Move to Clarifai-GRPC library

[adelavega]

Closes #469

In order to make a call now, you also need to provide a CLARIFAI_USER_ID and CLARIFAI_APPLICATION_ID in addition to your CLARIFAI_ACCESS_TOKEN.

TODO:

• Add ability to filter concepts
• Update docs (re: authentication)
• Ingest clarifai responses
• Check tests

[adelavega]

Example of what I'm getting for obama.jpg:

[adelavega]

@emdupre Tests are passing with the new library.

As far as the user is concerned, there shouldn't be too many differences except that now you need: A CLARIFAI_USER_ID and CLARIFAI_APPLICATION_ID in addition to your CLARIFAI_ACCESS_TOKEN.

When you sign up for Clarifai, you can get your PAT from your profile, and you create an app which will then generate the other two IDs.

Tests are probably going to fail in CI but they are passing locally, so give it a shot in this PR if you have time.

Otherwise, this is ready to merge. Unless @qmac you want to review real quick.

[emdupre]

Thanks, @adelavega !! I have it annotating some stimuli now, so these changes definitely get things running again ! 🚀

A few small things I was confused by :

• The environmental variable needs to be named CLARIFAI_APP_ID rather than CLARIFAI_APPLICATION_ID
• The Transformer is still ClarifaiAPIImageExtractor rather than the more generic ClarifaiAPIExtractor that I interpreted from this change.

[adelavega]

Great!

Thanks for that catch on the environment name.

In the docs when I said "(and subclasses) " I meant to include the ImageExtractor.

Maybe I could put: "e.g. ClarifaiImageExtractor" to clarify.

[emdupre]

This LGTM ! Thank you again for working on this 🙏

[adelavega]

Awesome thank you!

I'll merge as soon as I can get tests passing

[codecov-commenter]

Codecov Report

Base: 75.64% // Head: 75.30% // Decreases project coverage by -0.34% ⚠️

Coverage data is based on head (a289ad9) compared to base (6e5e23b).
Patch coverage: 9.09% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #474      +/-   ##
==========================================
- Coverage   75.64%   75.30%   -0.35%     
==========================================
  Files          65       65              
  Lines        3876     3895      +19     
==========================================
+ Hits         2932     2933       +1     
- Misses        944      962      +18     

Impacted Files	Coverage Δ
pliers/extractors/api/clarifai.py	20.68% <9.09%> (-2.33%)	⬇️

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