Added check if CRDS Readonly environment variable is set

gbrammer · Dec 13, 2023 · f9b86c3 · f9b86c3
1 parent 44d48fd
commit f9b86c3
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/grizli/prep.py b/grizli/prep.py
@@ -6224,9 +6224,8 @@ def get_jwst_wfssbkg_file(file, valid_flat=[0.6, 1.3], make_figure=False):
 
     flat_file = FlatFieldStep().get_reference_file(file, 'flat')
 
-    # If we have write access to file open it
-    # Otherwise copy to local file
-    if not os.access(bkg_file,os.W_OK):    
+    # If we don't have write access copy to local file
+    if (not os.access(bkg_file,os.W_OK)) or (('CRDS_READONLY_CACHE' in os.environ) and (os.environ['CRDS_READONLY_CACHE'] == '1')):
         shutil.copy(bkg_file,local_bkg_file)
         bkg_file = local_bkg_file
     wf = pyfits.open(bkg_file, mode='update')