Interactive Dataloader (back)

[Riul1999]

Summary

Add option n_sample to select how many rows to load of a dataset, to enable soft loading of datasets at the moment of select dataloader options

Type of change

• Back end new feature.
• Refactoring.

Changes

• Add n_sample option into dataset flow to avoid loading the whole dataset every time.
• Get n_sample from job API, set as optional argument to the API. None by default.
• Use n_sample in dataset job flow, set as optional argument. None by default.
• Change dataset job flow, now it will reuse previous dataset folder_path if n_sample is given and file_path is not empty string.

How to Test

Run pytest ., check dataloader, api and dataset_job tests as the changes targeted these modules