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[ENH] Update error message printed on overlapping cycles to be more verbose #100

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Merged
merged 3 commits into from
Aug 2, 2024
Merged

[ENH] Update error message printed on overlapping cycles to be more verbose #100

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555b8bd
[MNT] Update error message printed on overlapping cycles to be more v…
jwlodek Jul 26, 2024
da2514c
Utilize walrus operator
jwlodek Jul 30, 2024
2a858e4
Fix linting error
jwlodek Aug 2, 2024
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7 changes: 5 additions & 2 deletions cycler/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,11 @@ def _process_keys(
r_peek: dict[K, V] = next(iter(right)) if right is not None else {}
l_key: set[K] = set(l_peek.keys())
r_key: set[K] = set(r_peek.keys())
if l_key & r_key:
raise ValueError("Can not compose overlapping cycles")
if common_keys := l_key & r_key:
raise ValueError(
f"Cannot compose overlapping cycles, duplicate key(s): {common_keys}"
)

return l_key | r_key


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