Vb/refactor client plt 1385 2

[vbrodsky]

Description

Stories:
https://labelbox.atlassian.net/browse/PLT-1385
https://labelbox.atlassian.net/browse/PLT-1552

• Move logic to execute api request and exceptions to a separate lbox component lbox-clients. Made adjustments across code to imports / use it, fixed mypy etc
• Added logic to execute custom error handlers for internal server errors. Not used in the main code atm

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Document change (fix typo or modifying any markdown files, code comments or anything in the examples folder only)

All Submissions

• Have you followed the guidelines in our Contributing document?
• Have you provided a description?
• Are your changes properly formatted?

New Feature Submissions

• Does your submission pass tests?
• Have you added thorough tests for your new feature?
• Have you commented your code, particularly in hard-to-understand areas?
• Have you added a Docstring?

Changes to Core Features

• Have you written new tests for your core changes, as applicable?
• Have you successfully run tests with your changes locally?
• Have you updated any code comments, as applicable?

[vbrodsky]

o.w. mypy can not find lbox-clients source codes and errors

[mihhail-m]

just wondering. Is there a plan to some day refactor this beast of a function? I get dizzy each time i have to scroll through it 😄 I believe, there are few oop patterns (strategy, visitor) that could help dismantled this function and make it more simple and facilitate maintenance in the long run

[vbrodsky]

tes @mihhail-m we will refactor it ... some time :)