Job class defined in same file as __main__ AttributeError

[Ryan Nowakowski]

I'm having an issue defining a Job class in the same file as my main script.

from disco.job import Job
class FirstJob(Job):
input = ["file://testwords.txt"]
@staticmethod
def map(line, params):
yield int(line) + 1, ""
if __name__ == "__main__":
last = FirstJob().run().wait()

In same folder I created file "testwords.txt" and run mychain.py, I got:
disco.error.JobError: Job FirstJob@529:f4221:5146f failed: Status dead
in disco interface:
AttributeError: 'module' object has no attribute 'FirstJob'

Is it a python path issue?

- Ryan

[Jens Rantil]

Hi Ryan,

Trying putting your Job class in a separate Python module. I remember
I was having issues with this a while ago.

Jens

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[Ryan Nowakowski]

FYI, this works:

# mymodule.py

from disco.job import Job
class FirstJob(Job):
input = ["file://testwords.txt"]
@staticmethod
def map(line, params):
yield int(line) + 1, ""

if __name__ == "__main__":

from mymodule import FirstJob
last = FirstJob().run().wait()

[guit...@gmail.com]

Hi. It indeed solve the problem. As I'm curious about Disco's internals, can you explain why it works?

[Stefano]

alternative: you can have everything in the same file but you should still import your python class in the main.

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Gr,

Stefano