Cleanup HDF5 test warnings

Author: djhoese

.github/workflows/ci.yaml

@@ -5,7 +5,7 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.type }}
   cancel-in-progress: true
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 env:
   CACHE_NUMBER: 1

build_environment.yml

@@ -37,7 +37,7 @@ dependencies:
   - requests
   - setuptools
   - six
-  - trollimage>=1.21.0
+  - trollimage>=1.22.2
   - trollsift>=0.5.0
   - scipy
   - zarr

polar2grid/utils/legacy_compat.py

@@ -24,7 +24,9 @@
 
 from __future__ import annotations
 
+import contextlib
 import logging
+import warnings
 from typing import Generator, Iterable, Optional, Union
 
 from satpy import DataID, DataQuery, Scene
@@ -257,3 +259,22 @@ def get_sensor_alias(satpy_sensor):
     if len(new_sensor) == 1:
         return new_sensor.pop()
     return new_sensor
+
+
+@contextlib.contextmanager
+def ignore_pyproj_proj_warnings():
+    """Wrap operations that we know will produce a PROJ.4 precision warning.
+
+    Only to be used internally to Pyresample when we have no other choice but
+    to use PROJ.4 strings/dicts. For example, serialization to YAML or other
+    human-readable formats or testing the methods that produce the PROJ.4
+    versions of the CRS.
+
+    """
+    with warnings.catch_warnings():
+        warnings.filterwarnings(
+            "ignore",
+            "You will likely lose important projection information",
+            UserWarning,
+        )
+        yield

polar2grid/writers/hdf5.py

@@ -52,7 +52,7 @@
 from pyresample.geometry import SwathDefinition
 from satpy.writers import Writer, compute_writer_results, split_results
 
-from polar2grid.utils.legacy_compat import convert_p2g_pattern_to_satpy
+from polar2grid.utils.legacy_compat import convert_p2g_pattern_to_satpy, ignore_pyproj_proj_warnings
 from polar2grid.writers.geotiff import NUMPY_DTYPE_STRS, NumpyDtypeList, str_to_dtype
 
 LOG = logging.getLogger(__name__)
@@ -163,7 +163,8 @@ def create_proj_group(filename: str, parent: TextIO, area_def):
             group.attrs["height"], group.attrs["width"] = area_def.shape
             group.attrs["description"] = "No projection: native format"
         else:
-            group.attrs["proj4_definition"] = area_def.proj4_string
+            with ignore_pyproj_proj_warnings():
+                group.attrs["proj4_definition"] = area_def.crs.to_string()
             for a in ["height", "width"]:
                 ds_attr = getattr(area_def, a, None)
                 if ds_attr is None:

pyproject.toml

@@ -56,6 +56,9 @@ include-package-data = true
 [tool.setuptools.packages]
 find = {}
 
+[tool.pytest.ini_options]
+minversion = 7.0
+
 [tool.coverage.run]
 relative_files = true