bc67eb9651
<!-- .github/pull_request_template.md --> ## Description <!-- Provide a clear description of the changes in this PR --> ## DCO Affirmation I affirm that all code in every commit of this pull request conforms to the terms of the Topoteretes Developer Certificate of Origin.
75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
"""kuzu-11-migration
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Revision ID: b9274c27a25a
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Revises: e4ebee1091e7
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Create Date: 2025-07-24 17:11:52.174737
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"""
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import os
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from typing import Sequence, Union
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from cognee.infrastructure.databases.graph.kuzu.kuzu_migrate import (
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kuzu_migration,
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read_kuzu_storage_version,
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)
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import kuzu
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# revision identifiers, used by Alembic.
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revision: str = "b9274c27a25a"
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down_revision: Union[str, None] = "e4ebee1091e7"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# This migration is only for multi-user Cognee mode
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if os.getenv("ENABLE_BACKEND_ACCESS_CONTROL", "false").lower() == "true":
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from cognee.base_config import get_base_config
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base_config = get_base_config()
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databases_root = os.path.join(base_config.system_root_directory, "databases")
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if not os.path.isdir(databases_root):
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raise FileNotFoundError(f"Directory not found: {databases_root}")
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for current_path, dirnames, _ in os.walk(databases_root):
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# If file is kuzu graph database
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if ".pkl" in current_path[-4:]:
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kuzu_db_version = read_kuzu_storage_version(current_path)
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if (
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kuzu_db_version == "0.9.0" or kuzu_db_version == "0.8.2"
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) and kuzu_db_version != kuzu.__version__:
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# Try to migrate kuzu database to latest version
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kuzu_migration(
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new_db=current_path + "_new",
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old_db=current_path,
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new_version=kuzu.__version__,
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old_version=kuzu_db_version,
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overwrite=True,
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)
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else:
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from cognee.infrastructure.databases.graph import get_graph_config
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graph_config = get_graph_config()
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if graph_config.graph_database_provider.lower() == "kuzu":
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if os.path.exists(graph_config.graph_file_path):
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kuzu_db_version = read_kuzu_storage_version(graph_config.graph_file_path)
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if (
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kuzu_db_version == "0.9.0" or kuzu_db_version == "0.8.2"
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) and kuzu_db_version != kuzu.__version__:
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# Try to migrate kuzu database to latest version
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kuzu_migration(
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new_db=graph_config.graph_file_path + "_new",
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old_db=graph_config.graph_file_path,
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new_version=kuzu.__version__,
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old_version=kuzu_db_version,
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overwrite=True,
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)
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def downgrade() -> None:
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# To downgrade you will have to manually change the backup old kuzu graph databases
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# stored in the user folder to its previous name and remove the new kuzu graph
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# database that replaced it
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pass
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