add download_cdbs_data if Vega is missing

JarronL · Feb 7, 2024 · 383af83 · 383af83
1 parent f7ddb80
commit 383af83
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/webbpsf_ext/synphot_ext.py b/webbpsf_ext/synphot_ext.py
@@ -671,6 +671,9 @@ def load_vega(vegafile=None, **kwargs):
     if vegafile is None:
         vegafile = synconf.vega_file
 
+    if not os.path.exists(vegafile):
+        download_cdbs_data()
+
     with synconf.set_temp('vega_file', vegafile):
         try:
             Vega = Spectrum.from_vega(**kwargs)