m = PyModule_NewObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 728 | if (m == NULL) |
| 729 | return NULL; |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 730 | if (PyDict_SetItem(modules, name, m) != 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 731 | Py_DECREF(m); |
| 732 | return NULL; |
| 733 | } |
| 734 | Py_DECREF(m); /* Yes, it still exists, in modules! */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 735 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 736 | return m; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 737 | } |
| 738 | |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 739 | PyObject * |
| 740 | PyImport_AddModule(const char *name) |
| 741 | { |
| 742 | PyObject *nameobj, *module; |
| 743 | nameobj = PyUnicode_FromString(name); |
| 744 | if (nameobj == NULL) |
| 745 | return NULL; |
| 746 | module = PyImport_AddModuleObject(nameobj); |
| 747 | Py_DECREF(nameobj); |
| 748 | return module; |
| 749 | } |
| 750 | |
| 751 | |
Tim Peters | 1cd7017 | 2004-08-02 03:52:12 +0000 | [diff] [blame] | 752 | /* Remove name from sys.modules, if it's there. */ |
| 753 | static void |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 754 | remove_module(PyObject *name) |
Tim Peters | 1cd7017 | 2004-08-02 03:52:12 +0000 | [diff] [blame] | 755 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 756 | PyObject *modules = PyImport_GetModuleDict(); |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 757 | if (PyDict_GetItem(modules, name) == NULL) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 758 | return; |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 759 | if (PyDict_DelItem(modules, name) < 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 760 | Py_FatalError("import: deleting existing key in" |
| 761 | "sys.modules failed"); |
Tim Peters | 1cd7017 | 2004-08-02 03:52:12 +0000 | [diff] [blame] | 762 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 763 | |
Christian Heimes | 3b06e53 | 2008-01-07 20:12:44 +0000 | [diff] [blame] | 764 | |
Guido van Rossum | 7f9fa97 | 1995-01-20 16:53:12 +0000 | [diff] [blame] | 765 | /* Execute a code object in a module and return the module object |
Tim Peters | 1cd7017 | 2004-08-02 03:52:12 +0000 | [diff] [blame] | 766 | * WITH INCREMENTED REFERENCE COUNT. If an error occurs, name is |
| 767 | * removed from sys.modules, to avoid leaving damaged module objects |
| 768 | * in sys.modules. The caller may wish to restore the original |
| 769 | * module object (if any) in this case; PyImport_ReloadModule is an |
| 770 | * example. |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 771 | * |
| 772 | * Note that PyImport_ExecCodeModuleWithPathnames() is the preferred, richer |
| 773 | * interface. The other two exist primarily for backward compatibility. |
Tim Peters | 1cd7017 | 2004-08-02 03:52:12 +0000 | [diff] [blame] | 774 | */ |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 775 | PyObject * |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 776 | PyImport_ExecCodeModule(const char *name, PyObject *co) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 777 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 778 | return PyImport_ExecCodeModuleWithPathnames( |
| 779 | name, co, (char *)NULL, (char *)NULL); |
Guido van Rossum | e32bf6e | 1998-02-11 05:53:02 +0000 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | PyObject * |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 783 | PyImport_ExecCodeModuleEx(const char *name, PyObject *co, const char *pathname) |
Guido van Rossum | e32bf6e | 1998-02-11 05:53:02 +0000 | [diff] [blame] | 784 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 785 | return PyImport_ExecCodeModuleWithPathnames( |
| 786 | name, co, pathname, (char *)NULL); |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | PyObject * |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 790 | PyImport_ExecCodeModuleWithPathnames(const char *name, PyObject *co, |
| 791 | const char *pathname, |
| 792 | const char *cpathname) |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 793 | { |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 794 | PyObject *m = NULL; |
| 795 | PyObject *nameobj, *pathobj = NULL, *cpathobj = NULL; |
| 796 | |
| 797 | nameobj = PyUnicode_FromString(name); |
| 798 | if (nameobj == NULL) |
| 799 | return NULL; |
| 800 | |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 801 | if (cpathname != NULL) { |
| 802 | cpathobj = PyUnicode_DecodeFSDefault(cpathname); |
| 803 | if (cpathobj == NULL) |
| 804 | goto error; |
Brett Cannon | a6473f9 | 2012-07-13 13:57:03 -0400 | [diff] [blame] | 805 | } |
| 806 | else |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 807 | cpathobj = NULL; |
Brett Cannon | a6473f9 | 2012-07-13 13:57:03 -0400 | [diff] [blame] | 808 | |
| 809 | if (pathname != NULL) { |
| 810 | pathobj = PyUnicode_DecodeFSDefault(pathname); |
| 811 | if (pathobj == NULL) |
| 812 | goto error; |
| 813 | } |
| 814 | else if (cpathobj != NULL) { |
| 815 | PyInterpreterState *interp = PyThreadState_GET()->interp; |
| 816 | _Py_IDENTIFIER(_get_sourcefile); |
| 817 | |
| 818 | if (interp == NULL) { |
| 819 | Py_FatalError("PyImport_ExecCodeModuleWithPathnames: " |
| 820 | "no interpreter!"); |
| 821 | } |
| 822 | |
Alexandre Vassalotti | 865eaa1 | 2013-05-02 10:44:04 -0700 | [diff] [blame] | 823 | pathobj = _PyObject_CallMethodIdObjArgs(interp->importlib, |
Brett Cannon | a6473f9 | 2012-07-13 13:57:03 -0400 | [diff] [blame] | 824 | &PyId__get_sourcefile, cpathobj, |
| 825 | NULL); |
| 826 | if (pathobj == NULL) |
| 827 | PyErr_Clear(); |
| 828 | } |
| 829 | else |
| 830 | pathobj = NULL; |
| 831 | |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 832 | m = PyImport_ExecCodeModuleObject(nameobj, co, pathobj, cpathobj); |
| 833 | error: |
| 834 | Py_DECREF(nameobj); |
| 835 | Py_XDECREF(pathobj); |
| 836 | Py_XDECREF(cpathobj); |
| 837 | return m; |
| 838 | } |
| 839 | |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 840 | static PyObject * |
| 841 | module_dict_for_exec(PyObject *name) |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 842 | { |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 843 | PyObject *m, *d = NULL; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 844 | |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 845 | m = PyImport_AddModuleObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 846 | if (m == NULL) |
| 847 | return NULL; |
| 848 | /* If the module is being reloaded, we get the old module back |
| 849 | and re-use its dict to exec the new code. */ |
| 850 | d = PyModule_GetDict(m); |
| 851 | if (PyDict_GetItemString(d, "__builtins__") == NULL) { |
| 852 | if (PyDict_SetItemString(d, "__builtins__", |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 853 | PyEval_GetBuiltins()) != 0) { |
| 854 | remove_module(name); |
| 855 | return NULL; |
| 856 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 857 | } |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 858 | |
| 859 | return d; |
| 860 | } |
| 861 | |
| 862 | static PyObject * |
| 863 | exec_code_in_module(PyObject *name, PyObject *module_dict, PyObject *code_object) |
| 864 | { |
| 865 | PyObject *modules = PyImport_GetModuleDict(); |
| 866 | PyObject *v, *m; |
| 867 | |
| 868 | v = PyEval_EvalCode(code_object, module_dict, module_dict); |
| 869 | if (v == NULL) { |
| 870 | remove_module(name); |
| 871 | return NULL; |
| 872 | } |
| 873 | Py_DECREF(v); |
| 874 | |
| 875 | if ((m = PyDict_GetItem(modules, name)) == NULL) { |
| 876 | PyErr_Format(PyExc_ImportError, |
| 877 | "Loaded module %R not found in sys.modules", |
| 878 | name); |
| 879 | return NULL; |
| 880 | } |
| 881 | |
| 882 | Py_INCREF(m); |
| 883 | |
| 884 | return m; |
| 885 | } |
| 886 | |
| 887 | PyObject* |
| 888 | PyImport_ExecCodeModuleObject(PyObject *name, PyObject *co, PyObject *pathname, |
| 889 | PyObject *cpathname) |
| 890 | { |
| 891 | PyObject *d, *v; |
| 892 | |
| 893 | d = module_dict_for_exec(name); |
| 894 | if (d == NULL) { |
| 895 | return NULL; |
| 896 | } |
| 897 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 898 | if (pathname != NULL) { |
Brett Cannon | a6473f9 | 2012-07-13 13:57:03 -0400 | [diff] [blame] | 899 | v = pathname; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 900 | } |
Brett Cannon | a6473f9 | 2012-07-13 13:57:03 -0400 | [diff] [blame] | 901 | else { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 902 | v = ((PyCodeObject *)co)->co_filename; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 903 | } |
Brett Cannon | a6473f9 | 2012-07-13 13:57:03 -0400 | [diff] [blame] | 904 | Py_INCREF(v); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 905 | if (PyDict_SetItemString(d, "__file__", v) != 0) |
| 906 | PyErr_Clear(); /* Not important enough to report */ |
| 907 | Py_DECREF(v); |
Guido van Rossum | e32bf6e | 1998-02-11 05:53:02 +0000 | [diff] [blame] | 908 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 909 | /* Remember the pyc path name as the __cached__ attribute. */ |
Victor Stinner | 27ee089 | 2011-03-04 12:57:09 +0000 | [diff] [blame] | 910 | if (cpathname != NULL) |
| 911 | v = cpathname; |
| 912 | else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 913 | v = Py_None; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 914 | if (PyDict_SetItemString(d, "__cached__", v) != 0) |
| 915 | PyErr_Clear(); /* Not important enough to report */ |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 916 | |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 917 | return exec_code_in_module(name, d, co); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 918 | } |
| 919 | |
| 920 | |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 921 | static void |
| 922 | update_code_filenames(PyCodeObject *co, PyObject *oldname, PyObject *newname) |
| 923 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 924 | PyObject *constants, *tmp; |
| 925 | Py_ssize_t i, n; |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 926 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 927 | if (PyUnicode_Compare(co->co_filename, oldname)) |
| 928 | return; |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 929 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 930 | tmp = co->co_filename; |
| 931 | co->co_filename = newname; |
| 932 | Py_INCREF(co->co_filename); |
| 933 | Py_DECREF(tmp); |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 934 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 935 | constants = co->co_consts; |
| 936 | n = PyTuple_GET_SIZE(constants); |
| 937 | for (i = 0; i < n; i++) { |
| 938 | tmp = PyTuple_GET_ITEM(constants, i); |
| 939 | if (PyCode_Check(tmp)) |
| 940 | update_code_filenames((PyCodeObject *)tmp, |
| 941 | oldname, newname); |
| 942 | } |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 943 | } |
| 944 | |
Victor Stinner | 2f42ae5 | 2011-03-20 00:41:24 +0100 | [diff] [blame] | 945 | static void |
| 946 | update_compiled_module(PyCodeObject *co, PyObject *newname) |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 947 | { |
Victor Stinner | 2f42ae5 | 2011-03-20 00:41:24 +0100 | [diff] [blame] | 948 | PyObject *oldname; |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 949 | |
Victor Stinner | 2f42ae5 | 2011-03-20 00:41:24 +0100 | [diff] [blame] | 950 | if (PyUnicode_Compare(co->co_filename, newname) == 0) |
| 951 | return; |
Hirokazu Yamamoto | 4f447fb | 2009-03-04 01:52:10 +0000 | [diff] [blame] | 952 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 953 | oldname = co->co_filename; |
| 954 | Py_INCREF(oldname); |
| 955 | update_code_filenames(co, oldname, newname); |
| 956 | Py_DECREF(oldname); |
Antoine Pitrou | d35cbf6 | 2009-01-06 19:02:24 +0000 | [diff] [blame] | 957 | } |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 958 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 959 | /*[clinic input] |
| 960 | _imp._fix_co_filename |
| 961 | |
| 962 | code: object(type="PyCodeObject *", subclass_of="&PyCode_Type") |
| 963 | Code object to change. |
| 964 | |
| 965 | path: unicode |
| 966 | File path to use. |
| 967 | / |
| 968 | |
| 969 | Changes code.co_filename to specify the passed-in file path. |
| 970 | [clinic start generated code]*/ |
| 971 | |
| 972 | PyDoc_STRVAR(_imp__fix_co_filename__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 973 | "_fix_co_filename($module, code, path, /)\n" |
| 974 | "--\n" |
| 975 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 976 | "Changes code.co_filename to specify the passed-in file path.\n" |
| 977 | "\n" |
| 978 | " code\n" |
| 979 | " Code object to change.\n" |
| 980 | " path\n" |
| 981 | " File path to use."); |
| 982 | |
| 983 | #define _IMP__FIX_CO_FILENAME_METHODDEF \ |
| 984 | {"_fix_co_filename", (PyCFunction)_imp__fix_co_filename, METH_VARARGS, _imp__fix_co_filename__doc__}, |
| 985 | |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 986 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 987 | _imp__fix_co_filename_impl(PyModuleDef *module, PyCodeObject *code, PyObject *path); |
| 988 | |
| 989 | static PyObject * |
| 990 | _imp__fix_co_filename(PyModuleDef *module, PyObject *args) |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 991 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 992 | PyObject *return_value = NULL; |
| 993 | PyCodeObject *code; |
| 994 | PyObject *path; |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 995 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 996 | if (!PyArg_ParseTuple(args, |
| 997 | "O!U:_fix_co_filename", |
| 998 | &PyCode_Type, &code, &path)) |
| 999 | goto exit; |
| 1000 | return_value = _imp__fix_co_filename_impl(module, code, path); |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 1001 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1002 | exit: |
| 1003 | return return_value; |
| 1004 | } |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 1005 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1006 | static PyObject * |
| 1007 | _imp__fix_co_filename_impl(PyModuleDef *module, PyCodeObject *code, PyObject *path) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 1008 | /*[clinic end generated code: output=6b4b1edeb0d55c5d input=895ba50e78b82f05]*/ |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 1009 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1010 | { |
Brett Cannon | a6dec2e | 2014-01-10 07:43:55 -0500 | [diff] [blame] | 1011 | update_compiled_module(code, path); |
Brett Cannon | 442c9b9 | 2011-03-23 16:14:42 -0700 | [diff] [blame] | 1012 | |
| 1013 | Py_RETURN_NONE; |
| 1014 | } |
| 1015 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1016 | |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1017 | /* Forward */ |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 1018 | static const struct _frozen * find_frozen(PyObject *); |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1019 | |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1020 | |
| 1021 | /* Helper to test for built-in module */ |
| 1022 | |
| 1023 | static int |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1024 | is_builtin(PyObject *name) |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1025 | { |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1026 | int i, cmp; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1027 | for (i = 0; PyImport_Inittab[i].name != NULL; i++) { |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1028 | cmp = PyUnicode_CompareWithASCIIString(name, PyImport_Inittab[i].name); |
| 1029 | if (cmp == 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1030 | if (PyImport_Inittab[i].initfunc == NULL) |
| 1031 | return -1; |
| 1032 | else |
| 1033 | return 1; |
| 1034 | } |
| 1035 | } |
| 1036 | return 0; |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1037 | } |
| 1038 | |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1039 | |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1040 | /* Return an importer object for a sys.path/pkg.__path__ item 'p', |
| 1041 | possibly by fetching it from the path_importer_cache dict. If it |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 1042 | wasn't yet cached, traverse path_hooks until a hook is found |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1043 | that can handle the path item. Return None if no hook could; |
| 1044 | this tells our caller it should fall back to the builtin |
| 1045 | import mechanism. Cache the result in path_importer_cache. |
| 1046 | Returns a borrowed reference. */ |
| 1047 | |
| 1048 | static PyObject * |
| 1049 | get_path_importer(PyObject *path_importer_cache, PyObject *path_hooks, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1050 | PyObject *p) |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1051 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1052 | PyObject *importer; |
| 1053 | Py_ssize_t j, nhooks; |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1054 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1055 | /* These conditions are the caller's responsibility: */ |
| 1056 | assert(PyList_Check(path_hooks)); |
| 1057 | assert(PyDict_Check(path_importer_cache)); |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1058 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1059 | nhooks = PyList_Size(path_hooks); |
| 1060 | if (nhooks < 0) |
| 1061 | return NULL; /* Shouldn't happen */ |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1062 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1063 | importer = PyDict_GetItem(path_importer_cache, p); |
| 1064 | if (importer != NULL) |
| 1065 | return importer; |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1066 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1067 | /* set path_importer_cache[p] to None to avoid recursion */ |
| 1068 | if (PyDict_SetItem(path_importer_cache, p, Py_None) != 0) |
| 1069 | return NULL; |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1070 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1071 | for (j = 0; j < nhooks; j++) { |
| 1072 | PyObject *hook = PyList_GetItem(path_hooks, j); |
| 1073 | if (hook == NULL) |
| 1074 | return NULL; |
| 1075 | importer = PyObject_CallFunctionObjArgs(hook, p, NULL); |
| 1076 | if (importer != NULL) |
| 1077 | break; |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1078 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1079 | if (!PyErr_ExceptionMatches(PyExc_ImportError)) { |
| 1080 | return NULL; |
| 1081 | } |
| 1082 | PyErr_Clear(); |
| 1083 | } |
| 1084 | if (importer == NULL) { |
Brett Cannon | aa93642 | 2012-04-27 15:30:58 -0400 | [diff] [blame] | 1085 | return Py_None; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1086 | } |
| 1087 | if (importer != NULL) { |
| 1088 | int err = PyDict_SetItem(path_importer_cache, p, importer); |
| 1089 | Py_DECREF(importer); |
| 1090 | if (err != 0) |
| 1091 | return NULL; |
| 1092 | } |
| 1093 | return importer; |
Just van Rossum | 52e14d6 | 2002-12-30 22:08:05 +0000 | [diff] [blame] | 1094 | } |
| 1095 | |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 1096 | PyAPI_FUNC(PyObject *) |
| 1097 | PyImport_GetImporter(PyObject *path) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1098 | PyObject *importer=NULL, *path_importer_cache=NULL, *path_hooks=NULL; |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 1099 | |
Victor Stinner | 1e53bba | 2013-07-16 22:26:05 +0200 | [diff] [blame] | 1100 | path_importer_cache = PySys_GetObject("path_importer_cache"); |
| 1101 | path_hooks = PySys_GetObject("path_hooks"); |
| 1102 | if (path_importer_cache != NULL && path_hooks != NULL) { |
| 1103 | importer = get_path_importer(path_importer_cache, |
| 1104 | path_hooks, path); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1105 | } |
| 1106 | Py_XINCREF(importer); /* get_path_importer returns a borrowed reference */ |
| 1107 | return importer; |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 1108 | } |
| 1109 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1110 | |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1111 | static int init_builtin(PyObject *); /* Forward */ |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1112 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1113 | /* Initialize a built-in module. |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 1114 | Return 1 for success, 0 if the module is not found, and -1 with |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1115 | an exception set if the initialization failed. */ |
Guido van Rossum | 7f133ed | 1991-02-19 12:23:57 +0000 | [diff] [blame] | 1116 | |
Guido van Rossum | 7f133ed | 1991-02-19 12:23:57 +0000 | [diff] [blame] | 1117 | static int |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1118 | init_builtin(PyObject *name) |
Guido van Rossum | 7f133ed | 1991-02-19 12:23:57 +0000 | [diff] [blame] | 1119 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1120 | struct _inittab *p; |
Victor Stinner | 5eb4f59 | 2013-11-14 22:38:52 +0100 | [diff] [blame] | 1121 | PyObject *mod; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1122 | |
Victor Stinner | 5eb4f59 | 2013-11-14 22:38:52 +0100 | [diff] [blame] | 1123 | mod = _PyImport_FindExtensionObject(name, name); |
| 1124 | if (PyErr_Occurred()) |
| 1125 | return -1; |
| 1126 | if (mod != NULL) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1127 | return 1; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1128 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1129 | for (p = PyImport_Inittab; p->name != NULL; p++) { |
| 1130 | PyObject *mod; |
Antoine Pitrou | 6c40eb7 | 2012-01-18 20:16:09 +0100 | [diff] [blame] | 1131 | PyModuleDef *def; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1132 | if (PyUnicode_CompareWithASCIIString(name, p->name) == 0) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1133 | if (p->initfunc == NULL) { |
| 1134 | PyErr_Format(PyExc_ImportError, |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1135 | "Cannot re-init internal module %R", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1136 | name); |
| 1137 | return -1; |
| 1138 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1139 | mod = (*p->initfunc)(); |
| 1140 | if (mod == 0) |
| 1141 | return -1; |
Antoine Pitrou | 6c40eb7 | 2012-01-18 20:16:09 +0100 | [diff] [blame] | 1142 | /* Remember pointer to module init function. */ |
| 1143 | def = PyModule_GetDef(mod); |
| 1144 | def->m_base.m_init = p->initfunc; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1145 | if (_PyImport_FixupExtensionObject(mod, name, name) < 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1146 | return -1; |
| 1147 | /* FixupExtension has put the module into sys.modules, |
| 1148 | so we can release our own reference. */ |
| 1149 | Py_DECREF(mod); |
| 1150 | return 1; |
| 1151 | } |
| 1152 | } |
| 1153 | return 0; |
Guido van Rossum | 7f133ed | 1991-02-19 12:23:57 +0000 | [diff] [blame] | 1154 | } |
Guido van Rossum | f56e3db | 1993-04-01 20:59:32 +0000 | [diff] [blame] | 1155 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1156 | |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1157 | /* Frozen modules */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1158 | |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 1159 | static const struct _frozen * |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1160 | find_frozen(PyObject *name) |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1161 | { |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 1162 | const struct _frozen *p; |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1163 | |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1164 | if (name == NULL) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1165 | return NULL; |
Benjamin Peterson | d968e27 | 2008-11-05 22:48:33 +0000 | [diff] [blame] | 1166 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1167 | for (p = PyImport_FrozenModules; ; p++) { |
| 1168 | if (p->name == NULL) |
| 1169 | return NULL; |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1170 | if (PyUnicode_CompareWithASCIIString(name, p->name) == 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1171 | break; |
| 1172 | } |
| 1173 | return p; |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1174 | } |
| 1175 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 1176 | static PyObject * |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1177 | get_frozen_object(PyObject *name) |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1178 | { |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 1179 | const struct _frozen *p = find_frozen(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1180 | int size; |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1181 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1182 | if (p == NULL) { |
| 1183 | PyErr_Format(PyExc_ImportError, |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1184 | "No such frozen object named %R", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1185 | name); |
| 1186 | return NULL; |
| 1187 | } |
| 1188 | if (p->code == NULL) { |
| 1189 | PyErr_Format(PyExc_ImportError, |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1190 | "Excluded frozen object named %R", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1191 | name); |
| 1192 | return NULL; |
| 1193 | } |
| 1194 | size = p->size; |
| 1195 | if (size < 0) |
| 1196 | size = -size; |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 1197 | return PyMarshal_ReadObjectFromString((const char *)p->code, size); |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1198 | } |
| 1199 | |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 1200 | static PyObject * |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1201 | is_frozen_package(PyObject *name) |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 1202 | { |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 1203 | const struct _frozen *p = find_frozen(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1204 | int size; |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 1205 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1206 | if (p == NULL) { |
| 1207 | PyErr_Format(PyExc_ImportError, |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1208 | "No such frozen object named %R", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1209 | name); |
| 1210 | return NULL; |
| 1211 | } |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 1212 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1213 | size = p->size; |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 1214 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1215 | if (size < 0) |
| 1216 | Py_RETURN_TRUE; |
| 1217 | else |
| 1218 | Py_RETURN_FALSE; |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 1219 | } |
| 1220 | |
| 1221 | |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1222 | /* Initialize a frozen module. |
Brett Cannon | 3c2ac44 | 2009-03-08 20:49:47 +0000 | [diff] [blame] | 1223 | Return 1 for success, 0 if the module is not found, and -1 with |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1224 | an exception set if the initialization failed. |
| 1225 | This function is also used from frozenmain.c */ |
Guido van Rossum | 0b34490 | 1995-02-07 15:35:27 +0000 | [diff] [blame] | 1226 | |
| 1227 | int |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1228 | PyImport_ImportFrozenModuleObject(PyObject *name) |
Guido van Rossum | f56e3db | 1993-04-01 20:59:32 +0000 | [diff] [blame] | 1229 | { |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 1230 | const struct _frozen *p; |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 1231 | PyObject *co, *m, *d; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1232 | int ispackage; |
| 1233 | int size; |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 1234 | |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1235 | p = find_frozen(name); |
| 1236 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1237 | if (p == NULL) |
| 1238 | return 0; |
| 1239 | if (p->code == NULL) { |
| 1240 | PyErr_Format(PyExc_ImportError, |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1241 | "Excluded frozen object named %R", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1242 | name); |
| 1243 | return -1; |
| 1244 | } |
| 1245 | size = p->size; |
| 1246 | ispackage = (size < 0); |
| 1247 | if (ispackage) |
| 1248 | size = -size; |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 1249 | co = PyMarshal_ReadObjectFromString((const char *)p->code, size); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1250 | if (co == NULL) |
| 1251 | return -1; |
| 1252 | if (!PyCode_Check(co)) { |
| 1253 | PyErr_Format(PyExc_TypeError, |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1254 | "frozen object %R is not a code object", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1255 | name); |
| 1256 | goto err_return; |
| 1257 | } |
| 1258 | if (ispackage) { |
Brett Cannon | 3e0651b | 2013-05-31 23:18:39 -0400 | [diff] [blame] | 1259 | /* Set __path__ to the empty list */ |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 1260 | PyObject *l; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1261 | int err; |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1262 | m = PyImport_AddModuleObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1263 | if (m == NULL) |
| 1264 | goto err_return; |
| 1265 | d = PyModule_GetDict(m); |
Brett Cannon | 3e0651b | 2013-05-31 23:18:39 -0400 | [diff] [blame] | 1266 | l = PyList_New(0); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1267 | if (l == NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1268 | goto err_return; |
| 1269 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1270 | err = PyDict_SetItemString(d, "__path__", l); |
| 1271 | Py_DECREF(l); |
| 1272 | if (err != 0) |
| 1273 | goto err_return; |
| 1274 | } |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 1275 | d = module_dict_for_exec(name); |
| 1276 | if (d == NULL) { |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1277 | goto err_return; |
Brett Cannon | 18fc4e7 | 2014-04-04 10:01:46 -0400 | [diff] [blame] | 1278 | } |
| 1279 | m = exec_code_in_module(name, d, co); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1280 | if (m == NULL) |
| 1281 | goto err_return; |
| 1282 | Py_DECREF(co); |
| 1283 | Py_DECREF(m); |
| 1284 | return 1; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 1285 | err_return: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1286 | Py_DECREF(co); |
| 1287 | return -1; |
Guido van Rossum | f56e3db | 1993-04-01 20:59:32 +0000 | [diff] [blame] | 1288 | } |
Guido van Rossum | 74e6a11 | 1994-08-29 12:54:38 +0000 | [diff] [blame] | 1289 | |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1290 | int |
Serhiy Storchaka | c679227 | 2013-10-19 21:03:34 +0300 | [diff] [blame] | 1291 | PyImport_ImportFrozenModule(const char *name) |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1292 | { |
| 1293 | PyObject *nameobj; |
| 1294 | int ret; |
| 1295 | nameobj = PyUnicode_InternFromString(name); |
| 1296 | if (nameobj == NULL) |
| 1297 | return -1; |
| 1298 | ret = PyImport_ImportFrozenModuleObject(nameobj); |
| 1299 | Py_DECREF(nameobj); |
| 1300 | return ret; |
| 1301 | } |
| 1302 | |
Guido van Rossum | 74e6a11 | 1994-08-29 12:54:38 +0000 | [diff] [blame] | 1303 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1304 | /* Import a module, either built-in, frozen, or external, and return |
Guido van Rossum | 7f9fa97 | 1995-01-20 16:53:12 +0000 | [diff] [blame] | 1305 | its module object WITH INCREMENTED REFERENCE COUNT */ |
Guido van Rossum | 74e6a11 | 1994-08-29 12:54:38 +0000 | [diff] [blame] | 1306 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 1307 | PyObject * |
Jeremy Hylton | af68c87 | 2005-12-10 18:50:16 +0000 | [diff] [blame] | 1308 | PyImport_ImportModule(const char *name) |
Guido van Rossum | 74e6a11 | 1994-08-29 12:54:38 +0000 | [diff] [blame] | 1309 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1310 | PyObject *pname; |
| 1311 | PyObject *result; |
Marc-André Lemburg | 3c61c35 | 2001-02-09 19:40:15 +0000 | [diff] [blame] | 1312 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1313 | pname = PyUnicode_FromString(name); |
| 1314 | if (pname == NULL) |
| 1315 | return NULL; |
| 1316 | result = PyImport_Import(pname); |
| 1317 | Py_DECREF(pname); |
| 1318 | return result; |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 1319 | } |
| 1320 | |
Christian Heimes | 072c0f1 | 2008-01-03 23:01:04 +0000 | [diff] [blame] | 1321 | /* Import a module without blocking |
| 1322 | * |
| 1323 | * At first it tries to fetch the module from sys.modules. If the module was |
| 1324 | * never loaded before it loads it with PyImport_ImportModule() unless another |
| 1325 | * thread holds the import lock. In the latter case the function raises an |
| 1326 | * ImportError instead of blocking. |
| 1327 | * |
| 1328 | * Returns the module object with incremented ref count. |
| 1329 | */ |
| 1330 | PyObject * |
| 1331 | PyImport_ImportModuleNoBlock(const char *name) |
| 1332 | { |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1333 | return PyImport_ImportModule(name); |
Christian Heimes | 072c0f1 | 2008-01-03 23:01:04 +0000 | [diff] [blame] | 1334 | } |
| 1335 | |
Guido van Rossum | 17fc85f | 1997-09-06 18:52:03 +0000 | [diff] [blame] | 1336 | |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1337 | /* Remove importlib frames from the traceback, |
| 1338 | * except in Verbose mode. */ |
| 1339 | static void |
| 1340 | remove_importlib_frames(void) |
| 1341 | { |
| 1342 | const char *importlib_filename = "<frozen importlib._bootstrap>"; |
Nick Coghlan | 42c0766 | 2012-07-31 21:14:18 +1000 | [diff] [blame] | 1343 | const char *remove_frames = "_call_with_frames_removed"; |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1344 | int always_trim = 0; |
Benjamin Peterson | fa87370 | 2012-07-09 13:43:53 -0700 | [diff] [blame] | 1345 | int in_importlib = 0; |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1346 | PyObject *exception, *value, *base_tb, *tb; |
Benjamin Peterson | fa87370 | 2012-07-09 13:43:53 -0700 | [diff] [blame] | 1347 | PyObject **prev_link, **outer_link = NULL; |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1348 | |
| 1349 | /* Synopsis: if it's an ImportError, we trim all importlib chunks |
Nick Coghlan | 42c0766 | 2012-07-31 21:14:18 +1000 | [diff] [blame] | 1350 | from the traceback. We always trim chunks |
| 1351 | which end with a call to "_call_with_frames_removed". */ |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1352 | |
| 1353 | PyErr_Fetch(&exception, &value, &base_tb); |
| 1354 | if (!exception || Py_VerboseFlag) |
| 1355 | goto done; |
| 1356 | if (PyType_IsSubtype((PyTypeObject *) exception, |
| 1357 | (PyTypeObject *) PyExc_ImportError)) |
| 1358 | always_trim = 1; |
| 1359 | |
| 1360 | prev_link = &base_tb; |
| 1361 | tb = base_tb; |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1362 | while (tb != NULL) { |
| 1363 | PyTracebackObject *traceback = (PyTracebackObject *)tb; |
| 1364 | PyObject *next = (PyObject *) traceback->tb_next; |
| 1365 | PyFrameObject *frame = traceback->tb_frame; |
| 1366 | PyCodeObject *code = frame->f_code; |
| 1367 | int now_in_importlib; |
| 1368 | |
| 1369 | assert(PyTraceBack_Check(tb)); |
| 1370 | now_in_importlib = (PyUnicode_CompareWithASCIIString( |
| 1371 | code->co_filename, |
| 1372 | importlib_filename) == 0); |
| 1373 | if (now_in_importlib && !in_importlib) { |
| 1374 | /* This is the link to this chunk of importlib tracebacks */ |
| 1375 | outer_link = prev_link; |
| 1376 | } |
| 1377 | in_importlib = now_in_importlib; |
| 1378 | |
| 1379 | if (in_importlib && |
| 1380 | (always_trim || |
Nick Coghlan | 42c0766 | 2012-07-31 21:14:18 +1000 | [diff] [blame] | 1381 | PyUnicode_CompareWithASCIIString(code->co_name, |
| 1382 | remove_frames) == 0)) { |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1383 | PyObject *tmp = *outer_link; |
| 1384 | *outer_link = next; |
| 1385 | Py_XINCREF(next); |
| 1386 | Py_DECREF(tmp); |
| 1387 | prev_link = outer_link; |
| 1388 | } |
| 1389 | else { |
| 1390 | prev_link = (PyObject **) &traceback->tb_next; |
| 1391 | } |
| 1392 | tb = next; |
| 1393 | } |
| 1394 | done: |
| 1395 | PyErr_Restore(exception, value, base_tb); |
| 1396 | } |
| 1397 | |
| 1398 | |
Thomas Wouters | f7f438b | 2006-02-28 16:09:29 +0000 | [diff] [blame] | 1399 | PyObject * |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1400 | PyImport_ImportModuleLevelObject(PyObject *name, PyObject *given_globals, |
| 1401 | PyObject *locals, PyObject *given_fromlist, |
Victor Stinner | fe93faf | 2011-03-14 15:54:52 -0400 | [diff] [blame] | 1402 | int level) |
Thomas Wouters | f7f438b | 2006-02-28 16:09:29 +0000 | [diff] [blame] | 1403 | { |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1404 | _Py_IDENTIFIER(__import__); |
Eric Snow | b523f84 | 2013-11-22 09:05:39 -0700 | [diff] [blame] | 1405 | _Py_IDENTIFIER(__spec__); |
| 1406 | _Py_IDENTIFIER(_initializing); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1407 | _Py_IDENTIFIER(__package__); |
| 1408 | _Py_IDENTIFIER(__path__); |
| 1409 | _Py_IDENTIFIER(__name__); |
| 1410 | _Py_IDENTIFIER(_find_and_load); |
| 1411 | _Py_IDENTIFIER(_handle_fromlist); |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1412 | _Py_IDENTIFIER(_lock_unlock_module); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1413 | _Py_static_string(single_dot, "."); |
| 1414 | PyObject *abs_name = NULL; |
| 1415 | PyObject *builtins_import = NULL; |
| 1416 | PyObject *final_mod = NULL; |
| 1417 | PyObject *mod = NULL; |
| 1418 | PyObject *package = NULL; |
| 1419 | PyObject *globals = NULL; |
| 1420 | PyObject *fromlist = NULL; |
| 1421 | PyInterpreterState *interp = PyThreadState_GET()->interp; |
| 1422 | |
| 1423 | /* Make sure to use default values so as to not have |
| 1424 | PyObject_CallMethodObjArgs() truncate the parameter list because of a |
| 1425 | NULL argument. */ |
| 1426 | if (given_globals == NULL) { |
| 1427 | globals = PyDict_New(); |
| 1428 | if (globals == NULL) { |
| 1429 | goto error; |
| 1430 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1431 | } |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1432 | else { |
| 1433 | /* Only have to care what given_globals is if it will be used |
Brett Cannon | ecfefb7 | 2012-08-05 19:24:57 -0400 | [diff] [blame] | 1434 | for something. */ |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1435 | if (level > 0 && !PyDict_Check(given_globals)) { |
| 1436 | PyErr_SetString(PyExc_TypeError, "globals must be a dict"); |
| 1437 | goto error; |
| 1438 | } |
| 1439 | globals = given_globals; |
| 1440 | Py_INCREF(globals); |
| 1441 | } |
| 1442 | |
| 1443 | if (given_fromlist == NULL) { |
| 1444 | fromlist = PyList_New(0); |
| 1445 | if (fromlist == NULL) { |
| 1446 | goto error; |
| 1447 | } |
| 1448 | } |
| 1449 | else { |
| 1450 | fromlist = given_fromlist; |
| 1451 | Py_INCREF(fromlist); |
| 1452 | } |
| 1453 | if (name == NULL) { |
| 1454 | PyErr_SetString(PyExc_ValueError, "Empty module name"); |
| 1455 | goto error; |
| 1456 | } |
| 1457 | |
| 1458 | /* The below code is importlib.__import__() & _gcd_import(), ported to C |
| 1459 | for added performance. */ |
| 1460 | |
| 1461 | if (!PyUnicode_Check(name)) { |
| 1462 | PyErr_SetString(PyExc_TypeError, "module name must be a string"); |
| 1463 | goto error; |
| 1464 | } |
| 1465 | else if (PyUnicode_READY(name) < 0) { |
| 1466 | goto error; |
| 1467 | } |
| 1468 | if (level < 0) { |
| 1469 | PyErr_SetString(PyExc_ValueError, "level must be >= 0"); |
| 1470 | goto error; |
| 1471 | } |
| 1472 | else if (level > 0) { |
| 1473 | package = _PyDict_GetItemId(globals, &PyId___package__); |
| 1474 | if (package != NULL && package != Py_None) { |
| 1475 | Py_INCREF(package); |
| 1476 | if (!PyUnicode_Check(package)) { |
| 1477 | PyErr_SetString(PyExc_TypeError, "package must be a string"); |
| 1478 | goto error; |
| 1479 | } |
| 1480 | } |
| 1481 | else { |
Brett Cannon | 273323c | 2012-04-17 19:05:11 -0400 | [diff] [blame] | 1482 | package = _PyDict_GetItemId(globals, &PyId___name__); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1483 | if (package == NULL) { |
Brett Cannon | 273323c | 2012-04-17 19:05:11 -0400 | [diff] [blame] | 1484 | PyErr_SetString(PyExc_KeyError, "'__name__' not in globals"); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1485 | goto error; |
| 1486 | } |
| 1487 | else if (!PyUnicode_Check(package)) { |
| 1488 | PyErr_SetString(PyExc_TypeError, "__name__ must be a string"); |
| 1489 | } |
| 1490 | Py_INCREF(package); |
| 1491 | |
| 1492 | if (_PyDict_GetItemId(globals, &PyId___path__) == NULL) { |
Brett Cannon | 740fce0 | 2012-04-14 14:23:49 -0400 | [diff] [blame] | 1493 | PyObject *partition = NULL; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1494 | PyObject *borrowed_dot = _PyUnicode_FromId(&single_dot); |
| 1495 | if (borrowed_dot == NULL) { |
| 1496 | goto error; |
| 1497 | } |
Brett Cannon | 740fce0 | 2012-04-14 14:23:49 -0400 | [diff] [blame] | 1498 | partition = PyUnicode_RPartition(package, borrowed_dot); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1499 | Py_DECREF(package); |
| 1500 | if (partition == NULL) { |
| 1501 | goto error; |
| 1502 | } |
| 1503 | package = PyTuple_GET_ITEM(partition, 0); |
| 1504 | Py_INCREF(package); |
| 1505 | Py_DECREF(partition); |
| 1506 | } |
| 1507 | } |
| 1508 | |
| 1509 | if (PyDict_GetItem(interp->modules, package) == NULL) { |
| 1510 | PyErr_Format(PyExc_SystemError, |
| 1511 | "Parent module %R not loaded, cannot perform relative " |
| 1512 | "import", package); |
| 1513 | goto error; |
| 1514 | } |
| 1515 | } |
| 1516 | else { /* level == 0 */ |
| 1517 | if (PyUnicode_GET_LENGTH(name) == 0) { |
| 1518 | PyErr_SetString(PyExc_ValueError, "Empty module name"); |
| 1519 | goto error; |
| 1520 | } |
| 1521 | package = Py_None; |
| 1522 | Py_INCREF(package); |
| 1523 | } |
| 1524 | |
| 1525 | if (level > 0) { |
| 1526 | Py_ssize_t last_dot = PyUnicode_GET_LENGTH(package); |
| 1527 | PyObject *base = NULL; |
| 1528 | int level_up = 1; |
| 1529 | |
| 1530 | for (level_up = 1; level_up < level; level_up += 1) { |
| 1531 | last_dot = PyUnicode_FindChar(package, '.', 0, last_dot, -1); |
| 1532 | if (last_dot == -2) { |
| 1533 | goto error; |
| 1534 | } |
| 1535 | else if (last_dot == -1) { |
| 1536 | PyErr_SetString(PyExc_ValueError, |
| 1537 | "attempted relative import beyond top-level " |
| 1538 | "package"); |
| 1539 | goto error; |
| 1540 | } |
| 1541 | } |
Victor Stinner | 22af259 | 2013-11-13 12:11:36 +0100 | [diff] [blame] | 1542 | |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1543 | base = PyUnicode_Substring(package, 0, last_dot); |
Victor Stinner | 22af259 | 2013-11-13 12:11:36 +0100 | [diff] [blame] | 1544 | if (base == NULL) |
| 1545 | goto error; |
| 1546 | |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1547 | if (PyUnicode_GET_LENGTH(name) > 0) { |
Antoine Pitrou | 538ba2a | 2012-04-16 21:52:45 +0200 | [diff] [blame] | 1548 | PyObject *borrowed_dot, *seq = NULL; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1549 | |
| 1550 | borrowed_dot = _PyUnicode_FromId(&single_dot); |
Antoine Pitrou | 538ba2a | 2012-04-16 21:52:45 +0200 | [diff] [blame] | 1551 | seq = PyTuple_Pack(2, base, name); |
| 1552 | Py_DECREF(base); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1553 | if (borrowed_dot == NULL || seq == NULL) { |
| 1554 | goto error; |
| 1555 | } |
| 1556 | |
| 1557 | abs_name = PyUnicode_Join(borrowed_dot, seq); |
| 1558 | Py_DECREF(seq); |
| 1559 | if (abs_name == NULL) { |
| 1560 | goto error; |
| 1561 | } |
| 1562 | } |
| 1563 | else { |
| 1564 | abs_name = base; |
| 1565 | } |
| 1566 | } |
| 1567 | else { |
| 1568 | abs_name = name; |
| 1569 | Py_INCREF(abs_name); |
| 1570 | } |
| 1571 | |
Brian Curtin | e6b299f | 2012-04-14 14:19:33 -0500 | [diff] [blame] | 1572 | #ifdef WITH_THREAD |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1573 | _PyImport_AcquireLock(); |
| 1574 | #endif |
| 1575 | /* From this point forward, goto error_with_unlock! */ |
| 1576 | if (PyDict_Check(globals)) { |
| 1577 | builtins_import = _PyDict_GetItemId(globals, &PyId___import__); |
| 1578 | } |
| 1579 | if (builtins_import == NULL) { |
| 1580 | builtins_import = _PyDict_GetItemId(interp->builtins, &PyId___import__); |
| 1581 | if (builtins_import == NULL) { |
Benjamin Peterson | 7d11004 | 2013-04-29 09:08:14 -0400 | [diff] [blame] | 1582 | PyErr_SetString(PyExc_ImportError, "__import__ not found"); |
| 1583 | goto error_with_unlock; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1584 | } |
| 1585 | } |
| 1586 | Py_INCREF(builtins_import); |
| 1587 | |
| 1588 | mod = PyDict_GetItem(interp->modules, abs_name); |
| 1589 | if (mod == Py_None) { |
Brett Cannon | 27fc528 | 2012-04-15 14:15:31 -0400 | [diff] [blame] | 1590 | PyObject *msg = PyUnicode_FromFormat("import of %R halted; " |
| 1591 | "None in sys.modules", abs_name); |
| 1592 | if (msg != NULL) { |
Brett Cannon | 82da888 | 2013-07-04 17:48:16 -0400 | [diff] [blame] | 1593 | PyErr_SetImportError(msg, abs_name, NULL); |
Brian Curtin | 09b86d1 | 2012-04-17 16:57:09 -0500 | [diff] [blame] | 1594 | Py_DECREF(msg); |
Brett Cannon | 27fc528 | 2012-04-15 14:15:31 -0400 | [diff] [blame] | 1595 | } |
Antoine Pitrou | 71382cb | 2012-04-16 18:48:49 +0200 | [diff] [blame] | 1596 | mod = NULL; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1597 | goto error_with_unlock; |
| 1598 | } |
| 1599 | else if (mod != NULL) { |
Eric Snow | b523f84 | 2013-11-22 09:05:39 -0700 | [diff] [blame] | 1600 | PyObject *value = NULL; |
| 1601 | PyObject *spec; |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1602 | int initializing = 0; |
| 1603 | |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1604 | Py_INCREF(mod); |
Antoine Pitrou | 0398985 | 2012-08-28 00:24:52 +0200 | [diff] [blame] | 1605 | /* Optimization: only call _bootstrap._lock_unlock_module() if |
Eric Snow | b523f84 | 2013-11-22 09:05:39 -0700 | [diff] [blame] | 1606 | __spec__._initializing is true. |
| 1607 | NOTE: because of this, initializing must be set *before* |
Antoine Pitrou | 0398985 | 2012-08-28 00:24:52 +0200 | [diff] [blame] | 1608 | stuffing the new module in sys.modules. |
| 1609 | */ |
Eric Snow | b523f84 | 2013-11-22 09:05:39 -0700 | [diff] [blame] | 1610 | spec = _PyObject_GetAttrId(mod, &PyId___spec__); |
| 1611 | if (spec != NULL) { |
| 1612 | value = _PyObject_GetAttrId(spec, &PyId__initializing); |
| 1613 | Py_DECREF(spec); |
| 1614 | } |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1615 | if (value == NULL) |
| 1616 | PyErr_Clear(); |
| 1617 | else { |
| 1618 | initializing = PyObject_IsTrue(value); |
| 1619 | Py_DECREF(value); |
| 1620 | if (initializing == -1) |
| 1621 | PyErr_Clear(); |
| 1622 | } |
| 1623 | if (initializing > 0) { |
| 1624 | /* _bootstrap._lock_unlock_module() releases the import lock */ |
Alexandre Vassalotti | 865eaa1 | 2013-05-02 10:44:04 -0700 | [diff] [blame] | 1625 | value = _PyObject_CallMethodIdObjArgs(interp->importlib, |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1626 | &PyId__lock_unlock_module, abs_name, |
| 1627 | NULL); |
| 1628 | if (value == NULL) |
| 1629 | goto error; |
| 1630 | Py_DECREF(value); |
| 1631 | } |
| 1632 | else { |
| 1633 | #ifdef WITH_THREAD |
| 1634 | if (_PyImport_ReleaseLock() < 0) { |
| 1635 | PyErr_SetString(PyExc_RuntimeError, "not holding the import lock"); |
| 1636 | goto error; |
| 1637 | } |
| 1638 | #endif |
| 1639 | } |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1640 | } |
| 1641 | else { |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1642 | /* _bootstrap._find_and_load() releases the import lock */ |
Alexandre Vassalotti | 865eaa1 | 2013-05-02 10:44:04 -0700 | [diff] [blame] | 1643 | mod = _PyObject_CallMethodIdObjArgs(interp->importlib, |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1644 | &PyId__find_and_load, abs_name, |
| 1645 | builtins_import, NULL); |
| 1646 | if (mod == NULL) { |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1647 | goto error; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1648 | } |
| 1649 | } |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1650 | /* From now on we don't hold the import lock anymore. */ |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1651 | |
| 1652 | if (PyObject_Not(fromlist)) { |
| 1653 | if (level == 0 || PyUnicode_GET_LENGTH(name) > 0) { |
| 1654 | PyObject *front = NULL; |
Brian Curtin | e6b299f | 2012-04-14 14:19:33 -0500 | [diff] [blame] | 1655 | PyObject *partition = NULL; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1656 | PyObject *borrowed_dot = _PyUnicode_FromId(&single_dot); |
| 1657 | |
| 1658 | if (borrowed_dot == NULL) { |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1659 | goto error; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1660 | } |
| 1661 | |
Brian Curtin | e6b299f | 2012-04-14 14:19:33 -0500 | [diff] [blame] | 1662 | partition = PyUnicode_Partition(name, borrowed_dot); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1663 | if (partition == NULL) { |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1664 | goto error; |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1665 | } |
| 1666 | |
Antoine Pitrou | 6efa50a | 2012-05-07 21:41:59 +0200 | [diff] [blame] | 1667 | if (PyUnicode_GET_LENGTH(PyTuple_GET_ITEM(partition, 1)) == 0) { |
| 1668 | /* No dot in module name, simple exit */ |
| 1669 | Py_DECREF(partition); |
| 1670 | final_mod = mod; |
| 1671 | Py_INCREF(mod); |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1672 | goto error; |
Antoine Pitrou | 6efa50a | 2012-05-07 21:41:59 +0200 | [diff] [blame] | 1673 | } |
| 1674 | |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1675 | front = PyTuple_GET_ITEM(partition, 0); |
| 1676 | Py_INCREF(front); |
| 1677 | Py_DECREF(partition); |
| 1678 | |
| 1679 | if (level == 0) { |
Antoine Pitrou | 6efa50a | 2012-05-07 21:41:59 +0200 | [diff] [blame] | 1680 | final_mod = PyObject_CallFunctionObjArgs(builtins_import, front, NULL); |
Antoine Pitrou | b78174c | 2012-05-06 17:15:23 +0200 | [diff] [blame] | 1681 | Py_DECREF(front); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1682 | } |
| 1683 | else { |
Antoine Pitrou | 22a1d17 | 2012-04-16 22:06:21 +0200 | [diff] [blame] | 1684 | Py_ssize_t cut_off = PyUnicode_GET_LENGTH(name) - |
| 1685 | PyUnicode_GET_LENGTH(front); |
| 1686 | Py_ssize_t abs_name_len = PyUnicode_GET_LENGTH(abs_name); |
Brett Cannon | 49f8d8b | 2012-04-14 21:50:00 -0400 | [diff] [blame] | 1687 | PyObject *to_return = PyUnicode_Substring(abs_name, 0, |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1688 | abs_name_len - cut_off); |
Antoine Pitrou | 22a1d17 | 2012-04-16 22:06:21 +0200 | [diff] [blame] | 1689 | Py_DECREF(front); |
| 1690 | if (to_return == NULL) { |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1691 | goto error; |
Antoine Pitrou | 22a1d17 | 2012-04-16 22:06:21 +0200 | [diff] [blame] | 1692 | } |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1693 | |
| 1694 | final_mod = PyDict_GetItem(interp->modules, to_return); |
Brett Cannon | 49f8d8b | 2012-04-14 21:50:00 -0400 | [diff] [blame] | 1695 | if (final_mod == NULL) { |
| 1696 | PyErr_Format(PyExc_KeyError, |
| 1697 | "%R not in sys.modules as expected", |
| 1698 | to_return); |
| 1699 | } |
| 1700 | else { |
| 1701 | Py_INCREF(final_mod); |
| 1702 | } |
Antoine Pitrou | b78174c | 2012-05-06 17:15:23 +0200 | [diff] [blame] | 1703 | Py_DECREF(to_return); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1704 | } |
| 1705 | } |
| 1706 | else { |
| 1707 | final_mod = mod; |
| 1708 | Py_INCREF(mod); |
| 1709 | } |
| 1710 | } |
| 1711 | else { |
Alexandre Vassalotti | 865eaa1 | 2013-05-02 10:44:04 -0700 | [diff] [blame] | 1712 | final_mod = _PyObject_CallMethodIdObjArgs(interp->importlib, |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1713 | &PyId__handle_fromlist, mod, |
| 1714 | fromlist, builtins_import, |
| 1715 | NULL); |
| 1716 | } |
Antoine Pitrou | ea3eb88 | 2012-05-17 18:55:59 +0200 | [diff] [blame] | 1717 | goto error; |
Antoine Pitrou | 6efa50a | 2012-05-07 21:41:59 +0200 | [diff] [blame] | 1718 | |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1719 | error_with_unlock: |
Brian Curtin | e6b299f | 2012-04-14 14:19:33 -0500 | [diff] [blame] | 1720 | #ifdef WITH_THREAD |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1721 | if (_PyImport_ReleaseLock() < 0) { |
| 1722 | PyErr_SetString(PyExc_RuntimeError, "not holding the import lock"); |
| 1723 | } |
| 1724 | #endif |
| 1725 | error: |
| 1726 | Py_XDECREF(abs_name); |
| 1727 | Py_XDECREF(builtins_import); |
| 1728 | Py_XDECREF(mod); |
| 1729 | Py_XDECREF(package); |
| 1730 | Py_XDECREF(globals); |
| 1731 | Py_XDECREF(fromlist); |
Antoine Pitrou | bc07a5c | 2012-07-08 12:01:27 +0200 | [diff] [blame] | 1732 | if (final_mod == NULL) |
| 1733 | remove_importlib_frames(); |
Brett Cannon | fd07415 | 2012-04-14 14:10:13 -0400 | [diff] [blame] | 1734 | return final_mod; |
Guido van Rossum | 75acc9c | 1998-03-03 22:26:50 +0000 | [diff] [blame] | 1735 | } |
| 1736 | |
Victor Stinner | fe93faf | 2011-03-14 15:54:52 -0400 | [diff] [blame] | 1737 | PyObject * |
Benjamin Peterson | 04778a8 | 2011-05-25 09:29:00 -0500 | [diff] [blame] | 1738 | PyImport_ImportModuleLevel(const char *name, PyObject *globals, PyObject *locals, |
Victor Stinner | fe93faf | 2011-03-14 15:54:52 -0400 | [diff] [blame] | 1739 | PyObject *fromlist, int level) |
| 1740 | { |
| 1741 | PyObject *nameobj, *mod; |
| 1742 | nameobj = PyUnicode_FromString(name); |
| 1743 | if (nameobj == NULL) |
| 1744 | return NULL; |
| 1745 | mod = PyImport_ImportModuleLevelObject(nameobj, globals, locals, |
| 1746 | fromlist, level); |
| 1747 | Py_DECREF(nameobj); |
| 1748 | return mod; |
| 1749 | } |
| 1750 | |
| 1751 | |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1752 | /* Re-import a module of any kind and return its module object, WITH |
| 1753 | INCREMENTED REFERENCE COUNT */ |
| 1754 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 1755 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1756 | PyImport_ReloadModule(PyObject *m) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1757 | { |
Brett Cannon | 62228db | 2012-04-29 14:38:11 -0400 | [diff] [blame] | 1758 | _Py_IDENTIFIER(reload); |
| 1759 | PyObject *reloaded_module = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1760 | PyObject *modules = PyImport_GetModuleDict(); |
Brett Cannon | 62228db | 2012-04-29 14:38:11 -0400 | [diff] [blame] | 1761 | PyObject *imp = PyDict_GetItemString(modules, "imp"); |
| 1762 | if (imp == NULL) { |
| 1763 | imp = PyImport_ImportModule("imp"); |
| 1764 | if (imp == NULL) { |
| 1765 | return NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1766 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1767 | } |
Brett Cannon | 62228db | 2012-04-29 14:38:11 -0400 | [diff] [blame] | 1768 | else { |
| 1769 | Py_INCREF(imp); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1770 | } |
Victor Stinner | ad3c03b | 2011-03-14 09:21:33 -0400 | [diff] [blame] | 1771 | |
Brett Cannon | 62228db | 2012-04-29 14:38:11 -0400 | [diff] [blame] | 1772 | reloaded_module = _PyObject_CallMethodId(imp, &PyId_reload, "O", m); |
| 1773 | Py_DECREF(imp); |
| 1774 | return reloaded_module; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1775 | } |
| 1776 | |
| 1777 | |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1778 | /* Higher-level import emulator which emulates the "import" statement |
| 1779 | more accurately -- it invokes the __import__() function from the |
| 1780 | builtins of the current globals. This means that the import is |
| 1781 | done using whatever import hooks are installed in the current |
Brett Cannon | bc2eff3 | 2010-09-19 21:39:02 +0000 | [diff] [blame] | 1782 | environment. |
Guido van Rossum | 6058eb4 | 1998-12-21 19:51:00 +0000 | [diff] [blame] | 1783 | A dummy list ["__doc__"] is passed as the 4th argument so that |
Neal Norwitz | 80e7f27 | 2007-08-26 06:45:23 +0000 | [diff] [blame] | 1784 | e.g. PyImport_Import(PyUnicode_FromString("win32com.client.gencache")) |
Guido van Rossum | 6058eb4 | 1998-12-21 19:51:00 +0000 | [diff] [blame] | 1785 | will return <module "gencache"> instead of <module "win32com">. */ |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1786 | |
| 1787 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1788 | PyImport_Import(PyObject *module_name) |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1789 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1790 | static PyObject *silly_list = NULL; |
| 1791 | static PyObject *builtins_str = NULL; |
| 1792 | static PyObject *import_str = NULL; |
| 1793 | PyObject *globals = NULL; |
| 1794 | PyObject *import = NULL; |
| 1795 | PyObject *builtins = NULL; |
Brett Cannon | bc2eff3 | 2010-09-19 21:39:02 +0000 | [diff] [blame] | 1796 | PyObject *modules = NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1797 | PyObject *r = NULL; |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1798 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1799 | /* Initialize constant string objects */ |
| 1800 | if (silly_list == NULL) { |
| 1801 | import_str = PyUnicode_InternFromString("__import__"); |
| 1802 | if (import_str == NULL) |
| 1803 | return NULL; |
| 1804 | builtins_str = PyUnicode_InternFromString("__builtins__"); |
| 1805 | if (builtins_str == NULL) |
| 1806 | return NULL; |
Brett Cannon | bc2eff3 | 2010-09-19 21:39:02 +0000 | [diff] [blame] | 1807 | silly_list = PyList_New(0); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1808 | if (silly_list == NULL) |
| 1809 | return NULL; |
| 1810 | } |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1811 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1812 | /* Get the builtins from current globals */ |
| 1813 | globals = PyEval_GetGlobals(); |
| 1814 | if (globals != NULL) { |
| 1815 | Py_INCREF(globals); |
| 1816 | builtins = PyObject_GetItem(globals, builtins_str); |
| 1817 | if (builtins == NULL) |
| 1818 | goto err; |
| 1819 | } |
| 1820 | else { |
| 1821 | /* No globals -- use standard builtins, and fake globals */ |
| 1822 | builtins = PyImport_ImportModuleLevel("builtins", |
| 1823 | NULL, NULL, NULL, 0); |
| 1824 | if (builtins == NULL) |
| 1825 | return NULL; |
| 1826 | globals = Py_BuildValue("{OO}", builtins_str, builtins); |
| 1827 | if (globals == NULL) |
| 1828 | goto err; |
| 1829 | } |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1830 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1831 | /* Get the __import__ function from the builtins */ |
| 1832 | if (PyDict_Check(builtins)) { |
| 1833 | import = PyObject_GetItem(builtins, import_str); |
| 1834 | if (import == NULL) |
| 1835 | PyErr_SetObject(PyExc_KeyError, import_str); |
| 1836 | } |
| 1837 | else |
| 1838 | import = PyObject_GetAttr(builtins, import_str); |
| 1839 | if (import == NULL) |
| 1840 | goto err; |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1841 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1842 | /* Call the __import__ function with the proper argument list |
Brett Cannon | bc2eff3 | 2010-09-19 21:39:02 +0000 | [diff] [blame] | 1843 | Always use absolute import here. |
| 1844 | Calling for side-effect of import. */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1845 | r = PyObject_CallFunction(import, "OOOOi", module_name, globals, |
| 1846 | globals, silly_list, 0, NULL); |
Brett Cannon | bc2eff3 | 2010-09-19 21:39:02 +0000 | [diff] [blame] | 1847 | if (r == NULL) |
| 1848 | goto err; |
| 1849 | Py_DECREF(r); |
| 1850 | |
| 1851 | modules = PyImport_GetModuleDict(); |
| 1852 | r = PyDict_GetItem(modules, module_name); |
| 1853 | if (r != NULL) |
| 1854 | Py_INCREF(r); |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1855 | |
| 1856 | err: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1857 | Py_XDECREF(globals); |
| 1858 | Py_XDECREF(builtins); |
| 1859 | Py_XDECREF(import); |
Tim Peters | 50d8d37 | 2001-02-28 05:34:27 +0000 | [diff] [blame] | 1860 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1861 | return r; |
Guido van Rossum | d47a0a8 | 1997-08-14 20:11:26 +0000 | [diff] [blame] | 1862 | } |
| 1863 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1864 | /*[clinic input] |
| 1865 | _imp.extension_suffixes |
| 1866 | |
| 1867 | Returns the list of file suffixes used to identify extension modules. |
| 1868 | [clinic start generated code]*/ |
| 1869 | |
| 1870 | PyDoc_STRVAR(_imp_extension_suffixes__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 1871 | "extension_suffixes($module, /)\n" |
| 1872 | "--\n" |
| 1873 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1874 | "Returns the list of file suffixes used to identify extension modules."); |
| 1875 | |
| 1876 | #define _IMP_EXTENSION_SUFFIXES_METHODDEF \ |
| 1877 | {"extension_suffixes", (PyCFunction)_imp_extension_suffixes, METH_NOARGS, _imp_extension_suffixes__doc__}, |
| 1878 | |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 1879 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1880 | _imp_extension_suffixes_impl(PyModuleDef *module); |
| 1881 | |
| 1882 | static PyObject * |
| 1883 | _imp_extension_suffixes(PyModuleDef *module, PyObject *Py_UNUSED(ignored)) |
| 1884 | { |
Larry Hastings | bebf735 | 2014-01-17 17:47:17 -0800 | [diff] [blame] | 1885 | return _imp_extension_suffixes_impl(module); |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1886 | } |
| 1887 | |
| 1888 | static PyObject * |
| 1889 | _imp_extension_suffixes_impl(PyModuleDef *module) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 1890 | /*[clinic end generated code: output=bb30a2438167798c input=ecdeeecfcb6f839e]*/ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1891 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1892 | PyObject *list; |
Brett Cannon | 2657df4 | 2012-05-04 15:20:40 -0400 | [diff] [blame] | 1893 | const char *suffix; |
| 1894 | unsigned int index = 0; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1895 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1896 | list = PyList_New(0); |
| 1897 | if (list == NULL) |
| 1898 | return NULL; |
Brett Cannon | 2657df4 | 2012-05-04 15:20:40 -0400 | [diff] [blame] | 1899 | #ifdef HAVE_DYNAMIC_LOADING |
| 1900 | while ((suffix = _PyImport_DynLoadFiletab[index])) { |
| 1901 | PyObject *item = PyUnicode_FromString(suffix); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1902 | if (item == NULL) { |
| 1903 | Py_DECREF(list); |
| 1904 | return NULL; |
| 1905 | } |
| 1906 | if (PyList_Append(list, item) < 0) { |
| 1907 | Py_DECREF(list); |
| 1908 | Py_DECREF(item); |
| 1909 | return NULL; |
| 1910 | } |
| 1911 | Py_DECREF(item); |
Brett Cannon | 2657df4 | 2012-05-04 15:20:40 -0400 | [diff] [blame] | 1912 | index += 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1913 | } |
Brett Cannon | 2657df4 | 2012-05-04 15:20:40 -0400 | [diff] [blame] | 1914 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1915 | return list; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1916 | } |
| 1917 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1918 | /*[clinic input] |
| 1919 | _imp.init_builtin |
| 1920 | |
| 1921 | name: unicode |
| 1922 | / |
| 1923 | |
| 1924 | Initializes a built-in module. |
| 1925 | [clinic start generated code]*/ |
| 1926 | |
| 1927 | PyDoc_STRVAR(_imp_init_builtin__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 1928 | "init_builtin($module, name, /)\n" |
| 1929 | "--\n" |
| 1930 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1931 | "Initializes a built-in module."); |
| 1932 | |
| 1933 | #define _IMP_INIT_BUILTIN_METHODDEF \ |
| 1934 | {"init_builtin", (PyCFunction)_imp_init_builtin, METH_VARARGS, _imp_init_builtin__doc__}, |
| 1935 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 1936 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1937 | _imp_init_builtin_impl(PyModuleDef *module, PyObject *name); |
| 1938 | |
| 1939 | static PyObject * |
| 1940 | _imp_init_builtin(PyModuleDef *module, PyObject *args) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1941 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1942 | PyObject *return_value = NULL; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1943 | PyObject *name; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1944 | |
| 1945 | if (!PyArg_ParseTuple(args, |
| 1946 | "U:init_builtin", |
| 1947 | &name)) |
| 1948 | goto exit; |
| 1949 | return_value = _imp_init_builtin_impl(module, name); |
| 1950 | |
| 1951 | exit: |
| 1952 | return return_value; |
| 1953 | } |
| 1954 | |
| 1955 | static PyObject * |
| 1956 | _imp_init_builtin_impl(PyModuleDef *module, PyObject *name) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 1957 | /*[clinic end generated code: output=a0244948a43f8e26 input=f934d2231ec52a2e]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1958 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1959 | int ret; |
| 1960 | PyObject *m; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1961 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1962 | ret = init_builtin(name); |
| 1963 | if (ret < 0) |
| 1964 | return NULL; |
| 1965 | if (ret == 0) { |
| 1966 | Py_INCREF(Py_None); |
| 1967 | return Py_None; |
| 1968 | } |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 1969 | m = PyImport_AddModuleObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1970 | Py_XINCREF(m); |
| 1971 | return m; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1972 | } |
| 1973 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1974 | /*[clinic input] |
| 1975 | _imp.init_frozen |
| 1976 | |
| 1977 | name: unicode |
| 1978 | / |
| 1979 | |
| 1980 | Initializes a frozen module. |
| 1981 | [clinic start generated code]*/ |
| 1982 | |
| 1983 | PyDoc_STRVAR(_imp_init_frozen__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 1984 | "init_frozen($module, name, /)\n" |
| 1985 | "--\n" |
| 1986 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1987 | "Initializes a frozen module."); |
| 1988 | |
| 1989 | #define _IMP_INIT_FROZEN_METHODDEF \ |
| 1990 | {"init_frozen", (PyCFunction)_imp_init_frozen, METH_VARARGS, _imp_init_frozen__doc__}, |
| 1991 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 1992 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1993 | _imp_init_frozen_impl(PyModuleDef *module, PyObject *name); |
| 1994 | |
| 1995 | static PyObject * |
| 1996 | _imp_init_frozen(PyModuleDef *module, PyObject *args) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 1997 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 1998 | PyObject *return_value = NULL; |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 1999 | PyObject *name; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2000 | |
| 2001 | if (!PyArg_ParseTuple(args, |
| 2002 | "U:init_frozen", |
| 2003 | &name)) |
| 2004 | goto exit; |
| 2005 | return_value = _imp_init_frozen_impl(module, name); |
| 2006 | |
| 2007 | exit: |
| 2008 | return return_value; |
| 2009 | } |
| 2010 | |
| 2011 | static PyObject * |
| 2012 | _imp_init_frozen_impl(PyModuleDef *module, PyObject *name) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2013 | /*[clinic end generated code: output=e4bc2bff296f8f22 input=13019adfc04f3fb3]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2014 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2015 | int ret; |
| 2016 | PyObject *m; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2017 | |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 2018 | ret = PyImport_ImportFrozenModuleObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2019 | if (ret < 0) |
| 2020 | return NULL; |
| 2021 | if (ret == 0) { |
| 2022 | Py_INCREF(Py_None); |
| 2023 | return Py_None; |
| 2024 | } |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 2025 | m = PyImport_AddModuleObject(name); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2026 | Py_XINCREF(m); |
| 2027 | return m; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2028 | } |
| 2029 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2030 | /*[clinic input] |
| 2031 | _imp.get_frozen_object |
| 2032 | |
| 2033 | name: unicode |
| 2034 | / |
| 2035 | |
| 2036 | Create a code object for a frozen module. |
| 2037 | [clinic start generated code]*/ |
| 2038 | |
| 2039 | PyDoc_STRVAR(_imp_get_frozen_object__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2040 | "get_frozen_object($module, name, /)\n" |
| 2041 | "--\n" |
| 2042 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2043 | "Create a code object for a frozen module."); |
| 2044 | |
| 2045 | #define _IMP_GET_FROZEN_OBJECT_METHODDEF \ |
| 2046 | {"get_frozen_object", (PyCFunction)_imp_get_frozen_object, METH_VARARGS, _imp_get_frozen_object__doc__}, |
| 2047 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 2048 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2049 | _imp_get_frozen_object_impl(PyModuleDef *module, PyObject *name); |
| 2050 | |
| 2051 | static PyObject * |
| 2052 | _imp_get_frozen_object(PyModuleDef *module, PyObject *args) |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 2053 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2054 | PyObject *return_value = NULL; |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 2055 | PyObject *name; |
Jack Jansen | 95ffa23 | 1995-10-03 14:38:41 +0000 | [diff] [blame] | 2056 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2057 | if (!PyArg_ParseTuple(args, |
| 2058 | "U:get_frozen_object", |
| 2059 | &name)) |
| 2060 | goto exit; |
| 2061 | return_value = _imp_get_frozen_object_impl(module, name); |
| 2062 | |
| 2063 | exit: |
| 2064 | return return_value; |
| 2065 | } |
| 2066 | |
| 2067 | static PyObject * |
| 2068 | _imp_get_frozen_object_impl(PyModuleDef *module, PyObject *name) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2069 | /*[clinic end generated code: output=4089ec702a9d70c5 input=ed689bc05358fdbd]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2070 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2071 | return get_frozen_object(name); |
Guido van Rossum | 6ec1efb | 1995-08-04 04:08:57 +0000 | [diff] [blame] | 2072 | } |
| 2073 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2074 | /*[clinic input] |
| 2075 | _imp.is_frozen_package |
| 2076 | |
| 2077 | name: unicode |
| 2078 | / |
| 2079 | |
| 2080 | Returns True if the module name is of a frozen package. |
| 2081 | [clinic start generated code]*/ |
| 2082 | |
| 2083 | PyDoc_STRVAR(_imp_is_frozen_package__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2084 | "is_frozen_package($module, name, /)\n" |
| 2085 | "--\n" |
| 2086 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2087 | "Returns True if the module name is of a frozen package."); |
| 2088 | |
| 2089 | #define _IMP_IS_FROZEN_PACKAGE_METHODDEF \ |
| 2090 | {"is_frozen_package", (PyCFunction)_imp_is_frozen_package, METH_VARARGS, _imp_is_frozen_package__doc__}, |
| 2091 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 2092 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2093 | _imp_is_frozen_package_impl(PyModuleDef *module, PyObject *name); |
| 2094 | |
| 2095 | static PyObject * |
| 2096 | _imp_is_frozen_package(PyModuleDef *module, PyObject *args) |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 2097 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2098 | PyObject *return_value = NULL; |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 2099 | PyObject *name; |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 2100 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2101 | if (!PyArg_ParseTuple(args, |
| 2102 | "U:is_frozen_package", |
| 2103 | &name)) |
| 2104 | goto exit; |
| 2105 | return_value = _imp_is_frozen_package_impl(module, name); |
| 2106 | |
| 2107 | exit: |
| 2108 | return return_value; |
| 2109 | } |
| 2110 | |
| 2111 | static PyObject * |
| 2112 | _imp_is_frozen_package_impl(PyModuleDef *module, PyObject *name) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2113 | /*[clinic end generated code: output=86aab14dcd4b959b input=81b6cdecd080fbb8]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2114 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2115 | return is_frozen_package(name); |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 2116 | } |
| 2117 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2118 | /*[clinic input] |
| 2119 | _imp.is_builtin |
| 2120 | |
| 2121 | name: unicode |
| 2122 | / |
| 2123 | |
| 2124 | Returns True if the module name corresponds to a built-in module. |
| 2125 | [clinic start generated code]*/ |
| 2126 | |
| 2127 | PyDoc_STRVAR(_imp_is_builtin__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2128 | "is_builtin($module, name, /)\n" |
| 2129 | "--\n" |
| 2130 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2131 | "Returns True if the module name corresponds to a built-in module."); |
| 2132 | |
| 2133 | #define _IMP_IS_BUILTIN_METHODDEF \ |
| 2134 | {"is_builtin", (PyCFunction)_imp_is_builtin, METH_VARARGS, _imp_is_builtin__doc__}, |
| 2135 | |
Brett Cannon | 8d11013 | 2009-03-15 02:20:16 +0000 | [diff] [blame] | 2136 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2137 | _imp_is_builtin_impl(PyModuleDef *module, PyObject *name); |
| 2138 | |
| 2139 | static PyObject * |
| 2140 | _imp_is_builtin(PyModuleDef *module, PyObject *args) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2141 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2142 | PyObject *return_value = NULL; |
Victor Stinner | 9587286 | 2011-03-07 18:20:56 +0100 | [diff] [blame] | 2143 | PyObject *name; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2144 | |
| 2145 | if (!PyArg_ParseTuple(args, |
| 2146 | "U:is_builtin", |
| 2147 | &name)) |
| 2148 | goto exit; |
| 2149 | return_value = _imp_is_builtin_impl(module, name); |
| 2150 | |
| 2151 | exit: |
| 2152 | return return_value; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2153 | } |
| 2154 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 2155 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2156 | _imp_is_builtin_impl(PyModuleDef *module, PyObject *name) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2157 | /*[clinic end generated code: output=d5847f8cac50946e input=86befdac021dd1c7]*/ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2158 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2159 | return PyLong_FromLong(is_builtin(name)); |
| 2160 | } |
| 2161 | |
| 2162 | /*[clinic input] |
| 2163 | _imp.is_frozen |
| 2164 | |
| 2165 | name: unicode |
| 2166 | / |
| 2167 | |
| 2168 | Returns True if the module name corresponds to a frozen module. |
| 2169 | [clinic start generated code]*/ |
| 2170 | |
| 2171 | PyDoc_STRVAR(_imp_is_frozen__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2172 | "is_frozen($module, name, /)\n" |
| 2173 | "--\n" |
| 2174 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2175 | "Returns True if the module name corresponds to a frozen module."); |
| 2176 | |
| 2177 | #define _IMP_IS_FROZEN_METHODDEF \ |
| 2178 | {"is_frozen", (PyCFunction)_imp_is_frozen, METH_VARARGS, _imp_is_frozen__doc__}, |
| 2179 | |
| 2180 | static PyObject * |
| 2181 | _imp_is_frozen_impl(PyModuleDef *module, PyObject *name); |
| 2182 | |
| 2183 | static PyObject * |
| 2184 | _imp_is_frozen(PyModuleDef *module, PyObject *args) |
| 2185 | { |
| 2186 | PyObject *return_value = NULL; |
Victor Stinner | 53dc735 | 2011-03-20 01:50:21 +0100 | [diff] [blame] | 2187 | PyObject *name; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2188 | |
| 2189 | if (!PyArg_ParseTuple(args, |
| 2190 | "U:is_frozen", |
| 2191 | &name)) |
| 2192 | goto exit; |
| 2193 | return_value = _imp_is_frozen_impl(module, name); |
| 2194 | |
| 2195 | exit: |
| 2196 | return return_value; |
| 2197 | } |
| 2198 | |
| 2199 | static PyObject * |
| 2200 | _imp_is_frozen_impl(PyModuleDef *module, PyObject *name) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2201 | /*[clinic end generated code: output=6691af884ba4987d input=7301dbca1897d66b]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2202 | { |
Benjamin Peterson | 6fba3db | 2013-03-18 23:13:31 -0700 | [diff] [blame] | 2203 | const struct _frozen *p; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2204 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2205 | p = find_frozen(name); |
| 2206 | return PyBool_FromLong((long) (p == NULL ? 0 : p->size)); |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2207 | } |
| 2208 | |
Guido van Rossum | 96a8fb7 | 1999-12-22 14:09:35 +0000 | [diff] [blame] | 2209 | #ifdef HAVE_DYNAMIC_LOADING |
| 2210 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2211 | /*[clinic input] |
| 2212 | _imp.load_dynamic |
| 2213 | |
| 2214 | name: unicode |
| 2215 | path: fs_unicode |
| 2216 | file: object = NULL |
| 2217 | / |
| 2218 | |
| 2219 | Loads an extension module. |
| 2220 | [clinic start generated code]*/ |
| 2221 | |
| 2222 | PyDoc_STRVAR(_imp_load_dynamic__doc__, |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2223 | "load_dynamic($module, name, path, file=None, /)\n" |
| 2224 | "--\n" |
| 2225 | "\n" |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2226 | "Loads an extension module."); |
| 2227 | |
| 2228 | #define _IMP_LOAD_DYNAMIC_METHODDEF \ |
| 2229 | {"load_dynamic", (PyCFunction)_imp_load_dynamic, METH_VARARGS, _imp_load_dynamic__doc__}, |
| 2230 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 2231 | static PyObject * |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2232 | _imp_load_dynamic_impl(PyModuleDef *module, PyObject *name, PyObject *path, PyObject *file); |
| 2233 | |
| 2234 | static PyObject * |
| 2235 | _imp_load_dynamic(PyModuleDef *module, PyObject *args) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2236 | { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2237 | PyObject *return_value = NULL; |
| 2238 | PyObject *name; |
| 2239 | PyObject *path; |
| 2240 | PyObject *file = NULL; |
| 2241 | |
| 2242 | if (!PyArg_ParseTuple(args, |
| 2243 | "UO&|O:load_dynamic", |
| 2244 | &name, PyUnicode_FSDecoder, &path, &file)) |
| 2245 | goto exit; |
| 2246 | return_value = _imp_load_dynamic_impl(module, name, path, file); |
| 2247 | |
| 2248 | exit: |
| 2249 | return return_value; |
| 2250 | } |
| 2251 | |
| 2252 | static PyObject * |
| 2253 | _imp_load_dynamic_impl(PyModuleDef *module, PyObject *name, PyObject *path, PyObject *file) |
Larry Hastings | 2623c8c | 2014-02-08 22:15:29 -0800 | [diff] [blame] | 2254 | /*[clinic end generated code: output=81d11a1fbd1ea0a8 input=af64f06e4bad3526]*/ |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2255 | { |
| 2256 | PyObject *mod; |
Victor Stinner | fefd70c | 2011-03-14 15:54:07 -0400 | [diff] [blame] | 2257 | FILE *fp; |
| 2258 | |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2259 | if (file != NULL) { |
| 2260 | fp = _Py_fopen_obj(path, "r"); |
Victor Stinner | e9ddbf6 | 2011-03-22 10:46:35 +0100 | [diff] [blame] | 2261 | if (fp == NULL) { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2262 | Py_DECREF(path); |
Antoine Pitrou | f3a42de | 2012-05-04 22:40:25 +0200 | [diff] [blame] | 2263 | if (!PyErr_Occurred()) |
| 2264 | PyErr_SetFromErrno(PyExc_IOError); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2265 | return NULL; |
Victor Stinner | e9ddbf6 | 2011-03-22 10:46:35 +0100 | [diff] [blame] | 2266 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2267 | } |
Victor Stinner | fefd70c | 2011-03-14 15:54:07 -0400 | [diff] [blame] | 2268 | else |
| 2269 | fp = NULL; |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2270 | mod = _PyImport_LoadDynamicModule(name, path, fp); |
| 2271 | Py_DECREF(path); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2272 | if (fp) |
| 2273 | fclose(fp); |
Victor Stinner | fefd70c | 2011-03-14 15:54:07 -0400 | [diff] [blame] | 2274 | return mod; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2275 | } |
| 2276 | |
Guido van Rossum | 96a8fb7 | 1999-12-22 14:09:35 +0000 | [diff] [blame] | 2277 | #endif /* HAVE_DYNAMIC_LOADING */ |
| 2278 | |
Larry Hastings | 7726ac9 | 2014-01-31 22:03:12 -0800 | [diff] [blame] | 2279 | /*[clinic input] |
| 2280 | dump buffer |
| 2281 | [clinic start generated code]*/ |
| 2282 | |
| 2283 | #ifndef _IMP_LOAD_DYNAMIC_METHODDEF |
| 2284 | #define _IMP_LOAD_DYNAMIC_METHODDEF |
| 2285 | #endif /* !defined(_IMP_LOAD_DYNAMIC_METHODDEF) */ |
| 2286 | /*[clinic end generated code: output=d07c1d4a343a9579 input=524ce2e021e4eba6]*/ |
| 2287 | |
Barry Warsaw | 28a691b | 2010-04-17 00:19:56 +0000 | [diff] [blame] | 2288 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 2289 | PyDoc_STRVAR(doc_imp, |
Brett Cannon | 6f44d66 | 2012-04-15 16:08:47 -0400 | [diff] [blame] | 2290 | "(Extremely) low-level import machinery bits as used by importlib and imp."); |
Guido van Rossum | 0207e6d | 1997-09-09 22:04:42 +0000 | [diff] [blame] | 2291 | |
Guido van Rossum | 79f25d9 | 1997-04-29 20:08:16 +0000 | [diff] [blame] | 2292 | static PyMethodDef imp_methods[] = { |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2293 | _IMP_EXTENSION_SUFFIXES_METHODDEF |
| 2294 | _IMP_LOCK_HELD_METHODDEF |
| 2295 | _IMP_ACQUIRE_LOCK_METHODDEF |
| 2296 | _IMP_RELEASE_LOCK_METHODDEF |
| 2297 | _IMP_GET_FROZEN_OBJECT_METHODDEF |
| 2298 | _IMP_IS_FROZEN_PACKAGE_METHODDEF |
| 2299 | _IMP_INIT_BUILTIN_METHODDEF |
| 2300 | _IMP_INIT_FROZEN_METHODDEF |
| 2301 | _IMP_IS_BUILTIN_METHODDEF |
| 2302 | _IMP_IS_FROZEN_METHODDEF |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2303 | _IMP_LOAD_DYNAMIC_METHODDEF |
Brett Cannon | 4caa61d | 2014-01-09 19:03:32 -0500 | [diff] [blame] | 2304 | _IMP__FIX_CO_FILENAME_METHODDEF |
| 2305 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2306 | }; |
| 2307 | |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 2308 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 2309 | static struct PyModuleDef impmodule = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2310 | PyModuleDef_HEAD_INIT, |
Brett Cannon | 6f44d66 | 2012-04-15 16:08:47 -0400 | [diff] [blame] | 2311 | "_imp", |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2312 | doc_imp, |
| 2313 | 0, |
| 2314 | imp_methods, |
| 2315 | NULL, |
| 2316 | NULL, |
| 2317 | NULL, |
| 2318 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 2319 | }; |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 2320 | |
Jason Tishler | 6bc06ec | 2003-09-04 11:59:50 +0000 | [diff] [blame] | 2321 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 2322 | PyInit_imp(void) |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2323 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2324 | PyObject *m, *d; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2325 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2326 | m = PyModule_Create(&impmodule); |
| 2327 | if (m == NULL) |
| 2328 | goto failure; |
| 2329 | d = PyModule_GetDict(m); |
| 2330 | if (d == NULL) |
| 2331 | goto failure; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2332 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2333 | return m; |
Guido van Rossum | aee0bad | 1997-09-05 07:33:22 +0000 | [diff] [blame] | 2334 | failure: |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2335 | Py_XDECREF(m); |
| 2336 | return NULL; |
Guido van Rossum | 1ae940a | 1995-01-02 19:04:15 +0000 | [diff] [blame] | 2337 | } |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2338 | |
| 2339 | |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 2340 | /* API for embedding applications that want to add their own entries |
| 2341 | to the table of built-in modules. This should normally be called |
| 2342 | *before* Py_Initialize(). When the table resize fails, -1 is |
| 2343 | returned and the existing table is unchanged. |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2344 | |
| 2345 | After a similar function by Just van Rossum. */ |
| 2346 | |
| 2347 | int |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 2348 | PyImport_ExtendInittab(struct _inittab *newtab) |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2349 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2350 | static struct _inittab *our_copy = NULL; |
| 2351 | struct _inittab *p; |
| 2352 | int i, n; |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2353 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2354 | /* Count the number of entries in both tables */ |
| 2355 | for (n = 0; newtab[n].name != NULL; n++) |
| 2356 | ; |
| 2357 | if (n == 0) |
| 2358 | return 0; /* Nothing to do */ |
| 2359 | for (i = 0; PyImport_Inittab[i].name != NULL; i++) |
| 2360 | ; |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2361 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2362 | /* Allocate new memory for the combined table */ |
| 2363 | p = our_copy; |
| 2364 | PyMem_RESIZE(p, struct _inittab, i+n+1); |
| 2365 | if (p == NULL) |
| 2366 | return -1; |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2367 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2368 | /* Copy the tables into the new memory */ |
| 2369 | if (our_copy != PyImport_Inittab) |
| 2370 | memcpy(p, PyImport_Inittab, (i+1) * sizeof(struct _inittab)); |
| 2371 | PyImport_Inittab = our_copy = p; |
| 2372 | memcpy(p+i, newtab, (n+1) * sizeof(struct _inittab)); |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2373 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2374 | return 0; |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2375 | } |
| 2376 | |
| 2377 | /* Shorthand to add a single entry given a name and a function */ |
| 2378 | |
| 2379 | int |
Brett Cannon | a826f32 | 2009-04-02 03:41:46 +0000 | [diff] [blame] | 2380 | PyImport_AppendInittab(const char *name, PyObject* (*initfunc)(void)) |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2381 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2382 | struct _inittab newtab[2]; |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2383 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2384 | memset(newtab, '\0', sizeof newtab); |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2385 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2386 | newtab[0].name = (char *)name; |
| 2387 | newtab[0].initfunc = initfunc; |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2388 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2389 | return PyImport_ExtendInittab(newtab); |
Guido van Rossum | 09cae1f | 1998-05-14 02:32:54 +0000 | [diff] [blame] | 2390 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 2391 | |
| 2392 | #ifdef __cplusplus |
| 2393 | } |
| 2394 | #endif |
Larry Hastings | 7726ac9 | 2014-01-31 22:03:12 -0800 | [diff] [blame] | 2395 | |