diff --git a/7.4.905 b/7.4.905
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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.905
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.905
+Problem: Python interface can produce error "vim.message' object has no
+ attribute 'isatty'".
+Solution: Add dummy isatty(), readable(), etc. (closes #464)
+Files: src/if_py_both.h, src/testdir/test86.in, src/testdir/test86.ok,
+ src/testdir/test87.in, src/testdir/test87.ok
+
+
+*** ../vim-7.4.904/src/if_py_both.h 2015-02-10 18:41:53.006111926 +0100
+--- src/if_py_both.h 2015-11-02 13:21:24.911033469 +0100
+***************
+*** 465,484 ****
+ }
+
+ static PyObject *
+! OutputFlush(PyObject *self UNUSED)
+ {
+ /* do nothing */
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
+ /***************/
+
+ static struct PyMethodDef OutputMethods[] = {
+ /* name, function, calling, doc */
+ {"write", (PyCFunction)OutputWrite, METH_O, ""},
+ {"writelines", (PyCFunction)OutputWritelines, METH_O, ""},
+! {"flush", (PyCFunction)OutputFlush, METH_NOARGS, ""},
+ {"__dir__", (PyCFunction)OutputDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+ };
+--- 465,505 ----
+ }
+
+ static PyObject *
+! AlwaysNone(PyObject *self UNUSED)
+ {
+ /* do nothing */
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+
++ static PyObject *
++ AlwaysFalse(PyObject *self UNUSED)
++ {
++ /* do nothing */
++ Py_INCREF(Py_False);
++ return Py_False;
++ }
++
++ static PyObject *
++ AlwaysTrue(PyObject *self UNUSED)
++ {
++ /* do nothing */
++ Py_INCREF(Py_True);
++ return Py_True;
++ }
++
+ /***************/
+
+ static struct PyMethodDef OutputMethods[] = {
+ /* name, function, calling, doc */
+ {"write", (PyCFunction)OutputWrite, METH_O, ""},
+ {"writelines", (PyCFunction)OutputWritelines, METH_O, ""},
+! {"flush", (PyCFunction)AlwaysNone, METH_NOARGS, ""},
+! {"close", (PyCFunction)AlwaysNone, METH_NOARGS, ""},
+! {"isatty", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+! {"readable", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+! {"seekable", (PyCFunction)AlwaysFalse, METH_NOARGS, ""},
+! {"writable", (PyCFunction)AlwaysTrue, METH_NOARGS, ""},
+ {"__dir__", (PyCFunction)OutputDir, METH_NOARGS, ""},
+ { NULL, NULL, 0, NULL}
+ };
+*** ../vim-7.4.904/src/testdir/test86.in 2014-09-29 18:08:54.587952270 +0200
+--- src/testdir/test86.in 2015-11-02 13:19:04.276680955 +0100
+***************
+*** 1094,1101 ****
+--- 1094,1113 ----
+ ee('del sys.stdout.softspace')
+ number_test('sys.stdout.softspace = %s', unsigned=True)
+ number_test('sys.stderr.softspace = %s', unsigned=True)
++ ee('assert sys.stdout.isatty()==False')
++ ee('assert sys.stdout.seekable()==False')
++ ee('sys.stdout.close()')
++ ee('sys.stdout.flush()')
++ ee('assert sys.stderr.isatty()==False')
++ ee('assert sys.stderr.seekable()==False')
++ ee('sys.stderr.close()')
++ ee('sys.stderr.flush()')
+ ee('sys.stdout.attr = None')
+ cb.append(">> OutputWrite")
++ ee('assert sys.stdout.writable()==True')
++ ee('assert sys.stdout.readable()==False')
++ ee('assert sys.stderr.writable()==True')
++ ee('assert sys.stderr.readable()==False')
+ ee('sys.stdout.write(None)')
+ cb.append(">> OutputWriteLines")
+ ee('sys.stdout.writelines(None)')
+*** ../vim-7.4.904/src/testdir/test86.ok 2014-03-12 15:26:36.428714415 +0100
+--- src/testdir/test86.ok 2015-11-02 13:19:04.280680909 +0100
+***************
+*** 447,453 ****
+ dictionary:__dir__,__members__,get,has_key,items,keys,locked,pop,popitem,scope,update,values
+ list:__dir__,__members__,extend,locked
+ function:__dir__,__members__,softspace
+! output:__dir__,__members__,flush,softspace,write,writelines
+ {}
+ {'a': 1}
+ {'a': 1}
+--- 447,453 ----
+ dictionary:__dir__,__members__,get,has_key,items,keys,locked,pop,popitem,scope,update,values
+ list:__dir__,__members__,extend,locked
+ function:__dir__,__members__,softspace
+! output:__dir__,__members__,close,flush,isatty,readable,seekable,softspace,writable,write,writelines
+ {}
+ {'a': 1}
+ {'a': 1}
+***************
+*** 488,495 ****
+--- 488,507 ----
+ sys.stderr.softspace = None:TypeError:('expected int(), long() or something supporting coercing to long(), but got NoneType',)
+ sys.stderr.softspace = -1:ValueError:('number must be greater or equal to zero',)
+ <<< Finished
++ assert sys.stdout.isatty()==False:NOT FAILED
++ assert sys.stdout.seekable()==False:NOT FAILED
++ sys.stdout.close():NOT FAILED
++ sys.stdout.flush():NOT FAILED
++ assert sys.stderr.isatty()==False:NOT FAILED
++ assert sys.stderr.seekable()==False:NOT FAILED
++ sys.stderr.close():NOT FAILED
++ sys.stderr.flush():NOT FAILED
+ sys.stdout.attr = None:AttributeError:('invalid attribute: attr',)
+ >> OutputWrite
++ assert sys.stdout.writable()==True:NOT FAILED
++ assert sys.stdout.readable()==False:NOT FAILED
++ assert sys.stderr.writable()==True:NOT FAILED
++ assert sys.stderr.readable()==False:NOT FAILED
+ sys.stdout.write(None):TypeError:('coercing to Unicode: need string or buffer, NoneType found',)
+ >> OutputWriteLines
+ sys.stdout.writelines(None):TypeError:("'NoneType' object is not iterable",)
+*** ../vim-7.4.904/src/testdir/test87.in 2014-09-29 18:08:54.591952271 +0200
+--- src/testdir/test87.in 2015-11-02 13:19:04.280680909 +0100
+***************
+*** 1071,1078 ****
+--- 1071,1090 ----
+ ee('del sys.stdout.softspace')
+ number_test('sys.stdout.softspace = %s', unsigned=True)
+ number_test('sys.stderr.softspace = %s', unsigned=True)
++ ee('assert sys.stdout.isatty()==False')
++ ee('assert sys.stdout.seekable()==False')
++ ee('sys.stdout.close()')
++ ee('sys.stdout.flush()')
++ ee('assert sys.stderr.isatty()==False')
++ ee('assert sys.stderr.seekable()==False')
++ ee('sys.stderr.close()')
++ ee('sys.stderr.flush()')
+ ee('sys.stdout.attr = None')
+ cb.append(">> OutputWrite")
++ ee('assert sys.stdout.writable()==True')
++ ee('assert sys.stdout.readable()==False')
++ ee('assert sys.stderr.writable()==True')
++ ee('assert sys.stderr.readable()==False')
+ ee('sys.stdout.write(None)')
+ cb.append(">> OutputWriteLines")
+ ee('sys.stdout.writelines(None)')
+*** ../vim-7.4.904/src/testdir/test87.ok 2014-03-12 15:26:36.432714415 +0100
+--- src/testdir/test87.ok 2015-11-02 13:19:04.280680909 +0100
+***************
+*** 447,453 ****
+ dictionary:__dir__,get,has_key,items,keys,locked,pop,popitem,scope,update,values
+ list:__dir__,extend,locked
+ function:__dir__,softspace
+! output:__dir__,flush,softspace,write,writelines
+ {}
+ {'a': 1}
+ {'a': 1}
+--- 447,453 ----
+ dictionary:__dir__,get,has_key,items,keys,locked,pop,popitem,scope,update,values
+ list:__dir__,extend,locked
+ function:__dir__,softspace
+! output:__dir__,close,flush,isatty,readable,seekable,softspace,writable,write,writelines
+ {}
+ {'a': 1}
+ {'a': 1}
+***************
+*** 488,495 ****
+--- 488,507 ----
+ sys.stderr.softspace = None:(<class 'TypeError'>, TypeError('expected int() or something supporting coercing to int(), but got NoneType',))
+ sys.stderr.softspace = -1:(<class 'ValueError'>, ValueError('number must be greater or equal to zero',))
+ <<< Finished
++ assert sys.stdout.isatty()==False:NOT FAILED
++ assert sys.stdout.seekable()==False:NOT FAILED
++ sys.stdout.close():NOT FAILED
++ sys.stdout.flush():NOT FAILED
++ assert sys.stderr.isatty()==False:NOT FAILED
++ assert sys.stderr.seekable()==False:NOT FAILED
++ sys.stderr.close():NOT FAILED
++ sys.stderr.flush():NOT FAILED
+ sys.stdout.attr = None:(<class 'AttributeError'>, AttributeError('invalid attribute: attr',))
+ >> OutputWrite
++ assert sys.stdout.writable()==True:NOT FAILED
++ assert sys.stdout.readable()==False:NOT FAILED
++ assert sys.stderr.writable()==True:NOT FAILED
++ assert sys.stderr.readable()==False:NOT FAILED
+ sys.stdout.write(None):(<class 'TypeError'>, TypeError("Can't convert 'NoneType' object to str implicitly",))
+ >> OutputWriteLines
+ sys.stdout.writelines(None):(<class 'TypeError'>, TypeError("'NoneType' object is not iterable",))
+*** ../vim-7.4.904/src/version.c 2015-11-02 12:50:49.760534351 +0100
+--- src/version.c 2015-11-02 13:27:03.923061723 +0100
+***************
+*** 743,744 ****
+--- 743,746 ----
+ { /* Add new patch number below this line */
++ /**/
++ 905,
+ /**/
+
+--
+hundred-and-one symptoms of being an internet addict:
+78. You find yourself dialing IP numbers on the phone.
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///