Preserve the validation error when parsing a malformed statement - #1846
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DrVelvetFog wants to merge 1 commit into
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Preserve the validation error when parsing a malformed statement#1846DrVelvetFog wants to merge 1 commit into
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Statement(contents=...) discarded the pydantic ValidationError, leaving callers with a bare "malformed in-toto statement" and no __cause__, so a rejected digest algorithm, a missing field and a bad _type were indistinguishable. StatementBuilder.build() already surfaces the underlying error; this makes the parsing path match. Signed-off-by: Antoni Jagodka <tjagodka@gmail.com>
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Statement(contents=...)discards the pydanticValidationError, so callers getmalformed in-toto statementwith no indication of what was malformed — a rejected digest algorithm, a missing field and a bad_typeare indistinguishable, and__cause__isNone.StatementBuilder.build()in the same module already surfaces it:This makes the parsing path match.
Found while parsing a statement whose subject used
gitCommit. That rejection is deliberate per #1018 and this doesn't change it — only what the caller is told about it.The test asserts the cause is preserved and that the message names the offending field; it fails without the change: