issues: 741714847

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
741714847 MDExOlB1bGxSZXF1ZXN0NTE5OTc5ODE5 4577 Backends entrypoints 35919497 closed 0     5 2020-11-12T15:53:00Z 2020-12-10T13:30:42Z 2020-12-10T09:56:13Z COLLABORATOR   0 pydata/xarray/pulls/4577
  • It's an update of @jhamman pull request https://github.com/pydata/xarray/pull/3166
  • It uses entrypoints module to detect the installed engines. The detection is done at open_dataset function call and it is cached. It raises a warning in case of conflicts.
  • Add a class for the backend interface BackendEtrypoint instead of a function.

Modified files: - add plugins.py containing detect_engines function and BackendEtrypoint. - dependencies file to add entrypoints. - backend.init to add detect_engines - apiv2.py and api.py do use detect_engines - zarr.py, h5netcdf_.py, cfgrib.py to instatiate the BackendEtrypoint.

  • [x] Related to #3166
  • [x] Tests added
  • [x] Passes isort . && black . && mypy . && flake8
 
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