Issue #8226: sys.setfilesystemencoding() raises a LookupError if the encoding
is unknown.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index eb7d1a4..23ec399 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -799,6 +799,7 @@
old = sys.getfilesystemencoding()
sys.setfilesystemencoding("iso-8859-1")
self.assertEqual(sys.getfilesystemencoding(), "iso-8859-1")
+ self.assertRaises(LookupError, sys.setfilesystemencoding, "xxx")
sys.setfilesystemencoding(old)
def test_main():
diff --git a/Misc/NEWS b/Misc/NEWS
index 0d316a0..8a63a22 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
Core and Builtins
-----------------
+- Issue #8226: sys.setfilesystemencoding() raises a LookupError if the encoding
+ is unknown
+
- Issue #1583863: An str subclass can now override the __str__ method
- Issue #8014: Setting a T_UINT or T_PYSSIZET attribute of an object with
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index a928fc4..6b8600b 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -29,7 +29,7 @@
int
_Py_SetFileSystemEncoding(PyObject *s)
{
- PyObject *defenc;
+ PyObject *defenc, *codec;
if (!PyUnicode_Check(s)) {
PyErr_BadInternalCall();
return -1;
@@ -37,6 +37,10 @@
defenc = _PyUnicode_AsDefaultEncodedString(s, NULL);
if (!defenc)
return -1;
+ codec = _PyCodec_Lookup(PyBytes_AsString(defenc));
+ if (codec == NULL)
+ return -1;
+ Py_DECREF(codec);
if (!Py_HasFileSystemDefaultEncoding && Py_FileSystemDefaultEncoding)
/* A file system encoding was set at run-time */
free((char*)Py_FileSystemDefaultEncoding);