Ensure numpy and xarray are optional dependencies

ContinuumIO / whitebox-geospatial-analysis-tools

An open-source GIS and remote sensing package

http://www.uoguelph.ca/~hydrogeo/Whitebox/

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Open PeterDSteinberg opened 7 years ago

PeterDSteinberg commented 7 years ago

[ ] Ensure that numpy and xarray are optional dependencies, so the code can be used in CLI mode with minimal dependencies. Move numpy and xarray imports to if blocks and set to None if they cannot be imported.
[ ] In functions that use numpy or xarray, raise an error with an installation reminder message if these modules are None

PeterDSteinberg commented 7 years ago

This issue may already be fixed, e.g. this line. But this issue can be a reminder to ensure this is tested with / without numpy and xarray in CI.