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raise NotImplementedError
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def write(self, source, revision_ids, forced_bases, f):
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def _write_bundle(self, repository, revision_id, base_revision_id, out):
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"""Helper function for translating write_bundle to write"""
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forced_bases = {revision_id:base_revision_id}
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if base_revision_id is NULL_REVISION:
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revision_ids = list(repository.get_graph().iter_topo_order(