8802b7db13
* Fix FalkoDB tests * Add support for graph memory using Kuzu * Fix lints * Fix queries * Add tests * Add comments * Add more test coverage * Add mocked tests * Format * Add mocked tests II * Refactor community queries * Add more mocked tests * Refactor tests to always cleanup * Add more mocked tests * Update kuzu * Refactor how filters are built * Add more mocked tests * Refactor and cleanup * Fix tests * Fix lints * Refactor tests * Disable neptune * Fix * Update kuzu version * Update kuzu to latest release * Fix filter * Fix query * Fix Neptune query * Fix bulk queries * Fix lints * Fix deletes * Comments and format * Add Kuzu to the README * Fix bulk queries * Test all fields of nodes and edges * Fix lints * Update search_utils.py --------- Co-authored-by: Preston Rasmussen <109292228+prasmussen15@users.noreply.github.com>
89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
"""
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Copyright 2024, Zep Software, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import copy
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import logging
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from abc import ABC, abstractmethod
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from collections.abc import Coroutine
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from enum import Enum
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from typing import Any
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logger = logging.getLogger(__name__)
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class GraphProvider(Enum):
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NEO4J = 'neo4j'
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FALKORDB = 'falkordb'
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KUZU = 'kuzu'
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NEPTUNE = 'neptune'
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class GraphDriverSession(ABC):
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provider: GraphProvider
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async def __aenter__(self):
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return self
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@abstractmethod
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async def __aexit__(self, exc_type, exc, tb):
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# No cleanup needed for Falkor, but method must exist
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pass
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@abstractmethod
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async def run(self, query: str, **kwargs: Any) -> Any:
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raise NotImplementedError()
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@abstractmethod
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async def close(self):
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raise NotImplementedError()
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@abstractmethod
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async def execute_write(self, func, *args, **kwargs):
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raise NotImplementedError()
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class GraphDriver(ABC):
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provider: GraphProvider
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fulltext_syntax: str = (
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'' # Neo4j (default) syntax does not require a prefix for fulltext queries
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)
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_database: str
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@abstractmethod
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def execute_query(self, cypher_query_: str, **kwargs: Any) -> Coroutine:
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raise NotImplementedError()
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@abstractmethod
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def session(self, database: str | None = None) -> GraphDriverSession:
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raise NotImplementedError()
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@abstractmethod
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def close(self):
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raise NotImplementedError()
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@abstractmethod
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def delete_all_indexes(self) -> Coroutine:
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raise NotImplementedError()
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def with_database(self, database: str) -> 'GraphDriver':
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"""
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Returns a shallow copy of this driver with a different default database.
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Reuses the same connection (e.g. FalkorDB, Neo4j).
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"""
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cloned = copy.copy(self)
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cloned._database = database
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return cloned
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