RE: [Jython-users] Jython, readline, and :

[Steve C. <St...@ig...>]

I believe this was a known issue.  I submitted a patch last month to
ReadlineConsole.java that you might want to get from CVS and rebuild
with.  Are you using the GNU Readline or the Editline flavor of
readline?



-----Original Message-----
From: Stefan [mailto:sd...@or...]
Sent: Thursday, February 21, 2002 5:48 AM
To: jyt...@li...
Cc: Brian Ericson
Subject: Re: [Jython-users] Jython, readline, and :


On Wed, 20 Feb 2002 12:15:11 -0600
Brian Ericson <bm...@vi...> wrote:

> Anyone tried ":" (compound statements) with Bablok's readline (version

> 0.7.0 on Linux)?  Esc-Tab over Tab will take a little getting used to=20
> (especially since Tab itself in readline isn't all that useful), but=20
> readline apparently doesn't like the last blank line needed to
terminate=20
> the statement...
>=20
>  >>> if 1:
> ...     print 1
> ...
> Traceback (innermost last):
>   (no code object) at line 0
>   File "<console>", line 3
>         null
>         ^
> SyntaxError: invalid syntax
>  >>>
>=20
> Is this a known issue?  Is there a workaround?  I don't want to go
back...
>=20
>=20

Hi,
I got the same annoying error using the readline library.
I patched the ReadlineConsole.java which comes with the lib (contrib)
as follows to get around.
(Beside this, the library is rellay great!)

 /**
   * Write a prompt and read a line.
   *
   * The returned line does not include the trailing newline.  When the
   * user enters the EOF key sequence, EOFError is raised.
   *
   * This subclass implements the functionality using JavaReadline.
   **/
35  public String raw_input(PyObject prompt) {
36    try {
37      String line =3D Readline.readline(prompt.toString());
38      return (line =3D=3D null ? "" : line);
39    } catch (java.io.EOFException eofe) {
40        throw new PyException(Py.EOFError);
41        } catch (java.io.UnsupportedEncodingException e) {
42          throw new PyException();
43        }
44  }

Note the differences at lines 37,38

It works for me.
Hope this helps.

--Stefan




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>=20

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