Fix/155 change to return results from detect when recipe does not contain filters

CHANGELOG.md

@@ -15,6 +15,7 @@ Referenced versions in headers are tagged on Github, in parentheses are for pypi
 
 ## [vxx](https://github.com/pydicom/deid/tree/master) (master)
  - changing iteration technique through fields to properly add nested uids [#153](https://github.com/pydicom/deid/issues/153) (0.2.22)
+ - change to return results from detect when recipe does not contain filters [#155](https://github.com/pydicom/deid/issues/155)
  - fix to correct bug in detect [#142](https://github.com/pydicom/deid/issues/142)  (0.2.21)
  - fixes to detect and clean to better represent keep/coordinates (0.2.20)
  - modify default VR for added tags [#146](https://github.com/pydicom/deid/issues/146), bug with private tags in %fields section [#147](https://github.com/pydicom/deid/issues/147) (0.2.19)

deid/dicom/pixels/detect.py

@@ -121,15 +121,16 @@ def _has_burned_pixels_single(dicom_file, force, deid):
     """
     dicom = read_file(dicom_file, force=force)
 
-    # Load criteria (actions) for flagging
-    filters = deid.get_filters()
-    if not filters:
-        bot.exit("Deid provided does not have %filter, exiting.")
-
     # Return list with lookup as dicom_file
     results = []
     global_flagged = False
 
+    # Load criteria (actions) for flagging
+    filters = deid.get_filters()
+    if not filters:
+        bot.warning("Deid provided does not have %filter.")
+        return {"flagged": global_flagged, "results": results}
+
     for name, items in filters.items():
         for item in items:
             flags = []