change geoviews to extra req

ncplot/plot.py

@@ -31,6 +31,17 @@
 hv.extension("bokeh")
 hv.Store.renderers
 
+def as_raster():
+    """
+    Simple hack to rasterize when datashader is available.
+    This is to get around Python 3.11 datashader nonavailability
+    """
+    try:
+        import datashader
+        return True
+    except:
+        return False
+
 
 def get_coastline(ds, lon_name, lat_name):
     """
@@ -286,7 +297,7 @@ def view(x, vars=None, autoscale=True, out=None, **kwargs):
     switch_coords = False
 
     try:
-        import datashader
+        #import datashader
         rasterize = True
     except:
         rasterize = False

requirements.txt

@@ -7,8 +7,5 @@ bokeh
 panel
 pandas
 metpy
-#datashader
-#cartopy
-geoviews>=1.9.4
 jinja2<=3.0.3
 

setup.py

@@ -21,6 +21,13 @@
 except IOError:
     long_description = DESCRIPTION
 
+extras_require: dict[str, list[str]] = {
+        ':python_version <= "3.10"': [
+            'datashader',
+        ],
+}
+
+extras_require["complete"] = ["geoviews"]
 
 setup(name='ncplot',
       version='0.2.9',
@@ -56,11 +63,7 @@
         'wheel',
     ],
       install_requires = REQUIREMENTS,
-      extras_require={
-        ':python_version <= "3.10"': [
-            'datashader',
-        ],
-    },
+      extras_require = extras_require,
       zip_safe=False)