Issue/cartopy

.github/workflows/workflows.yaml

@@ -12,3 +12,5 @@ jobs:
       pytest_numcpus: "4"
       # pytest-cov looks at this folder
       pytest_cov_dir: "ocf_datapipes"
+      # extra things to install
+      sudo_apt_install:  'libgeos-dev libproj-dev'

ocf_datapipes/transform/xarray/reproject_topographic_data.py

@@ -1,14 +1,18 @@
 from pathlib import Path
 from typing import Union
 
-import cartopy.crs as ccrs
 import numpy as np
 import pyproj
 import pyresample
 import xarray as xr
 from torchdata.datapipes import functional_datapipe
 from torchdata.datapipes.iter import IterDataPipe
 
+try:
+    import cartopy.crs as ccrs
+except:
+    pass
+
 
 @functional_datapipe("reproject_topography")
 class ReprojectTopographyIterDataPipe(IterDataPipe):

requirements.txt

@@ -18,6 +18,5 @@ jpeg_xl_float_with_nans
 h5netcdf
 tqdm
 bottleneck
-cartopy
 pyproj
 pyresample