Support for control structures

are control structures like if and while already supported?

Example:

def function_one(x):
    u = 'https://play.min.io/bucket/example.csv?versioinId=fe45d98a'
    return x

def function_two(y):
    return y

def function_three(c, d):
    return c + d

def my_workflow(a, b, d=0):
    if a > 0:
        c = function_one(a)
    else:
        c = function_two(b)
    while d <= 0:
        d = function_three(c, d)
    return d
my_workflow(1, 2)

@simontaurus

Thanks @simontaurus for your interest.

To your question:
No, as this is what we call a "dynamic workflow". This is on our radar, of course, and something we want to address soon (ideally in the next months)

@simontaurus

I close this issue as it is similar to #18 .

@simontaurus based on @samwaseda s work in https://github.com/pyiron/semantikon we are currently benchmarking possible extensions of the Python Workflow Definition to support more complex logical structures. We aim to have a proposal ready for the MADICES workshop in October https://madices.github.io

Just for reference: Detailed issues on this topic

pyiron/flowrep#24 (while loop)
pyiron/flowrep#23 (for loop)
pyiron/flowrep#22 (if elif else)

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Support for control structures #126

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JaGeo commented on Jul 5, 2025

jan-janssen commented on Jul 6, 2025

simontaurus commented on Jul 11, 2025

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