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throw RuntimeError if no system is found by expand_sys_str #1292

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merged 1 commit into from
Jul 26, 2023
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throw RuntimeError if no system is found by expand_sys_str #1292

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7 changes: 7 additions & 0 deletions dpgen/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -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():
Expand All @@ -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


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