From 78edd9c0ddf95cd6505762bc72aaf6dcc0503f02 Mon Sep 17 00:00:00 2001
From: Peter Beaucage <peter.beaucage@nist.gov>
Date: Thu, 6 Apr 2023 16:49:54 -0400
Subject: [PATCH] Add error if catalog_kwargs or use_chunked_loading are used
 with a catalog

---
 src/PyHyperScattering/SST1RSoXSDB.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/PyHyperScattering/SST1RSoXSDB.py b/src/PyHyperScattering/SST1RSoXSDB.py
index dc315189..93105bd8 100644
--- a/src/PyHyperScattering/SST1RSoXSDB.py
+++ b/src/PyHyperScattering/SST1RSoXSDB.py
@@ -93,6 +93,10 @@ def __init__(
             self.c = from_profile("rsoxs", **catalog_kwargs)
         else:
             self.c = catalog
+            if use_chunked_loading:
+                raise SyntaxError('use_chunked_loading is incompatible with externally supplied catalog.  when creating the catalog, pass structure_clients = "dask" as a kwarg.')
+            if len(catalog_kwargs) != 0:
+                raise SyntaxError('catalog_kwargs is incompatible with externally supplied catalog.  pass those kwargs to whoever gave you the catalog you passed in.')
         self.dark_subtract = dark_subtract
         self.dark_pedestal = dark_pedestal
         self.exposure_offset = exposure_offset