Implement land cover dataset (#32)

* dataset info land cover

* add downloading function and demo notebook

* add ingest function and unzip

* coarsen land cover and finish ingest

* add load method

* add convert function and update ALMA

* add test for cds util request land cover

* use TemporaryDirectory for temporary unzipped files

* add tests for download and ingest

* add tests for load and convert

* increase coverage

* drop py3.9 and fix unit tests for windows

* Revert "drop py3.9 and fix unit tests for windows"

This reverts commit 4ca978d.

* drop py39

* close dataset to fix tests on windows

* Revert "close dataset to fix tests on windows"

This reverts commit abf11da.

* fix linter after dropping py39

* try context manager to fix tests on windows

* address comments

* Apply suggestions from code review

Co-authored-by: Bart Schilperoort <[email protected]>

* address review comments

---------

Co-authored-by: Bart Schilperoort <[email protected]>

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11']
     env:
       MPLBACKEND: Agg  # https://github.com/orgs/community/discussions/26434
     steps:

README.md

@@ -32,6 +32,7 @@ To download the following datasets, users need access to CDS via cdsapi:
 - ERA5
 - ERA5 land
 - LAI
+- land cover
 
 First, you need to be a registered user on *CDS* via the [registration page](https://cds.climate.copernicus.eu/user/register?destination=%2F%23!%2Fhome).