15 lines
451 B
Python
15 lines
451 B
Python
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from szurubooru import errors
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def verify_version(entity, context, field_name='version'):
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actual_version = context.get_param_as_int(field_name, required=True)
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expected_version = entity.version
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if actual_version != expected_version:
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raise errors.InvalidParameterError(
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'Someone else modified this in the meantime. ' +
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'Please try again.')
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def bump_version(entity):
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entity.version = entity.version + 1
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