def expecting_but_found(self, expecting, found=None):
raise YAMLValidationError(
expecting,
found if found is not None else "found {0}".format(self.found()),
self,
)
def validate_scalar(self, chunk: YAMLChunk) -> typing.List[int]:
match = self.REGEX.fullmatch(chunk.contents)
if match is None:
raise YAMLValidationError(self._matching_message,
"found non-matching string", chunk)
return [int(group) for group in match.group(1, 2, 3)]