Mailman 3 July 2004 - Python-checkins

python/dist/src/Lib/test test_builtin.py, 1.29, 1.30 test_descrtut.py, 1.19, 1.20
by rhettinger＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Lib/test In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18086/Lib/test Modified Files: test_builtin.py test_descrtut.py Log Message: SF Bug #215126: Over restricted type checking on eval() function The builtin eval() function now accepts any mapping for the locals argument. Time sensitive steps guarded by PyDict_CheckExact() to keep from slowing down the normal case. My timings so no measurable impact. Index: test_builtin.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/test/test_builtin.py,v retrieving revision 1.29 retrieving revision 1.30 diff -C2 -d -r1.29 -r1.30 *** test_builtin.py 12 Feb 2004 17:35:11 -0000 1.29 --- test_builtin.py 2 Jul 2004 06:41:05 -0000 1.30 *************** *** 4,8 **** from test.test_support import fcmp, have_unicode, TESTFN, unlink ! import sys, warnings, cStringIO, random warnings.filterwarnings("ignore", "hex../oct.. of negative int", FutureWarning, __name__) --- 4,8 ---- from test.test_support import fcmp, have_unicode, TESTFN, unlink ! import sys, warnings, cStringIO, random, UserDict warnings.filterwarnings("ignore", "hex../oct.. of negative int", FutureWarning, __name__) *************** *** 263,266 **** --- 263,320 ---- self.assertRaises(TypeError, eval, ()) + def test_general_eval(self): + # Tests that general mappings can be used for the locals argument + + class M: + "Test mapping interface versus possible calls from eval()." + def __getitem__(self, key): + if key == 'a': + return 12 + raise KeyError + def keys(self): + return list('xyz') + + m = M() + g = globals() + self.assertEqual(eval('a', g, m), 12) + self.assertRaises(NameError, eval, 'b', g, m) + self.assertEqual(eval('dir()', g, m), list('xyz')) + self.assertEqual(eval('globals()', g, m), g) + self.assertEqual(eval('locals()', g, m), m) + + # Verify that dict subclasses work as well + class D(dict): + def __getitem__(self, key): + if key == 'a': + return 12 + return dict.__getitem__(self, key) + def keys(self): + return list('xyz') + + d = D() + self.assertEqual(eval('a', g, d), 12) + self.assertRaises(NameError, eval, 'b', g, d) + self.assertEqual(eval('dir()', g, d), list('xyz')) + self.assertEqual(eval('globals()', g, d), g) + self.assertEqual(eval('locals()', g, d), d) + + # Verify locals stores (used by list comps) + eval('[locals() for i in (2,3)]', g, d) + eval('[locals() for i in (2,3)]', g, UserDict.UserDict()) + + class SpreadSheet: + "Sample application showing nested, calculated lookups." + _cells = {} + def __setitem__(self, key, formula): + self._cells[key] = formula + def __getitem__(self, key ): + return eval(self._cells[key], globals(), self) + + ss = SpreadSheet() + ss['a1'] = '5' + ss['a2'] = 'a1*6' + ss['a3'] = 'a2*7' + self.assertEqual(ss['a3'], 210) + # Done outside of the method test_z to get the correct scope z = 0 Index: test_descrtut.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/test/test_descrtut.py,v retrieving revision 1.19 retrieving revision 1.20 diff -C2 -d -r1.19 -r1.20 *** test_descrtut.py 17 Dec 2003 20:43:32 -0000 1.19 --- test_descrtut.py 2 Jul 2004 06:41:05 -0000 1.20 *************** *** 79,92 **** >>> - However, our __getitem__() method is not used for variable access by the - interpreter: - - >>> exec "print foo" in a - Traceback (most recent call last): - File "<stdin>", line 1, in ? - File "<string>", line 1, in ? - NameError: name 'foo' is not defined - >>> - Now I'll show that defaultdict instances have dynamic instance variables, just like classic classes: --- 79,82 ----

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python/dist/src/Doc/lib libfuncs.tex,1.165,1.166
by rhettinger＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Doc/lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18086/Doc/lib Modified Files: libfuncs.tex Log Message: SF Bug #215126: Over restricted type checking on eval() function The builtin eval() function now accepts any mapping for the locals argument. Time sensitive steps guarded by PyDict_CheckExact() to keep from slowing down the normal case. My timings so no measurable impact. Index: libfuncs.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/lib/libfuncs.tex,v retrieving revision 1.165 retrieving revision 1.166 diff -C2 -d -r1.165 -r1.166 *** libfuncs.tex 5 May 2004 16:49:11 -0000 1.165 --- libfuncs.tex 2 Jul 2004 06:41:04 -0000 1.166 *************** *** 292,297 **** \begin{funcdesc}{eval}{expression\optional{, globals\optional{, locals}}} ! The arguments are a string and two optional dictionaries. The ! \var{expression} argument is parsed and evaluated as a Python expression (technically speaking, a condition list) using the \var{globals} and \var{locals} dictionaries as global and local name --- 292,301 ---- \begin{funcdesc}{eval}{expression\optional{, globals\optional{, locals}}} ! The arguments are a string and optional globals and locals. If provided, ! \var{globals} must be a dictionary. If provided, \var{locals} can be ! any mapping object. \versionchanged[formerly \var{locals} was required ! to be a dictionary]{2.4} ! ! The \var{expression} argument is parsed and evaluated as a Python expression (technically speaking, a condition list) using the \var{globals} and \var{locals} dictionaries as global and local name

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python/dist/src/Include frameobject.h,2.37,2.38
by rhettinger＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Include In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18086/Include Modified Files: frameobject.h Log Message: SF Bug #215126: Over restricted type checking on eval() function The builtin eval() function now accepts any mapping for the locals argument. Time sensitive steps guarded by PyDict_CheckExact() to keep from slowing down the normal case. My timings so no measurable impact. Index: frameobject.h =================================================================== RCS file: /cvsroot/python/python/dist/src/Include/frameobject.h,v retrieving revision 2.37 retrieving revision 2.38 diff -C2 -d -r2.37 -r2.38 *** frameobject.h 11 Sep 2002 15:36:31 -0000 2.37 --- frameobject.h 2 Jul 2004 06:41:04 -0000 2.38 *************** *** 20,24 **** PyObject *f_builtins; /* builtin symbol table (PyDictObject) */ PyObject *f_globals; /* global symbol table (PyDictObject) */ ! PyObject *f_locals; /* local symbol table (PyDictObject) */ PyObject **f_valuestack; /* points after the last local */ /* Next free slot in f_valuestack. Frame creation sets to f_valuestack. --- 20,24 ---- PyObject *f_builtins; /* builtin symbol table (PyDictObject) */ PyObject *f_globals; /* global symbol table (PyDictObject) */ ! PyObject *f_locals; /* local symbol table (any mapping) */ PyObject **f_valuestack; /* points after the last local */ /* Next free slot in f_valuestack. Frame creation sets to f_valuestack.

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python/dist/src/Python bltinmodule.c, 2.309, 2.310 ceval.c, 2.407, 2.408
by rhettinger＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Python In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18086/Python Modified Files: bltinmodule.c ceval.c Log Message: SF Bug #215126: Over restricted type checking on eval() function The builtin eval() function now accepts any mapping for the locals argument. Time sensitive steps guarded by PyDict_CheckExact() to keep from slowing down the normal case. My timings so no measurable impact. Index: bltinmodule.c =================================================================== RCS file: /cvsroot/python/python/dist/src/Python/bltinmodule.c,v retrieving revision 2.309 retrieving revision 2.310 diff -C2 -d -r2.309 -r2.310 *** bltinmodule.c 29 Mar 2004 11:50:55 -0000 2.309 --- bltinmodule.c 2 Jul 2004 06:41:07 -0000 2.310 *************** *** 456,464 **** PyCompilerFlags cf; ! if (!PyArg_ParseTuple(args, "O|O!O!:eval", ! &cmd, ! &PyDict_Type, &globals, ! &PyDict_Type, &locals)) return NULL; if (globals == Py_None) { globals = PyEval_GetGlobals(); --- 456,470 ---- PyCompilerFlags cf; ! if (!PyArg_UnpackTuple(args, "eval", 1, 3, &cmd, &globals, &locals)) return NULL; + if (locals != Py_None && !PyMapping_Check(locals)) { + PyErr_SetString(PyExc_TypeError, "locals must be a mapping"); + return NULL; + } + if (globals != Py_None && !PyDict_Check(globals)) { + PyErr_SetString(PyExc_TypeError, PyMapping_Check(globals) ? + "globals must be a real dict; try eval(expr, {}, mapping)" + : "globals must be a dict"); + } if (globals == Py_None) { globals = PyEval_GetGlobals(); *************** *** 518,523 **** The source may be a string representing a Python expression\n\ or a code object as returned by compile().\n\ ! The globals and locals are dictionaries, defaulting to the current\n\ ! globals and locals. If only globals is given, locals defaults to it."); --- 524,530 ---- The source may be a string representing a Python expression\n\ or a code object as returned by compile().\n\ ! The globals must be a dictionary and locals can be any mappping,\n\ ! defaulting to the current globals and locals.\n\ ! If only globals is given, locals defaults to it.\n"); Index: ceval.c =================================================================== RCS file: /cvsroot/python/python/dist/src/Python/ceval.c,v retrieving revision 2.407 retrieving revision 2.408 diff -C2 -d -r2.407 -r2.408 *** ceval.c 27 Jun 2004 15:43:12 -0000 2.407 --- ceval.c 2 Jul 2004 06:41:07 -0000 2.408 *************** *** 1644,1648 **** v = POP(); if ((x = f->f_locals) != NULL) { ! err = PyDict_SetItem(x, w, v); Py_DECREF(v); if (err == 0) continue; --- 1644,1651 ---- v = POP(); if ((x = f->f_locals) != NULL) { ! if (PyDict_CheckExact(v)) ! err = PyDict_SetItem(x, w, v); ! else ! err = PyObject_SetItem(x, w, v); Py_DECREF(v); if (err == 0) continue; *************** *** 1657,1661 **** w = GETITEM(names, oparg); if ((x = f->f_locals) != NULL) { ! if ((err = PyDict_DelItem(x, w)) != 0) format_exc_check_arg(PyExc_NameError, NAME_ERROR_MSG ,w); --- 1660,1664 ---- w = GETITEM(names, oparg); if ((x = f->f_locals) != NULL) { ! if ((err = PyObject_DelItem(x, w)) != 0) format_exc_check_arg(PyExc_NameError, NAME_ERROR_MSG ,w); *************** *** 1734,1738 **** case LOAD_NAME: w = GETITEM(names, oparg); ! if ((x = f->f_locals) == NULL) { PyErr_Format(PyExc_SystemError, "no locals when loading %s", --- 1737,1741 ---- case LOAD_NAME: w = GETITEM(names, oparg); ! if ((v = f->f_locals) == NULL) { PyErr_Format(PyExc_SystemError, "no locals when loading %s", *************** *** 1740,1744 **** break; } ! x = PyDict_GetItem(x, w); if (x == NULL) { x = PyDict_GetItem(f->f_globals, w); --- 1743,1756 ---- break; } ! if (PyDict_CheckExact(v)) ! x = PyDict_GetItem(v, w); ! else { ! x = PyObject_GetItem(v, w); ! if (x == NULL && PyErr_Occurred()) { ! if (!PyErr_ExceptionMatches(PyExc_KeyError)) ! break; ! PyErr_Clear(); ! } ! } if (x == NULL) { x = PyDict_GetItem(f->f_globals, w);

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python/dist/src/Objects frameobject.c, 2.78, 2.79 object.c, 2.217, 2.218
by rhettinger＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Objects In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18086/Objects Modified Files: frameobject.c object.c Log Message: SF Bug #215126: Over restricted type checking on eval() function The builtin eval() function now accepts any mapping for the locals argument. Time sensitive steps guarded by PyDict_CheckExact() to keep from slowing down the normal case. My timings so no measurable impact. Index: frameobject.c =================================================================== RCS file: /cvsroot/python/python/dist/src/Objects/frameobject.c,v retrieving revision 2.78 retrieving revision 2.79 diff -C2 -d -r2.78 -r2.79 *** frameobject.c 20 Mar 2004 21:10:27 -0000 2.78 --- frameobject.c 2 Jul 2004 06:41:06 -0000 2.79 *************** *** 545,549 **** #ifdef Py_DEBUG if (code == NULL || globals == NULL || !PyDict_Check(globals) || ! (locals != NULL && !PyDict_Check(locals))) { PyErr_BadInternalCall(); return NULL; --- 545,549 ---- #ifdef Py_DEBUG if (code == NULL || globals == NULL || !PyDict_Check(globals) || ! (locals != NULL && !PyMapping_Check(locals))) { PyErr_BadInternalCall(); return NULL; *************** *** 689,697 **** value = PyCell_GET(value); if (value == NULL) { ! if (PyDict_DelItem(dict, key) != 0) PyErr_Clear(); } else { ! if (PyDict_SetItem(dict, key, value) != 0) PyErr_Clear(); } --- 689,697 ---- value = PyCell_GET(value); if (value == NULL) { ! if (PyObject_DelItem(dict, key) != 0) PyErr_Clear(); } else { ! if (PyObject_SetItem(dict, key, value) != 0) PyErr_Clear(); } *************** *** 706,710 **** for (j = nmap; --j >= 0; ) { PyObject *key = PyTuple_GET_ITEM(map, j); ! PyObject *value = PyDict_GetItem(dict, key); if (deref) { if (value || clear) { --- 706,712 ---- for (j = nmap; --j >= 0; ) { PyObject *key = PyTuple_GET_ITEM(map, j); ! PyObject *value = PyObject_GetItem(dict, key); ! if (value == NULL) ! PyErr_Clear(); if (deref) { if (value || clear) { *************** *** 721,724 **** --- 723,727 ---- } } + Py_XDECREF(value); } } *************** *** 743,747 **** } map = f->f_code->co_varnames; ! if (!PyDict_Check(locals) || !PyTuple_Check(map)) return; PyErr_Fetch(&error_type, &error_value, &error_traceback); --- 746,750 ---- } map = f->f_code->co_varnames; ! if (!PyTuple_Check(map)) return; PyErr_Fetch(&error_type, &error_value, &error_traceback); *************** *** 781,785 **** if (locals == NULL) return; ! if (!PyDict_Check(locals) || !PyTuple_Check(map)) return; PyErr_Fetch(&error_type, &error_value, &error_traceback); --- 784,788 ---- if (locals == NULL) return; ! if (!PyTuple_Check(map)) return; PyErr_Fetch(&error_type, &error_value, &error_traceback); Index: object.c =================================================================== RCS file: /cvsroot/python/python/dist/src/Objects/object.c,v retrieving revision 2.217 retrieving revision 2.218 diff -C2 -d -r2.217 -r2.218 *** object.c 22 Apr 2004 17:23:49 -0000 2.217 --- object.c 2 Jul 2004 06:41:06 -0000 2.218 *************** *** 1622,1626 **** if (locals == NULL) goto error; ! result = PyDict_Keys(locals); if (result == NULL) goto error; --- 1622,1626 ---- if (locals == NULL) goto error; ! result = PyMapping_Keys(locals); if (result == NULL) goto error;

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python/dist/src/Misc NEWS,1.1017,1.1018
by rhettinger＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Misc In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18086/Misc Modified Files: NEWS Log Message: SF Bug #215126: Over restricted type checking on eval() function The builtin eval() function now accepts any mapping for the locals argument. Time sensitive steps guarded by PyDict_CheckExact() to keep from slowing down the normal case. My timings so no measurable impact. Index: NEWS =================================================================== RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v retrieving revision 1.1017 retrieving revision 1.1018 diff -C2 -d -r1.1017 -r1.1018 *** NEWS 1 Jul 2004 11:01:27 -0000 1.1017 --- NEWS 2 Jul 2004 06:41:05 -0000 1.1018 *************** *** 13,16 **** --- 13,18 ---- ----------------- + - Bug #215126. The locals argument to eval() now accepts any mapping type. + - marshal now shares interned strings. This change introduces a new .pyc magic.

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python/dist/src/Doc/lib libcodecs.tex,1.29,1.30
by montanaro＠users.sourceforge.net July 2, 2004

July 2, 2004

Update of /cvsroot/python/python/dist/src/Doc/lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv12915 Modified Files: libcodecs.tex Log Message: add cp866 row Index: libcodecs.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/lib/libcodecs.tex,v retrieving revision 1.29 retrieving revision 1.30 diff -C2 -d -r1.29 -r1.30 *** libcodecs.tex 1 Jul 2004 19:26:04 -0000 1.29 --- libcodecs.tex 2 Jul 2004 02:14:34 -0000 1.30 *************** *** 617,620 **** --- 617,624 ---- {Danish, Norwegian} + \lineiii{cp866} + {866, IBM866} + {Russian} + \lineiii{cp869} {869, CP-GR, IBM869}

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python/dist/src/Doc/api utilities.tex,1.14,1.15
by bcannon＠users.sourceforge.net July 1, 2004

July 1, 2004

Update of /cvsroot/python/python/dist/src/Doc/api In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16682/Doc/api Modified Files: utilities.tex Log Message: Change signatures for arguments to "s" and friends to be the proper ``const char *`` instead of just ``char *``. Also added the mentioning of "const" in some places where it was left out even when the signature already stated the fact. Closes bug #980925. Index: utilities.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/api/utilities.tex,v retrieving revision 1.14 retrieving revision 1.15 diff -C2 -d -r1.14 -r1.15 *** utilities.tex 27 Jun 2004 16:51:45 -0000 1.14 --- utilities.tex 1 Jul 2004 20:55:42 -0000 1.15 *************** *** 385,389 **** \begin{description} ! \item[\samp{s} (string or Unicode object) {[char *]}] Convert a Python string or Unicode object to a C pointer to a character string. You must not provide storage for the string --- 385,389 ---- \begin{description} ! \item[\samp{s} (string or Unicode object) {[const char *]}] Convert a Python string or Unicode object to a C pointer to a character string. You must not provide storage for the string *************** *** 397,401 **** \item[\samp{s\#} (string, Unicode or any read buffer compatible object) ! {[char *, int]}] This variant on \samp{s} stores into two C variables, the first one a pointer to a character string, the second one its length. In this --- 397,401 ---- \item[\samp{s\#} (string, Unicode or any read buffer compatible object) ! {[const char *, int]}] This variant on \samp{s} stores into two C variables, the first one a pointer to a character string, the second one its length. In this *************** *** 406,415 **** representation. ! \item[\samp{z} (string or \code{None}) {[char *]}] Like \samp{s}, but the Python object may also be \code{None}, in which case the C pointer is set to \NULL. \item[\samp{z\#} (string or \code{None} or any read buffer ! compatible object) {[char *, int]}] This is to \samp{s\#} as \samp{z} is to \samp{s}. --- 406,415 ---- representation. ! \item[\samp{z} (string or \code{None}) {[const char *]}] Like \samp{s}, but the Python object may also be \code{None}, in which case the C pointer is set to \NULL. \item[\samp{z\#} (string or \code{None} or any read buffer ! compatible object) {[const char *, int]}] This is to \samp{s\#} as \samp{z} is to \samp{s}. *************** *** 434,438 **** This format requires two arguments. The first is only used as ! input, and must be a \ctype{char*} which points to the name of an encoding as a NUL-terminated string, or \NULL, in which case the default encoding is used. An exception is raised if the named --- 434,438 ---- This format requires two arguments. The first is only used as ! input, and must be a \ctype{const char*} which points to the name of an encoding as a NUL-terminated string, or \NULL, in which case the default encoding is used. An exception is raised if the named *************** *** 462,466 **** It requires three arguments. The first is only used as input, and ! must be a \ctype{char*} which points to the name of an encoding as a NUL-terminated string, or \NULL, in which case the default encoding is used. An exception is raised if the named encoding is not known --- 462,466 ---- It requires three arguments. The first is only used as input, and ! must be a \ctype{const char*} which points to the name of an encoding as a NUL-terminated string, or \NULL, in which case the default encoding is used. An exception is raised if the named encoding is not known

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python/dist/src/Lib repr.py,1.19,1.20
by fdrake＠users.sourceforge.net July 1, 2004

July 1, 2004

Update of /cvsroot/python/python/dist/src/Lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv11534 Modified Files: repr.py Log Message: Committing Tim's patch for SF bug #983585: test_repr() fails with id() values that appear negative Index: repr.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/repr.py,v retrieving revision 1.19 retrieving revision 1.20 diff -C2 -d -r1.19 -r1.20 *** repr.py 22 May 2004 19:37:21 -0000 1.19 --- repr.py 1 Jul 2004 20:28:47 -0000 1.20 *************** *** 112,117 **** # exceptions -- then make up something except: ! return '<' + x.__class__.__name__ + ' instance at ' + \ ! hex(id(x))[2:] + '>' if len(s) > self.maxstring: i = max(0, (self.maxstring-3)//2) --- 112,116 ---- # exceptions -- then make up something except: ! return '<%s instance at %x>' % (x.__class__.__name__, id(x)) if len(s) > self.maxstring: i = max(0, (self.maxstring-3)//2)

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python/dist/src/Doc/lib libstdtypes.tex, 1.156, 1.157
by doerwalter＠users.sourceforge.net July 1, 2004

July 1, 2004

Update of /cvsroot/python/python/dist/src/Doc/lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv5364 Modified Files: libstdtypes.tex Log Message: Document that encode() and decode() raise UnicodeError instead of ValueError. Add a note about error handling schemes added by PEP 293. Index: libstdtypes.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/lib/libstdtypes.tex,v retrieving revision 1.156 retrieving revision 1.157 diff -C2 -d -r1.156 -r1.157 *** libstdtypes.tex 1 Jul 2004 19:26:04 -0000 1.156 --- libstdtypes.tex 1 Jul 2004 19:58:47 -0000 1.157 *************** *** 568,574 **** may be given to set a different error handling scheme. The default is \code{'strict'}, meaning that encoding errors raise ! \exception{ValueError}. Other possible values are \code{'ignore'} and ! \code{'replace'}. \versionadded{2.2} \end{methoddesc} --- 568,576 ---- may be given to set a different error handling scheme. The default is \code{'strict'}, meaning that encoding errors raise ! \exception{UnicodeError}. Other possible values are \code{'ignore'}, ! \code{'replace'} and any other name registered via ! \function{codecs.register_error}. \versionadded{2.2} + \versionchanged[Support for other error handling schemes added]{2.3} \end{methoddesc} *************** *** 578,585 **** error handling scheme. The default for \var{errors} is \code{'strict'}, meaning that encoding errors raise a ! \exception{ValueError}. Other possible values are \code{'ignore'} and ! \code{'replace'}. For a list of possible encodings, see ! section~\ref{standard-encodings}. \versionadded{2.0} \end{methoddesc} --- 580,590 ---- error handling scheme. The default for \var{errors} is \code{'strict'}, meaning that encoding errors raise a ! \exception{UnicodeError}. Other possible values are \code{'ignore'}, ! \code{'replace'}, \code{'xmlcharrefreplace'}, \code{'backslashreplace'} ! and any other name registered via \function{codecs.register_error}. ! For a list of possible encodings, see section~\ref{standard-encodings}. \versionadded{2.0} + \versionchanged[Support for \code{'xmlcharrefreplace'} and + \code{'backslashreplace'} and other error handling schemes added]{2.3} \end{methoddesc}

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