standalone vs embedded interpreter
rusi
rustompmody at gmail.com
Tue Apr 9 11:52:23 EDT 2013
On Apr 9, 8:33 pm, Nick Gnedin <ngne... at gmail.com> wrote:
> Folks,
>
> When simply I embed the interpreter:
>
> #include "Python.h"
>
> int main()
> {
> Py_Initialize();
> PyRun_InteractiveLoop(stdin,"test");
> Py_Finalize();
>
> return 0;
> }
>
> I expect it to behave the same way as if I was running it as a
> standalone program. On Windows this is indeed the case, but on my Linux
> box (Python 3.3.1 (default, Apr 8 2013, 22:33:31) [GCC 4.1.2 20080704
> (Red Hat 4.1.2-51)]) I get a different behavior in handling console
> input. A standalone interpreter cycles though the input history when I
> use up and down arrows - say, I type this code:
>
> >>> 1
> 1
> >>> a=4
> >>> a
> 4
>
> If I now press an <up> key in a standalone interpreter, I get 'a' placed
> at the prompt (my previous command). However, in an embedded code I get
>
> >>> ^[[A
>
> put at the prompt - does anyone know what I am doing wrong?
>
> Many thanks for any hint,
>
> Nick
You probably need readline
See http://docs.python.org/2/library/cmd.html#cmd.Cmd.cmdloop
[Also try Control-P COntrol-N for up and down arrow]
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