STINNER Victor <victor.stin...@haypocalc.com> added the comment:
Here is a patch catching the _PyUnicode_AsString() error.
input() uses sys.stdout.encoding to encode the prompt to a byte string, but
PyOS_StdioReadline() writes the prompt to stderr (it should use sys_stdout).
I don't know which encoding should be used if sys.stdout.encoding is None (eg.
if sys.stdout is a StringIO() object).
StringIO() of _io module has no encoding because it stores unicode characters,
not bytes. StringIO() of _pyio module is based on BytesIO() and use utf8
encoding, but the reference implementation is now _io.
----------
Added file: http://bugs.python.org/file17324/input_stdout_encoding.patch
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8256>
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Index: Python/bltinmodule.c
===================================================================
--- Python/bltinmodule.c (révision 81157)
+++ Python/bltinmodule.c (copie de travail)
@@ -1618,6 +1618,7 @@
if (promptarg != NULL) {
PyObject *stringpo;
PyObject *stdout_encoding;
+ char *stdout_encoding_str;
stdout_encoding = PyObject_GetAttrString(fout,
"encoding");
if (stdout_encoding == NULL) {
@@ -1630,8 +1631,17 @@
Py_DECREF(stdout_encoding);
return NULL;
}
+ if (stdout_encoding != Py_None)
+ stdout_encoding_str = _PyUnicode_AsString(stdout_encoding);
+ else
+ stdout_encoding_str = "utf-8";
+ if (stdout_encoding_str == NULL) {
+ Py_DECREF(stdin_encoding);
+ Py_DECREF(stdout_encoding);
+ return NULL;
+ }
po = PyUnicode_AsEncodedString(stringpo,
- _PyUnicode_AsString(stdout_encoding), NULL);
+ stdout_encoding_str, NULL);
Py_DECREF(stdout_encoding);
Py_DECREF(stringpo);
if (po == NULL) {
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