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- from datalad.support.constraints import EnsureStr
- class EnsureDatasetSiblingName(EnsureStr):
- # we cannot really test this, because we have no access to a repo
- # TODO think about expanding the __call__ API to take a positional
- # a the key value (status quo), but also take a range of kwargs
- # such that a constraint could be validated more than once
- # (i.e. not just by argparse at the CLI, but also inside an
- # implementation, maybe once a dataset context is known).
- # Could also be implemented by a dedicated `valid_for(value, dataset)`
- def __init__(self):
- # basic protection against an empty label
- super().__init__(min_len=1)
- def long_description(self):
- return 'value must be the name of a dataset sibling'
- def short_description(self):
- return 'sibling name'
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