throw RuntimeError if no system is found by expand_sys_str (#1292)

Fix #1286.
deepmodeling · Jul 26, 2023 · 801f279 · 801f279
1 parent 2a6fd09
commit 801f279
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/dpgen/util.py b/dpgen/util.py
@@ -49,6 +49,11 @@ def expand_sys_str(root_dir: Union[str, Path]) -> list[str]:
     -------
     List[str]
         list of string pointing to system directories
+
+    Raises
+    ------
+    RuntimeError
+        No system was found in the directory
     """
     root_dir = Path(root_dir)
     if root_dir.is_dir():
@@ -66,6 +71,8 @@ def expand_sys_str(root_dir: Union[str, Path]) -> list[str]:
         ]
     else:
         raise OSError(f"{root_dir} does not exist.")
+    if len(matches) == 0:
+        raise RuntimeError("%s does not contain any systems!" % root_dir)
     return matches