init.py — langchain Source File

Architecture documentation for __init__.py, a python file in the langchain codebase. 1 imports, 0 dependents.

File python 1 imports

Entity Profile

Dependency Diagram

graph LR
  80f4ce2d_4e90_018f_0341_b6cfc3946dad["__init__.py"]
  9444498b_8066_55c7_b3a2_1d90c4162a32["langchain_core.messages"]
  80f4ce2d_4e90_018f_0341_b6cfc3946dad --> 9444498b_8066_55c7_b3a2_1d90c4162a32
  style 80f4ce2d_4e90_018f_0341_b6cfc3946dad fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

"""Message and message content types.

Includes message types for different roles (e.g., human, AI, system), as well as types
for message content blocks (e.g., text, image, audio) and tool calls.
"""

from langchain_core.messages import (
    AIMessage,
    AIMessageChunk,
    Annotation,
    AnyMessage,
    AudioContentBlock,
    Citation,
    ContentBlock,
    DataContentBlock,
    FileContentBlock,
    HumanMessage,
    ImageContentBlock,
    InputTokenDetails,
    InvalidToolCall,
    MessageLikeRepresentation,
    NonStandardAnnotation,
    NonStandardContentBlock,
    OutputTokenDetails,
    PlainTextContentBlock,
    ReasoningContentBlock,
    RemoveMessage,
    ServerToolCall,
    ServerToolCallChunk,
    ServerToolResult,
    SystemMessage,
    TextContentBlock,
    ToolCall,
    ToolCallChunk,
    ToolMessage,
    UsageMetadata,
    VideoContentBlock,
    trim_messages,
)

__all__ = [
    "AIMessage",
    "AIMessageChunk",
    "Annotation",
    "AnyMessage",
    "AudioContentBlock",
    "Citation",
    "ContentBlock",
    "DataContentBlock",
    "FileContentBlock",
    "HumanMessage",
    "ImageContentBlock",
    "InputTokenDetails",
    "InvalidToolCall",
    "MessageLikeRepresentation",
    "NonStandardAnnotation",
    "NonStandardContentBlock",
    "OutputTokenDetails",
    "PlainTextContentBlock",
    "ReasoningContentBlock",
    "RemoveMessage",
    "ServerToolCall",
    "ServerToolCallChunk",
    "ServerToolResult",
    "SystemMessage",
    "TextContentBlock",
    "ToolCall",
    "ToolCallChunk",
    "ToolMessage",
    "UsageMetadata",
    "VideoContentBlock",
    "trim_messages",
]

Dependencies

langchain_core.messages

Source

View on GitHub

Frequently Asked Questions

What does __init__.py do?

__init__.py is a source file in the langchain codebase, written in python.

What does __init__.py depend on?

__init__.py imports 1 module(s): langchain_core.messages.

Where is __init__.py in the architecture?

__init__.py is located at libs/langchain_v1/langchain/messages/__init__.py (directory: libs/langchain_v1/langchain/messages).

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free

__init__.py — langchain Source File