tools.dependency_injection

BaseContext

class BaseContext(ABC)

Base class for context classes.

This is the base class for defining various context types that may be used throughout the application. It serves as a parent for specific context classes.

ChatContext

class ChatContext(BaseContext)

ChatContext class that extends BaseContext.

This class is used to represent a chat context that holds a list of messages. It inherits from BaseContext and adds the messages attribute.

Depends

def Depends(x: Any) -> Any

Creates a dependency for injection based on the provided context or type.

Arguments:

• x - The context or dependency to be injected.

Returns:

A FastDepends object that will resolve the dependency for injection.

Field

class Field()

Represents a description field for use in type annotations.

This class is used to store a description for an annotated field, often used for documenting or validating fields in a context or data model.

__init__

def __init__(description: str) -> None

Initializes the Field with a description.

Arguments:

• description - The description text for the field.

inject_params

def inject_params(f: Callable[..., Any]) -> Callable[..., Any]

Injects parameters into a function, removing injected dependencies from its signature.

This function is used to modify a function by injecting dependencies and removing injected parameters from the function’s signature.

Arguments:

• f - The function to modify with dependency injection.

Returns:

The modified function with injected dependencies and updated signature.