support python 3.14 - by disabling spherely functionality on this platform

Author: xrotwang

setup.cfg

@@ -34,13 +34,14 @@ packages = find:
 package_dir =
     = src
 python_requires = >=3.10
+# Note: spherely currently does not support python 3.14.
 install_requires =
     cldfbench
     clldutils
     pycldf>=1.30.0
     pyglottolog
     shapely
-    spherely
+    spherely; python_version < '3.14'
     rasterio
     mako
     numpy
@@ -96,7 +97,7 @@ show_missing = true
 skip_covered = true
 
 [tox:tox]
-envlist = py310, py311, py312, py313
+envlist = py310, py311, py312, py313, py314
 isolated_build = true
 skip_missing_interpreter = true
 

src/cldfgeojson/geometry.py

@@ -15,10 +15,14 @@
 from shapely.geometry import (
     shape, Polygon, MultiPolygon, GeometryCollection, LineString, MultiLineString, MultiPoint)
 from shapely.ops import unary_union
-import spherely
 import numpy as np
 import antimeridian
 
+try:
+    import spherely
+except ImportError:
+    spherely = None
+
 from cldfgeojson import geojson
 
 
@@ -107,6 +111,8 @@ def fixer(shp: Geometry) -> Geometry:
 class SpherelyChecker:
     @staticmethod
     def is_valid(shp) -> typing.Tuple[bool, str]:
+        if spherely is None:  # pragma: no cover
+            return True, ''
         try:
             spherely.from_wkt(shp.wkt)
             return True, ''
@@ -115,6 +121,8 @@ def is_valid(shp) -> typing.Tuple[bool, str]:
 
     @staticmethod
     def fixer(shp: Geometry) -> Geometry:
+        if spherely is None:  # pragma: no cover
+            return shp
         if not ShapelyChecker.is_valid(shp)[0]:
             raise ValueError('Cannot fix (shapely) invalid geometry')
         try:

tests/test_geometry.py

@@ -178,6 +178,8 @@ def test_fixed_geometry(recwarn):
 
 
 def test_SpherelyChecker(fixtures_dir):
+    if spherely is None:
+        return
     f = load(fixtures_dir / 'irish.geojson')
     _ = SpherelyChecker.fixer(shape(f['geometry']))