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Feature Request: Import the exported annotation data and keep the all original info #482

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mingwei-liu opened this issue Dec 3, 2019 · 2 comments · Fixed by #1310
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Feature Request: Import the exported annotation data and keep the all original info #482

mingwei-liu opened this issue Dec 3, 2019 · 2 comments · Fixed by #1310
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feature request feature request for doccano

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@mingwei-liu
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Feature description

At present, we have a project labeled by multiple people at the same time, and then we export this labeled data from the website. Then we created a new project, and wanted to import the exported data into this new project, and then each sentence in it had the original annotation of each person, but we found that we couldn't do it.

Currently, it seems that when exporting, the labeling results of all people can be exported at the same time, but when importing, either a new empty project or each sentence has a unique label through preprocessing (by giving the “labels” field a unique value). I think import and export should work together seamlessly?
  This may provide users with support for merging and batch deletion of labeled data? Users can export the data to do some processing with the code, and then import it back to the annotation system again.
@Hironsan Hironsan added the feature request feature request for doccano label Dec 3, 2019
@AmirAktify
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I've been thinking about this feature myself. I might add a pull request at some point with the changes needed...

@kuraga kuraga mentioned this issue Jun 8, 2020
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@icoxfog417 icoxfog417 mentioned this issue Jul 11, 2020
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@cgill95
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cgill95 commented Aug 3, 2020

I started working on this feature and implemented a solution that works for CSV import and export and has been tested with document classification only so far. It is also backwards compatible and allows for importing only "text,label"-files just like previously.

One problem I stumbled upon though is "meta stacking" as I like to call it. It happens probably in the way the meta data is exported. On reimporting the same document the meta data becomes longer and longer as you can see on the example
meta_stacking
The first two lines were exported and reimported and the meta data did not handle this very well.

The entire feature can be found here https://github.com/cgill95/doccano/tree/feature/unify_import_export and is relying on the implementation of #889 since this was needed to extract the correct label by name instead of searching the entire database for the labels ID.

Looking for some feedback or some way this could possibly be improved.

@cgill95 cgill95 mentioned this issue Aug 25, 2020
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@icoxfog417 icoxfog417 mentioned this issue Aug 26, 2020
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@fjen fjen mentioned this issue Nov 27, 2020
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@Hironsan Hironsan mentioned this issue Apr 20, 2021
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Improve upload and download features doccano/doccano
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@Hironsan @cgill95 @mingwei-liu @AmirAktify