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fix: validate mutually-exclusive body options under python -O #3238

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Suraj-Self (suraj-self) wants to merge 2 commits into from
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fix: validate mutually-exclusive body options under python -O #3238

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e2f9ad0
fix: validate mutually-exclusive body options under python -O
suraj-self Oct 11, 2026
414c016
fix: preserve body option validation under python -O
suraj-self Oct 12, 2026
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7 changes: 5 additions & 2 deletions playwright/_impl/_fetch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -391,11 +391,14 @@ async def _inner_fetch(
) -> "APIResponse":
if self._close_reason:
raise TargetClosedError(self._close_reason)
assert (
if (
(1 if data is not None else 0)
+ (1 if form is not None else 0)
+ (1 if multipart is not None else 0)
) <= 1, "Only one of 'data', 'form' or 'multipart' can be specified"
) > 1:
raise AssertionError(
"Only one of 'data', 'form' or 'multipart' can be specified"
)
assert (
maxRedirects is None or maxRedirects >= 0
), "'max_redirects' must be greater than or equal to '0'"
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