Re: Using 4gl from inside python

I've not done it before - but I'm guessing to call a 4gl function you'd
need:

1) Call the initialization stuff that normally happens in the "MAIN" of a
compiled program before calling any functions
              A4GL_fgl_start(argc,argv)
for example

2) Ensure you load the libaubit4gl.so library into python

3) Compile the 4gl with "4glpc --as-dll" to a shared library..








On Fri, 9 Aug 2019 at 09:31, Joao Granado <[email protected]> wrote:

> Hi All,
>
> I am trying to use 4gl from inside python.
> The host is ubuntu 16.04.
> On the end I would like to be able to do this from python:
>
> import spam
> spam.system("ls")  # calling a c function, this work fine
> spam.say("hello") # calling a 4gl function. This issues an error
>
> I build on an example from python3 documentation called spammify.
> The c module taken from there was adapted putting the c code betwen code
> endcode
> and adding a 4gl function say(phrase).
>
> The call to spam.system("ls") is at the end a call to a c function and
> works fine. It is literally taken from the python documentation.
>
> But when executing spam.say("hello")  an error occurs:
>
> Error: can't open DLL
> /infortrans/aubit4gl/aubit4glbin/plugins-1.5_1/libUI_TUI.so - STOP
> Error msg: /infortrans/aubit4gl/aubit4glbin/plugins-1.5_1/libUI_TUI.so:
> undefined symbol: abort_pressed
> Cannot open DLL
>
> say(phrase) function only does a  'display phrase'.
>
> I would be obliged for some hint on this
>
> Thanks
> Joao Granado
>
>
>
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