WIP: Internal Backend Hooks and Behavior Extensions

[rlizzo]

inital work on opening up entrypoints and areas for dynamic loading of backends and behavior

This will be a larger project and very much a work in progress for the forseeable future.

Motivation and Context

Why is this change required? What problem does it solve?:

TODO

Description

Describe your changes in detail:

TODO

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Documentation update
• 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 change)

Is this PR ready for review, or a work in progress?

• Ready for review
• Work in progress

How Has This Been Tested?

Put an x in the boxes that apply:

• Current tests cover modifications made
• New tests have been added to the test suite
• Modifications were made to existing tests to support these changes
• Tests may be needed, but they are not included when the PR was proposed
• I don't know. Help!

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have signed (or will sign when prompted) the tensorwork CLA.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #152 into master will decrease coverage by 44.51%.
The diff coverage is 49.36%.

@@             Coverage Diff             @@
##           master     #152       +/-   ##
===========================================
- Coverage   95.28%   50.77%   -44.51%     
===========================================
  Files          66       67        +1     
  Lines       11878    12009      +131     
  Branches     1029     1039       +10     
===========================================
- Hits        11317     6097     -5220     
- Misses        374     5899     +5525     
+ Partials      187       13      -174     

Impacted Files	Coverage Δ
src/hangar/backends/__init__.py	0.00% <ø> (-100.00%)	⬇️
src/hangar/backends/hdf5_00.py	0.00% <0.00%> (-92.99%)	⬇️
src/hangar/backends/hdf5_01.py	0.00% <0.00%> (-90.16%)	⬇️
src/hangar/backends/numpy_10.py	0.00% <0.00%> (-92.91%)	⬇️
src/hangar/backends/remote_50.py	0.00% <0.00%> (-93.48%)	⬇️
src/hangar/backends/selection.py	0.00% <0.00%> (-90.48%)	⬇️
src/hangar/cli/cli.py	0.00% <0.00%> (-89.52%)	⬇️
src/hangar/cli/utils.py	0.00% <0.00%> (-41.67%)	⬇️
tests/test_cli_utils.py	91.67% <91.67%> (ø)
src/hangar/__init__.py	0.00% <0.00%> (-100.00%)	⬇️
... and 43 more

[lgtm-com]

This pull request introduces 1 alert when merging 884db5a into be7d40e - view on LGTM.com

new alerts:

• 1 for Unused import

[CLAassistant]

All committers have signed the CLA.