Mercurial > cpython-lru_cache-weakref

annotate Python/_warnings.c @ 73776:c86fb10eaf68

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Issue #7111: Python can now be run without a stdin, stdout or stderr stream. It was already the case with Python 2. However, the corresponding sys module entries are now set to None (instead of an unusable file object).
author Antoine Pitrou <solipsis@pitrou.net>
date Mon, 28 Nov 2011 19:09:45 +0100
parents 2e37fc70e2dd
children b7c5e30582d1
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1 #include "Python.h"
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2 #include "frameobject.h"
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4 #define MODULE_NAME "_warnings"
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6 PyDoc_STRVAR(warnings__doc__,
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7 MODULE_NAME " provides basic warning filtering support.\n"
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8 "It is a helper module to speed up interpreter start-up.");
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10 /* Both 'filters' and 'onceregistry' can be set in warnings.py;
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11 get_warnings_attr() will reset these variables accordingly. */
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12 static PyObject *_filters; /* List */
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13 static PyObject *_once_registry; /* Dict */
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14 static PyObject *_default_action; /* String */
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17 static int
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18 check_matched(PyObject *obj, PyObject *arg)
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19 {
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20 PyObject *result;
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21 _Py_IDENTIFIER(match);
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22 int rc;
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24 if (obj == Py_None)
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25 return 1;
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26 result = _PyObject_CallMethodId(obj, &PyId_match, "O", arg);
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27 if (result == NULL)
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28 return -1;
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30 rc = PyObject_IsTrue(result);
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31 Py_DECREF(result);
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32 return rc;
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33 }
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35 /*
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36 Returns a new reference.
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37 A NULL return value can mean false or an error.
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38 */
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39 static PyObject *
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40 get_warnings_attr(const char *attr)
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41 {
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42 static PyObject *warnings_str = NULL;
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43 PyObject *all_modules;
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44 PyObject *warnings_module;
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45 int result;
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47 if (warnings_str == NULL) {
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48 warnings_str = PyUnicode_InternFromString("warnings");
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49 if (warnings_str == NULL)
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50 return NULL;
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51 }
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53 all_modules = PyImport_GetModuleDict();
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54 result = PyDict_Contains(all_modules, warnings_str);
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55 if (result == -1 || result == 0)
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56 return NULL;
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58 warnings_module = PyDict_GetItem(all_modules, warnings_str);
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59 if (!PyObject_HasAttrString(warnings_module, attr))
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60 return NULL;
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61 return PyObject_GetAttrString(warnings_module, attr);
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62 }
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64
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65 static PyObject *
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66 get_once_registry(void)
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67 {
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68 PyObject *registry;
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69
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70 registry = get_warnings_attr("onceregistry");
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71 if (registry == NULL) {
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72 if (PyErr_Occurred())
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73 return NULL;
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74 return _once_registry;
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75 }
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76 Py_DECREF(_once_registry);
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77 _once_registry = registry;
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78 return registry;
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79 }
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80
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81
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82 static PyObject *
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83 get_default_action(void)
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84 {
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85 PyObject *default_action;
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86
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87 default_action = get_warnings_attr("defaultaction");
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88 if (default_action == NULL) {
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89 if (PyErr_Occurred()) {
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90 return NULL;
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91 }
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92 return _default_action;
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93 }
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94
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95 Py_DECREF(_default_action);
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96 _default_action = default_action;
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97 return default_action;
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98 }
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99
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100
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101 /* The item is a borrowed reference. */
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102 static const char *
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103 get_filter(PyObject *category, PyObject *text, Py_ssize_t lineno,
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104 PyObject *module, PyObject **item)
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105 {
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106 PyObject *action;
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107 Py_ssize_t i;
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108 PyObject *warnings_filters;
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109
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110 warnings_filters = get_warnings_attr("filters");
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111 if (warnings_filters == NULL) {
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112 if (PyErr_Occurred())
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113 return NULL;
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114 }
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115 else {
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116 Py_DECREF(_filters);
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117 _filters = warnings_filters;
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118 }
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119
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120 if (_filters == NULL || !PyList_Check(_filters)) {
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121 PyErr_SetString(PyExc_ValueError,
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122 MODULE_NAME ".filters must be a list");
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123 return NULL;
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124 }
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125
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126 /* _filters could change while we are iterating over it. */
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127 for (i = 0; i < PyList_GET_SIZE(_filters); i++) {
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128 PyObject *tmp_item, *action, *msg, *cat, *mod, *ln_obj;
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129 Py_ssize_t ln;
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130 int is_subclass, good_msg, good_mod;
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131
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132 tmp_item = *item = PyList_GET_ITEM(_filters, i);
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133 if (PyTuple_Size(tmp_item) != 5) {
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134 PyErr_Format(PyExc_ValueError,
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135 MODULE_NAME ".filters item %zd isn't a 5-tuple", i);
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136 return NULL;
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137 }
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138
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139 /* Python code: action, msg, cat, mod, ln = item */
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140 action = PyTuple_GET_ITEM(tmp_item, 0);
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141 msg = PyTuple_GET_ITEM(tmp_item, 1);
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142 cat = PyTuple_GET_ITEM(tmp_item, 2);
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143 mod = PyTuple_GET_ITEM(tmp_item, 3);
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144 ln_obj = PyTuple_GET_ITEM(tmp_item, 4);
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145
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146 good_msg = check_matched(msg, text);
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147 good_mod = check_matched(mod, module);
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148 is_subclass = PyObject_IsSubclass(category, cat);
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149 ln = PyLong_AsSsize_t(ln_obj);
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150 if (good_msg == -1 || good_mod == -1 || is_subclass == -1 ||
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151 (ln == -1 && PyErr_Occurred()))
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152 return NULL;
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153
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154 if (good_msg && is_subclass && good_mod && (ln == 0 || lineno == ln))
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155 return _PyUnicode_AsString(action);
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156 }
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157
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158 action = get_default_action();
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159 if (action != NULL) {
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160 return _PyUnicode_AsString(action);
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161 }
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162
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163 PyErr_SetString(PyExc_ValueError,
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164 MODULE_NAME ".defaultaction not found");
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165 return NULL;
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166 }
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167
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168
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169 static int
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170 already_warned(PyObject *registry, PyObject *key, int should_set)
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171 {
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172 PyObject *already_warned;
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173
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174 if (key == NULL)
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175 return -1;
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176
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177 already_warned = PyDict_GetItem(registry, key);
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178 if (already_warned != NULL) {
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179 int rc = PyObject_IsTrue(already_warned);
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180 if (rc != 0)
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181 return rc;
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182 }
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183
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184 /* This warning wasn't found in the registry, set it. */
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185 if (should_set)
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186 return PyDict_SetItem(registry, key, Py_True);
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187 return 0;
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188 }
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189
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190 /* New reference. */
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191 static PyObject *
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192 normalize_module(PyObject *filename)
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193 {
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194 PyObject *module;
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195 const char *mod_str;
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196 Py_ssize_t len;
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197
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198 int rc = PyObject_IsTrue(filename);
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199 if (rc == -1)
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200 return NULL;
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201 else if (rc == 0)
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202 return PyUnicode_FromString("<unknown>");
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203
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204 mod_str = _PyUnicode_AsString(filename);
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205 if (mod_str == NULL)
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206 return NULL;
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207 len = PyUnicode_GetLength(filename);
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208 if (len < 0)
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209 return NULL;
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210 if (len >= 3 &&
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211 strncmp(mod_str + (len - 3), ".py", 3) == 0) {
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212 module = PyUnicode_Substring(filename, 0, len-3);
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213 }
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214 else {
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215 module = filename;
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216 Py_INCREF(module);
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217 }
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218 return module;
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219 }
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220
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221 static int
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222 update_registry(PyObject *registry, PyObject *text, PyObject *category,
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223 int add_zero)
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224 {
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225 PyObject *altkey, *zero = NULL;
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226 int rc;
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227
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228 if (add_zero) {
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229 zero = PyLong_FromLong(0);
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230 if (zero == NULL)
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231 return -1;
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232 altkey = PyTuple_Pack(3, text, category, zero);
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233 }
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234 else
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235 altkey = PyTuple_Pack(2, text, category);
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236
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237 rc = already_warned(registry, altkey, 1);
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238 Py_XDECREF(zero);
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239 Py_XDECREF(altkey);
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240 return rc;
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241 }
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242
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243 static void
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244 show_warning(PyObject *filename, int lineno, PyObject *text, PyObject
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245 *category, PyObject *sourceline)
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246 {
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247 PyObject *f_stderr;
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248 PyObject *name;
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249 char lineno_str[128];
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250 _Py_IDENTIFIER(__name__);
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251
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252 PyOS_snprintf(lineno_str, sizeof(lineno_str), ":%d: ", lineno);
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253
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254 name = _PyObject_GetAttrId(category, &PyId___name__);
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255 if (name == NULL) /* XXX Can an object lack a '__name__' attribute? */
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256 return;
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257
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258 f_stderr = PySys_GetObject("stderr");
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259 if (f_stderr == NULL) {
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260 fprintf(stderr, "lost sys.stderr\n");
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261 Py_DECREF(name);
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262 return;
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263 }
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264
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265 /* Print "filename:lineno: category: text\n" */
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266 PyFile_WriteObject(filename, f_stderr, Py_PRINT_RAW);
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267 PyFile_WriteString(lineno_str, f_stderr);
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268 PyFile_WriteObject(name, f_stderr, Py_PRINT_RAW);
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269 PyFile_WriteString(": ", f_stderr);
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270 PyFile_WriteObject(text, f_stderr, Py_PRINT_RAW);
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271 PyFile_WriteString("\n", f_stderr);
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272 Py_XDECREF(name);
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273
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274 /* Print " source_line\n" */
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275 if (sourceline) {
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276 char *source_line_str = _PyUnicode_AsString(sourceline);
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277 if (source_line_str == NULL)
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278 return;
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279 while (*source_line_str == ' ' || *source_line_str == '\t' ||
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280 *source_line_str == '\014')
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281 source_line_str++;
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282
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283 PyFile_WriteString(source_line_str, f_stderr);
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284 PyFile_WriteString("\n", f_stderr);
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285 }
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286 else
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287 if (_Py_DisplaySourceLine(f_stderr, filename, lineno, 2) < 0)
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288 return;
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289 PyErr_Clear();
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290 }
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291
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292 static PyObject *
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293 warn_explicit(PyObject *category, PyObject *message,
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294 PyObject *filename, int lineno,
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295 PyObject *module, PyObject *registry, PyObject *sourceline)
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296 {
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297 PyObject *key = NULL, *text = NULL, *result = NULL, *lineno_obj = NULL;
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298 PyObject *item = Py_None;
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299 const char *action;
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300 int rc;
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301
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302 if (registry && !PyDict_Check(registry) && (registry != Py_None)) {
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303 PyErr_SetString(PyExc_TypeError, "'registry' must be a dict");
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304 return NULL;
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305 }
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306
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307 /* Normalize module. */
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308 if (module == NULL) {
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309 module = normalize_module(filename);
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310 if (module == NULL)
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311 return NULL;
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312 }
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313 else
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diff changeset
314 Py_INCREF(module);
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parents:
diff changeset
315
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parents:
diff changeset
316 /* Normalize message. */
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parents:
diff changeset
317 Py_INCREF(message); /* DECREF'ed in cleanup. */
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parents:
diff changeset
318 rc = PyObject_IsInstance(message, PyExc_Warning);
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parents:
diff changeset
319 if (rc == -1) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
320 goto cleanup;
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parents:
diff changeset
321 }
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parents:
diff changeset
322 if (rc == 1) {
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parents:
diff changeset
323 text = PyObject_Str(message);
55293
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Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 52659
diff changeset
324 if (text == NULL)
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Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 52659
diff changeset
325 goto cleanup;
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
326 category = (PyObject*)message->ob_type;
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diff changeset
327 }
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diff changeset
328 else {
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parents:
diff changeset
329 text = message;
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diff changeset
330 message = PyObject_CallFunction(category, "O", message);
48371
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diff changeset
331 if (message == NULL)
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332 goto cleanup;
46430
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parents:
diff changeset
333 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
334
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
335 lineno_obj = PyLong_FromLong(lineno);
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diff changeset
336 if (lineno_obj == NULL)
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diff changeset
337 goto cleanup;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
338
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diff changeset
339 /* Create key. */
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diff changeset
340 key = PyTuple_Pack(3, text, category, lineno_obj);
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341 if (key == NULL)
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diff changeset
342 goto cleanup;
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parents:
diff changeset
343
48371
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344 if ((registry != NULL) && (registry != Py_None)) {
46430
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345 rc = already_warned(registry, key, 0);
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diff changeset
346 if (rc == -1)
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diff changeset
347 goto cleanup;
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348 else if (rc == 1)
46430
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diff changeset
349 goto return_none;
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diff changeset
350 /* Else this warning hasn't been generated before. */
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351 }
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diff changeset
352
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diff changeset
353 action = get_filter(category, text, lineno, module, &item);
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diff changeset
354 if (action == NULL)
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diff changeset
355 goto cleanup;
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parents:
diff changeset
356
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diff changeset
357 if (strcmp(action, "error") == 0) {
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diff changeset
358 PyErr_SetObject(category, message);
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diff changeset
359 goto cleanup;
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diff changeset
360 }
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parents:
diff changeset
361
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diff changeset
362 /* Store in the registry that we've been here, *except* when the action
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parents:
diff changeset
363 is "always". */
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parents:
diff changeset
364 rc = 0;
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parents:
diff changeset
365 if (strcmp(action, "always") != 0) {
48371
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diff changeset
366 if (registry != NULL && registry != Py_None &&
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parents: 47580
diff changeset
367 PyDict_SetItem(registry, key, Py_True) < 0)
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
368 goto cleanup;
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parents:
diff changeset
369 else if (strcmp(action, "ignore") == 0)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
370 goto return_none;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
371 else if (strcmp(action, "once") == 0) {
48371
605ab6f92838 Merged revisions 64549 via svnmerge from
Brett Cannon <bcannon@gmail.com>
parents: 47580
diff changeset
372 if (registry == NULL || registry == Py_None) {
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
373 registry = get_once_registry();
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parents:
diff changeset
374 if (registry == NULL)
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parents:
diff changeset
375 goto cleanup;
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parents:
diff changeset
376 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
377 /* _once_registry[(text, category)] = 1 */
61467
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diff changeset
378 rc = update_registry(registry, text, category, 0);
46430
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parents:
diff changeset
379 }
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parents:
diff changeset
380 else if (strcmp(action, "module") == 0) {
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parents:
diff changeset
381 /* registry[(text, category, 0)] = 1 */
48371
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diff changeset
382 if (registry != NULL && registry != Py_None)
61467
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diff changeset
383 rc = update_registry(registry, text, category, 0);
46430
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parents:
diff changeset
384 }
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parents:
diff changeset
385 else if (strcmp(action, "default") != 0) {
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parents:
diff changeset
386 PyObject *to_str = PyObject_Str(item);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
387 const char *err_str = "???";
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
388
48953
3bdc46faef4d The _warnings module did not properly handle cases where strings were not being
Brett Cannon <bcannon@gmail.com>
parents: 48952
diff changeset
389 if (to_str != NULL) {
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48499
diff changeset
390 err_str = _PyUnicode_AsString(to_str);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
391 if (err_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
392 goto cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
393 }
46430
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parents:
diff changeset
394 PyErr_Format(PyExc_RuntimeError,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
395 "Unrecognized action (%s) in warnings.filters:\n %s",
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parents:
diff changeset
396 action, err_str);
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parents:
diff changeset
397 Py_XDECREF(to_str);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
398 goto cleanup;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
399 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
400 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
401
49387
86893a397dd0 Merged revisions 66748 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 48953
diff changeset
402 if (rc == 1) /* Already warned for this module. */
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
403 goto return_none;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
404 if (rc == 0) {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
405 PyObject *show_fxn = get_warnings_attr("showwarning");
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
406 if (show_fxn == NULL) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
407 if (PyErr_Occurred())
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
408 goto cleanup;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
409 show_warning(filename, lineno, text, category, sourceline);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
410 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
411 else {
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
412 PyObject *res;
46708
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Christian Heimes <christian@cheimes.de>
parents: 46690
diff changeset
413
71400
aaced3dcb858 Make warnings accept a callable for showwarnings instead of
Brett Cannon <brett@python.org>
parents: 71220
diff changeset
414 if (!PyCallable_Check(show_fxn)) {
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
415 PyErr_SetString(PyExc_TypeError,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
416 "warnings.showwarning() must be set to a "
71400
aaced3dcb858 Make warnings accept a callable for showwarnings instead of
Brett Cannon <brett@python.org>
parents: 71220
diff changeset
417 "callable");
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
418 Py_DECREF(show_fxn);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
419 goto cleanup;
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
420 }
46708
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Christian Heimes <christian@cheimes.de>
parents: 46690
diff changeset
421
48952
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Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
422 res = PyObject_CallFunctionObjArgs(show_fxn, message, category,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
423 filename, lineno_obj,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
424 NULL);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
425 Py_DECREF(show_fxn);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
426 Py_XDECREF(res);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
427 if (res == NULL)
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
428 goto cleanup;
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
429 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
430 }
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diff changeset
431 else /* if (rc == -1) */
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parents:
diff changeset
432 goto cleanup;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
433
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
434 return_none:
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
435 result = Py_None;
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parents:
diff changeset
436 Py_INCREF(result);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
437
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
438 cleanup:
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
439 Py_XDECREF(key);
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parents:
diff changeset
440 Py_XDECREF(text);
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parents:
diff changeset
441 Py_XDECREF(lineno_obj);
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parents:
diff changeset
442 Py_DECREF(module);
48371
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parents: 47580
diff changeset
443 Py_XDECREF(message);
46430
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diff changeset
444 return result; /* Py_None or NULL. */
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parents:
diff changeset
445 }
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parents:
diff changeset
446
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
447 /* filename, module, and registry are new refs, globals is borrowed */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
448 /* Returns 0 on error (no new refs), 1 on success */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
449 static int
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parents:
diff changeset
450 setup_context(Py_ssize_t stack_level, PyObject **filename, int *lineno,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
451 PyObject **module, PyObject **registry)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
452 {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
453 PyObject *globals;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
454
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
455 /* Setup globals and lineno. */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
456 PyFrameObject *f = PyThreadState_GET()->frame;
46690
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Christian Heimes <christian@cheimes.de>
parents: 46665
diff changeset
457 while (--stack_level > 0 && f != NULL)
46430
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parents:
diff changeset
458 f = f->f_back;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
459
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
460 if (f == NULL) {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
461 globals = PyThreadState_Get()->interp->sysdict;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
462 *lineno = 1;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
463 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
464 else {
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parents:
diff changeset
465 globals = f->f_globals;
55372
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55293
diff changeset
466 *lineno = PyFrame_GetLineNumber(f);
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
467 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
468
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parents:
diff changeset
469 *module = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
470
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
471 /* Setup registry. */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
472 assert(globals != NULL);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
473 assert(PyDict_Check(globals));
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
474 *registry = PyDict_GetItemString(globals, "__warningregistry__");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
475 if (*registry == NULL) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
476 int rc;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
477
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
478 *registry = PyDict_New();
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parents:
diff changeset
479 if (*registry == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
480 return 0;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
481
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
482 rc = PyDict_SetItemString(globals, "__warningregistry__", *registry);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
483 if (rc < 0)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
484 goto handle_error;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
485 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
486 else
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
487 Py_INCREF(*registry);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
488
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
489 /* Setup module. */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
490 *module = PyDict_GetItemString(globals, "__name__");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
491 if (*module == NULL) {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
492 *module = PyUnicode_FromString("<string>");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
493 if (*module == NULL)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
494 goto handle_error;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
495 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
496 else
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
497 Py_INCREF(*module);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
498
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
499 /* Setup filename. */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
500 *filename = PyDict_GetItemString(globals, "__file__");
71173
ac18e70cbe7e Issue #12467: warnings: fix a race condition if a warning is emitted at
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68489
diff changeset
501 if (*filename != NULL && PyUnicode_Check(*filename)) {
72716
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
502 Py_ssize_t len;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
503 int kind;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
504 void *data;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
505
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
506 if (PyUnicode_READY(*filename))
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
507 goto handle_error;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
508
73655
2e37fc70e2dd Fix misuse of PyUnicode_GET_SIZE() => PyUnicode_GET_LENGTH()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 73457
diff changeset
509 len = PyUnicode_GetLength(*filename);
72716
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
510 kind = PyUnicode_KIND(*filename);
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
511 data = PyUnicode_DATA(*filename);
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
512
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
513 /* if filename.lower().endswith((".pyc", ".pyo")): */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
514 if (len >= 4 &&
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
515 PyUnicode_READ(kind, data, len-4) == '.' &&
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
516 Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-3)) == 'p' &&
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
517 Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-2)) == 'y' &&
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
518 (Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-1)) == 'c' ||
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
519 Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-1)) == 'o'))
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
520 {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
521 *filename = PyUnicode_Substring(*filename, 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
522 PyUnicode_GET_LENGTH(*filename)-1);
63851
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
523 if (*filename == NULL)
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
524 goto handle_error;
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
525 }
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
526 else
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
527 Py_INCREF(*filename);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
528 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
529 else {
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48499
diff changeset
530 const char *module_str = _PyUnicode_AsString(*module);
71220
7eb85a23cf3d start out this branch always with filename NULL
Benjamin Peterson <benjamin@python.org>
parents: 71178
diff changeset
531 *filename = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
532 if (module_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
533 goto handle_error;
48953
3bdc46faef4d The _warnings module did not properly handle cases where strings were not being
Brett Cannon <bcannon@gmail.com>
parents: 48952
diff changeset
534 if (strcmp(module_str, "__main__") == 0) {
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
535 PyObject *argv = PySys_GetObject("argv");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
536 if (argv != NULL && PyList_Size(argv) > 0) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
537 int is_true;
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
538 *filename = PyList_GetItem(argv, 0);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
539 Py_INCREF(*filename);
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
540 /* If sys.argv[0] is false, then use '__main__'. */
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
541 is_true = PyObject_IsTrue(*filename);
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
542 if (is_true < 0) {
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
543 Py_DECREF(*filename);
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
544 goto handle_error;
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
545 }
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
546 else if (!is_true) {
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
547 Py_DECREF(*filename);
46665
c7c25cc9963d Fix merge error
Benjamin Peterson <benjamin@python.org>
parents: 46664
diff changeset
548 *filename = PyUnicode_FromString("__main__");
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
549 if (*filename == NULL)
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
550 goto handle_error;
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diff changeset
551 }
46430
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552 }
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diff changeset
553 else {
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parents:
diff changeset
554 /* embedded interpreters don't have sys.argv, see bug #839151 */
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diff changeset
555 *filename = PyUnicode_FromString("__main__");
61467
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diff changeset
556 if (*filename == NULL)
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diff changeset
557 goto handle_error;
46430
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parents:
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558 }
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559 }
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560 if (*filename == NULL) {
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561 *filename = *module;
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562 Py_INCREF(*filename);
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563 }
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564 }
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565
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diff changeset
566 return 1;
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567
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568 handle_error:
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569 /* filename not XDECREF'ed here as there is no way to jump here with a
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570 dangling reference. */
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diff changeset
571 Py_XDECREF(*registry);
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572 Py_XDECREF(*module);
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573 return 0;
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574 }
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575
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diff changeset
576 static PyObject *
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577 get_category(PyObject *message, PyObject *category)
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578 {
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diff changeset
579 int rc;
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580
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diff changeset
581 /* Get category. */
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582 rc = PyObject_IsInstance(message, PyExc_Warning);
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583 if (rc == -1)
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584 return NULL;
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585
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586 if (rc == 1)
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587 category = (PyObject*)message->ob_type;
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588 else if (category == NULL)
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diff changeset
589 category = PyExc_UserWarning;
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590
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591 /* Validate category. */
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592 rc = PyObject_IsSubclass(category, PyExc_Warning);
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593 if (rc == -1)
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594 return NULL;
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595 if (rc == 0) {
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596 PyErr_SetString(PyExc_ValueError,
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597 "category is not a subclass of Warning");
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598 return NULL;
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599 }
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600
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601 return category;
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602 }
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603
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diff changeset
604 static PyObject *
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605 do_warn(PyObject *message, PyObject *category, Py_ssize_t stack_level)
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606 {
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607 PyObject *filename, *module, *registry, *res;
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diff changeset
608 int lineno;
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609
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diff changeset
610 if (!setup_context(stack_level, &filename, &lineno, &module, &registry))
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611 return NULL;
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612
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613 res = warn_explicit(category, message, filename, lineno, module, registry,
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614 NULL);
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615 Py_DECREF(filename);
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diff changeset
616 Py_DECREF(registry);
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diff changeset
617 Py_DECREF(module);
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618 return res;
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619 }
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620
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diff changeset
621 static PyObject *
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622 warnings_warn(PyObject *self, PyObject *args, PyObject *kwds)
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623 {
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624 static char *kw_list[] = { "message", "category", "stacklevel", 0 };
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625 PyObject *message, *category = NULL;
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diff changeset
626 Py_ssize_t stack_level = 1;
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diff changeset
627
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
628 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|On:warn", kw_list,
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diff changeset
629 &message, &category, &stack_level))
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diff changeset
630 return NULL;
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631
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diff changeset
632 category = get_category(message, category);
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diff changeset
633 if (category == NULL)
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diff changeset
634 return NULL;
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diff changeset
635 return do_warn(message, category, stack_level);
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diff changeset
636 }
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diff changeset
637
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diff changeset
638 static PyObject *
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diff changeset
639 warnings_warn_explicit(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
640 {
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Christian Heimes <christian@cheimes.de>
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diff changeset
641 static char *kwd_list[] = {"message", "category", "filename", "lineno",
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diff changeset
642 "module", "registry", "module_globals", 0};
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diff changeset
643 PyObject *message;
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diff changeset
644 PyObject *category;
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diff changeset
645 PyObject *filename;
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diff changeset
646 int lineno;
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diff changeset
647 PyObject *module = NULL;
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648 PyObject *registry = NULL;
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649 PyObject *module_globals = NULL;
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650
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diff changeset
651 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOOi|OOO:warn_explicit",
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diff changeset
652 kwd_list, &message, &category, &filename, &lineno, &module,
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diff changeset
653 &registry, &module_globals))
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diff changeset
654 return NULL;
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655
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656 if (module_globals) {
72926
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
657 _Py_IDENTIFIER(get_source);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
658 _Py_IDENTIFIER(splitlines);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
659 PyObject *tmp;
46430
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660 PyObject *loader;
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diff changeset
661 PyObject *module_name;
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diff changeset
662 PyObject *source;
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663 PyObject *source_list;
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diff changeset
664 PyObject *source_line;
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diff changeset
665 PyObject *returned;
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666
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diff changeset
667 if ((tmp = _PyUnicode_FromId(&PyId_get_source)) == NULL)
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
668 return NULL;
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
669 if ((tmp = _PyUnicode_FromId(&PyId_splitlines)) == NULL)
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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diff changeset
670 return NULL;
46430
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671
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672 /* Check/get the requisite pieces needed for the loader. */
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673 loader = PyDict_GetItemString(module_globals, "__loader__");
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674 module_name = PyDict_GetItemString(module_globals, "__name__");
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675
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676 if (loader == NULL || module_name == NULL)
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diff changeset
677 goto standard_call;
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678
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diff changeset
679 /* Make sure the loader implements the optional get_source() method. */
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Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
680 if (!_PyObject_HasAttrId(loader, &PyId_get_source))
46430
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diff changeset
681 goto standard_call;
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682 /* Call get_source() to get the source code. */
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
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683 source = PyObject_CallMethodObjArgs(loader, PyId_get_source.object,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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parents: 72925
diff changeset
684 module_name, NULL);
46430
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diff changeset
685 if (!source)
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diff changeset
686 return NULL;
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687 else if (source == Py_None) {
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diff changeset
688 Py_DECREF(Py_None);
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diff changeset
689 goto standard_call;
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690 }
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691
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diff changeset
692 /* Split the source into lines. */
73655
2e37fc70e2dd Fix misuse of PyUnicode_GET_SIZE() => PyUnicode_GET_LENGTH()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 73457
diff changeset
693 source_list = PyObject_CallMethodObjArgs(source,
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
694 PyId_splitlines.object,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
695 NULL);
46430
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diff changeset
696 Py_DECREF(source);
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697 if (!source_list)
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698 return NULL;
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diff changeset
699
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diff changeset
700 /* Get the source line. */
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701 source_line = PyList_GetItem(source_list, lineno-1);
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702 if (!source_line) {
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diff changeset
703 Py_DECREF(source_list);
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diff changeset
704 return NULL;
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705 }
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706
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707 /* Handle the warning. */
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708 returned = warn_explicit(category, message, filename, lineno, module,
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709 registry, source_line);
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710 Py_DECREF(source_list);
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711 return returned;
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712 }
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713
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diff changeset
714 standard_call:
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715 return warn_explicit(category, message, filename, lineno, module,
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716 registry, NULL);
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717 }
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718
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719
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720 /* Function to issue a warning message; may raise an exception. */
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721
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722 static int
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723 warn_unicode(PyObject *category, PyObject *message,
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724 Py_ssize_t stack_level)
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725 {
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726 PyObject *res;
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727
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728 if (category == NULL)
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729 category = PyExc_RuntimeWarning;
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730
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731 res = do_warn(message, category, stack_level);
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732 if (res == NULL)
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733 return -1;
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734 Py_DECREF(res);
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735
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736 return 0;
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737 }
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738
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739 int
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740 PyErr_WarnFormat(PyObject *category, Py_ssize_t stack_level,
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741 const char *format, ...)
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742 {
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743 int ret;
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744 PyObject *message;
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745 va_list vargs;
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746
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747 #ifdef HAVE_STDARG_PROTOTYPES
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748 va_start(vargs, format);
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749 #else
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750 va_start(vargs);
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751 #endif
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752 message = PyUnicode_FromFormatV(format, vargs);
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753 if (message != NULL) {
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754 ret = warn_unicode(category, message, stack_level);
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755 Py_DECREF(message);
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756 }
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757 else
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758 ret = -1;
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759 va_end(vargs);
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760 return ret;
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761 }
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762
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763 int
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764 PyErr_WarnEx(PyObject *category, const char *text, Py_ssize_t stack_level)
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765 {
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766 int ret;
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767 PyObject *message = PyUnicode_FromString(text);
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768 if (message == NULL)
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parents: 63851
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769 return -1;
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parents: 63851
diff changeset
770 ret = warn_unicode(category, message, stack_level);
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771 Py_DECREF(message);
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parents: 63851
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772 return ret;
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parents: 63851
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773 }
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774
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Ezio Melotti <ezio.melotti@gmail.com>
parents: 62393
diff changeset
775 /* PyErr_Warn is only for backwards compatibility and will be removed.
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776 Use PyErr_WarnEx instead. */
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777
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778 #undef PyErr_Warn
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779
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diff changeset
780 PyAPI_FUNC(int)
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diff changeset
781 PyErr_Warn(PyObject *category, char *text)
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782 {
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783 return PyErr_WarnEx(category, text, 1);
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784 }
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785
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diff changeset
786 /* Warning with explicit origin */
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diff changeset
787 int
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diff changeset
788 PyErr_WarnExplicit(PyObject *category, const char *text,
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diff changeset
789 const char *filename_str, int lineno,
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diff changeset
790 const char *module_str, PyObject *registry)
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791 {
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diff changeset
792 PyObject *res;
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diff changeset
793 PyObject *message = PyUnicode_FromString(text);
67161
6f19622dd342 Issue #10779: PyErr_WarnExplicit() decodes the filename from the filesystem
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65624
diff changeset
794 PyObject *filename = PyUnicode_DecodeFSDefault(filename_str);
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diff changeset
795 PyObject *module = NULL;
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diff changeset
796 int ret = -1;
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parents:
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797
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798 if (message == NULL || filename == NULL)
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parents:
diff changeset
799 goto exit;
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parents:
diff changeset
800 if (module_str != NULL) {
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parents:
diff changeset
801 module = PyUnicode_FromString(module_str);
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parents:
diff changeset
802 if (module == NULL)
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parents:
diff changeset
803 goto exit;
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804 }
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805
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parents:
diff changeset
806 if (category == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
807 category = PyExc_RuntimeWarning;
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parents:
diff changeset
808 res = warn_explicit(category, message, filename, lineno, module, registry,
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diff changeset
809 NULL);
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810 if (res == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
811 goto exit;
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Christian Heimes <christian@cheimes.de>
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diff changeset
812 Py_DECREF(res);
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diff changeset
813 ret = 0;
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parents:
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814
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parents:
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815 exit:
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816 Py_XDECREF(message);
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diff changeset
817 Py_XDECREF(module);
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parents:
diff changeset
818 Py_XDECREF(filename);
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parents:
diff changeset
819 return ret;
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parents:
diff changeset
820 }
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821
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822
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
823 PyDoc_STRVAR(warn_doc,
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parents:
diff changeset
824 "Issue a warning, or maybe ignore it or raise an exception.");
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825
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parents:
diff changeset
826 PyDoc_STRVAR(warn_explicit_doc,
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parents:
diff changeset
827 "Low-level inferface to warnings functionality.");
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828
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parents:
diff changeset
829 static PyMethodDef warnings_functions[] = {
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diff changeset
830 {"warn", (PyCFunction)warnings_warn, METH_VARARGS | METH_KEYWORDS,
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diff changeset
831 warn_doc},
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diff changeset
832 {"warn_explicit", (PyCFunction)warnings_warn_explicit,
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diff changeset
833 METH_VARARGS | METH_KEYWORDS, warn_explicit_doc},
49387
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diff changeset
834 /* XXX(brett.cannon): add showwarning? */
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diff changeset
835 /* XXX(brett.cannon): Reasonable to add formatwarning? */
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
836 {NULL, NULL} /* sentinel */
46430
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diff changeset
837 };
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838
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839
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diff changeset
840 static PyObject *
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diff changeset
841 create_filter(PyObject *category, const char *action)
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diff changeset
842 {
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diff changeset
843 static PyObject *ignore_str = NULL;
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diff changeset
844 static PyObject *error_str = NULL;
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diff changeset
845 static PyObject *default_str = NULL;
65624
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
846 static PyObject *always_str = NULL;
46430
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847 PyObject *action_obj = NULL;
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848 PyObject *lineno, *result;
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849
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diff changeset
850 if (!strcmp(action, "ignore")) {
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diff changeset
851 if (ignore_str == NULL) {
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diff changeset
852 ignore_str = PyUnicode_InternFromString("ignore");
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853 if (ignore_str == NULL)
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854 return NULL;
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855 }
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856 action_obj = ignore_str;
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857 }
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858 else if (!strcmp(action, "error")) {
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859 if (error_str == NULL) {
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860 error_str = PyUnicode_InternFromString("error");
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861 if (error_str == NULL)
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862 return NULL;
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863 }
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864 action_obj = error_str;
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865 }
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866 else if (!strcmp(action, "default")) {
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diff changeset
867 if (default_str == NULL) {
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868 default_str = PyUnicode_InternFromString("default");
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diff changeset
869 if (default_str == NULL)
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870 return NULL;
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871 }
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872 action_obj = default_str;
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873 }
65624
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diff changeset
874 else if (!strcmp(action, "always")) {
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
875 if (always_str == NULL) {
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
876 always_str = PyUnicode_InternFromString("always");
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
877 if (always_str == NULL)
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
878 return NULL;
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
879 }
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
880 action_obj = always_str;
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
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diff changeset
881 }
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882 else {
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883 Py_FatalError("unknown action");
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884 }
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885
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diff changeset
886 /* This assumes the line number is zero for now. */
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887 lineno = PyLong_FromLong(0);
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888 if (lineno == NULL)
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diff changeset
889 return NULL;
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diff changeset
890 result = PyTuple_Pack(5, action_obj, Py_None, category, Py_None, lineno);
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891 Py_DECREF(lineno);
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892 return result;
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893 }
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894
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diff changeset
895 static PyObject *
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diff changeset
896 init_filters(void)
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897 {
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898 /* Don't silence DeprecationWarning if -3 was used. */
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899 PyObject *filters = PyList_New(5);
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900 unsigned int pos = 0; /* Post-incremented in each use. */
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901 unsigned int x;
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902 const char *bytes_action, *resource_action;
62582
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903
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diff changeset
904 if (filters == NULL)
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diff changeset
905 return NULL;
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diff changeset
906
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907 PyList_SET_ITEM(filters, pos++,
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908 create_filter(PyExc_DeprecationWarning, "ignore"));
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909 PyList_SET_ITEM(filters, pos++,
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910 create_filter(PyExc_PendingDeprecationWarning, "ignore"));
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911 PyList_SET_ITEM(filters, pos++,
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912 create_filter(PyExc_ImportWarning, "ignore"));
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diff changeset
913 if (Py_BytesWarningFlag > 1)
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diff changeset
914 bytes_action = "error";
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diff changeset
915 else if (Py_BytesWarningFlag)
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diff changeset
916 bytes_action = "default";
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diff changeset
917 else
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diff changeset
918 bytes_action = "ignore";
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919 PyList_SET_ITEM(filters, pos++, create_filter(PyExc_BytesWarning,
46430
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diff changeset
920 bytes_action));
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921 /* resource usage warnings are enabled by default in pydebug mode */
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
922 #ifdef Py_DEBUG
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
923 resource_action = "always";
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
924 #else
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Georg Brandl <georg@python.org>
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925 resource_action = "ignore";
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
926 #endif
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
927 PyList_SET_ITEM(filters, pos++, create_filter(PyExc_ResourceWarning,
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
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diff changeset
928 resource_action));
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929 for (x = 0; x < pos; x += 1) {
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diff changeset
930 if (PyList_GET_ITEM(filters, x) == NULL) {
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931 Py_DECREF(filters);
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932 return NULL;
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diff changeset
933 }
46430
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diff changeset
934 }
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diff changeset
935
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parents:
diff changeset
936 return filters;
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diff changeset
937 }
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938
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939 static struct PyModuleDef warningsmodule = {
61467
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940 PyModuleDef_HEAD_INIT,
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941 MODULE_NAME,
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942 warnings__doc__,
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943 0,
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944 warnings_functions,
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945 NULL,
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946 NULL,
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947 NULL,
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948 NULL
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diff changeset
949 };
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parents: 47082
diff changeset
950
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951
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diff changeset
952 PyMODINIT_FUNC
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953 _PyWarnings_Init(void)
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954 {
52659
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955 PyObject *m;
46430
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diff changeset
956
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957 m = PyModule_Create(&warningsmodule);
46430
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958 if (m == NULL)
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959 return NULL;
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diff changeset
960
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diff changeset
961 _filters = init_filters();
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962 if (_filters == NULL)
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963 return NULL;
46430
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diff changeset
964 Py_INCREF(_filters);
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diff changeset
965 if (PyModule_AddObject(m, "filters", _filters) < 0)
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966 return NULL;
46430
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967
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diff changeset
968 _once_registry = PyDict_New();
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969 if (_once_registry == NULL)
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970 return NULL;
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971 Py_INCREF(_once_registry);
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972 if (PyModule_AddObject(m, "_onceregistry", _once_registry) < 0)
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973 return NULL;
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974
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975 _default_action = PyUnicode_FromString("default");
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976 if (_default_action == NULL)
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977 return NULL;
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978 if (PyModule_AddObject(m, "_defaultaction", _default_action) < 0)
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979 return NULL;
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980 return m;
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981 }