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__init__.py — langchain Source File

Architecture documentation for __init__.py, a python file in the langchain codebase. 3 imports, 0 dependents.

File python CoreAbstractions Serialization 3 imports 2 functions

Entity Profile

Dependency Diagram

graph LR
  1da536c3_cd02_671e_8614_453933a0da9e["__init__.py"]
  8e2034b7_ceb8_963f_29fc_2ea6b50ef9b3["typing"]
  1da536c3_cd02_671e_8614_453933a0da9e --> 8e2034b7_ceb8_963f_29fc_2ea6b50ef9b3
  439a4142_6fa6_fe9a_2cba_7c9fb0cdceb7["langchain_classic._api"]
  1da536c3_cd02_671e_8614_453933a0da9e --> 439a4142_6fa6_fe9a_2cba_7c9fb0cdceb7
  9b7e8896_86b4_5a7f_1f85_31ab190e46d3["langchain_community.graphs"]
  1da536c3_cd02_671e_8614_453933a0da9e --> 9b7e8896_86b4_5a7f_1f85_31ab190e46d3
  style 1da536c3_cd02_671e_8614_453933a0da9e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

"""**Graphs** provide a natural language interface to graph databases."""

from typing import TYPE_CHECKING, Any

from langchain_classic._api import create_importer

if TYPE_CHECKING:
    from langchain_community.graphs import (
        ArangoGraph,
        FalkorDBGraph,
        HugeGraph,
        KuzuGraph,
        MemgraphGraph,
        NebulaGraph,
        Neo4jGraph,
        NeptuneGraph,
        NetworkxEntityGraph,
        RdfGraph,
    )


# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
DEPRECATED_LOOKUP = {
    "MemgraphGraph": "langchain_community.graphs",
    "NetworkxEntityGraph": "langchain_community.graphs",
    "Neo4jGraph": "langchain_community.graphs",
    "NebulaGraph": "langchain_community.graphs",
    "NeptuneGraph": "langchain_community.graphs",
    "KuzuGraph": "langchain_community.graphs",
    "HugeGraph": "langchain_community.graphs",
    "RdfGraph": "langchain_community.graphs",
    "ArangoGraph": "langchain_community.graphs",
    "FalkorDBGraph": "langchain_community.graphs",
}

_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)


def __getattr__(name: str) -> Any:
    """Look up attributes dynamically."""
    return _import_attribute(name)


__all__ = [
    "ArangoGraph",
    "FalkorDBGraph",
    "HugeGraph",
    "KuzuGraph",
    "MemgraphGraph",
    "NebulaGraph",
    "Neo4jGraph",
    "NeptuneGraph",
    "NetworkxEntityGraph",
    "RdfGraph",
]

Domain

Subdomains

Functions

Dependencies

  • langchain_classic._api
  • langchain_community.graphs
  • typing

Source

Frequently Asked Questions

What does __init__.py do?
__init__.py is a source file in the langchain codebase, written in python. It belongs to the CoreAbstractions domain, Serialization subdomain.
What functions are defined in __init__.py?
__init__.py defines 2 function(s): __getattr__, langchain_community.
What does __init__.py depend on?
__init__.py imports 3 module(s): langchain_classic._api, langchain_community.graphs, typing.
Where is __init__.py in the architecture?
__init__.py is located at libs/langchain/langchain_classic/graphs/__init__.py (domain: CoreAbstractions, subdomain: Serialization, directory: libs/langchain/langchain_classic/graphs).

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