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Raise more helpful errors in _dereference_path #3392

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Raise more helpful errors in _dereference_path #3392

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44b442f
Raise more helpful errors in _dereference_path
dstansby Aug 20, 2025
4808f21
Merge branch 'main' into deref-path-errors
d-v-b Aug 24, 2025
f5f6014
Merge branch 'main' into deref-path-errors
d-v-b Aug 25, 2025
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8 changes: 6 additions & 2 deletions src/zarr/storage/_common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,12 @@


def _dereference_path(root: str, path: str) -> str:
assert isinstance(root, str)
assert isinstance(path, str)
if not isinstance(root, str):
msg = f"{root=} is not a string ({type(root)=})"
raise TypeError(msg)
if not isinstance(path, str):
msg = f"{path=} is not a string ({type(path)=})"
raise TypeError(msg)
root = root.rstrip("/")
path = f"{root}/{path}" if root else path
return path.rstrip("/")
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