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__init__.py — langchain Source File

Architecture documentation for __init__.py, a python file in the langchain codebase. 6 imports, 0 dependents.

File python Observability Tracers 6 imports 2 functions

Entity Profile

Dependency Diagram

graph LR
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02["__init__.py"]
  feec1ec4_6917_867b_d228_b134d0ff8099["typing"]
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02 --> feec1ec4_6917_867b_d228_b134d0ff8099
  846ca6e3_1658_c38e_f506_8418b4c3f527["langchain_core.tracers.langchain"]
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02 --> 846ca6e3_1658_c38e_f506_8418b4c3f527
  dc7941dd_4370_a1c5_598c_e6d2635d362c["langchain_core.tracers.stdout"]
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02 --> dc7941dd_4370_a1c5_598c_e6d2635d362c
  e4596b95_ed91_0e47_96dd_7e987bc14a69["langchain_classic._api"]
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02 --> e4596b95_ed91_0e47_96dd_7e987bc14a69
  9f7a4768_029d_b266_445f_8236b469fca7["langchain_classic.callbacks.tracers.logging"]
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02 --> 9f7a4768_029d_b266_445f_8236b469fca7
  64509beb_ce36_6fa2_1aaa_5ded114248b2["langchain_community.callbacks.tracers.wandb"]
  0ff68876_aa0c_262f_1ba4_0aebc3e21f02 --> 64509beb_ce36_6fa2_1aaa_5ded114248b2
  style 0ff68876_aa0c_262f_1ba4_0aebc3e21f02 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

"""Tracers that record execution of LangChain runs."""

from typing import TYPE_CHECKING, Any

from langchain_core.tracers.langchain import LangChainTracer
from langchain_core.tracers.stdout import (
    ConsoleCallbackHandler,
    FunctionCallbackHandler,
)

from langchain_classic._api import create_importer
from langchain_classic.callbacks.tracers.logging import LoggingCallbackHandler

if TYPE_CHECKING:
    from langchain_community.callbacks.tracers.wandb import WandbTracer

# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
DEPRECATED_LOOKUP = {"WandbTracer": "langchain_community.callbacks.tracers.wandb"}

_import_attribute = create_importer(__file__, deprecated_lookups=DEPRECATED_LOOKUP)


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


__all__ = [
    "ConsoleCallbackHandler",
    "FunctionCallbackHandler",
    "LangChainTracer",
    "LoggingCallbackHandler",
    "WandbTracer",
]

Domain

Subdomains

Functions

Dependencies

  • langchain_classic._api
  • langchain_classic.callbacks.tracers.logging
  • langchain_community.callbacks.tracers.wandb
  • langchain_core.tracers.langchain
  • langchain_core.tracers.stdout
  • 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 Observability domain, Tracers 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 6 module(s): langchain_classic._api, langchain_classic.callbacks.tracers.logging, langchain_community.callbacks.tracers.wandb, langchain_core.tracers.langchain, langchain_core.tracers.stdout, typing.
Where is __init__.py in the architecture?
__init__.py is located at libs/langchain/langchain_classic/callbacks/tracers/__init__.py (domain: Observability, subdomain: Tracers, directory: libs/langchain/langchain_classic/callbacks/tracers).

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