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comparison Python/sysmodule.c @ 65575:0b5bfba7a907

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Issue #10089: Add support for arbitrary -X options on the command-line. They can be retrieved through a new attribute `sys._xoptions`.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 21 Oct 2010 13:42:28 +0000
parents e8969fb822fc
children be8ae6b17539
comparison
equal deleted inserted replaced
65574:2f94d68c2731 65575:0b5bfba7a907
1082 1082
1083 int 1083 int
1084 PySys_HasWarnOptions(void) 1084 PySys_HasWarnOptions(void)
1085 { 1085 {
1086 return (warnoptions != NULL && (PyList_Size(warnoptions) > 0)) ? 1 : 0; 1086 return (warnoptions != NULL && (PyList_Size(warnoptions) > 0)) ? 1 : 0;
1087 }
1088
1089 static PyObject *xoptions = NULL;
1090
1091 static PyObject *
1092 get_xoptions(void)
1093 {
1094 if (xoptions == NULL || !PyDict_Check(xoptions)) {
1095 Py_XDECREF(xoptions);
1096 xoptions = PyDict_New();
1097 }
1098 return xoptions;
1099 }
1100
1101 void
1102 PySys_AddXOption(const wchar_t *s)
1103 {
1104 PyObject *opts;
1105 PyObject *name = NULL, *value = NULL;
1106 const wchar_t *name_end;
1107 int r;
1108
1109 opts = get_xoptions();
1110 if (opts == NULL)
1111 goto error;
1112
1113 name_end = wcschr(s, L'=');
1114 if (!name_end) {
1115 name = PyUnicode_FromWideChar(s, -1);
1116 value = Py_True;
1117 Py_INCREF(value);
1118 }
1119 else {
1120 name = PyUnicode_FromWideChar(s, name_end - s);
1121 value = PyUnicode_FromWideChar(name_end + 1, -1);
1122 }
1123 if (name == NULL || value == NULL)
1124 goto error;
1125 r = PyDict_SetItem(opts, name, value);
1126 Py_DECREF(name);
1127 Py_DECREF(value);
1128 return;
1129
1130 error:
1131 Py_XDECREF(name);
1132 Py_XDECREF(value);
1133 /* No return value, therefore clear error state if possible */
1134 if (_Py_atomic_load_relaxed(&_PyThreadState_Current))
1135 PyErr_Clear();
1136 }
1137
1138 PyObject *
1139 PySys_GetXOptions(void)
1140 {
1141 return get_xoptions();
1087 } 1142 }
1088 1143
1089 /* XXX This doc string is too long to be a single string literal in VC++ 5.0. 1144 /* XXX This doc string is too long to be a single string literal in VC++ 5.0.
1090 Two literals concatenated works just fine. If you have a K&R compiler 1145 Two literals concatenated works just fine. If you have a K&R compiler
1091 or other abomination that however *does* understand longer strings, 1146 or other abomination that however *does* understand longer strings,
1533 } 1588 }
1534 if (warnoptions != NULL) { 1589 if (warnoptions != NULL) {
1535 PyDict_SetItemString(sysdict, "warnoptions", warnoptions); 1590 PyDict_SetItemString(sysdict, "warnoptions", warnoptions);
1536 } 1591 }
1537 1592
1593 v = get_xoptions();
1594 if (v != NULL) {
1595 PyDict_SetItemString(sysdict, "_xoptions", v);
1596 }
1597
1538 /* version_info */ 1598 /* version_info */
1539 if (VersionInfoType.tp_name == 0) 1599 if (VersionInfoType.tp_name == 0)
1540 PyStructSequence_InitType(&VersionInfoType, &version_info_desc); 1600 PyStructSequence_InitType(&VersionInfoType, &version_info_desc);
1541 SET_SYS_FROM_STRING("version_info", make_version_info()); 1601 SET_SYS_FROM_STRING("version_info", make_version_info());
1542 /* prevent user from creating new instances */ 1602 /* prevent user from creating new instances */