New submission from Robin Bryce:
curses.filter forces the top most window to 1 line tall and preserves
existing tty content. It must be called *before* curses.initscr in order
to acheive this.
The python documentation states that curses.filter must be called before
initscr but the implementation prevents this. It uses the
NoArgNoReturnVoidFunction macro defined in Include/py_curses.h. This
macro in turn invokes the PyCursesInitialised macro which forces an
error if initscr has not been called.
curses.filter needs an explicit definition to avoid this:
Replacing "NoArgNoReturnVoidFunction(filter)" in Modules/_cursesmodule.c
with
static PyObject *PyCurses_filter (PyObject *self)
{
/* MUST NOT BE PyCursesInitialised */
filter(); \
Py_INCREF(Py_None);
return Py_None;
}
Would allow curses.filter to be called as documented. But really should
get a check for "!PyCursesInitialised".
----------
components: Documentation, Library (Lib)
messages: 61708
nosy: robinbryce
severity: normal
status: open
title: curses.filter can not be used as described in its documentation
type: behavior
versions: Python 2.5
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Tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue1940>
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