Mercurial > cpython-lru_cache-weakref

annotate Python/_warnings.c @ 73323:dad02a080bbc

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Improve byte-compilation in packaging to be independent of -O or -B. The code I fixed to comply with PEP 3147 still had one bug: When run under python -O, some paths for pyc files would be pyo, because I called imp.cache_from_source without explicit debug_override argument in some places, and under -O that would return .pyo (this is well explained in the imp docs). Now all code (util.byte_compile, build_py, install_lib) can create .pyo files according to options given by users, without interference from the calling Python’s own optimize mode. On a related topic, I also removed the code that prevented byte compilation under python -B. The rationale is that packaging gives control over the creation of pyc files to the user with its own explicit option, and the behavior should not be changed if the calling Python happens to run with -B for whatever reason. I will argue that this is a bug fix and ask to be allowed to backport this change to distutils. Finally, I moved one nugget of information about the --compile and --optimize options from the source into the doc. It clears up a misunderstanding that I (and maybe other people) had.
author Éric Araujo <merwok@netwok.org>
date Thu, 03 Nov 2011 05:08:28 +0100
parents db4aa878cea2
children 6ae8c68eb0c1
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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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65 static PyObject *
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66 get_once_registry(void)
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67 {
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68 PyObject *registry;
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69
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70 registry = get_warnings_attr("onceregistry");
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71 if (registry == NULL) {
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72 if (PyErr_Occurred())
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73 return NULL;
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74 return _once_registry;
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75 }
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76 Py_DECREF(_once_registry);
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77 _once_registry = registry;
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78 return registry;
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79 }
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80
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81
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82 static PyObject *
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83 get_default_action(void)
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84 {
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85 PyObject *default_action;
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86
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87 default_action = get_warnings_attr("defaultaction");
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88 if (default_action == NULL) {
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89 if (PyErr_Occurred()) {
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90 return NULL;
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91 }
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92 return _default_action;
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93 }
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94
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95 Py_DECREF(_default_action);
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96 _default_action = default_action;
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97 return default_action;
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98 }
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99
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100
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101 /* The item is a borrowed reference. */
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102 static const char *
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103 get_filter(PyObject *category, PyObject *text, Py_ssize_t lineno,
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104 PyObject *module, PyObject **item)
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105 {
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106 PyObject *action;
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107 Py_ssize_t i;
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108 PyObject *warnings_filters;
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109
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110 warnings_filters = get_warnings_attr("filters");
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111 if (warnings_filters == NULL) {
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112 if (PyErr_Occurred())
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113 return NULL;
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114 }
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115 else {
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116 Py_DECREF(_filters);
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117 _filters = warnings_filters;
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118 }
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119
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120 if (_filters == NULL || !PyList_Check(_filters)) {
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121 PyErr_SetString(PyExc_ValueError,
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122 MODULE_NAME ".filters must be a list");
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123 return NULL;
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124 }
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125
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126 /* _filters could change while we are iterating over it. */
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127 for (i = 0; i < PyList_GET_SIZE(_filters); i++) {
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128 PyObject *tmp_item, *action, *msg, *cat, *mod, *ln_obj;
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129 Py_ssize_t ln;
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130 int is_subclass, good_msg, good_mod;
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131
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132 tmp_item = *item = PyList_GET_ITEM(_filters, i);
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133 if (PyTuple_Size(tmp_item) != 5) {
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134 PyErr_Format(PyExc_ValueError,
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135 MODULE_NAME ".filters item %zd isn't a 5-tuple", i);
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136 return NULL;
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137 }
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138
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139 /* Python code: action, msg, cat, mod, ln = item */
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140 action = PyTuple_GET_ITEM(tmp_item, 0);
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141 msg = PyTuple_GET_ITEM(tmp_item, 1);
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142 cat = PyTuple_GET_ITEM(tmp_item, 2);
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143 mod = PyTuple_GET_ITEM(tmp_item, 3);
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144 ln_obj = PyTuple_GET_ITEM(tmp_item, 4);
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145
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146 good_msg = check_matched(msg, text);
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147 good_mod = check_matched(mod, module);
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148 is_subclass = PyObject_IsSubclass(category, cat);
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149 ln = PyLong_AsSsize_t(ln_obj);
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150 if (good_msg == -1 || good_mod == -1 || is_subclass == -1 ||
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151 (ln == -1 && PyErr_Occurred()))
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152 return NULL;
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153
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154 if (good_msg && is_subclass && good_mod && (ln == 0 || lineno == ln))
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155 return _PyUnicode_AsString(action);
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156 }
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157
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158 action = get_default_action();
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159 if (action != NULL) {
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160 return _PyUnicode_AsString(action);
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161 }
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162
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163 PyErr_SetString(PyExc_ValueError,
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164 MODULE_NAME ".defaultaction not found");
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165 return NULL;
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166 }
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167
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168
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169 static int
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170 already_warned(PyObject *registry, PyObject *key, int should_set)
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171 {
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172 PyObject *already_warned;
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173
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174 if (key == NULL)
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175 return -1;
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176
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177 already_warned = PyDict_GetItem(registry, key);
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178 if (already_warned != NULL) {
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179 int rc = PyObject_IsTrue(already_warned);
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180 if (rc != 0)
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181 return rc;
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182 }
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183
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184 /* This warning wasn't found in the registry, set it. */
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185 if (should_set)
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186 return PyDict_SetItem(registry, key, Py_True);
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187 return 0;
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188 }
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189
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190 /* New reference. */
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191 static PyObject *
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192 normalize_module(PyObject *filename)
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193 {
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194 PyObject *module;
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195 const char *mod_str;
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196 Py_ssize_t len;
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197
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198 int rc = PyObject_IsTrue(filename);
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199 if (rc == -1)
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200 return NULL;
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201 else if (rc == 0)
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202 return PyUnicode_FromString("<unknown>");
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203
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204 mod_str = _PyUnicode_AsString(filename);
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205 if (mod_str == NULL)
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206 return NULL;
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207 len = PyUnicode_GetSize(filename);
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208 if (len < 0)
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209 return NULL;
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210 if (len >= 3 &&
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211 strncmp(mod_str + (len - 3), ".py", 3) == 0) {
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212 module = PyUnicode_FromStringAndSize(mod_str, len-3);
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213 }
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214 else {
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215 module = filename;
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216 Py_INCREF(module);
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217 }
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218 return module;
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219 }
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220
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221 static int
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222 update_registry(PyObject *registry, PyObject *text, PyObject *category,
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223 int add_zero)
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224 {
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225 PyObject *altkey, *zero = NULL;
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226 int rc;
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227
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228 if (add_zero) {
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229 zero = PyLong_FromLong(0);
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230 if (zero == NULL)
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231 return -1;
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232 altkey = PyTuple_Pack(3, text, category, zero);
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233 }
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234 else
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235 altkey = PyTuple_Pack(2, text, category);
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236
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237 rc = already_warned(registry, altkey, 1);
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238 Py_XDECREF(zero);
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239 Py_XDECREF(altkey);
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240 return rc;
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241 }
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242
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243 static void
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244 show_warning(PyObject *filename, int lineno, PyObject *text, PyObject
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245 *category, PyObject *sourceline)
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246 {
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247 PyObject *f_stderr;
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248 PyObject *name;
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249 char lineno_str[128];
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250 _Py_IDENTIFIER(__name__);
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251
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252 PyOS_snprintf(lineno_str, sizeof(lineno_str), ":%d: ", lineno);
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253
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254 name = _PyObject_GetAttrId(category, &PyId___name__);
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255 if (name == NULL) /* XXX Can an object lack a '__name__' attribute? */
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256 return;
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257
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258 f_stderr = PySys_GetObject("stderr");
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259 if (f_stderr == NULL) {
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260 fprintf(stderr, "lost sys.stderr\n");
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261 Py_DECREF(name);
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262 return;
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263 }
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264
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265 /* Print "filename:lineno: category: text\n" */
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266 PyFile_WriteObject(filename, f_stderr, Py_PRINT_RAW);
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267 PyFile_WriteString(lineno_str, f_stderr);
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268 PyFile_WriteObject(name, f_stderr, Py_PRINT_RAW);
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269 PyFile_WriteString(": ", f_stderr);
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270 PyFile_WriteObject(text, f_stderr, Py_PRINT_RAW);
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271 PyFile_WriteString("\n", f_stderr);
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272 Py_XDECREF(name);
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273
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274 /* Print " source_line\n" */
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275 if (sourceline) {
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276 char *source_line_str = _PyUnicode_AsString(sourceline);
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277 if (source_line_str == NULL)
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278 return;
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279 while (*source_line_str == ' ' || *source_line_str == '\t' ||
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280 *source_line_str == '\014')
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281 source_line_str++;
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282
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283 PyFile_WriteString(source_line_str, f_stderr);
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284 PyFile_WriteString("\n", f_stderr);
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285 }
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286 else
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287 if (_Py_DisplaySourceLine(f_stderr, filename, lineno, 2) < 0)
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288 return;
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289 PyErr_Clear();
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290 }
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291
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292 static PyObject *
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293 warn_explicit(PyObject *category, PyObject *message,
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294 PyObject *filename, int lineno,
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295 PyObject *module, PyObject *registry, PyObject *sourceline)
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296 {
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297 PyObject *key = NULL, *text = NULL, *result = NULL, *lineno_obj = NULL;
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298 PyObject *item = Py_None;
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299 const char *action;
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300 int rc;
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301
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302 if (registry && !PyDict_Check(registry) && (registry != Py_None)) {
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303 PyErr_SetString(PyExc_TypeError, "'registry' must be a dict");
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304 return NULL;
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305 }
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306
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307 /* Normalize module. */
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308 if (module == NULL) {
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309 module = normalize_module(filename);
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310 if (module == NULL)
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311 return NULL;
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parents:
diff changeset
312 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
313 else
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
314 Py_INCREF(module);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
315
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
316 /* Normalize message. */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
317 Py_INCREF(message); /* DECREF'ed in cleanup. */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
318 rc = PyObject_IsInstance(message, PyExc_Warning);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
319 if (rc == -1) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
320 goto cleanup;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
321 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
322 if (rc == 1) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
323 text = PyObject_Str(message);
55293
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Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 52659
diff changeset
324 if (text == NULL)
8511c7c0d3ef Merged revisions 74046 via svnmerge from
Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
parents: 52659
diff changeset
325 goto cleanup;
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
326 category = (PyObject*)message->ob_type;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
327 }
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parents:
diff changeset
328 else {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
329 text = message;
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parents:
diff changeset
330 message = PyObject_CallFunction(category, "O", message);
48371
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diff changeset
331 if (message == NULL)
605ab6f92838 Merged revisions 64549 via svnmerge from
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parents: 47580
diff changeset
332 goto cleanup;
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
333 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
334
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
335 lineno_obj = PyLong_FromLong(lineno);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
336 if (lineno_obj == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
337 goto cleanup;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
338
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
339 /* Create key. */
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parents:
diff changeset
340 key = PyTuple_Pack(3, text, category, lineno_obj);
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parents:
diff changeset
341 if (key == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
342 goto cleanup;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
343
48371
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diff changeset
344 if ((registry != NULL) && (registry != Py_None)) {
46430
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parents:
diff changeset
345 rc = already_warned(registry, key, 0);
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parents:
diff changeset
346 if (rc == -1)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
347 goto cleanup;
61467
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diff changeset
348 else if (rc == 1)
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
349 goto return_none;
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parents:
diff changeset
350 /* Else this warning hasn't been generated before. */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
351 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
352
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
353 action = get_filter(category, text, lineno, module, &item);
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parents:
diff changeset
354 if (action == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
355 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
356
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
357 if (strcmp(action, "error") == 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
358 PyErr_SetObject(category, message);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
359 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
360 }
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
361
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
362 /* Store in the registry that we've been here, *except* when the action
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
363 is "always". */
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
364 rc = 0;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
365 if (strcmp(action, "always") != 0) {
48371
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Brett Cannon <bcannon@gmail.com>
parents: 47580
diff changeset
366 if (registry != NULL && registry != Py_None &&
605ab6f92838 Merged revisions 64549 via svnmerge from
Brett Cannon <bcannon@gmail.com>
parents: 47580
diff changeset
367 PyDict_SetItem(registry, key, Py_True) < 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
368 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
369 else if (strcmp(action, "ignore") == 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
370 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
371 else if (strcmp(action, "once") == 0) {
48371
605ab6f92838 Merged revisions 64549 via svnmerge from
Brett Cannon <bcannon@gmail.com>
parents: 47580
diff changeset
372 if (registry == NULL || registry == Py_None) {
46430
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
373 registry = get_once_registry();
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
374 if (registry == 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
375 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
376 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
377 /* _once_registry[(text, category)] = 1 */
61467
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parents: 55293
diff changeset
378 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
379 }
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
380 else if (strcmp(action, "module") == 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
381 /* registry[(text, category, 0)] = 1 */
48371
605ab6f92838 Merged revisions 64549 via svnmerge from
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diff changeset
382 if (registry != NULL && registry != Py_None)
61467
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parents: 55293
diff changeset
383 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
384 }
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
385 else if (strcmp(action, "default") != 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
386 PyObject *to_str = PyObject_Str(item);
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
387 const char *err_str = "???";
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
388
48953
3bdc46faef4d The _warnings module did not properly handle cases where strings were not being
Brett Cannon <bcannon@gmail.com>
parents: 48952
diff changeset
389 if (to_str != NULL) {
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48499
diff changeset
390 err_str = _PyUnicode_AsString(to_str);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
391 if (err_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
392 goto cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
393 }
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
394 PyErr_Format(PyExc_RuntimeError,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
395 "Unrecognized action (%s) in warnings.filters:\n %s",
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parents:
diff changeset
396 action, err_str);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
397 Py_XDECREF(to_str);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
398 goto cleanup;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
399 }
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parents:
diff changeset
400 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
401
49387
86893a397dd0 Merged revisions 66748 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 48953
diff changeset
402 if (rc == 1) /* Already warned for this module. */
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
403 goto return_none;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
404 if (rc == 0) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
405 PyObject *show_fxn = get_warnings_attr("showwarning");
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
406 if (show_fxn == NULL) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
407 if (PyErr_Occurred())
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
408 goto cleanup;
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parents:
diff changeset
409 show_warning(filename, lineno, text, category, sourceline);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
410 }
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parents:
diff changeset
411 else {
48952
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Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
412 PyObject *res;
46708
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Christian Heimes <christian@cheimes.de>
parents: 46690
diff changeset
413
71400
aaced3dcb858 Make warnings accept a callable for showwarnings instead of
Brett Cannon <brett@python.org>
parents: 71220
diff changeset
414 if (!PyCallable_Check(show_fxn)) {
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
415 PyErr_SetString(PyExc_TypeError,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
416 "warnings.showwarning() must be set to a "
71400
aaced3dcb858 Make warnings accept a callable for showwarnings instead of
Brett Cannon <brett@python.org>
parents: 71220
diff changeset
417 "callable");
48952
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
418 Py_DECREF(show_fxn);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
419 goto cleanup;
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
420 }
46708
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Christian Heimes <christian@cheimes.de>
parents: 46690
diff changeset
421
48952
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Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
422 res = PyObject_CallFunctionObjArgs(show_fxn, message, category,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
423 filename, lineno_obj,
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
424 NULL);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
425 Py_DECREF(show_fxn);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
426 Py_XDECREF(res);
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
427 if (res == NULL)
caa41e161b04 Merge in r66135. Doing also required removing a stale DeprecationWarning along
Brett Cannon <bcannon@gmail.com>
parents: 48660
diff changeset
428 goto cleanup;
46430
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diff changeset
429 }
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parents:
diff changeset
430 }
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431 else /* if (rc == -1) */
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Christian Heimes <christian@cheimes.de>
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diff changeset
432 goto cleanup;
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parents:
diff changeset
433
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Christian Heimes <christian@cheimes.de>
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diff changeset
434 return_none:
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parents:
diff changeset
435 result = Py_None;
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diff changeset
436 Py_INCREF(result);
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parents:
diff changeset
437
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diff changeset
438 cleanup:
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
439 Py_XDECREF(key);
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parents:
diff changeset
440 Py_XDECREF(text);
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parents:
diff changeset
441 Py_XDECREF(lineno_obj);
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parents:
diff changeset
442 Py_DECREF(module);
48371
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parents: 47580
diff changeset
443 Py_XDECREF(message);
46430
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diff changeset
444 return result; /* Py_None or NULL. */
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parents:
diff changeset
445 }
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parents:
diff changeset
446
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
447 /* filename, module, and registry are new refs, globals is borrowed */
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parents:
diff changeset
448 /* Returns 0 on error (no new refs), 1 on success */
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
449 static int
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diff changeset
450 setup_context(Py_ssize_t stack_level, PyObject **filename, int *lineno,
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parents:
diff changeset
451 PyObject **module, PyObject **registry)
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parents:
diff changeset
452 {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
453 PyObject *globals;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
454
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
455 /* Setup globals and lineno. */
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parents:
diff changeset
456 PyFrameObject *f = PyThreadState_GET()->frame;
46690
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Christian Heimes <christian@cheimes.de>
parents: 46665
diff changeset
457 while (--stack_level > 0 && f != NULL)
46430
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diff changeset
458 f = f->f_back;
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parents:
diff changeset
459
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
460 if (f == NULL) {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
461 globals = PyThreadState_Get()->interp->sysdict;
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parents:
diff changeset
462 *lineno = 1;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
463 }
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parents:
diff changeset
464 else {
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parents:
diff changeset
465 globals = f->f_globals;
55372
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Alexandre Vassalotti <alexandre@peadrop.com>
parents: 55293
diff changeset
466 *lineno = PyFrame_GetLineNumber(f);
46430
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parents:
diff changeset
467 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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parents:
diff changeset
468
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parents:
diff changeset
469 *module = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
470
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parents:
diff changeset
471 /* Setup registry. */
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parents:
diff changeset
472 assert(globals != NULL);
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parents:
diff changeset
473 assert(PyDict_Check(globals));
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
474 *registry = PyDict_GetItemString(globals, "__warningregistry__");
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parents:
diff changeset
475 if (*registry == NULL) {
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parents:
diff changeset
476 int rc;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
477
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
478 *registry = PyDict_New();
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 if (*registry == 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
480 return 0;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
481
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
482 rc = PyDict_SetItemString(globals, "__warningregistry__", *registry);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
483 if (rc < 0)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
484 goto handle_error;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
485 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
486 else
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
487 Py_INCREF(*registry);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
488
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
489 /* Setup module. */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
490 *module = PyDict_GetItemString(globals, "__name__");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
491 if (*module == NULL) {
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
492 *module = PyUnicode_FromString("<string>");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
493 if (*module == NULL)
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
494 goto handle_error;
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
495 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
496 else
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
497 Py_INCREF(*module);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
498
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
499 /* Setup filename. */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
500 *filename = PyDict_GetItemString(globals, "__file__");
71173
ac18e70cbe7e Issue #12467: warnings: fix a race condition if a warning is emitted at
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68489
diff changeset
501 if (*filename != NULL && PyUnicode_Check(*filename)) {
72716
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
502 Py_ssize_t len;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
503 int kind;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
504 void *data;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
505
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
506 if (PyUnicode_READY(*filename))
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
507 goto handle_error;
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
508
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
509 len = PyUnicode_GetSize(*filename);
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
510 kind = PyUnicode_KIND(*filename);
b1e5ade81097 Fix _warnings.c: make the filename string ready
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
511 data = PyUnicode_DATA(*filename);
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
512
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
513 /* if filename.lower().endswith((".pyc", ".pyo")): */
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
514 if (len >= 4 &&
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
515 PyUnicode_READ(kind, data, len-4) == '.' &&
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
516 Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-3)) == 'p' &&
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
517 Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-2)) == 'y' &&
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
518 (Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-1)) == 'c' ||
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
519 Py_UNICODE_TOLOWER(PyUnicode_READ(kind, data, len-1)) == 'o'))
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
520 {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
521 *filename = PyUnicode_Substring(*filename, 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71400
diff changeset
522 PyUnicode_GET_LENGTH(*filename)-1);
63851
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
523 if (*filename == NULL)
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
524 goto handle_error;
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
525 }
7d4425e308f7 Issue #9425: fix setup_context() for non-ascii filenames
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62582
diff changeset
526 else
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
527 Py_INCREF(*filename);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
528 }
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
529 else {
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48499
diff changeset
530 const char *module_str = _PyUnicode_AsString(*module);
71220
7eb85a23cf3d start out this branch always with filename NULL
Benjamin Peterson <benjamin@python.org>
parents: 71178
diff changeset
531 *filename = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
532 if (module_str == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 55293
diff changeset
533 goto handle_error;
48953
3bdc46faef4d The _warnings module did not properly handle cases where strings were not being
Brett Cannon <bcannon@gmail.com>
parents: 48952
diff changeset
534 if (strcmp(module_str, "__main__") == 0) {
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
535 PyObject *argv = PySys_GetObject("argv");
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
536 if (argv != NULL && PyList_Size(argv) > 0) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
537 int is_true;
46430
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
538 *filename = PyList_GetItem(argv, 0);
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents:
diff changeset
539 Py_INCREF(*filename);
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
540 /* If sys.argv[0] is false, then use '__main__'. */
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
541 is_true = PyObject_IsTrue(*filename);
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
542 if (is_true < 0) {
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
543 Py_DECREF(*filename);
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
544 goto handle_error;
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
545 }
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
546 else if (!is_true) {
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
547 Py_DECREF(*filename);
46665
c7c25cc9963d Fix merge error
Benjamin Peterson <benjamin@python.org>
parents: 46664
diff changeset
548 *filename = PyUnicode_FromString("__main__");
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46453
diff changeset
549 if (*filename == NULL)
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550 goto handle_error;
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diff changeset
551 }
46430
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552 }
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553 else {
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diff changeset
554 /* embedded interpreters don't have sys.argv, see bug #839151 */
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diff changeset
555 *filename = PyUnicode_FromString("__main__");
61467
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556 if (*filename == NULL)
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557 goto handle_error;
46430
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558 }
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559 }
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560 if (*filename == NULL) {
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561 *filename = *module;
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562 Py_INCREF(*filename);
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563 }
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564 }
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565
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566 return 1;
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567
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568 handle_error:
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569 /* filename not XDECREF'ed here as there is no way to jump here with a
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570 dangling reference. */
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diff changeset
571 Py_XDECREF(*registry);
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diff changeset
572 Py_XDECREF(*module);
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diff changeset
573 return 0;
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574 }
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575
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diff changeset
576 static PyObject *
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diff changeset
577 get_category(PyObject *message, PyObject *category)
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diff changeset
578 {
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diff changeset
579 int rc;
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580
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diff changeset
581 /* Get category. */
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582 rc = PyObject_IsInstance(message, PyExc_Warning);
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583 if (rc == -1)
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584 return NULL;
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585
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586 if (rc == 1)
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diff changeset
587 category = (PyObject*)message->ob_type;
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588 else if (category == NULL)
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589 category = PyExc_UserWarning;
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590
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591 /* Validate category. */
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592 rc = PyObject_IsSubclass(category, PyExc_Warning);
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593 if (rc == -1)
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594 return NULL;
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595 if (rc == 0) {
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596 PyErr_SetString(PyExc_ValueError,
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597 "category is not a subclass of Warning");
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598 return NULL;
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599 }
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600
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601 return category;
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602 }
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603
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diff changeset
604 static PyObject *
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605 do_warn(PyObject *message, PyObject *category, Py_ssize_t stack_level)
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606 {
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607 PyObject *filename, *module, *registry, *res;
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diff changeset
608 int lineno;
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609
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diff changeset
610 if (!setup_context(stack_level, &filename, &lineno, &module, &registry))
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611 return NULL;
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612
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613 res = warn_explicit(category, message, filename, lineno, module, registry,
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614 NULL);
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615 Py_DECREF(filename);
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diff changeset
616 Py_DECREF(registry);
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diff changeset
617 Py_DECREF(module);
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618 return res;
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619 }
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620
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diff changeset
621 static PyObject *
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622 warnings_warn(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
623 {
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diff changeset
624 static char *kw_list[] = { "message", "category", "stacklevel", 0 };
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diff changeset
625 PyObject *message, *category = NULL;
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diff changeset
626 Py_ssize_t stack_level = 1;
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627
61467
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diff changeset
628 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|On:warn", kw_list,
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diff changeset
629 &message, &category, &stack_level))
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630 return NULL;
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631
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632 category = get_category(message, category);
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633 if (category == NULL)
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634 return NULL;
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635 return do_warn(message, category, stack_level);
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636 }
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637
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diff changeset
638 static PyObject *
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639 warnings_warn_explicit(PyObject *self, PyObject *args, PyObject *kwds)
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640 {
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diff changeset
641 static char *kwd_list[] = {"message", "category", "filename", "lineno",
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642 "module", "registry", "module_globals", 0};
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643 PyObject *message;
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diff changeset
644 PyObject *category;
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645 PyObject *filename;
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diff changeset
646 int lineno;
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647 PyObject *module = NULL;
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648 PyObject *registry = NULL;
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649 PyObject *module_globals = NULL;
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650
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651 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOOi|OOO:warn_explicit",
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diff changeset
652 kwd_list, &message, &category, &filename, &lineno, &module,
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diff changeset
653 &registry, &module_globals))
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654 return NULL;
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655
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656 if (module_globals) {
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657 _Py_IDENTIFIER(get_source);
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diff changeset
658 _Py_IDENTIFIER(splitlines);
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659 PyObject *tmp;
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660 PyObject *loader;
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661 PyObject *module_name;
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662 PyObject *source;
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663 PyObject *source_list;
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664 PyObject *source_line;
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665 PyObject *returned;
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666
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667 if ((tmp = _PyUnicode_FromId(&PyId_get_source)) == NULL)
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668 return NULL;
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669 Py_DECREF(tmp);
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670 if ((tmp = _PyUnicode_FromId(&PyId_splitlines)) == NULL)
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671 return NULL;
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672 Py_DECREF(tmp);
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673
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674 /* Check/get the requisite pieces needed for the loader. */
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675 loader = PyDict_GetItemString(module_globals, "__loader__");
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676 module_name = PyDict_GetItemString(module_globals, "__name__");
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677
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678 if (loader == NULL || module_name == NULL)
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diff changeset
679 goto standard_call;
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680
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diff changeset
681 /* Make sure the loader implements the optional get_source() method. */
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682 if (!_PyObject_HasAttrId(loader, &PyId_get_source))
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diff changeset
683 goto standard_call;
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684 /* Call get_source() to get the source code. */
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685 source = PyObject_CallMethodObjArgs(loader, PyId_get_source.object,
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686 module_name, NULL);
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687 if (!source)
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688 return NULL;
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689 else if (source == Py_None) {
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690 Py_DECREF(Py_None);
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691 goto standard_call;
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692 }
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693
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diff changeset
694 /* Split the source into lines. */
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695 source_list = PyObject_CallMethodObjArgs(source,
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
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696 PyId_splitlines.object,
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diff changeset
697 NULL);
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698 Py_DECREF(source);
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699 if (!source_list)
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700 return NULL;
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701
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702 /* Get the source line. */
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703 source_line = PyList_GetItem(source_list, lineno-1);
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704 if (!source_line) {
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705 Py_DECREF(source_list);
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706 return NULL;
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707 }
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708
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709 /* Handle the warning. */
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710 returned = warn_explicit(category, message, filename, lineno, module,
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711 registry, source_line);
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712 Py_DECREF(source_list);
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713 return returned;
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714 }
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715
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diff changeset
716 standard_call:
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717 return warn_explicit(category, message, filename, lineno, module,
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718 registry, NULL);
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719 }
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720
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721
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722 /* Function to issue a warning message; may raise an exception. */
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723
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724 static int
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parents: 63851
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725 warn_unicode(PyObject *category, PyObject *message,
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726 Py_ssize_t stack_level)
46430
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727 {
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728 PyObject *res;
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729
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730 if (category == NULL)
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731 category = PyExc_RuntimeWarning;
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732
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733 res = do_warn(message, category, stack_level);
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734 if (res == NULL)
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735 return -1;
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736 Py_DECREF(res);
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737
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738 return 0;
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739 }
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740
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741 int
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742 PyErr_WarnFormat(PyObject *category, Py_ssize_t stack_level,
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743 const char *format, ...)
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744 {
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745 int ret;
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746 PyObject *message;
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747 va_list vargs;
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748
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749 #ifdef HAVE_STDARG_PROTOTYPES
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750 va_start(vargs, format);
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751 #else
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752 va_start(vargs);
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753 #endif
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754 message = PyUnicode_FromFormatV(format, vargs);
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755 if (message != NULL) {
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756 ret = warn_unicode(category, message, stack_level);
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757 Py_DECREF(message);
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758 }
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759 else
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760 ret = -1;
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diff changeset
761 va_end(vargs);
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762 return ret;
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763 }
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764
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765 int
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766 PyErr_WarnEx(PyObject *category, const char *text, Py_ssize_t stack_level)
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767 {
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diff changeset
768 int ret;
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diff changeset
769 PyObject *message = PyUnicode_FromString(text);
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parents: 63851
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770 if (message == NULL)
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parents: 63851
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771 return -1;
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772 ret = warn_unicode(category, message, stack_level);
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773 Py_DECREF(message);
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parents: 63851
diff changeset
774 return ret;
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parents: 63851
diff changeset
775 }
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776
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parents: 62393
diff changeset
777 /* PyErr_Warn is only for backwards compatibility and will be removed.
46430
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778 Use PyErr_WarnEx instead. */
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779
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780 #undef PyErr_Warn
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781
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diff changeset
782 PyAPI_FUNC(int)
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783 PyErr_Warn(PyObject *category, char *text)
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784 {
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785 return PyErr_WarnEx(category, text, 1);
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786 }
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787
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diff changeset
788 /* Warning with explicit origin */
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789 int
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diff changeset
790 PyErr_WarnExplicit(PyObject *category, const char *text,
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diff changeset
791 const char *filename_str, int lineno,
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792 const char *module_str, PyObject *registry)
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793 {
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794 PyObject *res;
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diff changeset
795 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
796 PyObject *filename = PyUnicode_DecodeFSDefault(filename_str);
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
797 PyObject *module = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
798 int ret = -1;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
799
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
800 if (message == NULL || filename == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
801 goto exit;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
802 if (module_str != NULL) {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
803 module = PyUnicode_FromString(module_str);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
804 if (module == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
805 goto exit;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
806 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
807
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
808 if (category == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
809 category = PyExc_RuntimeWarning;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
810 res = warn_explicit(category, message, filename, lineno, module, registry,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
811 NULL);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
812 if (res == NULL)
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
813 goto exit;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
814 Py_DECREF(res);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
815 ret = 0;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
816
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
817 exit:
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
818 Py_XDECREF(message);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
819 Py_XDECREF(module);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
820 Py_XDECREF(filename);
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
821 return ret;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
822 }
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
823
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
824
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
825 PyDoc_STRVAR(warn_doc,
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
826 "Issue a warning, or maybe ignore it or raise an exception.");
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
827
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
828 PyDoc_STRVAR(warn_explicit_doc,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
829 "Low-level inferface to warnings functionality.");
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
830
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
831 static PyMethodDef warnings_functions[] = {
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parents:
diff changeset
832 {"warn", (PyCFunction)warnings_warn, METH_VARARGS | METH_KEYWORDS,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
833 warn_doc},
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
834 {"warn_explicit", (PyCFunction)warnings_warn_explicit,
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
835 METH_VARARGS | METH_KEYWORDS, warn_explicit_doc},
49387
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Christian Heimes <christian@cheimes.de>
parents: 48953
diff changeset
836 /* XXX(brett.cannon): add showwarning? */
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Christian Heimes <christian@cheimes.de>
parents: 48953
diff changeset
837 /* 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
838 {NULL, NULL} /* sentinel */
46430
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
839 };
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
840
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parents:
diff changeset
841
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
842 static PyObject *
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Christian Heimes <christian@cheimes.de>
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diff changeset
843 create_filter(PyObject *category, const char *action)
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parents:
diff changeset
844 {
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
845 static PyObject *ignore_str = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
846 static PyObject *error_str = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
847 static PyObject *default_str = NULL;
65624
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
848 static PyObject *always_str = NULL;
46430
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diff changeset
849 PyObject *action_obj = NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
850 PyObject *lineno, *result;
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Christian Heimes <christian@cheimes.de>
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diff changeset
851
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
852 if (!strcmp(action, "ignore")) {
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parents:
diff changeset
853 if (ignore_str == NULL) {
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diff changeset
854 ignore_str = PyUnicode_InternFromString("ignore");
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diff changeset
855 if (ignore_str == NULL)
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Christian Heimes <christian@cheimes.de>
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diff changeset
856 return NULL;
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857 }
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diff changeset
858 action_obj = ignore_str;
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diff changeset
859 }
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diff changeset
860 else if (!strcmp(action, "error")) {
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diff changeset
861 if (error_str == NULL) {
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diff changeset
862 error_str = PyUnicode_InternFromString("error");
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863 if (error_str == NULL)
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864 return NULL;
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865 }
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diff changeset
866 action_obj = error_str;
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867 }
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Christian Heimes <christian@cheimes.de>
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diff changeset
868 else if (!strcmp(action, "default")) {
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diff changeset
869 if (default_str == NULL) {
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diff changeset
870 default_str = PyUnicode_InternFromString("default");
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871 if (default_str == NULL)
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diff changeset
872 return NULL;
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diff changeset
873 }
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diff changeset
874 action_obj = default_str;
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diff changeset
875 }
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876 else if (!strcmp(action, "always")) {
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
877 if (always_str == NULL) {
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
878 always_str = PyUnicode_InternFromString("always");
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diff changeset
879 if (always_str == NULL)
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
880 return NULL;
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
881 }
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
882 action_obj = always_str;
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diff changeset
883 }
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884 else {
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diff changeset
885 Py_FatalError("unknown action");
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886 }
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887
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diff changeset
888 /* This assumes the line number is zero for now. */
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diff changeset
889 lineno = PyLong_FromLong(0);
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diff changeset
890 if (lineno == NULL)
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diff changeset
891 return NULL;
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892 result = PyTuple_Pack(5, action_obj, Py_None, category, Py_None, lineno);
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893 Py_DECREF(lineno);
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894 return result;
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diff changeset
895 }
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896
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diff changeset
897 static PyObject *
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898 init_filters(void)
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diff changeset
899 {
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900 /* Don't silence DeprecationWarning if -3 was used. */
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901 PyObject *filters = PyList_New(5);
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902 unsigned int pos = 0; /* Post-incremented in each use. */
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903 unsigned int x;
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904 const char *bytes_action, *resource_action;
62582
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diff changeset
905
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diff changeset
906 if (filters == NULL)
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diff changeset
907 return NULL;
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diff changeset
908
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909 PyList_SET_ITEM(filters, pos++,
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910 create_filter(PyExc_DeprecationWarning, "ignore"));
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911 PyList_SET_ITEM(filters, pos++,
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912 create_filter(PyExc_PendingDeprecationWarning, "ignore"));
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913 PyList_SET_ITEM(filters, pos++,
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diff changeset
914 create_filter(PyExc_ImportWarning, "ignore"));
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diff changeset
915 if (Py_BytesWarningFlag > 1)
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diff changeset
916 bytes_action = "error";
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diff changeset
917 else if (Py_BytesWarningFlag)
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diff changeset
918 bytes_action = "default";
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diff changeset
919 else
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diff changeset
920 bytes_action = "ignore";
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921 PyList_SET_ITEM(filters, pos++, create_filter(PyExc_BytesWarning,
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diff changeset
922 bytes_action));
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923 /* resource usage warnings are enabled by default in pydebug mode */
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
924 #ifdef Py_DEBUG
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Georg Brandl <georg@python.org>
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diff changeset
925 resource_action = "always";
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
926 #else
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
927 resource_action = "ignore";
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
parents: 64438
diff changeset
928 #endif
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Georg Brandl <georg@python.org>
parents: 64438
diff changeset
929 PyList_SET_ITEM(filters, pos++, create_filter(PyExc_ResourceWarning,
39b9e9de372b Add a new warning gategory, ResourceWarning, as discussed on python-dev. It is silent by default,
Georg Brandl <georg@python.org>
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diff changeset
930 resource_action));
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931 for (x = 0; x < pos; x += 1) {
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diff changeset
932 if (PyList_GET_ITEM(filters, x) == NULL) {
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933 Py_DECREF(filters);
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934 return NULL;
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diff changeset
935 }
46430
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diff changeset
936 }
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diff changeset
937
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diff changeset
938 return filters;
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diff changeset
939 }
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diff changeset
940
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diff changeset
941 static struct PyModuleDef warningsmodule = {
61467
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942 PyModuleDef_HEAD_INIT,
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943 MODULE_NAME,
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944 warnings__doc__,
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945 0,
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946 warnings_functions,
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947 NULL,
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948 NULL,
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949 NULL,
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950 NULL
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951 };
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952
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953
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diff changeset
954 PyMODINIT_FUNC
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diff changeset
955 _PyWarnings_Init(void)
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diff changeset
956 {
52659
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957 PyObject *m;
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958
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959 m = PyModule_Create(&warningsmodule);
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960 if (m == NULL)
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961 return NULL;
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diff changeset
962
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diff changeset
963 _filters = init_filters();
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964 if (_filters == NULL)
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965 return NULL;
46430
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diff changeset
966 Py_INCREF(_filters);
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diff changeset
967 if (PyModule_AddObject(m, "filters", _filters) < 0)
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parents: 47082
diff changeset
968 return NULL;
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parents:
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969
47d9bbe10897 Merged revisions 62260-62261,62266,62271,62277-62279,62289-62290,62293-62298,62302-62306,62308,62311,62313-62315,62319-62321 via svnmerge from
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970 _once_registry = PyDict_New();
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diff changeset
971 if (_once_registry == NULL)
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972 return NULL;
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Christian Heimes <christian@cheimes.de>
parents:
diff changeset
973 Py_INCREF(_once_registry);
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diff changeset
974 if (PyModule_AddObject(m, "_onceregistry", _once_registry) < 0)
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975 return NULL;
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976
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diff changeset
977 _default_action = PyUnicode_FromString("default");
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978 if (_default_action == NULL)
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parents: 47082
diff changeset
979 return NULL;
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1b5ee6e845cd _warnings exposed two variables with the name 'default_action' and
Brett Cannon <bcannon@gmail.com>
parents: 63949
diff changeset
980 if (PyModule_AddObject(m, "_defaultaction", _default_action) < 0)
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Martin v. Löwis <martin@v.loewis.de>
parents: 47082
diff changeset
981 return NULL;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47082
diff changeset
982 return m;
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diff changeset
983 }