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1244 lines
37 KiB
C
1244 lines
37 KiB
C
/* ------------------------------------------------------------------------
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_codecs -- Provides access to the codec registry and the builtin
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codecs.
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This module should never be imported directly. The standard library
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module "codecs" wraps this builtin module for use within Python.
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The codec registry is accessible via:
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register(search_function) -> None
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lookup(encoding) -> CodecInfo object
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The builtin Unicode codecs use the following interface:
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<encoding>_encode(Unicode_object[,errors='strict']) ->
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(string object, bytes consumed)
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<encoding>_decode(char_buffer_obj[,errors='strict']) ->
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(Unicode object, bytes consumed)
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<encoding>_encode() interfaces also accept non-Unicode object as
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input. The objects are then converted to Unicode using
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PyUnicode_FromObject() prior to applying the conversion.
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These <encoding>s are available: utf_8, unicode_escape,
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raw_unicode_escape, unicode_internal, latin_1, ascii (7-bit),
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mbcs (on win32).
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Written by Marc-Andre Lemburg (mal@lemburg.com).
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Copyright (c) Corporation for National Research Initiatives.
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------------------------------------------------------------------------ */
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#define PY_SSIZE_T_CLEAN
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#include "Python.h"
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#ifdef MS_WINDOWS
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#include <windows.h>
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#endif
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/*[clinic input]
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module _codecs
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[clinic start generated code]*/
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/*[clinic end generated code: output=da39a3ee5e6b4b0d input=e1390e3da3cb9deb]*/
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#include "clinic/_codecsmodule.c.h"
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/* --- Registry ----------------------------------------------------------- */
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/*[clinic input]
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_codecs.register
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search_function: object
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/
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Register a codec search function.
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Search functions are expected to take one argument, the encoding name in
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all lower case letters, and either return None, or a tuple of functions
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(encoder, decoder, stream_reader, stream_writer) (or a CodecInfo object).
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[clinic start generated code]*/
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static PyObject *
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_codecs_register(PyModuleDef *module, PyObject *search_function)
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/*[clinic end generated code: output=d17608b6ad380eb8 input=369578467955cae4]*/
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{
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if (PyCodec_Register(search_function))
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return NULL;
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Py_RETURN_NONE;
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}
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/*[clinic input]
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_codecs.lookup
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encoding: str
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/
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Looks up a codec tuple in the Python codec registry and returns a CodecInfo object.
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[clinic start generated code]*/
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static PyObject *
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_codecs_lookup_impl(PyModuleDef *module, const char *encoding)
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/*[clinic end generated code: output=798e41aff0c04ef6 input=3c572c0db3febe9c]*/
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{
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return _PyCodec_Lookup(encoding);
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}
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/*[clinic input]
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_codecs.encode
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obj: object
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encoding: str(c_default="NULL") = "utf-8"
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errors: str(c_default="NULL") = "strict"
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Encodes obj using the codec registered for encoding.
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The default encoding is 'utf-8'. errors may be given to set a
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different error handling scheme. Default is 'strict' meaning that encoding
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errors raise a ValueError. Other possible values are 'ignore', 'replace'
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and 'backslashreplace' as well as any other name registered with
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codecs.register_error that can handle ValueErrors.
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[clinic start generated code]*/
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static PyObject *
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_codecs_encode_impl(PyModuleDef *module, PyObject *obj, const char *encoding,
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const char *errors)
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/*[clinic end generated code: output=5c073f62249c8d7c input=cd5b685040ff61f0]*/
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{
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if (encoding == NULL)
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encoding = PyUnicode_GetDefaultEncoding();
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/* Encode via the codec registry */
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return PyCodec_Encode(obj, encoding, errors);
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}
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/*[clinic input]
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_codecs.decode
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obj: object
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encoding: str(c_default="NULL") = "utf-8"
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errors: str(c_default="NULL") = "strict"
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Decodes obj using the codec registered for encoding.
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Default encoding is 'utf-8'. errors may be given to set a
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different error handling scheme. Default is 'strict' meaning that encoding
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errors raise a ValueError. Other possible values are 'ignore', 'replace'
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and 'backslashreplace' as well as any other name registered with
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codecs.register_error that can handle ValueErrors.
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[clinic start generated code]*/
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static PyObject *
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_codecs_decode_impl(PyModuleDef *module, PyObject *obj, const char *encoding,
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const char *errors)
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/*[clinic end generated code: output=c81cbf6189a7f878 input=7702c0cc2fa1add6]*/
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{
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if (encoding == NULL)
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encoding = PyUnicode_GetDefaultEncoding();
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/* Decode via the codec registry */
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return PyCodec_Decode(obj, encoding, errors);
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}
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/* --- Helpers ------------------------------------------------------------ */
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/*[clinic input]
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_codecs._forget_codec
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encoding: str
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/
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Purge the named codec from the internal codec lookup cache
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[clinic start generated code]*/
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static PyObject *
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_codecs__forget_codec_impl(PyModuleDef *module, const char *encoding)
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/*[clinic end generated code: output=b56a9b99d2d28080 input=18d5d92d0e386c38]*/
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{
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if (_PyCodec_Forget(encoding) < 0) {
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return NULL;
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};
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Py_RETURN_NONE;
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}
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static
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PyObject *codec_tuple(PyObject *decoded,
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Py_ssize_t len)
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{
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if (decoded == NULL)
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return NULL;
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return Py_BuildValue("Nn", decoded, len);
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}
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/* --- String codecs ------------------------------------------------------ */
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/*[clinic input]
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_codecs.escape_decode
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data: Py_buffer(accept={str, buffer})
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errors: str(accept={str, NoneType}) = NULL
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/
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[clinic start generated code]*/
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static PyObject *
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_codecs_escape_decode_impl(PyModuleDef *module, Py_buffer *data,
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const char *errors)
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/*[clinic end generated code: output=648fa3e78d03e658 input=0018edfd99db714d]*/
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{
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PyObject *decoded = PyBytes_DecodeEscape(data->buf, data->len,
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errors, 0, NULL);
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return codec_tuple(decoded, data->len);
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}
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/*[clinic input]
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_codecs.escape_encode
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data: object(subclass_of='&PyBytes_Type')
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errors: str(accept={str, NoneType}) = NULL
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/
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[clinic start generated code]*/
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static PyObject *
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_codecs_escape_encode_impl(PyModuleDef *module, PyObject *data,
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const char *errors)
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/*[clinic end generated code: output=fcd6f34fe4111c50 input=da9ded00992f32f2]*/
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{
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Py_ssize_t size;
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Py_ssize_t newsize;
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PyObject *v;
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size = PyBytes_GET_SIZE(data);
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if (size > PY_SSIZE_T_MAX / 4) {
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PyErr_SetString(PyExc_OverflowError,
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"string is too large to encode");
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return NULL;
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}
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newsize = 4*size;
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v = PyBytes_FromStringAndSize(NULL, newsize);
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if (v == NULL) {
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return NULL;
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}
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else {
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Py_ssize_t i;
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char c;
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char *p = PyBytes_AS_STRING(v);
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for (i = 0; i < size; i++) {
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/* There's at least enough room for a hex escape */
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assert(newsize - (p - PyBytes_AS_STRING(v)) >= 4);
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c = PyBytes_AS_STRING(data)[i];
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if (c == '\'' || c == '\\')
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*p++ = '\\', *p++ = c;
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else if (c == '\t')
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*p++ = '\\', *p++ = 't';
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else if (c == '\n')
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*p++ = '\\', *p++ = 'n';
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else if (c == '\r')
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*p++ = '\\', *p++ = 'r';
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else if (c < ' ' || c >= 0x7f) {
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*p++ = '\\';
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*p++ = 'x';
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*p++ = Py_hexdigits[(c & 0xf0) >> 4];
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*p++ = Py_hexdigits[c & 0xf];
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}
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else
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*p++ = c;
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}
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*p = '\0';
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if (_PyBytes_Resize(&v, (p - PyBytes_AS_STRING(v)))) {
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return NULL;
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}
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}
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return codec_tuple(v, size);
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}
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/* --- Decoder ------------------------------------------------------------ */
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/*[clinic input]
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_codecs.unicode_internal_decode
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obj: object
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errors: str(accept={str, NoneType}) = NULL
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/
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[clinic start generated code]*/
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static PyObject *
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_codecs_unicode_internal_decode_impl(PyModuleDef *module, PyObject *obj,
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const char *errors)
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/*[clinic end generated code: output=9fe47c2cd8807d92 input=8d57930aeda170c6]*/
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{
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if (PyUnicode_Check(obj)) {
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if (PyUnicode_READY(obj) < 0)
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return NULL;
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Py_INCREF(obj);
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return codec_tuple(obj, PyUnicode_GET_LENGTH(obj));
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}
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else {
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Py_buffer view;
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PyObject *result;
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if (PyObject_GetBuffer(obj, &view, PyBUF_SIMPLE) != 0)
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return NULL;
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result = codec_tuple(
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_PyUnicode_DecodeUnicodeInternal(view.buf, view.len, errors),
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view.len);
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PyBuffer_Release(&view);
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return result;
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}
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}
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/*[clinic input]
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_codecs.utf_7_decode
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data: Py_buffer
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errors: str(accept={str, NoneType}) = NULL
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final: int(c_default="0") = False
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/
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[clinic start generated code]*/
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static PyObject *
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_codecs_utf_7_decode_impl(PyModuleDef *module, Py_buffer *data,
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const char *errors, int final)
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/*[clinic end generated code: output=ca945e907e72e827 input=bc4d6247ecdb01e6]*/
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{
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Py_ssize_t consumed = data->len;
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PyObject *decoded = PyUnicode_DecodeUTF7Stateful(data->buf, data->len,
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errors,
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final ? NULL : &consumed);
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return codec_tuple(decoded, consumed);
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}
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|
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/*[clinic input]
|
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_codecs.utf_8_decode
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data: Py_buffer
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errors: str(accept={str, NoneType}) = NULL
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final: int(c_default="0") = False
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/
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[clinic start generated code]*/
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|
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static PyObject *
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_codecs_utf_8_decode_impl(PyModuleDef *module, Py_buffer *data,
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const char *errors, int final)
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/*[clinic end generated code: output=7309f9ff4ef5c9b6 input=39161d71e7422ee2]*/
|
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{
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Py_ssize_t consumed = data->len;
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PyObject *decoded = PyUnicode_DecodeUTF8Stateful(data->buf, data->len,
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errors,
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final ? NULL : &consumed);
|
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return codec_tuple(decoded, consumed);
|
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}
|
|
|
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/*[clinic input]
|
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_codecs.utf_16_decode
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data: Py_buffer
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errors: str(accept={str, NoneType}) = NULL
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final: int(c_default="0") = False
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/
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[clinic start generated code]*/
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|
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static PyObject *
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_codecs_utf_16_decode_impl(PyModuleDef *module, Py_buffer *data,
|
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const char *errors, int final)
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/*[clinic end generated code: output=8d2fa0507d9bef2c input=f3cf01d1461007ce]*/
|
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{
|
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int byteorder = 0;
|
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/* This is overwritten unless final is true. */
|
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Py_ssize_t consumed = data->len;
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PyObject *decoded = PyUnicode_DecodeUTF16Stateful(data->buf, data->len,
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errors, &byteorder,
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final ? NULL : &consumed);
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return codec_tuple(decoded, consumed);
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}
|
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|
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/*[clinic input]
|
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_codecs.utf_16_le_decode
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data: Py_buffer
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errors: str(accept={str, NoneType}) = NULL
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final: int(c_default="0") = False
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/
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[clinic start generated code]*/
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|
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static PyObject *
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_codecs_utf_16_le_decode_impl(PyModuleDef *module, Py_buffer *data,
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const char *errors, int final)
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/*[clinic end generated code: output=4fd621515ef4ce18 input=a77e3bf97335d94e]*/
|
|
{
|
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int byteorder = -1;
|
|
/* This is overwritten unless final is true. */
|
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Py_ssize_t consumed = data->len;
|
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PyObject *decoded = PyUnicode_DecodeUTF16Stateful(data->buf, data->len,
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errors, &byteorder,
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final ? NULL : &consumed);
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return codec_tuple(decoded, consumed);
|
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}
|
|
|
|
/*[clinic input]
|
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_codecs.utf_16_be_decode
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data: Py_buffer
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errors: str(accept={str, NoneType}) = NULL
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final: int(c_default="0") = False
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/
|
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[clinic start generated code]*/
|
|
|
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static PyObject *
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_codecs_utf_16_be_decode_impl(PyModuleDef *module, Py_buffer *data,
|
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const char *errors, int final)
|
|
/*[clinic end generated code: output=792f4eacb3e1fa05 input=606f69fae91b5563]*/
|
|
{
|
|
int byteorder = 1;
|
|
/* This is overwritten unless final is true. */
|
|
Py_ssize_t consumed = data->len;
|
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PyObject *decoded = PyUnicode_DecodeUTF16Stateful(data->buf, data->len,
|
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errors, &byteorder,
|
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final ? NULL : &consumed);
|
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return codec_tuple(decoded, consumed);
|
|
}
|
|
|
|
/* This non-standard version also provides access to the byteorder
|
|
parameter of the builtin UTF-16 codec.
|
|
|
|
It returns a tuple (unicode, bytesread, byteorder) with byteorder
|
|
being the value in effect at the end of data.
|
|
|
|
*/
|
|
/*[clinic input]
|
|
_codecs.utf_16_ex_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
byteorder: int = 0
|
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final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_16_ex_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, int byteorder, int final)
|
|
/*[clinic end generated code: output=f136a186dc2defa0 input=f6e7f697658c013e]*/
|
|
{
|
|
/* This is overwritten unless final is true. */
|
|
Py_ssize_t consumed = data->len;
|
|
|
|
PyObject *decoded = PyUnicode_DecodeUTF16Stateful(data->buf, data->len,
|
|
errors, &byteorder,
|
|
final ? NULL : &consumed);
|
|
if (decoded == NULL)
|
|
return NULL;
|
|
return Py_BuildValue("Nni", decoded, consumed, byteorder);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_32_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, int final)
|
|
/*[clinic end generated code: output=b7635e55857e8efb input=86d4f41c6c2e763d]*/
|
|
{
|
|
int byteorder = 0;
|
|
/* This is overwritten unless final is true. */
|
|
Py_ssize_t consumed = data->len;
|
|
PyObject *decoded = PyUnicode_DecodeUTF32Stateful(data->buf, data->len,
|
|
errors, &byteorder,
|
|
final ? NULL : &consumed);
|
|
return codec_tuple(decoded, consumed);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_32_le_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_le_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, int final)
|
|
/*[clinic end generated code: output=a79d1787d8ddf988 input=d18b650772d188ba]*/
|
|
{
|
|
int byteorder = -1;
|
|
/* This is overwritten unless final is true. */
|
|
Py_ssize_t consumed = data->len;
|
|
PyObject *decoded = PyUnicode_DecodeUTF32Stateful(data->buf, data->len,
|
|
errors, &byteorder,
|
|
final ? NULL : &consumed);
|
|
return codec_tuple(decoded, consumed);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_32_be_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_be_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, int final)
|
|
/*[clinic end generated code: output=a8356b0f36779981 input=19c271b5d34926d8]*/
|
|
{
|
|
int byteorder = 1;
|
|
/* This is overwritten unless final is true. */
|
|
Py_ssize_t consumed = data->len;
|
|
PyObject *decoded = PyUnicode_DecodeUTF32Stateful(data->buf, data->len,
|
|
errors, &byteorder,
|
|
final ? NULL : &consumed);
|
|
return codec_tuple(decoded, consumed);
|
|
}
|
|
|
|
/* This non-standard version also provides access to the byteorder
|
|
parameter of the builtin UTF-32 codec.
|
|
|
|
It returns a tuple (unicode, bytesread, byteorder) with byteorder
|
|
being the value in effect at the end of data.
|
|
|
|
*/
|
|
/*[clinic input]
|
|
_codecs.utf_32_ex_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
byteorder: int = 0
|
|
final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_ex_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, int byteorder, int final)
|
|
/*[clinic end generated code: output=ab8c70977c1992f5 input=4af3e6ccfe34a076]*/
|
|
{
|
|
Py_ssize_t consumed = data->len;
|
|
PyObject *decoded = PyUnicode_DecodeUTF32Stateful(data->buf, data->len,
|
|
errors, &byteorder,
|
|
final ? NULL : &consumed);
|
|
if (decoded == NULL)
|
|
return NULL;
|
|
return Py_BuildValue("Nni", decoded, consumed, byteorder);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.unicode_escape_decode
|
|
data: Py_buffer(accept={str, buffer})
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_unicode_escape_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=d1aa63f2620c4999 input=49fd27d06813a7f5]*/
|
|
{
|
|
PyObject *decoded = PyUnicode_DecodeUnicodeEscape(data->buf, data->len,
|
|
errors);
|
|
return codec_tuple(decoded, data->len);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.raw_unicode_escape_decode
|
|
data: Py_buffer(accept={str, buffer})
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_raw_unicode_escape_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=0bf96cc182d81379 input=770903a211434ebc]*/
|
|
{
|
|
PyObject *decoded = PyUnicode_DecodeRawUnicodeEscape(data->buf, data->len,
|
|
errors);
|
|
return codec_tuple(decoded, data->len);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.latin_1_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_latin_1_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=66b916f5055aaf13 input=5cad0f1759c618ec]*/
|
|
{
|
|
PyObject *decoded = PyUnicode_DecodeLatin1(data->buf, data->len, errors);
|
|
return codec_tuple(decoded, data->len);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.ascii_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_ascii_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=7f213a1b5cdafc65 input=ad1106f64037bd16]*/
|
|
{
|
|
PyObject *decoded = PyUnicode_DecodeASCII(data->buf, data->len, errors);
|
|
return codec_tuple(decoded, data->len);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.charmap_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
mapping: object = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_charmap_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, PyObject *mapping)
|
|
/*[clinic end generated code: output=87d27f365098bbae input=19712ca35c5a80e2]*/
|
|
{
|
|
PyObject *decoded;
|
|
|
|
if (mapping == Py_None)
|
|
mapping = NULL;
|
|
|
|
decoded = PyUnicode_DecodeCharmap(data->buf, data->len, mapping, errors);
|
|
return codec_tuple(decoded, data->len);
|
|
}
|
|
|
|
#ifdef HAVE_MBCS
|
|
|
|
/*[clinic input]
|
|
_codecs.mbcs_decode
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_mbcs_decode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors, int final)
|
|
/*[clinic end generated code: output=0ebaf3a5b20e53fa input=d492c1ca64f4fa8a]*/
|
|
{
|
|
Py_ssize_t consumed = data->len;
|
|
PyObject *decoded = PyUnicode_DecodeMBCSStateful(data->buf, data->len,
|
|
errors, final ? NULL : &consumed);
|
|
return codec_tuple(decoded, consumed);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.code_page_decode
|
|
codepage: int
|
|
data: Py_buffer
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
final: int(c_default="0") = False
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_code_page_decode_impl(PyModuleDef *module, int codepage,
|
|
Py_buffer *data, const char *errors, int final)
|
|
/*[clinic end generated code: output=4318e3d9971e31ba input=4f3152a304e21d51]*/
|
|
{
|
|
Py_ssize_t consumed = data->len;
|
|
PyObject *decoded = PyUnicode_DecodeCodePageStateful(codepage,
|
|
data->buf, data->len,
|
|
errors,
|
|
final ? NULL : &consumed);
|
|
return codec_tuple(decoded, consumed);
|
|
}
|
|
|
|
#endif /* HAVE_MBCS */
|
|
|
|
/* --- Encoder ------------------------------------------------------------ */
|
|
|
|
/*[clinic input]
|
|
_codecs.readbuffer_encode
|
|
data: Py_buffer(accept={str, buffer})
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_readbuffer_encode_impl(PyModuleDef *module, Py_buffer *data,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=319cc24083299859 input=b7c322b89d4ab923]*/
|
|
{
|
|
PyObject *result = PyBytes_FromStringAndSize(data->buf, data->len);
|
|
return codec_tuple(result, data->len);
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.unicode_internal_encode
|
|
obj: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_unicode_internal_encode_impl(PyModuleDef *module, PyObject *obj,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=be08457068ad503b input=8628f0280cf5ba61]*/
|
|
{
|
|
if (PyErr_WarnEx(PyExc_DeprecationWarning,
|
|
"unicode_internal codec has been deprecated",
|
|
1))
|
|
return NULL;
|
|
|
|
if (PyUnicode_Check(obj)) {
|
|
Py_UNICODE *u;
|
|
Py_ssize_t len, size;
|
|
|
|
if (PyUnicode_READY(obj) < 0)
|
|
return NULL;
|
|
|
|
u = PyUnicode_AsUnicodeAndSize(obj, &len);
|
|
if (u == NULL)
|
|
return NULL;
|
|
if ((size_t)len > (size_t)PY_SSIZE_T_MAX / sizeof(Py_UNICODE))
|
|
return PyErr_NoMemory();
|
|
size = len * sizeof(Py_UNICODE);
|
|
return codec_tuple(PyBytes_FromStringAndSize((const char*)u, size),
|
|
PyUnicode_GET_LENGTH(obj));
|
|
}
|
|
else {
|
|
Py_buffer view;
|
|
PyObject *result;
|
|
if (PyObject_GetBuffer(obj, &view, PyBUF_SIMPLE) != 0)
|
|
return NULL;
|
|
result = codec_tuple(PyBytes_FromStringAndSize(view.buf, view.len),
|
|
view.len);
|
|
PyBuffer_Release(&view);
|
|
return result;
|
|
}
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_7_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_7_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=a7accc496a32b759 input=fd91a78f103b0421]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF7(str, 0, 0, errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_8_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_8_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=ec831d80e7aedede input=2c22d40532f071f3]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(PyUnicode_AsEncodedString(str, "utf-8", errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/* This version provides access to the byteorder parameter of the
|
|
builtin UTF-16 codecs as optional third argument. It defaults to 0
|
|
which means: use the native byte order and prepend the data with a
|
|
BOM mark.
|
|
|
|
*/
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_16_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
byteorder: int = 0
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_16_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors, int byteorder)
|
|
/*[clinic end generated code: output=93ac58e960a9ee4d input=3935a489b2d5385e]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF16(str, errors, byteorder),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_16_le_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_16_le_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=422bedb8da34fb66 input=bc27df05d1d20dfe]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF16(str, errors, -1),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_16_be_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_16_be_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=3aa7ee9502acdd77 input=5a69d4112763462b]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF16(str, errors, +1),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/* This version provides access to the byteorder parameter of the
|
|
builtin UTF-32 codecs as optional third argument. It defaults to 0
|
|
which means: use the native byte order and prepend the data with a
|
|
BOM mark.
|
|
|
|
*/
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_32_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
byteorder: int = 0
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors, int byteorder)
|
|
/*[clinic end generated code: output=3e7d5a003b02baed input=434a1efa492b8d58]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF32(str, errors, byteorder),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_32_le_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_le_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=5dda641cd33dbfc2 input=dfa2d7dc78b99422]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF32(str, errors, -1),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.utf_32_be_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_utf_32_be_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=ccca8b44d91a7c7a input=4595617b18169002]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeUTF32(str, errors, +1),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.unicode_escape_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_unicode_escape_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=389f23d2b8f8d80b input=8273506f14076912]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(PyUnicode_AsUnicodeEscapeString(str),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.raw_unicode_escape_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_raw_unicode_escape_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=fec4e39d6ec37a62 input=181755d5dfacef3c]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(PyUnicode_AsRawUnicodeEscapeString(str),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.latin_1_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_latin_1_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=ecf00eb8e48c889c input=f03f6dcf1d84bee4]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_AsLatin1String(str, errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.ascii_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_ascii_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=a9d18fc6b6b91cfb input=d87e25a10a593fee]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_AsASCIIString(str, errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.charmap_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
mapping: object = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_charmap_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors, PyObject *mapping)
|
|
/*[clinic end generated code: output=14ca42b83853c643 input=85f4172661e8dad9]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
if (mapping == Py_None)
|
|
mapping = NULL;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(_PyUnicode_EncodeCharmap(str, mapping, errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.charmap_build
|
|
map: unicode
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_charmap_build_impl(PyModuleDef *module, PyObject *map)
|
|
/*[clinic end generated code: output=9485b58fa44afa6a input=d91a91d1717dbc6d]*/
|
|
{
|
|
return PyUnicode_BuildEncodingMap(map);
|
|
}
|
|
|
|
#ifdef HAVE_MBCS
|
|
|
|
/*[clinic input]
|
|
_codecs.mbcs_encode
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_mbcs_encode_impl(PyModuleDef *module, PyObject *str,
|
|
const char *errors)
|
|
/*[clinic end generated code: output=d1a013bc68798bd7 input=65c09ee1e4203263]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(PyUnicode_EncodeCodePage(CP_ACP, str, errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.code_page_encode
|
|
code_page: int
|
|
str: object
|
|
errors: str(accept={str, NoneType}) = NULL
|
|
/
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_code_page_encode_impl(PyModuleDef *module, int code_page,
|
|
PyObject *str, const char *errors)
|
|
/*[clinic end generated code: output=3b406618dbfbce25 input=c8562ec460c2e309]*/
|
|
{
|
|
PyObject *v;
|
|
|
|
str = PyUnicode_FromObject(str);
|
|
if (str == NULL || PyUnicode_READY(str) < 0) {
|
|
Py_XDECREF(str);
|
|
return NULL;
|
|
}
|
|
v = codec_tuple(PyUnicode_EncodeCodePage(code_page,
|
|
str,
|
|
errors),
|
|
PyUnicode_GET_LENGTH(str));
|
|
Py_DECREF(str);
|
|
return v;
|
|
}
|
|
|
|
#endif /* HAVE_MBCS */
|
|
|
|
/* --- Error handler registry --------------------------------------------- */
|
|
|
|
/*[clinic input]
|
|
_codecs.register_error
|
|
errors: str
|
|
handler: object
|
|
/
|
|
|
|
Register the specified error handler under the name errors.
|
|
|
|
handler must be a callable object, that will be called with an exception
|
|
instance containing information about the location of the encoding/decoding
|
|
error and must return a (replacement, new position) tuple.
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_register_error_impl(PyModuleDef *module, const char *errors,
|
|
PyObject *handler)
|
|
/*[clinic end generated code: output=be00d3b1849ce68a input=5e6709203c2e33fe]*/
|
|
{
|
|
if (PyCodec_RegisterError(errors, handler))
|
|
return NULL;
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
/*[clinic input]
|
|
_codecs.lookup_error
|
|
name: str
|
|
/
|
|
|
|
lookup_error(errors) -> handler
|
|
|
|
Return the error handler for the specified error handling name or raise a
|
|
LookupError, if no handler exists under this name.
|
|
[clinic start generated code]*/
|
|
|
|
static PyObject *
|
|
_codecs_lookup_error_impl(PyModuleDef *module, const char *name)
|
|
/*[clinic end generated code: output=731e6df8c83c6158 input=4775dd65e6235aba]*/
|
|
{
|
|
return PyCodec_LookupError(name);
|
|
}
|
|
|
|
/* --- Module API --------------------------------------------------------- */
|
|
|
|
static PyMethodDef _codecs_functions[] = {
|
|
_CODECS_REGISTER_METHODDEF
|
|
_CODECS_LOOKUP_METHODDEF
|
|
_CODECS_ENCODE_METHODDEF
|
|
_CODECS_DECODE_METHODDEF
|
|
_CODECS_ESCAPE_ENCODE_METHODDEF
|
|
_CODECS_ESCAPE_DECODE_METHODDEF
|
|
_CODECS_UTF_8_ENCODE_METHODDEF
|
|
_CODECS_UTF_8_DECODE_METHODDEF
|
|
_CODECS_UTF_7_ENCODE_METHODDEF
|
|
_CODECS_UTF_7_DECODE_METHODDEF
|
|
_CODECS_UTF_16_ENCODE_METHODDEF
|
|
_CODECS_UTF_16_LE_ENCODE_METHODDEF
|
|
_CODECS_UTF_16_BE_ENCODE_METHODDEF
|
|
_CODECS_UTF_16_DECODE_METHODDEF
|
|
_CODECS_UTF_16_LE_DECODE_METHODDEF
|
|
_CODECS_UTF_16_BE_DECODE_METHODDEF
|
|
_CODECS_UTF_16_EX_DECODE_METHODDEF
|
|
_CODECS_UTF_32_ENCODE_METHODDEF
|
|
_CODECS_UTF_32_LE_ENCODE_METHODDEF
|
|
_CODECS_UTF_32_BE_ENCODE_METHODDEF
|
|
_CODECS_UTF_32_DECODE_METHODDEF
|
|
_CODECS_UTF_32_LE_DECODE_METHODDEF
|
|
_CODECS_UTF_32_BE_DECODE_METHODDEF
|
|
_CODECS_UTF_32_EX_DECODE_METHODDEF
|
|
_CODECS_UNICODE_ESCAPE_ENCODE_METHODDEF
|
|
_CODECS_UNICODE_ESCAPE_DECODE_METHODDEF
|
|
_CODECS_UNICODE_INTERNAL_ENCODE_METHODDEF
|
|
_CODECS_UNICODE_INTERNAL_DECODE_METHODDEF
|
|
_CODECS_RAW_UNICODE_ESCAPE_ENCODE_METHODDEF
|
|
_CODECS_RAW_UNICODE_ESCAPE_DECODE_METHODDEF
|
|
_CODECS_LATIN_1_ENCODE_METHODDEF
|
|
_CODECS_LATIN_1_DECODE_METHODDEF
|
|
_CODECS_ASCII_ENCODE_METHODDEF
|
|
_CODECS_ASCII_DECODE_METHODDEF
|
|
_CODECS_CHARMAP_ENCODE_METHODDEF
|
|
_CODECS_CHARMAP_DECODE_METHODDEF
|
|
_CODECS_CHARMAP_BUILD_METHODDEF
|
|
_CODECS_READBUFFER_ENCODE_METHODDEF
|
|
_CODECS_MBCS_ENCODE_METHODDEF
|
|
_CODECS_MBCS_DECODE_METHODDEF
|
|
_CODECS_CODE_PAGE_ENCODE_METHODDEF
|
|
_CODECS_CODE_PAGE_DECODE_METHODDEF
|
|
_CODECS_REGISTER_ERROR_METHODDEF
|
|
_CODECS_LOOKUP_ERROR_METHODDEF
|
|
_CODECS__FORGET_CODEC_METHODDEF
|
|
{NULL, NULL} /* sentinel */
|
|
};
|
|
|
|
static struct PyModuleDef codecsmodule = {
|
|
PyModuleDef_HEAD_INIT,
|
|
"_codecs",
|
|
NULL,
|
|
-1,
|
|
_codecs_functions,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
PyMODINIT_FUNC
|
|
PyInit__codecs(void)
|
|
{
|
|
return PyModule_Create(&codecsmodule);
|
|
}
|