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60 lines
2.7 KiB
Python
60 lines
2.7 KiB
Python
from uuid import UUID
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from cognee.context_global_variables import backend_access_control_enabled
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from cognee.infrastructure.databases.unified import get_unified_engine
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from cognee.infrastructure.databases.provenance.markers import stores_provenance_in_graph
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from cognee.modules.graph.legacy.has_nodes_in_legacy_ledger import has_nodes_in_legacy_ledger
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from cognee.modules.graph.legacy.has_edges_in_legacy_ledger import has_edges_in_legacy_ledger
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from cognee.modules.graph.methods import (
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delete_dataset_related_edges,
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delete_dataset_related_nodes,
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get_dataset_related_nodes,
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get_dataset_related_edges,
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get_global_dataset_related_nodes,
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get_global_dataset_related_edges,
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)
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from cognee.modules.graph.methods.delete_from_graph_and_vector import (
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delete_from_graph_and_vector,
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)
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from cognee.modules.data.methods.get_authorized_dataset import get_authorized_dataset
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from cognee.modules.users.methods.get_user import get_user
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async def delete_dataset_nodes_and_edges(dataset_id: UUID, user_id: UUID) -> None:
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user = await get_user(user_id)
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# Check if user has delete permission for the dataset before proceeding with deletion of related graph/vector nodes and edges.
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dataset = await get_authorized_dataset(user, dataset_id, "delete")
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dataset_id = dataset.id
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# Graph-provenance graphs carry provenance in the graph (no relational ledger
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# rows). Route them through the unified boundary, which removes the
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# dataset's source refs and hard-deletes any artifact left unowned.
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unified = await get_unified_engine()
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if unified.supports_graph_provenance_delete():
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graph_engine = unified.graph
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if await stores_provenance_in_graph(graph_engine):
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await unified.delete_by_dataset_id(str(dataset_id))
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return
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if backend_access_control_enabled():
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affected_nodes = await get_dataset_related_nodes(dataset_id)
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affected_edges = await get_dataset_related_edges(dataset_id) if affected_nodes else []
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else:
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affected_nodes = await get_global_dataset_related_nodes(dataset_id)
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affected_edges = (
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await get_global_dataset_related_edges(dataset_id) if affected_nodes else []
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)
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if affected_nodes:
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is_legacy_node = await has_nodes_in_legacy_ledger(affected_nodes)
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is_legacy_edge = await has_edges_in_legacy_ledger(affected_edges)
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await delete_from_graph_and_vector(
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affected_nodes, affected_edges, is_legacy_node, is_legacy_edge
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)
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# Always clean up relational ownership records, even when no unique
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# graph/vector nodes needed deletion (e.g. shared nodes across datasets).
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await delete_dataset_related_nodes(dataset_id)
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await delete_dataset_related_edges(dataset_id)
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