Fix _bids_filter.

PennLINC · Jan 25, 2024 · 9581a69 · 9581a69
1 parent a35e82b
commit 9581a69
Showing 1 changed file with 11 additions and 5 deletions.
diff --git a/aslprep/cli/parser.py b/aslprep/cli/parser.py
@@ -65,11 +65,17 @@ def _filter_pybids_none_any(dct):
                 d[k] = _process_value(v)
         return d
 
-    def _bids_filter(value):
-        from json import loads
-
-        if value and Path(value).exists():
-            return loads(Path(value).read_text(), object_hook=_filter_pybids_none_any)
+    def _bids_filter(value, parser):
+        from json import JSONDecodeError, loads
+
+        if value:
+            if Path(value).exists():
+                try:
+                    return loads(Path(value).read_text(), object_hook=_filter_pybids_none_any)
+                except JSONDecodeError:
+                    raise parser.error(f"JSON syntax error in: <{value}>.")
+            else:
+                raise parser.error(f"Path does not exist: <{value}>.")
 
     verstr = f"ASLPrep v{config.environment.version}"
     currentv = Version(config.environment.version)