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comparison Python/sysmodule.c @ 15811:1a00d21910c8 legacy-trunk

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Implementation of PEP-0217. This closes the PEP, and patch 103170
author Moshe Zadka <moshez@math.huji.ac.il>
date Thu, 11 Jan 2001 05:41:27 +0000
parents 0f42f6669e80
children a563eec46c1a
comparison
equal deleted inserted replaced
15810:954611fd35e1 15811:1a00d21910c8
66 else 66 else
67 return PyDict_SetItemString(sd, name, v); 67 return PyDict_SetItemString(sd, name, v);
68 } 68 }
69 69
70 static PyObject * 70 static PyObject *
71 sys_displayhook(PyObject *self, PyObject *args)
72 {
73 PyObject *o, *stdout;
74 PyInterpreterState *interp = PyThreadState_Get()->interp;
75 PyObject *modules = interp->modules;
76 PyObject *builtins = PyDict_GetItemString(modules, "__builtin__");
77
78 /* parse arguments */
79 if (!PyArg_ParseTuple(args, "O:displayhook", &o))
80 return NULL;
81
82 /* Print value except if None */
83 /* After printing, also assign to '_' */
84 /* Before, set '_' to None to avoid recursion */
85 if (o == Py_None) {
86 Py_INCREF(Py_None);
87 return Py_None;
88 }
89 if (PyObject_SetAttrString(builtins, "_", Py_None) != 0)
90 return NULL;
91 if (Py_FlushLine() != 0)
92 return NULL;
93 stdout = PySys_GetObject("stdout");
94 if (stdout == NULL) {
95 PyErr_SetString(PyExc_RuntimeError, "lost sys.stdout");
96 return NULL;
97 }
98 if (PyFile_WriteObject(o, stdout, 0) != 0)
99 return NULL;
100 PyFile_SoftSpace(stdout, 1);
101 if (Py_FlushLine() != 0)
102 return NULL;
103 if (PyObject_SetAttrString(builtins, "_", o) != 0)
104 return NULL;
105 Py_INCREF(Py_None);
106 return Py_None;
107 }
108
109 static char displayhook_doc[] =
110 "displayhook(o) -> None\n"
111 "\n"
112 "Print o to the stdout, and save it in __builtin__._\n";
113
114 static PyObject *
71 sys_exc_info(PyObject *self, PyObject *args) 115 sys_exc_info(PyObject *self, PyObject *args)
72 { 116 {
73 PyThreadState *tstate; 117 PyThreadState *tstate;
74 if (!PyArg_ParseTuple(args, ":exc_info")) 118 if (!PyArg_ParseTuple(args, ":exc_info"))
75 return NULL; 119 return NULL;
330 extern PyObject *_Py_GetDXProfile(PyObject *, PyObject *); 374 extern PyObject *_Py_GetDXProfile(PyObject *, PyObject *);
331 #endif 375 #endif
332 376
333 static PyMethodDef sys_methods[] = { 377 static PyMethodDef sys_methods[] = {
334 /* Might as well keep this in alphabetic order */ 378 /* Might as well keep this in alphabetic order */
379 {"displayhook", sys_displayhook, 1, displayhook_doc},
335 {"exc_info", sys_exc_info, 1, exc_info_doc}, 380 {"exc_info", sys_exc_info, 1, exc_info_doc},
336 {"exit", sys_exit, 0, exit_doc}, 381 {"exit", sys_exit, 0, exit_doc},
337 {"getdefaultencoding", sys_getdefaultencoding, 1, 382 {"getdefaultencoding", sys_getdefaultencoding, 1,
338 getdefaultencoding_doc}, 383 getdefaultencoding_doc},
339 #ifdef COUNT_ALLOCS 384 #ifdef COUNT_ALLOCS
473 __stdout__ -- the original stdout; don't use!\n\ 518 __stdout__ -- the original stdout; don't use!\n\
474 __stderr__ -- the original stderr; don't use!\n\ 519 __stderr__ -- the original stderr; don't use!\n\
475 \n\ 520 \n\
476 Functions:\n\ 521 Functions:\n\
477 \n\ 522 \n\
523 displayhook() -- print an object to the screen, and save it in __builtin__._\n\
478 exc_info() -- return thread-safe information about the current exception\n\ 524 exc_info() -- return thread-safe information about the current exception\n\
479 exit() -- exit the interpreter by raising SystemExit\n\ 525 exit() -- exit the interpreter by raising SystemExit\n\
480 getrefcount() -- return the reference count for an object (plus one :-)\n\ 526 getrefcount() -- return the reference count for an object (plus one :-)\n\
481 getrecursionlimit() -- return the max recursion depth for the interpreter\n\ 527 getrecursionlimit() -- return the max recursion depth for the interpreter\n\
482 setcheckinterval() -- control how often the interpreter checks for events\n\ 528 setcheckinterval() -- control how often the interpreter checks for events\n\