RE: [PyMOL] launching PyMol from a python function

[Warren D. <wa...@de...>]

Dmitriy,

This is easily solved:

PyMOL expects be imported at the global level as __main__.pymol, but you
can spoof it by adding "__main__.pymol =3D pymol" as follows:

def funct():
   import __main__
   __main__.pymol_argv =3D [ 'pymol', '-qx' ]
   import pymol
   __main__.pymol =3D pymol
   pymol.finish_launching()
   print "finished"=20

if __name__ =3D=3D '__main__':
   funct()

Cheers,
Warren


--
Warren L. DeLano, Ph.D.                    =20
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> -----Original Message-----
> From: pym...@li...=20
> [mailto:pym...@li...] On Behalf Of=20
> Dmitriy Igor Bryndin
> Sent: Tuesday, October 25, 2005 7:58 AM
> To: pym...@li...
> Subject: [PyMOL] launching PyMol from a python function
>=20
> I'm trying to start PyMol from another python program.
> After the 0_99beta17 it is possible to start it from the=20
> __main__ part of a code. But when I start PyMol from a=20
> function 'pymol.finish_launching()' goes in an endless loop.=20
>=20
> Here goes an example:
>  ---------------------------------------------------------------
> def funct():
>    import __main__
>    __main__.pymol_argv =3D [ 'pymol', '-qx' ]
>    import pymol
>    pymol.finish_launching()
>    print "finished"=20
>=20
> if __name__ =3D=3D '__main__':
>    funct()
>  ---------------------------------------------------------------
> In this case PyMol window starts, but program never reaches=20
> 'print "finished"'.=20
>=20
> The same time
>  ---------------------------------------------------------------
> if __name__ =3D=3D '__main__':
>    import __main__
>    __main__.pymol_argv =3D [ 'pymol', '-qx' ]
>    import pymol
>    pymol.finish_launching()
>    print "finished"
>  ---------------------------------------------------------------
> works fineand prints "finshed"=20
>=20
> after getting into PyMol's finish_launching()  (inside=20
> __init__.py) while not hasattr(__main__,'pymol'):
>    e.wait(0.01)
> Goes in an endless loop.
> I've tried   print dir(__main__)   just before this loop.=20
> When PyMol is=20
> launched not from a function, __main__ indeed have attributes=20
> '__main__' and 'pymol'.  Launched from a function, there are=20
> no '__main__' or 'pymol', but 'funct'.=20
>=20
> I'll really appreciate any help or hints how make it possible=20
> to launch PyMol from a function or from a method of some class.=20
>=20
>   Dmitriy
>=20
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>=20
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