Keep ISH tests from failing CI if data unreachable

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
           python -c "import monet;   print('monet.__version__',   getattr(monet, '__version__', '?'))"
 
       - name: pytest
-        run: python -m pytest -v melodies_monet
+        run: python -m pytest -v -rsx melodies_monet
 
       - name: Run docs/examples notebooks as scripts
         run: |

docs/conf.py

@@ -198,6 +198,8 @@
     "https://www2.cisl.ucar.edu/resources/conda-environments",
     # Sphinx 4.5 linkcheck having problem:
     "https://docs.github.com/en/authentication/connecting-to-github-with-ssh/adding-a-new-ssh-key-to-your-github-account",
+    # NCEI sites having problems
+    "https://www.ncdc.noaa.gov/crn/",
 ]
 user_agent = "Mozilla/5.0 (X11; Linux x86_64; rv:25.0) Gecko/20100101 Firefox/25.0"
 

melodies_monet/tests/test_get_data_cli.py

@@ -7,10 +7,26 @@
 import subprocess
 
 import numpy as np
+import pytest
+import requests
 import xarray as xr
 
 from melodies_monet.tutorial import fetch_example
 
+try:
+    requests.head("https://www1.ncdc.noaa.gov/pub/data/noaa/")
+except Exception:
+    ish_reachable = False
+else:
+    ish_reachable = True
+
+try:
+    requests.head("https://www1.ncdc.noaa.gov/pub/data/noaa/isd-lite/")
+except Exception:
+    ish_lite_reachable = False
+else:
+    ish_lite_reachable = True
+
 ds0_aeronet = xr.open_dataset(fetch_example("aeronet:2019-09"))
 ds0_airnow = xr.open_dataset(fetch_example("airnow:2019-09"))
 
@@ -84,6 +100,7 @@ def test_get_airnow_comp(tmp_path):
         assert (np.abs(ds[vn] - ds0[vn]).to_series().dropna() < 3e-7).all()
 
 
+@pytest.mark.xfail(not ish_lite_reachable, reason="data not reachable")
 def test_get_ish_lite_box(tmp_path):
     fn = "x.nc"
     cmd = [
@@ -100,6 +117,7 @@ def test_get_ish_lite_box(tmp_path):
     assert np.unique(ds.state) == ["CO"]
 
 
+@pytest.mark.xfail(not ish_reachable, reason="data not reachable")
 def test_get_ish_box(tmp_path):
     fn = "x.nc"
     cmd = [