annotate Python/_warnings.c @ 47321:fcd456ae515b legacy-trunk

turn PyErr_WarnPy3k into a macro
author Benjamin Peterson <benjamin@python.org>
date Mon, 26 May 2008 17:43:53 +0000
parents 4fe192d48960
children 52294af4b663
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include "Python.h"
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2 #include "frameobject.h"
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3
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4 #define MODULE_NAME "_warnings"
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5 #define DEFAULT_ACTION_NAME "default_action"
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6
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7 PyDoc_STRVAR(warnings__doc__,
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8 MODULE_NAME " provides basic warning filtering support.\n"
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9 "It is a helper module to speed up interpreter start-up.");
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10
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11 /* Both 'filters' and 'onceregistry' can be set in warnings.py;
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12 get_warnings_attr() will reset these variables accordingly. */
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13 static PyObject *_filters; /* List */
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14 static PyObject *_once_registry; /* Dict */
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15
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16
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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 int rc;
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22
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23 if (obj == Py_None)
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24 return 1;
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25 result = PyObject_CallMethod(obj, "match", "O", arg);
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26 if (result == NULL)
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27 return -1;
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28
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29 rc = PyObject_IsTrue(result);
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30 Py_DECREF(result);
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31 return rc;
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32 }
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33
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34 /*
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35 Returns a new reference.
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36 A NULL return value can mean false or an error.
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37 */
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38 static PyObject *
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39 get_warnings_attr(const char *attr)
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40 {
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41 static PyObject *warnings_str = NULL;
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42 PyObject *all_modules;
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43 PyObject *warnings_module;
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44 int result;
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45
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46 if (warnings_str == NULL) {
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47 warnings_str = PyBytes_InternFromString("warnings");
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48 if (warnings_str == NULL)
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49 return NULL;
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50 }
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51
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52 all_modules = PyImport_GetModuleDict();
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53 result = PyDict_Contains(all_modules, warnings_str);
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54 if (result == -1 || result == 0)
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55 return NULL;
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56
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57 warnings_module = PyDict_GetItem(all_modules, warnings_str);
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58 if (!PyObject_HasAttrString(warnings_module, attr))
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59 return NULL;
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60 return PyObject_GetAttrString(warnings_module, attr);
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61 }
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62
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63
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64 static PyObject *
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65 get_once_registry(void)
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66 {
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67 PyObject *registry;
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68
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69 registry = get_warnings_attr("onceregistry");
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70 if (registry == NULL) {
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71 if (PyErr_Occurred())
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72 return NULL;
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73 return _once_registry;
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74 }
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75 Py_DECREF(_once_registry);
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76 _once_registry = registry;
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77 return registry;
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78 }
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79
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80
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81 /* The item is a borrowed reference. */
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82 static const char *
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83 get_filter(PyObject *category, PyObject *text, Py_ssize_t lineno,
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84 PyObject *module, PyObject **item)
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85 {
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86 PyObject *action, *m, *d;
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87 Py_ssize_t i;
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88 PyObject *warnings_filters;
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89
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90 warnings_filters = get_warnings_attr("filters");
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91 if (warnings_filters == NULL) {
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92 if (PyErr_Occurred())
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93 return NULL;
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94 }
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95 else {
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96 Py_DECREF(_filters);
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97 _filters = warnings_filters;
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98 }
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99
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100 if (!PyList_Check(_filters)) {
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101 PyErr_SetString(PyExc_ValueError,
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102 MODULE_NAME ".filters must be a list");
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103 return NULL;
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104 }
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105
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106 /* _filters could change while we are iterating over it. */
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107 for (i = 0; i < PyList_GET_SIZE(_filters); i++) {
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108 PyObject *tmp_item, *action, *msg, *cat, *mod, *ln_obj;
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109 Py_ssize_t ln;
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110 int is_subclass, good_msg, good_mod;
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111
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112 tmp_item = *item = PyList_GET_ITEM(_filters, i);
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113 if (PyTuple_Size(tmp_item) != 5) {
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114 PyErr_Format(PyExc_ValueError,
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115 MODULE_NAME ".filters item %zd isn't a 5-tuple", i);
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116 return NULL;
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117 }
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118
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119 /* Python code: action, msg, cat, mod, ln = item */
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120 action = PyTuple_GET_ITEM(tmp_item, 0);
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121 msg = PyTuple_GET_ITEM(tmp_item, 1);
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122 cat = PyTuple_GET_ITEM(tmp_item, 2);
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123 mod = PyTuple_GET_ITEM(tmp_item, 3);
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124 ln_obj = PyTuple_GET_ITEM(tmp_item, 4);
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125
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126 good_msg = check_matched(msg, text);
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127 good_mod = check_matched(mod, module);
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128 is_subclass = PyObject_IsSubclass(category, cat);
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129 ln = PyInt_AsSsize_t(ln_obj);
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130 if (good_msg == -1 || good_mod == -1 || is_subclass == -1 ||
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131 (ln == -1 && PyErr_Occurred()))
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132 return NULL;
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133
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134 if (good_msg && is_subclass && good_mod && (ln == 0 || lineno == ln))
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135 return PyBytes_AsString(action);
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136 }
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137
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138 m = PyImport_ImportModule(MODULE_NAME);
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139 if (m == NULL)
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140 return NULL;
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141 d = PyModule_GetDict(m);
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142 Py_DECREF(m);
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143 if (d == NULL)
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144 return NULL;
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145 action = PyDict_GetItemString(d, DEFAULT_ACTION_NAME);
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146 if (action != NULL)
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147 return PyBytes_AsString(action);
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148
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149 PyErr_SetString(PyExc_ValueError,
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150 MODULE_NAME "." DEFAULT_ACTION_NAME " not found");
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151 return NULL;
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152 }
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153
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154 static int
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155 already_warned(PyObject *registry, PyObject *key, int should_set)
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156 {
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157 PyObject *already_warned;
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158
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159 if (key == NULL)
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160 return -1;
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161
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162 already_warned = PyDict_GetItem(registry, key);
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163 if (already_warned != NULL) {
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164 int rc = PyObject_IsTrue(already_warned);
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165 if (rc != 0)
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166 return rc;
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167 }
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168
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169 /* This warning wasn't found in the registry, set it. */
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170 if (should_set)
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171 return PyDict_SetItem(registry, key, Py_True);
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172 return 0;
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173 }
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174
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175 /* New reference. */
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176 static PyObject *
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177 normalize_module(PyObject *filename)
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178 {
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179 PyObject *module;
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180 const char *mod_str;
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181 Py_ssize_t len;
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182
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183 int rc = PyObject_IsTrue(filename);
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184 if (rc == -1)
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185 return NULL;
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186 else if (rc == 0)
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187 return PyBytes_FromString("<unknown>");
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188
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189 mod_str = PyBytes_AsString(filename);
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190 if (mod_str == NULL)
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191 return NULL;
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192 len = PyBytes_Size(filename);
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193 if (len < 0)
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194 return NULL;
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195 if (len >= 3 &&
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196 strncmp(mod_str + (len - 3), ".py", 3) == 0) {
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197 module = PyBytes_FromStringAndSize(mod_str, len-3);
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198 }
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199 else {
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200 module = filename;
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201 Py_INCREF(module);
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202 }
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203 return module;
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204 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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205
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206 static int
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207 update_registry(PyObject *registry, PyObject *text, PyObject *category,
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208 int add_zero)
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209 {
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210 PyObject *altkey, *zero = NULL;
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211 int rc;
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212
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213 if (add_zero) {
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214 zero = PyInt_FromLong(0);
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215 if (zero == NULL)
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216 return -1;
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217 altkey = PyTuple_Pack(3, text, category, zero);
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218 }
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219 else
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220 altkey = PyTuple_Pack(2, text, category);
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221
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222 rc = already_warned(registry, altkey, 1);
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223 Py_XDECREF(zero);
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224 Py_XDECREF(altkey);
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225 return rc;
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226 }
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227
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228 static void
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229 show_warning(PyObject *filename, int lineno, PyObject *text, PyObject
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230 *category, PyObject *sourceline)
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231 {
46667
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232 PyObject *f_stderr;
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
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233 PyObject *name;
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234 char lineno_str[128];
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235
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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236 PyOS_snprintf(lineno_str, sizeof(lineno_str), ":%d: ", lineno);
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237
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238 name = PyObject_GetAttrString(category, "__name__");
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239 if (name == NULL) /* XXX Can an object lack a '__name__' attribute? */
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240 return;
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241
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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242 f_stderr = PySys_GetObject("stderr");
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diff changeset
243 if (f_stderr == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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244 fprintf(stderr, "lost sys.stderr\n");
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245 Py_DECREF(name);
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246 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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247 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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248
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249 /* Print "filename:lineno: category: text\n" */
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250 PyFile_WriteObject(filename, f_stderr, Py_PRINT_RAW);
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251 PyFile_WriteString(lineno_str, f_stderr);
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252 PyFile_WriteObject(name, f_stderr, Py_PRINT_RAW);
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253 PyFile_WriteString(": ", f_stderr);
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254 PyFile_WriteObject(text, f_stderr, Py_PRINT_RAW);
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255 PyFile_WriteString("\n", f_stderr);
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256 Py_XDECREF(name);
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257
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258 /* Print " source_line\n" */
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259 PyFile_WriteString(" ", f_stderr);
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diff changeset
260 if (sourceline) {
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261 char *source_line_str = PyBytes_AS_STRING(sourceline);
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262 while (*source_line_str == ' ' || *source_line_str == '\t' ||
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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263 *source_line_str == '\014')
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264 source_line_str++;
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265
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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266 PyFile_WriteString(source_line_str, f_stderr);
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267 PyFile_WriteString("\n", f_stderr);
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diff changeset
268 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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diff changeset
269 else
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270 Py_DisplaySourceLine(f_stderr, PyBytes_AS_STRING(filename), lineno);
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271 PyErr_Clear();
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diff changeset
272 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
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diff changeset
273
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
274 static PyObject *
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
275 warn_explicit(PyObject *category, PyObject *message,
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
276 PyObject *filename, int lineno,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
277 PyObject *module, PyObject *registry, PyObject *sourceline)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
278 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
279 PyObject *key = NULL, *text = NULL, *result = NULL, *lineno_obj = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
280 PyObject *item = Py_None;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
281 const char *action;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
282 int rc;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
283
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
284 /* Normalize module. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
285 if (module == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
286 module = normalize_module(filename);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
287 if (module == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
288 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
289 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
290 else
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
291 Py_INCREF(module);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
292
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
293 /* Normalize message. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
294 Py_INCREF(message); /* DECREF'ed in cleanup. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
295 rc = PyObject_IsInstance(message, PyExc_Warning);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
296 if (rc == -1) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
297 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
298 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
299 if (rc == 1) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
300 text = PyObject_Str(message);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
301 category = (PyObject*)message->ob_type;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
302 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
303 else {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
304 text = message;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
305 message = PyObject_CallFunction(category, "O", message);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
306 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
307
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
308 lineno_obj = PyInt_FromLong(lineno);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
309 if (lineno_obj == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
310 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
311
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
312 /* Create key. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
313 key = PyTuple_Pack(3, text, category, lineno_obj);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
314 if (key == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
315 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
316
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
317 if (registry != NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
318 rc = already_warned(registry, key, 0);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
319 if (rc == -1)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
320 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
321 else if (rc == 1)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
322 goto return_none;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
323 /* Else this warning hasn't been generated before. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
324 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
325
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
326 action = get_filter(category, text, lineno, module, &item);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
327 if (action == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
328 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
329
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
330 if (strcmp(action, "error") == 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
331 PyErr_SetObject(category, message);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
332 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
333 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
334
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
335 /* Store in the registry that we've been here, *except* when the action
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
336 is "always". */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
337 rc = 0;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
338 if (strcmp(action, "always") != 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
339 if (registry != NULL && PyDict_SetItem(registry, key, Py_True) < 0)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
340 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
341 else if (strcmp(action, "ignore") == 0)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
342 goto return_none;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
343 else if (strcmp(action, "once") == 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
344 if (registry == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
345 registry = get_once_registry();
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
346 if (registry == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
347 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
348 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
349 /* _once_registry[(text, category)] = 1 */
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
350 rc = update_registry(registry, text, category, 0);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
351 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
352 else if (strcmp(action, "module") == 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
353 /* registry[(text, category, 0)] = 1 */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
354 if (registry != NULL)
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
355 rc = update_registry(registry, text, category, 0);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
356 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
357 else if (strcmp(action, "default") != 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
358 PyObject *to_str = PyObject_Str(item);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
359 const char *err_str = "???";
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
360
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
361 if (to_str != NULL)
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
362 err_str = PyBytes_AS_STRING(to_str);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
363 PyErr_Format(PyExc_RuntimeError,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
364 "Unrecognized action (%s) in warnings.filters:\n %s",
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
365 action, err_str);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
366 Py_XDECREF(to_str);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
367 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
368 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
369 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
370
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
371 if (rc == 1) // Already warned for this module. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
372 goto return_none;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
373 if (rc == 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
374 PyObject *show_fxn = get_warnings_attr("showwarning");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
375 if (show_fxn == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
376 if (PyErr_Occurred())
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
377 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
378 show_warning(filename, lineno, text, category, sourceline);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
379 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
380 else {
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
381 const char *msg = "functions overriding warnings.showwarning() "
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
382 "must support the 'line' argument";
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
383 const char *text_char = PyBytes_AS_STRING(text);
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
384
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
385 if (strcmp(msg, text_char) == 0) {
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
386 /* Prevent infinite recursion by using built-in implementation
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
387 of showwarning(). */
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
388 show_warning(filename, lineno, text, category, sourceline);
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
389 }
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
390 else {
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
391 PyObject *check_fxn;
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
392 PyObject *defaults;
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
393 PyObject *res;
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
394
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
395 if (PyMethod_Check(show_fxn))
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
396 check_fxn = PyMethod_Function(show_fxn);
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
397 else if (PyFunction_Check(show_fxn))
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
398 check_fxn = show_fxn;
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
399 else {
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
400 PyErr_SetString(PyExc_TypeError,
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
401 "warnings.showwarning() must be set to a "
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
402 "function or method");
46696
9130b48a7130 Fix logic error in Python/_warnings.c and add a test to verify
Benjamin Peterson <benjamin@python.org>
parents: 46686
diff changeset
403 Py_DECREF(show_fxn);
9130b48a7130 Fix logic error in Python/_warnings.c and add a test to verify
Benjamin Peterson <benjamin@python.org>
parents: 46686
diff changeset
404 goto cleanup;
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
405 }
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
406
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
407 defaults = PyFunction_GetDefaults(check_fxn);
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
408 /* A proper implementation of warnings.showwarning() should
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
409 have at least two default arguments. */
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
410 if ((defaults == NULL) || (PyTuple_Size(defaults) < 2)) {
46985
d2c1ed408a1d Fix a refleak in the _warnings module.
Georg Brandl <georg@python.org>
parents: 46696
diff changeset
411 if (PyErr_WarnEx(PyExc_DeprecationWarning, msg, 1) < 0) {
d2c1ed408a1d Fix a refleak in the _warnings module.
Georg Brandl <georg@python.org>
parents: 46696
diff changeset
412 Py_DECREF(show_fxn);
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
413 goto cleanup;
46985
d2c1ed408a1d Fix a refleak in the _warnings module.
Georg Brandl <georg@python.org>
parents: 46696
diff changeset
414 }
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
415 }
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
416 res = PyObject_CallFunctionObjArgs(show_fxn, message, category,
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
417 filename, lineno_obj,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
418 NULL);
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
419 Py_DECREF(show_fxn);
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
420 Py_XDECREF(res);
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
421 if (res == NULL)
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
422 goto cleanup;
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
423 }
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
424 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
425 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
426 else /* if (rc == -1) */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
427 goto cleanup;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
428
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
429 return_none:
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
430 result = Py_None;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
431 Py_INCREF(result);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
432
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
433 cleanup:
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
434 Py_XDECREF(key);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
435 Py_XDECREF(text);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
436 Py_XDECREF(lineno_obj);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
437 Py_DECREF(module);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
438 Py_DECREF(message);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
439 return result; /* Py_None or NULL. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
440 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
441
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
442 /* filename, module, and registry are new refs, globals is borrowed */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
443 /* Returns 0 on error (no new refs), 1 on success */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
444 static int
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
445 setup_context(Py_ssize_t stack_level, PyObject **filename, int *lineno,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
446 PyObject **module, PyObject **registry)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
447 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
448 PyObject *globals;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
449
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
450 /* Setup globals and lineno. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
451 PyFrameObject *f = PyThreadState_GET()->frame;
46686
2f351fa53a6b Fix a bug in the handling of the stacklevel argument in warnings.warn() where
Brett Cannon <bcannon@gmail.com>
parents: 46667
diff changeset
452 while (--stack_level > 0 && f != NULL)
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
453 f = f->f_back;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
454
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
455 if (f == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
456 globals = PyThreadState_Get()->interp->sysdict;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
457 *lineno = 1;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
458 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
459 else {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
460 globals = f->f_globals;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
461 *lineno = PyCode_Addr2Line(f->f_code, f->f_lasti);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
462 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
463
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
464 *module = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
465
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
466 /* Setup registry. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
467 assert(globals != NULL);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
468 assert(PyDict_Check(globals));
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
469 *registry = PyDict_GetItemString(globals, "__warningregistry__");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
470 if (*registry == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
471 int rc;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
472
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
473 *registry = PyDict_New();
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
474 if (*registry == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
475 return 0;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
476
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
477 rc = PyDict_SetItemString(globals, "__warningregistry__", *registry);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
478 if (rc < 0)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
479 goto handle_error;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
480 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
481 else
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
482 Py_INCREF(*registry);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
483
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
484 /* Setup module. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
485 *module = PyDict_GetItemString(globals, "__name__");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
486 if (*module == NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
487 *module = PyBytes_FromString("<string>");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
488 if (*module == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
489 goto handle_error;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
490 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
491 else
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
492 Py_INCREF(*module);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
493
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
494 /* Setup filename. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
495 *filename = PyDict_GetItemString(globals, "__file__");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
496 if (*filename != NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
497 Py_ssize_t len = PyBytes_Size(*filename);
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
498 const char *file_str = PyBytes_AsString(*filename);
46634
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
499 if (file_str == NULL || (len < 0 && PyErr_Occurred()))
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
500 goto handle_error;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
501
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
502 /* if filename.lower().endswith((".pyc", ".pyo")): */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
503 if (len >= 4 &&
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
504 file_str[len-4] == '.' &&
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
505 tolower(file_str[len-3]) == 'p' &&
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
506 tolower(file_str[len-2]) == 'y' &&
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
507 (tolower(file_str[len-1]) == 'c' ||
46634
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
508 tolower(file_str[len-1]) == 'o'))
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
509 {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
510 *filename = PyBytes_FromStringAndSize(file_str, len-1);
46634
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
511 if (*filename == NULL)
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
512 goto handle_error;
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
513 }
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
514 else
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
515 Py_INCREF(*filename);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
516 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
517 else {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
518 const char *module_str = PyBytes_AsString(*module);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
519 if (module_str && strcmp(module_str, "__main__") == 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
520 PyObject *argv = PySys_GetObject("argv");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
521 if (argv != NULL && PyList_Size(argv) > 0) {
46637
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
522 int is_true;
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
523 *filename = PyList_GetItem(argv, 0);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
524 Py_INCREF(*filename);
46637
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
525 /* If sys.argv[0] is false, then use '__main__'. */
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
526 is_true = PyObject_IsTrue(*filename);
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
527 if (is_true < 0) {
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
528 Py_DECREF(*filename);
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
529 goto handle_error;
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
530 }
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
531 else if (!is_true) {
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
532 Py_DECREF(*filename);
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
533 *filename = PyBytes_FromString("__main__");
46637
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
534 if (*filename == NULL)
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
535 goto handle_error;
a859f835ef53 Fix the C implementation of 'warnings' to infer the filename of the module that
Brett Cannon <bcannon@gmail.com>
parents: 46634
diff changeset
536 }
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
537 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
538 else {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
539 /* embedded interpreters don't have sys.argv, see bug #839151 */
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
540 *filename = PyBytes_FromString("__main__");
46634
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
541 if (*filename == NULL)
cc66029d2efe Fix some indentation errors.
Brett Cannon <bcannon@gmail.com>
parents: 46622
diff changeset
542 goto handle_error;
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
543 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
544 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
545 if (*filename == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
546 *filename = *module;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
547 Py_INCREF(*filename);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
548 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
549 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
550
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
551 return 1;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
552
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
553 handle_error:
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
554 /* filename not XDECREF'ed here as there is no way to jump here with a
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
555 dangling reference. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
556 Py_XDECREF(*registry);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
557 Py_XDECREF(*module);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
558 return 0;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
559 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
560
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
561 static PyObject *
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
562 get_category(PyObject *message, PyObject *category)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
563 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
564 int rc;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
565
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
566 /* Get category. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
567 rc = PyObject_IsInstance(message, PyExc_Warning);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
568 if (rc == -1)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
569 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
570
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
571 if (rc == 1)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
572 category = (PyObject*)message->ob_type;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
573 else if (category == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
574 category = PyExc_UserWarning;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
575
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
576 /* Validate category. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
577 rc = PyObject_IsSubclass(category, PyExc_Warning);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
578 if (rc == -1)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
579 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
580 if (rc == 0) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
581 PyErr_SetString(PyExc_ValueError,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
582 "category is not a subclass of Warning");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
583 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
584 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
585
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
586 return category;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
587 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
588
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
589 static PyObject *
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
590 do_warn(PyObject *message, PyObject *category, Py_ssize_t stack_level)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
591 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
592 PyObject *filename, *module, *registry, *res;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
593 int lineno;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
594
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
595 if (!setup_context(stack_level, &filename, &lineno, &module, &registry))
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
596 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
597
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
598 res = warn_explicit(category, message, filename, lineno, module, registry,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
599 NULL);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
600 Py_DECREF(filename);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
601 Py_DECREF(registry);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
602 Py_DECREF(module);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
603 return res;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
604 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
605
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
606 static PyObject *
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
607 warnings_warn(PyObject *self, PyObject *args, PyObject *kwds)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
608 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
609 static char *kw_list[] = { "message", "category", "stacklevel", 0 };
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
610 PyObject *message, *category = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
611 Py_ssize_t stack_level = 1;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
612
46667
d9071fa8244a Add a DeprecationWarning for when warnings.showwarning() is set to a function
Brett Cannon <bcannon@gmail.com>
parents: 46637
diff changeset
613 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|On:warn", kw_list,
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
614 &message, &category, &stack_level))
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
615 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
616
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
617 category = get_category(message, category);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
618 if (category == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
619 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
620 return do_warn(message, category, stack_level);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
621 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
622
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
623 static PyObject *
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
624 warnings_warn_explicit(PyObject *self, PyObject *args, PyObject *kwds)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
625 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
626 static char *kwd_list[] = {"message", "category", "filename", "lineno",
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
627 "module", "registry", "module_globals", 0};
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
628 PyObject *message;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
629 PyObject *category;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
630 PyObject *filename;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
631 int lineno;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
632 PyObject *module = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
633 PyObject *registry = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
634 PyObject *module_globals = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
635
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
636 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOOi|OOO:warn_explicit",
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
637 kwd_list, &message, &category, &filename, &lineno, &module,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
638 &registry, &module_globals))
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
639 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
640
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
641 if (module_globals) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
642 static PyObject *get_source_name = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
643 static PyObject *splitlines_name = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
644 PyObject *loader;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
645 PyObject *module_name;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
646 PyObject *source;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
647 PyObject *source_list;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
648 PyObject *source_line;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
649 PyObject *returned;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
650
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
651 if (get_source_name == NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
652 get_source_name = PyBytes_InternFromString("get_source");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
653 if (!get_source_name)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
654 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
655 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
656 if (splitlines_name == NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
657 splitlines_name = PyBytes_InternFromString("splitlines");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
658 if (!splitlines_name)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
659 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
660 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
661
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
662 /* Check/get the requisite pieces needed for the loader. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
663 loader = PyDict_GetItemString(module_globals, "__loader__");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
664 module_name = PyDict_GetItemString(module_globals, "__name__");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
665
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
666 if (loader == NULL || module_name == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
667 goto standard_call;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
668
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
669 /* Make sure the loader implements the optional get_source() method. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
670 if (!PyObject_HasAttrString(loader, "get_source"))
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
671 goto standard_call;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
672 /* Call get_source() to get the source code. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
673 source = PyObject_CallMethodObjArgs(loader, get_source_name,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
674 module_name, NULL);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
675 if (!source)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
676 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
677 else if (source == Py_None) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
678 Py_DECREF(Py_None);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
679 goto standard_call;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
680 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
681
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
682 /* Split the source into lines. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
683 source_list = PyObject_CallMethodObjArgs(source, splitlines_name,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
684 NULL);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
685 Py_DECREF(source);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
686 if (!source_list)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
687 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
688
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
689 /* Get the source line. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
690 source_line = PyList_GetItem(source_list, lineno-1);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
691 if (!source_line) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
692 Py_DECREF(source_list);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
693 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
694 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
695
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
696 /* Handle the warning. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
697 returned = warn_explicit(category, message, filename, lineno, module,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
698 registry, source_line);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
699 Py_DECREF(source_list);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
700 return returned;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
701 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
702
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
703 standard_call:
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
704 return warn_explicit(category, message, filename, lineno, module,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
705 registry, NULL);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
706 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
707
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
708
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
709 /* Function to issue a warning message; may raise an exception. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
710 int
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
711 PyErr_WarnEx(PyObject *category, const char *text, Py_ssize_t stack_level)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
712 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
713 PyObject *res;
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
714 PyObject *message = PyBytes_FromString(text);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
715 if (message == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
716 return -1;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
717
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
718 if (category == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
719 category = PyExc_RuntimeWarning;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
720
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
721 res = do_warn(message, category, stack_level);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
722 Py_DECREF(message);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
723 if (res == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
724 return -1;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
725 Py_DECREF(res);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
726
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
727 return 0;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
728 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
729
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
730 /* PyErr_Warn is only for backwards compatability and will be removed.
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
731 Use PyErr_WarnEx instead. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
732
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
733 #undef PyErr_Warn
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
734
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
735 PyAPI_FUNC(int)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
736 PyErr_Warn(PyObject *category, char *text)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
737 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
738 return PyErr_WarnEx(category, text, 1);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
739 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
740
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
741 /* Warning with explicit origin */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
742 int
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
743 PyErr_WarnExplicit(PyObject *category, const char *text,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
744 const char *filename_str, int lineno,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
745 const char *module_str, PyObject *registry)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
746 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
747 PyObject *res;
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
748 PyObject *message = PyBytes_FromString(text);
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
749 PyObject *filename = PyBytes_FromString(filename_str);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
750 PyObject *module = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
751 int ret = -1;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
752
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
753 if (message == NULL || filename == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
754 goto exit;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
755 if (module_str != NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
756 module = PyBytes_FromString(module_str);
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
757 if (module == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
758 goto exit;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
759 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
760
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
761 if (category == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
762 category = PyExc_RuntimeWarning;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
763 res = warn_explicit(category, message, filename, lineno, module, registry,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
764 NULL);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
765 if (res == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
766 goto exit;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
767 Py_DECREF(res);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
768 ret = 0;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
769
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
770 exit:
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
771 Py_XDECREF(message);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
772 Py_XDECREF(module);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
773 Py_XDECREF(filename);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
774 return ret;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
775 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
776
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
777
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
778 PyDoc_STRVAR(warn_doc,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
779 "Issue a warning, or maybe ignore it or raise an exception.");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
780
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
781 PyDoc_STRVAR(warn_explicit_doc,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
782 "Low-level inferface to warnings functionality.");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
783
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
784 static PyMethodDef warnings_functions[] = {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
785 {"warn", (PyCFunction)warnings_warn, METH_VARARGS | METH_KEYWORDS,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
786 warn_doc},
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
787 {"warn_explicit", (PyCFunction)warnings_warn_explicit,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
788 METH_VARARGS | METH_KEYWORDS, warn_explicit_doc},
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
789 // XXX(brett.cannon): add showwarning?
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
790 // XXX(brett.cannon): Reasonable to add formatwarning?
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
791 {NULL, NULL} /* sentinel */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
792 };
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
793
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
794
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
795 static PyObject *
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
796 create_filter(PyObject *category, const char *action)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
797 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
798 static PyObject *ignore_str = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
799 static PyObject *error_str = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
800 static PyObject *default_str = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
801 PyObject *action_obj = NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
802 PyObject *lineno, *result;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
803
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
804 if (!strcmp(action, "ignore")) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
805 if (ignore_str == NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
806 ignore_str = PyBytes_InternFromString("ignore");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
807 if (ignore_str == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
808 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
809 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
810 action_obj = ignore_str;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
811 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
812 else if (!strcmp(action, "error")) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
813 if (error_str == NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
814 error_str = PyBytes_InternFromString("error");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
815 if (error_str == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
816 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
817 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
818 action_obj = error_str;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
819 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
820 else if (!strcmp(action, "default")) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
821 if (default_str == NULL) {
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
822 default_str = PyBytes_InternFromString("default");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
823 if (default_str == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
824 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
825 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
826 action_obj = default_str;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
827 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
828 else {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
829 Py_FatalError("unknown action");
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
830 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
831
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
832 /* This assumes the line number is zero for now. */
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
833 lineno = PyInt_FromLong(0);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
834 if (lineno == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
835 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
836 result = PyTuple_Pack(5, action_obj, Py_None, category, Py_None, lineno);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
837 Py_DECREF(lineno);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
838 return result;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
839 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
840
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
841 static PyObject *
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
842 init_filters(void)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
843 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
844 PyObject *filters = PyList_New(3);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
845 const char *bytes_action;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
846 if (filters == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
847 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
848
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
849 PyList_SET_ITEM(filters, 0,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
850 create_filter(PyExc_PendingDeprecationWarning, "ignore"));
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
851 PyList_SET_ITEM(filters, 1, create_filter(PyExc_ImportWarning, "ignore"));
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
852 if (Py_BytesWarningFlag > 1)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
853 bytes_action = "error";
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
854 else if (Py_BytesWarningFlag)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
855 bytes_action = "default";
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
856 else
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
857 bytes_action = "ignore";
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
858 PyList_SET_ITEM(filters, 2, create_filter(PyExc_BytesWarning,
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
859 bytes_action));
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
860
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
861 if (PyList_GET_ITEM(filters, 0) == NULL ||
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
862 PyList_GET_ITEM(filters, 1) == NULL ||
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
863 PyList_GET_ITEM(filters, 2) == NULL) {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
864 Py_DECREF(filters);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
865 return NULL;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
866 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
867
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
868 return filters;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
869 }
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
870
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
871
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
872 PyMODINIT_FUNC
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
873 _PyWarnings_Init(void)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
874 {
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
875 PyObject *m, *default_action;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
876
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
877 m = Py_InitModule3(MODULE_NAME, warnings_functions, warnings__doc__);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
878 if (m == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
879 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
880
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
881 _filters = init_filters();
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
882 if (_filters == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
883 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
884 Py_INCREF(_filters);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
885 if (PyModule_AddObject(m, "filters", _filters) < 0)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
886 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
887
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
888 _once_registry = PyDict_New();
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
889 if (_once_registry == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
890 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
891 Py_INCREF(_once_registry);
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
892 if (PyModule_AddObject(m, "once_registry", _once_registry) < 0)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
893 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
894
47294
4fe192d48960 Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46985
diff changeset
895 default_action = PyBytes_InternFromString("default");
46414
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
896 if (default_action == NULL)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
897 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
898 if (PyModule_AddObject(m, DEFAULT_ACTION_NAME, default_action) < 0)
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
899 return;
840064802952 Re-implement the 'warnings' module in C. This allows for usage of the
Brett Cannon <bcannon@gmail.com>
parents:
diff changeset
900 }