add gwcs as test dependency but don't use for oldestdeps

Author: braingram

asdf_astropy/converters/wcs/tests/conftest.py

@@ -5,9 +5,8 @@
 
 @pytest.fixture
 def gwcs_4d_identity_units():
-    from gwcs.examples import gwcs_4d_identity_units
-
-    return gwcs_4d_identity_units()
+    examples = pytest.importorskip("gwcs.examples")
+    return examples.gwcs_4d_identity_units()
 
 
 @pytest.fixture

asdf_astropy/converters/wcs/tests/test_highlevelwcswrapper.py

@@ -1,5 +1,4 @@
 import asdf
-import gwcs
 import pytest
 from astropy.wcs import WCS
 from astropy.wcs.wcsapi import HighLevelWCSWrapper
@@ -30,5 +29,3 @@ def test_hllwcs_serialization(hl_wcs, tmp_path):
         loaded_hl_wcs = af["hl_wcs"]
         if isinstance(loaded_hl_wcs, WCS):
             assert_wcs_equal(hl_wcs._low_level_wcs, loaded_hl_wcs._low_level_wcs)
-        elif isinstance(loaded_hl_wcs, gwcs.WCS):
-            pass

asdf_astropy/resources/manifests/astropy-1.2.0.yaml

@@ -76,9 +76,3 @@ tags:
     Represents the FITS WCS object, the HDUlist of the FITS header is preserved
     during serialization and during deserialization the WCS object is recreated
     from the HDUlist.
-- tag_uri: tag:astropy.org:astropy/wcs/highlevelwcswrapper-1.0.0
-  schema_uri: http://astropy.org/schemas/astropy/wcs/highlevelwcswrapper-1.0.0
-  title: Represents an instance of HighLevelWCSWrapper
-  description: |-
-    Wrapper class that can take any astropy.wcs.wcsapi.BaseLowLevelWCS
-    object and expose the high-level WCS API.

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
   "asdf-coordinates-schemas>=0.4",
   "asdf-transform-schemas>=0.6",
   "asdf-standard>=1.1.0",
-  "astropy>=6.0",
+  "astropy>=5.3.0",
   "numpy>=1.26",
   "packaging>=19",
 ]
@@ -33,18 +33,14 @@ docs = [
   "sphinx-automodapi",
   "tomli",
 ]
-# test deps which oldestdeps installs oldest versions
-test-oldest = [
-  "scipy>=1.14.1",  # indirect requirement via astropy, oldest version supported by gwcs
-  "gwcs>=0.22",
-]
 test = [
-  "asdf-astropy[test-oldest]",
   "coverage",
   "pytest-astropy",
   "pytest-asdf-plugin",
   "pytest-lazy-fixtures",
   "pytest",
+  "gwcs",
+  "scipy",  # indirect requirement via astropy
 ]
 [project.urls]
 'documentation' = 'https://asdf-astropy.readthedocs.io/en/latest/'

tox.ini

@@ -37,8 +37,10 @@ commands_pre=
     devdeps: pip install -U --pre -i https://pypi.anaconda.org/liberfa/simple pyerfa
     devdeps: pip install -U --pre -i https://pypi.anaconda.org/astropy/simple astropy
 
+    # gwcs is incompatible with our oldest deps
+    oldestdeps: pip uninstall -y gwcs
     # Generate `requiremments-min.txt`
-    oldestdeps: minimum_dependencies asdf-astropy --extras test-oldest --filename {envtmpdir}/requirements-min.txt
+    oldestdeps: minimum_dependencies asdf-astropy --filename {envtmpdir}/requirements-min.txt
     # Force install everything from `requirements-min.txt`
     oldestdeps: pip install -r {envtmpdir}/requirements-min.txt