Mercurial > cpython-lru_cache-weakref

annotate Python/codecs.c @ 28572:faeb708bacc4 2.2

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Backport: PyErr_NormalizeException(): in the type==NULL test, we should simply return. Setting an exception can mess with the exception state, and continuing is definitely wrong (since type is dereferenced later on). Some code that calls this seems to be prepared for a NULL exception type, so let's be safe rather than sorry and simply assume there's nothing to normalize in this case.
author Guido van Rossum <guido@python.org>
date Thu, 10 Apr 2003 20:30:18 +0000
parents a8d6576b95af
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 Copyright (c) Corporation for National Research Initiatives.
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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 /* --- Codec Registry ----------------------------------------------------- */
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15
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16 /* Import the standard encodings package which will register the first
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17 codec search function.
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18
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19 This is done in a lazy way so that the Unicode implementation does
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20 not downgrade startup time of scripts not needing it.
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21
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22 ImportErrors are silently ignored by this function. Only one try is
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23 made.
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24
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25 */
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26
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27 static int _PyCodecRegistry_Init(void); /* Forward */
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28
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29 int PyCodec_Register(PyObject *search_function)
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30 {
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31 PyInterpreterState *interp = PyThreadState_Get()->interp;
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32 if (interp->codec_search_path == NULL && _PyCodecRegistry_Init())
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33 goto onError;
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34 if (search_function == NULL) {
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35 PyErr_BadArgument();
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36 goto onError;
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37 }
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38 if (!PyCallable_Check(search_function)) {
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39 PyErr_SetString(PyExc_TypeError,
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40 "argument must be callable");
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41 goto onError;
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42 }
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43 return PyList_Append(interp->codec_search_path, search_function);
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44
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45 onError:
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46 return -1;
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47 }
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48
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49 /* Convert a string to a normalized Python string: all characters are
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50 converted to lower case, spaces are replaced with underscores. */
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51
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52 static
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53 PyObject *normalizestring(const char *string)
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54 {
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55 register size_t i;
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56 size_t len = strlen(string);
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57 char *p;
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58 PyObject *v;
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59
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60 if (len > INT_MAX) {
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61 PyErr_SetString(PyExc_OverflowError, "string is too large");
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62 return NULL;
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63 }
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64
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65 v = PyString_FromStringAndSize(NULL, (int)len);
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66 if (v == NULL)
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67 return NULL;
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68 p = PyString_AS_STRING(v);
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69 for (i = 0; i < len; i++) {
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70 register char ch = string[i];
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71 if (ch == ' ')
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72 ch = '-';
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73 else
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74 ch = tolower(ch);
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75 p[i] = ch;
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76 }
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77 return v;
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78 }
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79
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80 /* Lookup the given encoding and return a tuple providing the codec
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81 facilities.
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82
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83 The encoding string is looked up converted to all lower-case
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84 characters. This makes encodings looked up through this mechanism
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85 effectively case-insensitive.
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86
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87 If no codec is found, a LookupError is set and NULL returned.
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88
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89 As side effect, this tries to load the encodings package, if not
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90 yet done. This is part of the lazy load strategy for the encodings
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91 package.
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92
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93 */
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94
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95 PyObject *_PyCodec_Lookup(const char *encoding)
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96 {
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97 PyInterpreterState *interp;
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98 PyObject *result, *args = NULL, *v;
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99 int i, len;
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100
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101 if (encoding == NULL) {
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102 PyErr_BadArgument();
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103 goto onError;
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104 }
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105
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106 interp = PyThreadState_Get()->interp;
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107 if (interp->codec_search_path == NULL && _PyCodecRegistry_Init())
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108 goto onError;
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109
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110 /* Convert the encoding to a normalized Python string: all
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111 characters are converted to lower case, spaces and hyphens are
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112 replaced with underscores. */
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113 v = normalizestring(encoding);
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114 if (v == NULL)
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115 goto onError;
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116 PyString_InternInPlace(&v);
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117
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118 /* First, try to lookup the name in the registry dictionary */
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119 result = PyDict_GetItem(interp->codec_search_cache, v);
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120 if (result != NULL) {
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121 Py_INCREF(result);
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122 Py_DECREF(v);
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123 return result;
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124 }
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125
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126 /* Next, scan the search functions in order of registration */
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127 args = PyTuple_New(1);
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128 if (args == NULL)
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129 goto onError;
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130 PyTuple_SET_ITEM(args,0,v);
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131
28462
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
132 len = PyList_Size(interp->codec_search_path);
12048
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
133 if (len < 0)
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
134 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
135 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
136 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
137 "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
138 "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
139 goto onError;
bc861add5d71 Marc-Andre Lemburg: Error reporting in the codec registry and lookup
Guido van Rossum <guido@python.org>
parents: 12048
diff changeset
140 }
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
141
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
142 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
143 PyObject *func;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
144
28462
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
145 func = PyList_GetItem(interp->codec_search_path, i);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
146 if (func == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
147 goto onError;
12048
f87b56eebacc Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12025
diff changeset
148 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
149 if (result == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
150 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
151 if (result == Py_None) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
152 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 continue;
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 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
156 PyErr_SetString(PyExc_TypeError,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
157 "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
158 Py_DECREF(result);
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 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 break;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 if (i == len) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
164 /* XXX Perhaps we should cache misses too ? */
25442
898304f6da23 Add encoding in LookupError. Fixes #615013.
Martin v. Löwis <martin@v.loewis.de>
parents: 14869
diff changeset
165 PyErr_Format(PyExc_LookupError,
898304f6da23 Add encoding in LookupError. Fixes #615013.
Martin v. Löwis <martin@v.loewis.de>
parents: 14869
diff changeset
166 "unknown encoding: %s", encoding);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
167 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
168 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
169
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
170 /* Cache and return the result */
28462
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
171 PyDict_SetItem(interp->codec_search_cache, v, result);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
172 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
173 return result;
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 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
176 Py_XDECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
177 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
178 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
179
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
180 static
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
181 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
182 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
183 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
184 PyObject *args;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
185
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
186 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
187 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
188 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 Py_INCREF(object);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
190 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
191 if (errors) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
192 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
193
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
194 v = PyString_FromString(errors);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
195 if (v == NULL) {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
196 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 return NULL;
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 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
200 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
201 return args;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
202 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
203
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
204 /* 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
205 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
206 non-NULL. */
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
207
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
208 static
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
209 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
210 PyObject *stream,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
211 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
212 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
213 PyObject *args, *codec;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
214
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
215 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
216 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
217 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
218
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
219 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
220 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
221 return codec;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
222 }
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 /* 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
225
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
226 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
227
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
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
230 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
231 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
232 PyObject *codecs;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
233 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
234
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
235 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
236 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
237 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
238 v = PyTuple_GET_ITEM(codecs,0);
25484
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
239 Py_DECREF(codecs);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
240 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
241 return v;
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 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
244 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
245 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
246
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
247 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
248 {
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
249 PyObject *codecs;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
250 PyObject *v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
251
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
252 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
253 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
254 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
255 v = PyTuple_GET_ITEM(codecs,1);
25484
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
256 Py_DECREF(codecs);
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
257 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
258 return v;
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 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
261 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
262 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
263
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
264 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
265 PyObject *stream,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
266 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
267 {
25484
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
268 PyObject *codecs, *ret;
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
269
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
270 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
271 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
272 goto onError;
25484
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
273 ret = build_stream_codec(PyTuple_GET_ITEM(codecs,2),stream,errors);
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
274 Py_DECREF(codecs);
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
275 return ret;
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
276
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
277 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
278 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
279 }
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 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
282 PyObject *stream,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
283 const char *errors)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
284 {
25484
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
285 PyObject *codecs, *ret;
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
286
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
287 codecs = _PyCodec_Lookup(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
288 if (codecs == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
289 goto onError;
25484
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
290 ret = build_stream_codec(PyTuple_GET_ITEM(codecs,3),stream,errors);
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
291 Py_DECREF(codecs);
cac1b034b903 Backport mhammond's 2.14:
Michael W. Hudson <mwh@python.net>
parents: 25442
diff changeset
292 return ret;
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
293
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
294 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
295 return NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
296 }
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 /* 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
299 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
300
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
301 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
302
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
303 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
304 const char *encoding,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
305 const char *errors)
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 *encoder = NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
308 PyObject *args = NULL, *result;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
309 PyObject *v;
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 encoder = PyCodec_Encoder(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
312 if (encoder == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
313 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
314
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
315 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
316 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
317 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
318
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
319 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
320 if (result == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
321 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
322
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
323 if (!PyTuple_Check(result) ||
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
324 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
325 PyErr_SetString(PyExc_TypeError,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
326 "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
327 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
328 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
329 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
330 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
331 /* 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
332
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
333 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
334 Py_DECREF(encoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
335 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
336 return v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
337
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
338 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
339 Py_XDECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
340 Py_XDECREF(encoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
341 return NULL;
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
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
344 /* 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
345 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
346
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
347 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
348
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
349 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
350 const char *encoding,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
351 const char *errors)
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 PyObject *decoder = NULL;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
354 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
355 PyObject *v;
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 decoder = PyCodec_Decoder(encoding);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
358 if (decoder == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
359 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
360
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
361 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
362 if (args == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
364
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 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
366 if (result == NULL)
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
367 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
368 if (!PyTuple_Check(result) ||
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 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
370 PyErr_SetString(PyExc_TypeError,
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 "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
372 goto onError;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
373 }
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 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
375 Py_INCREF(v);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
376 /* 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
377
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 Py_DECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 Py_DECREF(decoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
380 Py_DECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 return v;
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
382
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
383 onError:
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
384 Py_XDECREF(args);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 Py_XDECREF(decoder);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 Py_XDECREF(result);
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 return NULL;
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
28462
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
390 static int _PyCodecRegistry_Init(void)
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
391 {
28462
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
392 PyInterpreterState *interp = PyThreadState_Get()->interp;
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
393 PyObject *mod;
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
394
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
395 if (interp->codec_search_path != NULL)
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
396 return 0;
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
397
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
398 interp->codec_search_path = PyList_New(0);
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
399 interp->codec_search_cache = PyDict_New();
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
400
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
401 if (interp->codec_search_path == NULL ||
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
402 interp->codec_search_cache == NULL)
13620
5b727ab37092 Spelling fixes supplied by Rob W. W. Hooft. All these are fixes in either
Thomas Wouters <thomas@python.org>
parents: 13330
diff changeset
403 Py_FatalError("can't initialize codec registry");
28462
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
404
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
405 mod = PyImport_ImportModuleEx("encodings", NULL, NULL, NULL);
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
406 if (mod == NULL) {
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
407 if (PyErr_ExceptionMatches(PyExc_ImportError)) {
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
408 /* Ignore ImportErrors... this is done so that
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
409 distributions can disable the encodings package. Note
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
410 that other errors are not masked, e.g. SystemErrors
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
411 raised to inform the user of an error in the Python
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
412 configuration are still reported back to the user. */
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
413 PyErr_Clear();
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
414 return 0;
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
415 }
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
416 return -1;
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
417 }
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
418 Py_DECREF(mod);
a8d6576b95af Patch #710576: Implement per-interpreter-state codec registries.
Martin v. Löwis <martin@v.loewis.de>
parents: 25484
diff changeset
419 return 0;
11972
d0e06efb3165 Python Codec Registry and support functions, written by Marc-Andre
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 }