Use the hidden property called Parameters on the Python Filter/Source to
pass in information.
>>> prosrc = ProgrammableSource()
>>> prosrc.Script = ("""
... try:
... instring
... except NameError:
... instring = "GOODBYE"
... print instring
... """)
>>> prop = prosrc.GetProperty("Parameters")
>>> prop.SetElement(0, "instring")
1
>>> prop.SetElement(1, "'HELLO'")
1
>>> prosrc.UpdateProperty("Parameters")
True
>>> prosrc.UpdatePipeline()
HELLO
David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909
On Wed, Mar 1, 2017 at 3:38 PM, Mauro Fontana <[email protected]>
wrote:
> Hello
>
> Sorry to bother, but I can't seem to find a way (in the mailing list or
> the documentation) to pass a string as some kind of argument to
> Programmable Source (using pvpython interpreter). The python "program"
> needs to load a custom binary format using numpy.fromfile.
>
> What I've thought is to write a wrapper function. The function should
> receive a string as argument and then instantiate a programmable filter and
> execute
> myscript.replace(random_var_name, myfilename)
> MyProgrammableSource.Script = myscript
> return MyProgrammableSource
>
> Where random_var_name is the argument of my numpy.fromfile call. But that
> doesn't seem very "pythonic". Is there a way to pass a string to the Script
> without the .replace hack?
>
> Sorry if this is documented, I couldn't find it.
>
> Cheers,
> Mauro
>
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