How can i access azure ml pipeline parameters from a python script running in designer?

javier 936

I would like to perform some data transformations using the Python script module in Designer for which i would need to access some pipeline parameters. How can i get those values?

What would be the equivalent for an R script?

Ramr-msft 17,731 Reputation points

2021-05-10T12:34:33.75+00:00

@javier Thanks for the question. We have forwarded to the product team to check on this.
javier 936 Reputation points

2021-05-14T00:35:27.377+00:00

Hi @Ramr-msft any news from the product team? thanks
Ramr-msft 17,731 Reputation points

2021-05-18T04:56:57.307+00:00

@javier Thanks, Can you please add more details about the use case and where you want to use pipeline parameter in the script.
javier 936 Reputation points

2021-05-18T12:41:58.54+00:00

The use cases are :

1) I need to run the apriori algorithm (arules library, R) and would like it to read two pipeline parameters (minimum support and confidence levels, both type float)
2) would like to pass a string to a Python script (much like and SQL query) as a parametrer and process it.

The hack I am considering is, since both script modules accept two different dataframes as inputs is to pass a pipeline parameters in one of the dataframes. Of course that might mean that I lose one of the dataframe inputs...

Accepted answer

Ramr-msft 17,731 Reputation points

2021-05-18T04:06:56.287+00:00

@javier Thanks, Currently passing a pipeline parameter to the script of Execute Python/R Module is not supported. We have a new feature custom module which is in private preview. you can write your own module and use in Designer. If it's a common case, it might be better to use custom module.
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javier 936 Reputation points

2021-05-24T00:57:49.137+00:00

thanks @Ramr-msft . Just for clarity are you referencing to this module?

Ramr-msft 17,731 Reputation points

2021-05-25T07:58:22.81+00:00

Thanks for the details. Feel free to refer to these tutorials to learn how to use this feature on Designer. Here are the more details and contribute back to this open source community.
https://github.com/Azure/AzureMachineLearningGallery/tree/main/tutorial
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How can i access azure ml pipeline parameters from a python script running in designer?

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