Mercurial > cpython-lru_cache-weakref

annotate Python/_warnings.c @ 86823:17d730d37b2f

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Issue #19410: Put back in special-casing of '' for importlib.machinery.FileFinder. While originally moved to stop special-casing '' as PathFinder farther up the typical call chain now uses the cwd in the instance of '', it was deemed an unnecessary risk to breaking subclasses of FileFinder to take the special-casing out.
author Brett Cannon <brett@python.org>
date Fri, 01 Nov 2013 10:37:57 -0400
parents 13a05ed33cf7
children 954167ce92a3
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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 PyObject*
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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 if (good_msg == -1)
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148 return NULL;
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149
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150 good_mod = check_matched(mod, module);
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151 if (good_mod == -1)
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152 return NULL;
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153
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154 is_subclass = PyObject_IsSubclass(category, cat);
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155 if (is_subclass == -1)
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156 return NULL;
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157
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158 ln = PyLong_AsSsize_t(ln_obj);
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159 if (ln == -1 && PyErr_Occurred())
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160 return NULL;
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161
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162 if (good_msg && is_subclass && good_mod && (ln == 0 || lineno == ln))
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163 return action;
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164 }
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165
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166 action = get_default_action();
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167 if (action != NULL)
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168 return action;
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169
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170 PyErr_SetString(PyExc_ValueError,
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171 MODULE_NAME ".defaultaction not found");
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172 return NULL;
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173 }
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174
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175
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176 static int
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177 already_warned(PyObject *registry, PyObject *key, int should_set)
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178 {
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179 PyObject *already_warned;
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180
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181 if (key == NULL)
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182 return -1;
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183
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184 already_warned = PyDict_GetItem(registry, key);
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185 if (already_warned != NULL) {
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186 int rc = PyObject_IsTrue(already_warned);
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187 if (rc != 0)
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188 return rc;
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189 }
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190
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191 /* This warning wasn't found in the registry, set it. */
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192 if (should_set)
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193 return PyDict_SetItem(registry, key, Py_True);
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194 return 0;
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195 }
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196
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197 /* New reference. */
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198 static PyObject *
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199 normalize_module(PyObject *filename)
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200 {
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201 PyObject *module;
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202 int kind;
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203 void *data;
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204 Py_ssize_t len;
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205
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206 len = PyUnicode_GetLength(filename);
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207 if (len < 0)
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208 return NULL;
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209
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210 if (len == 0)
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211 return PyUnicode_FromString("<unknown>");
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212
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213 kind = PyUnicode_KIND(filename);
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214 data = PyUnicode_DATA(filename);
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215
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216 /* if filename.endswith(".py"): */
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217 if (len >= 3 &&
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218 PyUnicode_READ(kind, data, len-3) == '.' &&
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219 PyUnicode_READ(kind, data, len-2) == 'p' &&
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220 PyUnicode_READ(kind, data, len-1) == 'y')
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221 {
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222 module = PyUnicode_Substring(filename, 0, len-3);
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223 }
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224 else {
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225 module = filename;
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226 Py_INCREF(module);
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227 }
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228 return module;
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229 }
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230
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231 static int
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232 update_registry(PyObject *registry, PyObject *text, PyObject *category,
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233 int add_zero)
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234 {
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235 PyObject *altkey, *zero = NULL;
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236 int rc;
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237
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238 if (add_zero) {
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239 zero = PyLong_FromLong(0);
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240 if (zero == NULL)
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241 return -1;
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242 altkey = PyTuple_Pack(3, text, category, zero);
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243 }
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244 else
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245 altkey = PyTuple_Pack(2, text, category);
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246
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247 rc = already_warned(registry, altkey, 1);
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248 Py_XDECREF(zero);
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249 Py_XDECREF(altkey);
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250 return rc;
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251 }
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252
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253 static void
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254 show_warning(PyObject *filename, int lineno, PyObject *text, PyObject
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255 *category, PyObject *sourceline)
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256 {
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257 PyObject *f_stderr;
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258 PyObject *name;
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259 char lineno_str[128];
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260 _Py_IDENTIFIER(__name__);
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261
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262 PyOS_snprintf(lineno_str, sizeof(lineno_str), ":%d: ", lineno);
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263
72848
81380082d216 Use identifier API for PyObject_GetAttrString.
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264 name = _PyObject_GetAttrId(category, &PyId___name__);
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265 if (name == NULL) /* XXX Can an object lack a '__name__' attribute? */
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266 goto error;
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267
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268 f_stderr = PySys_GetObject("stderr");
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269 if (f_stderr == NULL) {
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270 fprintf(stderr, "lost sys.stderr\n");
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271 goto error;
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272 }
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273
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274 /* Print "filename:lineno: category: text\n" */
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275 if (PyFile_WriteObject(filename, f_stderr, Py_PRINT_RAW) < 0)
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276 goto error;
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277 if (PyFile_WriteString(lineno_str, f_stderr) < 0)
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278 goto error;
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279 if (PyFile_WriteObject(name, f_stderr, Py_PRINT_RAW) < 0)
e035b4656088 Issue #19437: Fix show_warning() of _warnings, stop at the first error to not
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280 goto error;
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281 if (PyFile_WriteString(": ", f_stderr) < 0)
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282 goto error;
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283 if (PyFile_WriteObject(text, f_stderr, Py_PRINT_RAW) < 0)
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284 goto error;
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285 if (PyFile_WriteString("\n", f_stderr) < 0)
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286 goto error;
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287 Py_CLEAR(name);
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288
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289 /* Print " source_line\n" */
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290 if (sourceline) {
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291 int kind;
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292 void *data;
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293 Py_ssize_t i, len;
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294 Py_UCS4 ch;
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295 PyObject *truncated;
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296
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297 if (PyUnicode_READY(sourceline) < 1)
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298 goto error;
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299
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300 kind = PyUnicode_KIND(sourceline);
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301 data = PyUnicode_DATA(sourceline);
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302 len = PyUnicode_GET_LENGTH(sourceline);
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303 for (i=0; i<len; i++) {
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304 ch = PyUnicode_READ(kind, data, i);
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305 if (ch != ' ' && ch != '\t' && ch != '\014')
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306 break;
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307 }
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308
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309 truncated = PyUnicode_Substring(sourceline, i, len);
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310 if (truncated == NULL)
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
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311 goto error;
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diff changeset
312
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
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313 PyFile_WriteObject(sourceline, f_stderr, Py_PRINT_RAW);
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314 Py_DECREF(truncated);
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315 PyFile_WriteString("\n", f_stderr);
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316 }
84649
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317 else {
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parents: 83687
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318 _Py_DisplaySourceLine(f_stderr, filename, lineno, 2);
9213313b1a6f Issue #18408: Fix show_warning(), clear also the exception raised by
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319 }
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320
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
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321 error:
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322 Py_XDECREF(name);
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323 PyErr_Clear();
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324 }
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325
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326 static PyObject *
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327 warn_explicit(PyObject *category, PyObject *message,
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328 PyObject *filename, int lineno,
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329 PyObject *module, PyObject *registry, PyObject *sourceline)
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330 {
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331 PyObject *key = NULL, *text = NULL, *result = NULL, *lineno_obj = NULL;
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332 PyObject *item = Py_None;
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333 PyObject *action;
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334 int rc;
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335
86816
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
336 /* module can be None if a warning is emitted late during Python shutdown.
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
337 In this case, the Python warnings module was probably unloaded, filters
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
338 are no more available to choose as action. It is safer to ignore the
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
339 warning and do nothing. */
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
340 if (module == Py_None)
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
341 Py_RETURN_NONE;
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
342
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343 if (registry && !PyDict_Check(registry) && (registry != Py_None)) {
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diff changeset
344 PyErr_SetString(PyExc_TypeError, "'registry' must be a dict");
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diff changeset
345 return NULL;
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diff changeset
346 }
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347
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348 /* Normalize module. */
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349 if (module == NULL) {
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parents:
diff changeset
350 module = normalize_module(filename);
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351 if (module == NULL)
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352 return NULL;
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diff changeset
353 }
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354 else
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355 Py_INCREF(module);
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356
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diff changeset
357 /* Normalize message. */
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358 Py_INCREF(message); /* DECREF'ed in cleanup. */
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359 rc = PyObject_IsInstance(message, PyExc_Warning);
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diff changeset
360 if (rc == -1) {
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361 goto cleanup;
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362 }
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363 if (rc == 1) {
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parents:
diff changeset
364 text = PyObject_Str(message);
55293
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Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 52659
diff changeset
365 if (text == NULL)
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Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 52659
diff changeset
366 goto cleanup;
46430
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parents:
diff changeset
367 category = (PyObject*)message->ob_type;
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368 }
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diff changeset
369 else {
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diff changeset
370 text = message;
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371 message = PyObject_CallFunction(category, "O", message);
48371
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diff changeset
372 if (message == NULL)
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diff changeset
373 goto cleanup;
46430
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diff changeset
374 }
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diff changeset
375
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diff changeset
376 lineno_obj = PyLong_FromLong(lineno);
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diff changeset
377 if (lineno_obj == NULL)
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parents:
diff changeset
378 goto cleanup;
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parents:
diff changeset
379
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diff changeset
380 /* Create key. */
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diff changeset
381 key = PyTuple_Pack(3, text, category, lineno_obj);
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diff changeset
382 if (key == NULL)
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parents:
diff changeset
383 goto cleanup;
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parents:
diff changeset
384
48371
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385 if ((registry != NULL) && (registry != Py_None)) {
46430
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parents:
diff changeset
386 rc = already_warned(registry, key, 0);
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diff changeset
387 if (rc == -1)
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parents:
diff changeset
388 goto cleanup;
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parents: 55293
diff changeset
389 else if (rc == 1)
46430
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parents:
diff changeset
390 goto return_none;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
391 /* Else this warning hasn't been generated before. */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
392 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
393
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
394 action = get_filter(category, text, lineno, module, &item);
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parents:
diff changeset
395 if (action == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
396 goto cleanup;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
397
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
398 if (PyUnicode_CompareWithASCIIString(action, "error") == 0) {
46430
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parents:
diff changeset
399 PyErr_SetObject(category, message);
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parents:
diff changeset
400 goto cleanup;
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parents:
diff changeset
401 }
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parents:
diff changeset
402
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parents:
diff changeset
403 /* Store in the registry that we've been here, *except* when the action
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parents:
diff changeset
404 is "always". */
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parents:
diff changeset
405 rc = 0;
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
406 if (PyUnicode_CompareWithASCIIString(action, "always") != 0) {
48371
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diff changeset
407 if (registry != NULL && registry != Py_None &&
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diff changeset
408 PyDict_SetItem(registry, key, Py_True) < 0)
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
409 goto cleanup;
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
410 else if (PyUnicode_CompareWithASCIIString(action, "ignore") == 0)
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
411 goto return_none;
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
412 else if (PyUnicode_CompareWithASCIIString(action, "once") == 0) {
48371
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diff changeset
413 if (registry == NULL || registry == Py_None) {
46430
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parents:
diff changeset
414 registry = get_once_registry();
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parents:
diff changeset
415 if (registry == NULL)
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parents:
diff changeset
416 goto cleanup;
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parents:
diff changeset
417 }
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diff changeset
418 /* _once_registry[(text, category)] = 1 */
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diff changeset
419 rc = update_registry(registry, text, category, 0);
46430
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parents:
diff changeset
420 }
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
421 else if (PyUnicode_CompareWithASCIIString(action, "module") == 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
422 /* registry[(text, category, 0)] = 1 */
48371
605ab6f92838 Merged revisions 64549 via svnmerge from
Brett Cannon <bcannon@gmail.com>
parents: 47580
diff changeset
423 if (registry != NULL && registry != Py_None)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
424 rc = update_registry(registry, text, category, 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
425 }
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
426 else if (PyUnicode_CompareWithASCIIString(action, "default") != 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
427 PyErr_Format(PyExc_RuntimeError,
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
428 "Unrecognized action (%R) in warnings.filters:\n %R",
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
Victor Stinner <victor.stinner@gmail.com>
parents: 86702
diff changeset
429 action, item);
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
430 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
431 }
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
432 }
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
433
49387
86893a397dd0 Merged revisions 66748 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 48953
diff changeset
434 if (rc == 1) /* Already warned for this module. */
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
435 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
436 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
437 PyObject *show_fxn = get_warnings_attr("showwarning");
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
438 if (show_fxn == 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
439 if (PyErr_Occurred())
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
440 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
441 show_warning(filename, lineno, text, category, sourceline);
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
442 }
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
443 else {
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
444 PyObject *res;
46708
74b9c85361f8 Merged revisions 62774-62775,62785,62787-62788 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46690
diff changeset
445
71400
aaced3dcb858 Make warnings accept a callable for showwarnings instead of
Brett Cannon <brett@python.org>
parents: 71220
diff changeset
446 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
447 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
448 "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
449 "callable");
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
450 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
451 goto cleanup;
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
452 }
46708
74b9c85361f8 Merged revisions 62774-62775,62785,62787-62788 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46690
diff changeset
453
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
454 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
455 filename, lineno_obj,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
456 NULL);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
457 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
458 Py_XDECREF(res);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
459 if (res == NULL)
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
460 goto cleanup;
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
461 }
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
462 }
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
463 else /* if (rc == -1) */
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
464 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
465
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
466 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
467 result = Py_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
468 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
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
469
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
470 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
471 Py_XDECREF(key);
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 Py_XDECREF(text);
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 Py_XDECREF(lineno_obj);
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 Py_DECREF(module);
48371
605ab6f92838 Merged revisions 64549 via svnmerge from
Brett Cannon <bcannon@gmail.com>
parents: 47580
diff changeset
475 Py_XDECREF(message);
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
476 return result; /* Py_None or 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
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
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
479 /* filename, module, and registry are new refs, globals is borrowed */
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
480 /* Returns 0 on error (no new refs), 1 on success */
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 static int
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 setup_context(Py_ssize_t stack_level, PyObject **filename, int *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
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
483 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
484 {
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 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
486
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 /* 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
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
488 PyFrameObject *f = PyThreadState_GET()->frame;
46690
c82f63efbc40 Merged revisions 62713,62715,62728,62737,62740,62744,62749,62756 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46665
diff changeset
489 while (--stack_level > 0 && f != NULL)
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
490 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
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
491
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 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
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
493 globals = PyThreadState_Get()->interp->sysdict;
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 *lineno = 1;
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 globals = f->f_globals;
55372
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55293
diff changeset
498 *lineno = PyFrame_GetLineNumber(f);
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
499 }
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
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
501 *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
502
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
503 /* 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
504 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
505 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
506 *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
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
507 if (*registry == NULL) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
508 int rc;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
509
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
510 *registry = PyDict_New();
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
511 if (*registry == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
512 return 0;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
513
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
514 rc = PyDict_SetItemString(globals, "__warningregistry__", *registry);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
515 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
516 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
517 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
518 else
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
519 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
520
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
521 /* Setup module. */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
522 *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
523 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
524 *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
525 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
526 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
527 }
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 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
529 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
530
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
531 /* 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
532 *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
533 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
534 Py_ssize_t len;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
535 int kind;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
536 void *data;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
537
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
538 if (PyUnicode_READY(*filename))
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
539 goto handle_error;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
540
73655
2e37fc70e2dd Fix misuse of PyUnicode_GET_SIZE() => PyUnicode_GET_LENGTH()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 73457
diff changeset
541 len = PyUnicode_GetLength(*filename);
72716
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
542 kind = PyUnicode_KIND(*filename);
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
543 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
544
74341
c2153ce1b5dd remove some usage of Py_UNICODE_TOUPPER/LOWER
Benjamin Peterson <benjamin@python.org>
parents: 73913
diff changeset
545 #define ascii_lower(c) ((c <= 127) ? Py_TOLOWER(c) : 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
546 /* 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
547 if (len >= 4 &&
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
548 PyUnicode_READ(kind, data, len-4) == '.' &&
74341
c2153ce1b5dd remove some usage of Py_UNICODE_TOUPPER/LOWER
Benjamin Peterson <benjamin@python.org>
parents: 73913
diff changeset
549 ascii_lower(PyUnicode_READ(kind, data, len-3)) == 'p' &&
c2153ce1b5dd remove some usage of Py_UNICODE_TOUPPER/LOWER
Benjamin Peterson <benjamin@python.org>
parents: 73913
diff changeset
550 ascii_lower(PyUnicode_READ(kind, data, len-2)) == 'y' &&
c2153ce1b5dd remove some usage of Py_UNICODE_TOUPPER/LOWER
Benjamin Peterson <benjamin@python.org>
parents: 73913
diff changeset
551 (ascii_lower(PyUnicode_READ(kind, data, len-1)) == 'c' ||
c2153ce1b5dd remove some usage of Py_UNICODE_TOUPPER/LOWER
Benjamin Peterson <benjamin@python.org>
parents: 73913
diff changeset
552 ascii_lower(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
553 {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
554 *filename = PyUnicode_Substring(*filename, 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
555 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
556 if (*filename == NULL)
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
557 goto handle_error;
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
558 }
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
559 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
560 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
561 }
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
562 else {
71220
7eb85a23cf3d start out this branch always with filename NULL
Benjamin Peterson <benjamin@python.org>
parents: 71178
diff changeset
563 *filename = NULL;
86771
1787277915e9 Issue #19442: Fix warnings emitted during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86769
diff changeset
564 if (*module != Py_None && PyUnicode_CompareWithASCIIString(*module, "__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
565 PyObject *argv = PySys_GetObject("argv");
86702
1bbedfb20932 Issue #19421: fix a check in warnings.warn() to be able to use it during Python
Victor Stinner <victor.stinner@gmail.com>
parents: 85417
diff changeset
566 /* PyList_Check() is needed because sys.argv is set to None during
1bbedfb20932 Issue #19421: fix a check in warnings.warn() to be able to use it during Python
Victor Stinner <victor.stinner@gmail.com>
parents: 85417
diff changeset
567 Python finalization */
1bbedfb20932 Issue #19421: fix a check in warnings.warn() to be able to use it during Python
Victor Stinner <victor.stinner@gmail.com>
parents: 85417
diff changeset
568 if (argv != NULL && PyList_Check(argv) && 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
569 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
570 *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
571 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
572 /* 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
573 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
574 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
575 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
576 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
577 }
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
578 else if (!is_true) {
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diff changeset
579 Py_DECREF(*filename);
46665
c7c25cc9963d Fix merge error
Benjamin Peterson <benjamin@python.org>
parents: 46664
diff changeset
580 *filename = PyUnicode_FromString("__main__");
46664
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diff changeset
581 if (*filename == NULL)
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parents: 46453
diff changeset
582 goto handle_error;
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parents: 46453
diff changeset
583 }
46430
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diff changeset
584 }
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diff changeset
585 else {
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diff changeset
586 /* embedded interpreters don't have sys.argv, see bug #839151 */
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diff changeset
587 *filename = PyUnicode_FromString("__main__");
86771
1787277915e9 Issue #19442: Fix warnings emitted during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86769
diff changeset
588 if (*filename == NULL)
1787277915e9 Issue #19442: Fix warnings emitted during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86769
diff changeset
589 goto handle_error;
46430
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diff changeset
590 }
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591 }
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592 if (*filename == NULL) {
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diff changeset
593 *filename = *module;
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diff changeset
594 Py_INCREF(*filename);
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diff changeset
595 }
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596 }
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597
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598 return 1;
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599
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diff changeset
600 handle_error:
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diff changeset
601 /* filename not XDECREF'ed here as there is no way to jump here with a
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diff changeset
602 dangling reference. */
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diff changeset
603 Py_XDECREF(*registry);
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diff changeset
604 Py_XDECREF(*module);
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diff changeset
605 return 0;
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606 }
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607
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diff changeset
608 static PyObject *
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609 get_category(PyObject *message, PyObject *category)
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diff changeset
610 {
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diff changeset
611 int rc;
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612
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diff changeset
613 /* Get category. */
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614 rc = PyObject_IsInstance(message, PyExc_Warning);
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diff changeset
615 if (rc == -1)
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616 return NULL;
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diff changeset
617
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618 if (rc == 1)
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diff changeset
619 category = (PyObject*)message->ob_type;
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diff changeset
620 else if (category == NULL)
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diff changeset
621 category = PyExc_UserWarning;
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622
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623 /* Validate category. */
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624 rc = PyObject_IsSubclass(category, PyExc_Warning);
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625 if (rc == -1)
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626 return NULL;
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627 if (rc == 0) {
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diff changeset
628 PyErr_SetString(PyExc_ValueError,
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629 "category is not a subclass of Warning");
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630 return NULL;
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631 }
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632
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633 return category;
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634 }
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635
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diff changeset
636 static PyObject *
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637 do_warn(PyObject *message, PyObject *category, Py_ssize_t stack_level)
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diff changeset
638 {
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diff changeset
639 PyObject *filename, *module, *registry, *res;
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diff changeset
640 int lineno;
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641
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diff changeset
642 if (!setup_context(stack_level, &filename, &lineno, &module, &registry))
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643 return NULL;
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644
86816
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
645 res = warn_explicit(category, message, filename, lineno, module, registry,
13a05ed33cf7 Close #19442: warn_explicit() does nothing when called late during Python shutdown
Victor Stinner <victor.stinner@gmail.com>
parents: 86802
diff changeset
646 NULL);
46430
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647 Py_DECREF(filename);
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diff changeset
648 Py_DECREF(registry);
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649 Py_DECREF(module);
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650 return res;
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diff changeset
651 }
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diff changeset
652
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
653 static PyObject *
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parents:
diff changeset
654 warnings_warn(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
655 {
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diff changeset
656 static char *kw_list[] = { "message", "category", "stacklevel", 0 };
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diff changeset
657 PyObject *message, *category = NULL;
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diff changeset
658 Py_ssize_t stack_level = 1;
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659
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
660 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|On:warn", kw_list,
46430
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diff changeset
661 &message, &category, &stack_level))
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diff changeset
662 return NULL;
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diff changeset
663
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diff changeset
664 category = get_category(message, category);
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diff changeset
665 if (category == NULL)
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diff changeset
666 return NULL;
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diff changeset
667 return do_warn(message, category, stack_level);
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diff changeset
668 }
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diff changeset
669
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diff changeset
670 static PyObject *
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671 warnings_warn_explicit(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
672 {
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673 static char *kwd_list[] = {"message", "category", "filename", "lineno",
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674 "module", "registry", "module_globals", 0};
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diff changeset
675 PyObject *message;
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676 PyObject *category;
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diff changeset
677 PyObject *filename;
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diff changeset
678 int lineno;
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679 PyObject *module = NULL;
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680 PyObject *registry = NULL;
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681 PyObject *module_globals = NULL;
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diff changeset
682
86769
c7326aa0b69c Issue #19424: Fix the warnings module to accept filename containing surrogate
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parents: 86702
diff changeset
683 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOUi|OOO:warn_explicit",
46430
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diff changeset
684 kwd_list, &message, &category, &filename, &lineno, &module,
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diff changeset
685 &registry, &module_globals))
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diff changeset
686 return NULL;
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687
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diff changeset
688 if (module_globals) {
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
689 _Py_IDENTIFIER(get_source);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
690 _Py_IDENTIFIER(splitlines);
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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diff changeset
691 PyObject *tmp;
46430
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diff changeset
692 PyObject *loader;
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693 PyObject *module_name;
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694 PyObject *source;
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695 PyObject *source_list;
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696 PyObject *source_line;
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697 PyObject *returned;
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698
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parents: 72925
diff changeset
699 if ((tmp = _PyUnicode_FromId(&PyId_get_source)) == NULL)
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
700 return NULL;
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
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701 if ((tmp = _PyUnicode_FromId(&PyId_splitlines)) == NULL)
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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diff changeset
702 return NULL;
46430
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diff changeset
703
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704 /* Check/get the requisite pieces needed for the loader. */
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705 loader = PyDict_GetItemString(module_globals, "__loader__");
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706 module_name = PyDict_GetItemString(module_globals, "__name__");
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707
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diff changeset
708 if (loader == NULL || module_name == NULL)
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diff changeset
709 goto standard_call;
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diff changeset
710
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diff changeset
711 /* Make sure the loader implements the optional get_source() method. */
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db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
712 if (!_PyObject_HasAttrId(loader, &PyId_get_source))
46430
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diff changeset
713 goto standard_call;
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diff changeset
714 /* Call get_source() to get the source code. */
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
715 source = PyObject_CallMethodObjArgs(loader, PyId_get_source.object,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
716 module_name, NULL);
46430
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diff changeset
717 if (!source)
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718 return NULL;
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diff changeset
719 else if (source == Py_None) {
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diff changeset
720 Py_DECREF(Py_None);
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diff changeset
721 goto standard_call;
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722 }
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723
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diff changeset
724 /* 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
725 source_list = PyObject_CallMethodObjArgs(source,
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
726 PyId_splitlines.object,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
727 NULL);
46430
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diff changeset
728 Py_DECREF(source);
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diff changeset
729 if (!source_list)
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diff changeset
730 return NULL;
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731
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diff changeset
732 /* Get the source line. */
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diff changeset
733 source_line = PyList_GetItem(source_list, lineno-1);
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diff changeset
734 if (!source_line) {
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diff changeset
735 Py_DECREF(source_list);
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736 return NULL;
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737 }
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738
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parents:
diff changeset
739 /* Handle the warning. */
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diff changeset
740 returned = warn_explicit(category, message, filename, lineno, module,
85417
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parents: 84649
diff changeset
741 registry, source_line);
46430
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diff changeset
742 Py_DECREF(source_list);
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diff changeset
743 return returned;
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parents:
diff changeset
744 }
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745
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diff changeset
746 standard_call:
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parents:
diff changeset
747 return warn_explicit(category, message, filename, lineno, module,
85417
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parents: 84649
diff changeset
748 registry, NULL);
46430
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749 }
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750
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751
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diff changeset
752 /* Function to issue a warning message; may raise an exception. */
63949
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753
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Victor Stinner <victor.stinner@haypocalc.com>
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diff changeset
754 static int
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
755 warn_unicode(PyObject *category, PyObject *message,
fa2d9720a66c Issue #9425: Create PyErr_WarnFormat() function
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parents: 63851
diff changeset
756 Py_ssize_t stack_level)
46430
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757 {
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758 PyObject *res;
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759
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diff changeset
760 if (category == NULL)
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761 category = PyExc_RuntimeWarning;
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762
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763 res = do_warn(message, category, stack_level);
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764 if (res == NULL)
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765 return -1;
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766 Py_DECREF(res);
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767
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768 return 0;
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769 }
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770
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771 int
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772 PyErr_WarnFormat(PyObject *category, Py_ssize_t stack_level,
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773 const char *format, ...)
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774 {
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775 int ret;
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776 PyObject *message;
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777 va_list vargs;
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778
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779 #ifdef HAVE_STDARG_PROTOTYPES
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780 va_start(vargs, format);
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781 #else
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diff changeset
782 va_start(vargs);
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783 #endif
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784 message = PyUnicode_FromFormatV(format, vargs);
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
785 if (message != NULL) {
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parents: 63851
diff changeset
786 ret = warn_unicode(category, message, stack_level);
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
787 Py_DECREF(message);
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parents: 63851
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788 }
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parents: 63851
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789 else
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diff changeset
790 ret = -1;
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diff changeset
791 va_end(vargs);
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diff changeset
792 return ret;
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Victor Stinner <victor.stinner@haypocalc.com>
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diff changeset
793 }
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parents: 63851
diff changeset
794
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
795 int
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parents: 63851
diff changeset
796 PyErr_WarnEx(PyObject *category, const char *text, Py_ssize_t stack_level)
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
797 {
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parents: 63851
diff changeset
798 int ret;
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parents: 63851
diff changeset
799 PyObject *message = PyUnicode_FromString(text);
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
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800 if (message == NULL)
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
801 return -1;
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parents: 63851
diff changeset
802 ret = warn_unicode(category, message, stack_level);
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parents: 63851
diff changeset
803 Py_DECREF(message);
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
804 return ret;
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 63851
diff changeset
805 }
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parents: 63851
diff changeset
806
68488
0991b40e895d #11515: fix several typos. Patch by Piotr Kasprzyk.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 62393
diff changeset
807 /* PyErr_Warn is only for backwards compatibility and will be removed.
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diff changeset
808 Use PyErr_WarnEx instead. */
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809
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diff changeset
810 #undef PyErr_Warn
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811
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diff changeset
812 PyAPI_FUNC(int)
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diff changeset
813 PyErr_Warn(PyObject *category, char *text)
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814 {
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815 return PyErr_WarnEx(category, text, 1);
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816 }
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817
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diff changeset
818 /* Warning with explicit origin */
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diff changeset
819 int
85417
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parents: 84649
diff changeset
820 PyErr_WarnExplicitObject(PyObject *category, PyObject *message,
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parents: 84649
diff changeset
821 PyObject *filename, int lineno,
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Victor Stinner <victor.stinner@gmail.com>
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diff changeset
822 PyObject *module, PyObject *registry)
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parents: 84649
diff changeset
823 {
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parents: 84649
diff changeset
824 PyObject *res;
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parents: 84649
diff changeset
825 if (category == NULL)
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parents: 84649
diff changeset
826 category = PyExc_RuntimeWarning;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
827 res = warn_explicit(category, message, filename, lineno,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
828 module, registry, NULL);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
829 if (res == NULL)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
830 return -1;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
831 Py_DECREF(res);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
832 return 0;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
833 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
834
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
835 int
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
836 PyErr_WarnExplicit(PyObject *category, const char *text,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
837 const char *filename_str, int lineno,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
838 const char *module_str, PyObject *registry)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
839 {
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
840 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
841 PyObject *filename = PyUnicode_DecodeFSDefault(filename_str);
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
842 PyObject *module = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
843 int ret = -1;
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parents:
diff changeset
844
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
845 if (message == NULL || filename == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
846 goto exit;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
847 if (module_str != NULL) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
848 module = PyUnicode_FromString(module_str);
83687
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
849 if (module == NULL)
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
850 goto exit;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
851 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
852
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
853 ret = PyErr_WarnExplicitObject(category, message, filename, lineno,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84649
diff changeset
854 module, registry);
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
855
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
856 exit:
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
857 Py_XDECREF(message);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
858 Py_XDECREF(module);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
859 Py_XDECREF(filename);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
860 return ret;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
861 }
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parents:
diff changeset
862
83687
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
863 int
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
864 PyErr_WarnExplicitFormat(PyObject *category,
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
865 const char *filename_str, int lineno,
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
866 const char *module_str, PyObject *registry,
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
867 const char *format, ...)
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
868 {
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
869 PyObject *message;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
870 PyObject *module = NULL;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
871 PyObject *filename = PyUnicode_DecodeFSDefault(filename_str);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
872 int ret = -1;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
873 va_list vargs;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
874
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
875 if (filename == NULL)
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
876 goto exit;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
877 if (module_str != NULL) {
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
878 module = PyUnicode_FromString(module_str);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
879 if (module == NULL)
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
880 goto exit;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
881 }
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
882
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
883 #ifdef HAVE_STDARG_PROTOTYPES
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
884 va_start(vargs, format);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
885 #else
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
886 va_start(vargs);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
887 #endif
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
888 message = PyUnicode_FromFormatV(format, vargs);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
889 if (message != NULL) {
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
890 PyObject *res;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
891 res = warn_explicit(category, message, filename, lineno,
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
892 module, registry, NULL);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
893 Py_DECREF(message);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
894 if (res != NULL) {
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
895 Py_DECREF(res);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
896 ret = 0;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
897 }
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
898 }
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
899 va_end(vargs);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
900 exit:
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
901 Py_XDECREF(module);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
902 Py_XDECREF(filename);
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
903 return ret;
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
904 }
8a5bebea9fec Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable.
Antoine Pitrou <solipsis@pitrou.net>
parents: 74510
diff changeset
905
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parents:
diff changeset
906
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
907 PyDoc_STRVAR(warn_doc,
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parents:
diff changeset
908 "Issue a warning, or maybe ignore it or raise an exception.");
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parents:
diff changeset
909
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parents:
diff changeset
910 PyDoc_STRVAR(warn_explicit_doc,
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diff changeset
911 "Low-level inferface to warnings functionality.");
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parents:
diff changeset
912
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parents:
diff changeset
913 static PyMethodDef warnings_functions[] = {
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parents:
diff changeset
914 {"warn", (PyCFunction)warnings_warn, METH_VARARGS | METH_KEYWORDS,
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diff changeset
915 warn_doc},
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parents:
diff changeset
916 {"warn_explicit", (PyCFunction)warnings_warn_explicit,
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parents:
diff changeset
917 METH_VARARGS | METH_KEYWORDS, warn_explicit_doc},
49387
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parents: 48953
diff changeset
918 /* XXX(brett.cannon): add showwarning? */
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parents: 48953
diff changeset
919 /* XXX(brett.cannon): Reasonable to add formatwarning? */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
920 {NULL, NULL} /* sentinel */
46430
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parents:
diff changeset
921 };
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
922
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diff changeset
923
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diff changeset
924 static PyObject *
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925 create_filter(PyObject *category, const char *action)
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diff changeset
926 {
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diff changeset
927 static PyObject *ignore_str = NULL;
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diff changeset
928 static PyObject *error_str = NULL;
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diff changeset
929 static PyObject *default_str = NULL;
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930 static PyObject *always_str = NULL;
46430
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diff changeset
931 PyObject *action_obj = NULL;
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diff changeset
932 PyObject *lineno, *result;
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diff changeset
933
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diff changeset
934 if (!strcmp(action, "ignore")) {
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diff changeset
935 if (ignore_str == NULL) {
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diff changeset
936 ignore_str = PyUnicode_InternFromString("ignore");
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937 if (ignore_str == NULL)
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diff changeset
938 return NULL;
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diff changeset
939 }
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diff changeset
940 action_obj = ignore_str;
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diff changeset
941 }
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diff changeset
942 else if (!strcmp(action, "error")) {
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diff changeset
943 if (error_str == NULL) {
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944 error_str = PyUnicode_InternFromString("error");
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diff changeset
945 if (error_str == NULL)
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diff changeset
946 return NULL;
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947 }
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diff changeset
948 action_obj = error_str;
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949 }
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950 else if (!strcmp(action, "default")) {
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951 if (default_str == NULL) {
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diff changeset
952 default_str = PyUnicode_InternFromString("default");
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diff changeset
953 if (default_str == NULL)
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954 return NULL;
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955 }
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diff changeset
956 action_obj = default_str;
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957 }
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958 else if (!strcmp(action, "always")) {
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959 if (always_str == NULL) {
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960 always_str = PyUnicode_InternFromString("always");
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961 if (always_str == NULL)
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962 return NULL;
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diff changeset
963 }
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964 action_obj = always_str;
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965 }
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diff changeset
966 else {
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diff changeset
967 Py_FatalError("unknown action");
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968 }
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diff changeset
969
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diff changeset
970 /* This assumes the line number is zero for now. */
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diff changeset
971 lineno = PyLong_FromLong(0);
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diff changeset
972 if (lineno == NULL)
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diff changeset
973 return NULL;
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diff changeset
974 result = PyTuple_Pack(5, action_obj, Py_None, category, Py_None, lineno);
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diff changeset
975 Py_DECREF(lineno);
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diff changeset
976 return result;
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977 }
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diff changeset
978
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diff changeset
979 static PyObject *
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diff changeset
980 init_filters(void)
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981 {
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982 PyObject *filters = PyList_New(5);
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983 unsigned int pos = 0; /* Post-incremented in each use. */
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984 unsigned int x;
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985 const char *bytes_action, *resource_action;
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986
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987 if (filters == NULL)
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988 return NULL;
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diff changeset
989
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990 PyList_SET_ITEM(filters, pos++,
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991 create_filter(PyExc_DeprecationWarning, "ignore"));
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992 PyList_SET_ITEM(filters, pos++,
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993 create_filter(PyExc_PendingDeprecationWarning, "ignore"));
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994 PyList_SET_ITEM(filters, pos++,
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995 create_filter(PyExc_ImportWarning, "ignore"));
46430
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diff changeset
996 if (Py_BytesWarningFlag > 1)
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diff changeset
997 bytes_action = "error";
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998 else if (Py_BytesWarningFlag)
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999 bytes_action = "default";
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1000 else
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1001 bytes_action = "ignore";
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1002 PyList_SET_ITEM(filters, pos++, create_filter(PyExc_BytesWarning,
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1003 bytes_action));
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1004 /* resource usage warnings are enabled by default in pydebug mode */
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1005 #ifdef Py_DEBUG
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1006 resource_action = "always";
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1007 #else
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1008 resource_action = "ignore";
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1009 #endif
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1010 PyList_SET_ITEM(filters, pos++, create_filter(PyExc_ResourceWarning,
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1011 resource_action));
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1012 for (x = 0; x < pos; x += 1) {
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1013 if (PyList_GET_ITEM(filters, x) == NULL) {
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1014 Py_DECREF(filters);
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1015 return NULL;
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1016 }
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1017 }
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1018
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1019 return filters;
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1020 }
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1021
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1022 static struct PyModuleDef warningsmodule = {
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1023 PyModuleDef_HEAD_INIT,
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1024 MODULE_NAME,
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1025 warnings__doc__,
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1026 0,
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1027 warnings_functions,
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1028 NULL,
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1029 NULL,
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1030 NULL,
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1031 NULL
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1032 };
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1033
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1034
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1035 PyMODINIT_FUNC
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1036 _PyWarnings_Init(void)
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1037 {
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1038 PyObject *m;
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1039
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1040 m = PyModule_Create(&warningsmodule);
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1041 if (m == NULL)
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1042 return NULL;
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1043
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1044 if (_filters == NULL) {
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1045 _filters = init_filters();
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1046 if (_filters == NULL)
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1047 return NULL;
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1048 }
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1049 Py_INCREF(_filters);
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1050 if (PyModule_AddObject(m, "filters", _filters) < 0)
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1051 return NULL;
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1052
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1053 if (_once_registry == NULL) {
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1054 _once_registry = PyDict_New();
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1055 if (_once_registry == NULL)
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1056 return NULL;
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1057 }
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1058 Py_INCREF(_once_registry);
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1059 if (PyModule_AddObject(m, "_onceregistry", _once_registry) < 0)
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1060 return NULL;
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1061
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1062 if (_default_action == NULL) {
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1063 _default_action = PyUnicode_FromString("default");
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1064 if (_default_action == NULL)
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1065 return NULL;
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1066 }
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1067 Py_INCREF(_default_action);
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1068 if (PyModule_AddObject(m, "_defaultaction", _default_action) < 0)
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1069 return NULL;
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1070 return m;
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1071 }