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annotate Python/codecs.c @ 12961:eb911eca9ee9 legacy-trunk

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Christopher Fandrich <cfandrich@8cs.com>: Fix memory leak in initializing __debug__.
author Fred Drake <fdrake@acm.org>
date Tue, 20 Jun 2000 04:54:19 +0000
parents 2a53f5dc0590
children 8c8de5b736dc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* ------------------------------------------------------------------------
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2
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3 Python Codec Registry and support functions
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4
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5 Written by Marc-Andre Lemburg (mal@lemburg.com).
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6
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7 (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
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8
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9 ------------------------------------------------------------------------ */
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10
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11 #include "Python.h"
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12 #include <ctype.h>
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13
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14 /* --- Globals ------------------------------------------------------------ */
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15
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16 static PyObject *_PyCodec_SearchPath;
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17 static PyObject *_PyCodec_SearchCache;
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18
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19 /* Flag used for lazy import of the standard encodings package */
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20 static int import_encodings_called = 0;
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21
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22 /* --- Codec Registry ----------------------------------------------------- */
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23
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24 /* Import the standard encodings package which will register the first
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25 codec search function.
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26
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27 This is done in a lazy way so that the Unicode implementation does
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28 not downgrade startup time of scripts not needing it.
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29
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30 ImportErrors are silently ignored by this function. Only one try is
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31 made.
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32
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33 */
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34
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35 static
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36 int import_encodings()
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37 {
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38 PyObject *mod;
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39
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40 import_encodings_called = 1;
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41 mod = PyImport_ImportModule("encodings");
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42 if (mod == NULL) {
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43 if (PyErr_ExceptionMatches(PyExc_ImportError)) {
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44 /* Ignore ImportErrors... this is done so that
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45 distributions can disable the encodings package. Note
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46 that other errors are not masked, e.g. SystemErrors
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47 raised to inform the user of an error in the Python
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48 configuration are still reported back to the user. */
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49 PyErr_Clear();
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50 return 0;
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51 }
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52 return -1;
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53 }
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54 Py_DECREF(mod);
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55 return 0;
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56 }
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57
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58 int PyCodec_Register(PyObject *search_function)
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59 {
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60 if (!import_encodings_called) {
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61 if (import_encodings())
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62 goto onError;
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63 }
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64 if (search_function == NULL) {
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65 PyErr_BadArgument();
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66 goto onError;
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67 }
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68 if (!PyCallable_Check(search_function)) {
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69 PyErr_SetString(PyExc_TypeError,
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70 "argument must be callable");
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71 goto onError;
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72 }
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73 return PyList_Append(_PyCodec_SearchPath, search_function);
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74
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75 onError:
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76 return -1;
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77 }
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78
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79 /* Convert a string to a normalized Python string: all characters are
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80 converted to lower case, spaces are replaced with underscores. */
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81
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82 static
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83 PyObject *normalizestring(const char *string)
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84 {
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85 register int i;
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86 int len = strlen(string);
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87 char *p;
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88 PyObject *v;
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89
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90 v = PyString_FromStringAndSize(NULL, len);
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91 if (v == NULL)
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92 return NULL;
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93 p = PyString_AS_STRING(v);
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94 for (i = 0; i < len; i++) {
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95 register char ch = string[i];
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96 if (ch == ' ')
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97 ch = '-';
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98 else
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99 ch = tolower(ch);
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100 p[i] = ch;
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101 }
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102 return v;
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103 }
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104
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105 /* Lookup the given encoding and return a tuple providing the codec
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106 facilities.
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107
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108 The encoding string is looked up converted to all lower-case
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109 characters. This makes encodings looked up through this mechanism
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110 effectively case-insensitive.
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111
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112 If no codec is found, a LookupError is set and NULL returned.
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113
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114 As side effect, this tries to load the encodings package, if not
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115 yet done. This is part of the lazy load strategy for the encodings
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116 package.
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117
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118 */
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119
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120 PyObject *_PyCodec_Lookup(const char *encoding)
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121 {
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122 PyObject *result, *args = NULL, *v;
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123 int i, len;
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124
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125 if (encoding == NULL) {
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126 PyErr_BadArgument();
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127 goto onError;
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128 }
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129 if (_PyCodec_SearchCache == NULL ||
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130 _PyCodec_SearchPath == NULL) {
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131 PyErr_SetString(PyExc_SystemError,
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132 "codec module not properly initialized");
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133 goto onError;
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134 }
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135 if (!import_encodings_called) {
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136 if (import_encodings())
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diff changeset
137 goto onError;
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
138 }
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
139
12248
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 12195
diff changeset
140 /* Convert the encoding to a normalized Python string: all
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 12195
diff changeset
141 characters are converted to lower case, spaces and hypens are
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 12195
diff changeset
142 replaced with underscores. */
70154e2e9c89 Marc-Andre's third try at this bulk patch seems to work (except that
Guido van Rossum <guido@python.org>
parents: 12195
diff changeset
143 v = normalizestring(encoding);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
144 if (v == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
145 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
146 PyString_InternInPlace(&v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
147
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
148 /* First, try to lookup the name in the registry dictionary */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
149 result = PyDict_GetItem(_PyCodec_SearchCache, v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
150 if (result != NULL) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
151 Py_INCREF(result);
12025
7994d9db7f4d On 17-Mar-2000, Marc-Andre Lemburg said:
Barry Warsaw <barry@python.org>
parents: 11972
diff changeset
152 Py_DECREF(v);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 return result;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
154 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
155
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
156 /* Next, scan the search functions in order of registration */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 args = PyTuple_New(1);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
158 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
159 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
160 PyTuple_SET_ITEM(args,0,v);
12048
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
161
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
162 len = PyList_Size(_PyCodec_SearchPath);
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
163 if (len < 0)
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
164 goto onError;
12195
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
165 if (len == 0) {
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
166 PyErr_SetString(PyExc_LookupError,
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
167 "no codec search functions registered: "
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
168 "can't find encoding");
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
169 goto onError;
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
170 }
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
171
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
172 for (i = 0; i < len; i++) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
173 PyObject *func;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
174
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
175 func = PyList_GetItem(_PyCodec_SearchPath, i);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
176 if (func == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
177 goto onError;
12048
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
178 result = PyEval_CallObject(func, args);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
179 if (result == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
180 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
181 if (result == Py_None) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
182 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
183 continue;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
184 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
185 if (!PyTuple_Check(result) || PyTuple_GET_SIZE(result) != 4) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
186 PyErr_SetString(PyExc_TypeError,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
187 "codec search functions must return 4-tuples");
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
188 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
190 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
191 break;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
192 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
193 if (i == len) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
194 /* XXX Perhaps we should cache misses too ? */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
195 PyErr_SetString(PyExc_LookupError,
12025
7994d9db7f4d On 17-Mar-2000, Marc-Andre Lemburg said:
Barry Warsaw <barry@python.org>
parents: 11972
diff changeset
196 "unknown encoding");
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
198 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
199
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
200 /* Cache and return the result */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
201 PyDict_SetItem(_PyCodec_SearchCache, v, result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
202 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
203 return result;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
204
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
205 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
206 Py_XDECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
207 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
208 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
209
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
210 static
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
211 PyObject *args_tuple(PyObject *object,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
212 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
213 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
214 PyObject *args;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
215
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
216 args = PyTuple_New(1 + (errors != NULL));
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
217 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
218 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
219 Py_INCREF(object);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
220 PyTuple_SET_ITEM(args,0,object);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
221 if (errors) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
222 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
223
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
224 v = PyString_FromString(errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
225 if (v == NULL) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
226 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
227 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
228 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
229 PyTuple_SET_ITEM(args, 1, v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
230 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
231 return args;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
232 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
233
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
234 /* Build a codec by calling factory(stream[,errors]) or just
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
235 factory(errors) depending on whether the given parameters are
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
236 non-NULL. */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
237
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
238 static
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
239 PyObject *build_stream_codec(PyObject *factory,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
240 PyObject *stream,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
241 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
242 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
243 PyObject *args, *codec;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
244
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
245 args = args_tuple(stream, errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
246 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
247 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
248
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
249 codec = PyEval_CallObject(factory, args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
250 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
251 return codec;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
252 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
253
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
254 /* Convenience APIs to query the Codec registry.
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
255
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
256 All APIs return a codec object with incremented refcount.
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
257
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
258 */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
259
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
260 PyObject *PyCodec_Encoder(const char *encoding)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
261 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
262 PyObject *codecs;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
263 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
264
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
265 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
266 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
267 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
268 v = PyTuple_GET_ITEM(codecs,0);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
269 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
270 return v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
271
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
272 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
273 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
274 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
275
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
276 PyObject *PyCodec_Decoder(const char *encoding)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
277 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
278 PyObject *codecs;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
279 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
280
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
281 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
282 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
283 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
284 v = PyTuple_GET_ITEM(codecs,1);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
285 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
286 return v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
287
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
288 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
289 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
290 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
291
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
292 PyObject *PyCodec_StreamReader(const char *encoding,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
293 PyObject *stream,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
294 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
295 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
296 PyObject *codecs;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
297
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
298 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
299 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
300 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
301 return build_stream_codec(PyTuple_GET_ITEM(codecs,2),stream,errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
302
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
303 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
304 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
305 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
306
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
307 PyObject *PyCodec_StreamWriter(const char *encoding,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
308 PyObject *stream,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
309 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
310 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
311 PyObject *codecs;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
312
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
313 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
314 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
315 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
316 return build_stream_codec(PyTuple_GET_ITEM(codecs,3),stream,errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
317
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
318 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
319 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
320 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
321
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
322 /* Encode an object (e.g. an Unicode object) using the given encoding
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
323 and return the resulting encoded object (usually a Python string).
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
324
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
325 errors is passed to the encoder factory as argument if non-NULL. */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
326
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
327 PyObject *PyCodec_Encode(PyObject *object,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
328 const char *encoding,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
329 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
330 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
331 PyObject *encoder = NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
332 PyObject *args = NULL, *result;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
333 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
334
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
335 encoder = PyCodec_Encoder(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
336 if (encoder == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
337 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
338
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
339 args = args_tuple(object, errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
340 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
341 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
342
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
343 result = PyEval_CallObject(encoder,args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
344 if (result == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
345 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
346
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
347 if (!PyTuple_Check(result) ||
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
348 PyTuple_GET_SIZE(result) != 2) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
349 PyErr_SetString(PyExc_TypeError,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
350 "encoder must return a tuple (object,integer)");
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
351 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
352 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
353 v = PyTuple_GET_ITEM(result,0);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
354 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
355 /* We don't check or use the second (integer) entry. */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
356
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
357 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
358 Py_DECREF(encoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
359 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 return v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
361
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 Py_XDECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 Py_XDECREF(encoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
366 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
367
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
368 /* Decode an object (usually a Python string) using the given encoding
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 and return an equivalent object (e.g. an Unicode object).
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
370
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 errors is passed to the decoder factory as argument if non-NULL. */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
372
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
373 PyObject *PyCodec_Decode(PyObject *object,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 const char *encoding,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
376 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
377 PyObject *decoder = NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 PyObject *args = NULL, *result = NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
380
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 decoder = PyCodec_Decoder(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 if (decoder == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
383 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
384
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 args = args_tuple(object, errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
388
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 result = PyEval_CallObject(decoder,args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 if (result == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
391 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
392 if (!PyTuple_Check(result) ||
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
393 PyTuple_GET_SIZE(result) != 2) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 PyErr_SetString(PyExc_TypeError,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
395 "decoder must return a tuple (object,integer)");
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
396 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
397 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
398 v = PyTuple_GET_ITEM(result,0);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
399 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
400 /* We don't check or use the second (integer) entry. */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
401
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
402 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
403 Py_DECREF(decoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
404 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
405 return v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
406
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
407 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
408 Py_XDECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
409 Py_XDECREF(decoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
410 Py_XDECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
411 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
412 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
413
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
414 void _PyCodecRegistry_Init()
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
415 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
416 if (_PyCodec_SearchPath == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
417 _PyCodec_SearchPath = PyList_New(0);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
418 if (_PyCodec_SearchCache == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
419 _PyCodec_SearchCache = PyDict_New();
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 if (_PyCodec_SearchPath == NULL ||
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
421 _PyCodec_SearchCache == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
422 Py_FatalError("can't intialize codec registry");
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
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423 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
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424
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
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425 void _PyCodecRegistry_Fini()
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
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426 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
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427 Py_XDECREF(_PyCodec_SearchPath);
12025
7994d9db7f4d On 17-Mar-2000, Marc-Andre Lemburg said:
Barry Warsaw <barry@python.org>
parents: 11972
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428 _PyCodec_SearchPath = NULL;
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d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
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429 Py_XDECREF(_PyCodec_SearchCache);
12025
7994d9db7f4d On 17-Mar-2000, Marc-Andre Lemburg said:
Barry Warsaw <barry@python.org>
parents: 11972
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430 _PyCodec_SearchCache = NULL;
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
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431 }