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[devalue] avoid infinite loop

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Authored by: bashonly
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bashonly 2025-06-11 02:19:19 -05:00
parent cc6111b31b
commit 363c68d3ed
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1 changed files with 3 additions and 0 deletions
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yt_dlp/utils/web/devalue.py
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@ -71,6 +71,9 @@ def parse_iter(parsed: typing.Any, /, *, revivers: dict[str, collections.abc.Cal
if value and isinstance(value[0], str):
# TODO: implement zips `strict=True`
if reviver := revivers.get(value[0]):
if value[1] == source:
yield IndexError('custom types cannot point to themselves')
continue
# inverse order: resolve index, revive value
stack.append((target, index, (value[0], value[1], reviver)))
stack.append((target, index, value[1]))