Do not reverse colormaps with _r suffix a second time (#4931)

holoviz · May 17, 2021 · 08dd8d2 · 08dd8d2
1 parent 585dae3
commit 08dd8d2
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/holoviews/plotting/util.py b/holoviews/plotting/util.py
@@ -691,14 +691,16 @@ def info(provider,names):
             else:
                 mpl_cmaps = list(cm.cmaps_listed)+list(cm.datad)
             cmaps += info('matplotlib', mpl_cmaps)
-            cmaps += info('matplotlib', [cmap+'_r' for cmap in mpl_cmaps])
+            cmaps += info('matplotlib', [cmap+'_r' for cmap in mpl_cmaps
+                                         if not cmap.endswith('_r')])
         except:
             pass
     if 'bokeh' in provider:
         try:
             from bokeh import palettes
             cmaps += info('bokeh', palettes.all_palettes)
-            cmaps += info('bokeh', [p+'_r' for p in palettes.all_palettes])
+            cmaps += info('bokeh', [p+'_r' for p in palettes.all_palettes
+                                    if not p.endswith('_r')])
         except:
             pass
     if 'colorcet' in provider:
@@ -707,7 +709,7 @@ def info(provider,names):
             cet_maps = palette_n.copy()
             cet_maps['glasbey_hv'] = glasbey_hv # Add special hv-specific map
             cmaps += info('colorcet', cet_maps) 
-            cmaps += info('colorcet', [p+'_r' for p in cet_maps])
+            cmaps += info('colorcet', [p+'_r' for p in cet_maps if not p.endswith('_r')])
         except:
             pass
     return sorted(unique_iterator(cmaps))