99 lines
4.1 KiB
Python
99 lines
4.1 KiB
Python
from typing import TYPE_CHECKING, List, Optional
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from fastapi import APIRouter, Body, Depends, Header, HTTPException, Query
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from letta.orm.errors import NoResultFound
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from letta.schemas.agent import AgentState
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from letta.schemas.block import Block, BlockUpdate, CreateBlock
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from letta.server.rest_api.utils import get_letta_server
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from letta.server.server import SyncServer
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if TYPE_CHECKING:
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pass
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router = APIRouter(prefix="/blocks", tags=["blocks"])
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@router.get("/", response_model=List[Block], operation_id="list_blocks")
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def list_blocks(
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# query parameters
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label: Optional[str] = Query(None, description="Labels to include (e.g. human, persona)"),
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templates_only: bool = Query(True, description="Whether to include only templates"),
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name: Optional[str] = Query(None, description="Name of the block"),
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identity_id: Optional[str] = Query(None, description="Search agents by identifier id"),
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identifier_keys: Optional[List[str]] = Query(None, description="Search agents by identifier keys"),
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server: SyncServer = Depends(get_letta_server),
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actor_id: Optional[str] = Header(None, alias="user_id"), # Extract user_id from header, default to None if not present
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):
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actor = server.user_manager.get_user_or_default(user_id=actor_id)
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return server.block_manager.get_blocks(
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actor=actor, label=label, is_template=templates_only, template_name=name, identity_id=identity_id, identifier_keys=identifier_keys
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)
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@router.post("/", response_model=Block, operation_id="create_block")
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def create_block(
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create_block: CreateBlock = Body(...),
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server: SyncServer = Depends(get_letta_server),
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actor_id: Optional[str] = Header(None, alias="user_id"), # Extract user_id from header, default to None if not present
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):
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actor = server.user_manager.get_user_or_default(user_id=actor_id)
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block = Block(**create_block.model_dump())
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return server.block_manager.create_or_update_block(actor=actor, block=block)
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@router.patch("/{block_id}", response_model=Block, operation_id="modify_block")
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def modify_block(
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block_id: str,
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block_update: BlockUpdate = Body(...),
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server: SyncServer = Depends(get_letta_server),
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actor_id: Optional[str] = Header(None, alias="user_id"),
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):
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actor = server.user_manager.get_user_or_default(user_id=actor_id)
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return server.block_manager.update_block(block_id=block_id, block_update=block_update, actor=actor)
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@router.delete("/{block_id}", response_model=Block, operation_id="delete_block")
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def delete_block(
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block_id: str,
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server: SyncServer = Depends(get_letta_server),
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actor_id: Optional[str] = Header(None, alias="user_id"),
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):
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actor = server.user_manager.get_user_or_default(user_id=actor_id)
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return server.block_manager.delete_block(block_id=block_id, actor=actor)
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@router.get("/{block_id}", response_model=Block, operation_id="retrieve_block")
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def retrieve_block(
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block_id: str,
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server: SyncServer = Depends(get_letta_server),
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actor_id: Optional[str] = Header(None, alias="user_id"),
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):
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print("call get block", block_id)
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actor = server.user_manager.get_user_or_default(user_id=actor_id)
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try:
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block = server.block_manager.get_block_by_id(block_id=block_id, actor=actor)
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if block is None:
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raise HTTPException(status_code=404, detail="Block not found")
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return block
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except NoResultFound:
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raise HTTPException(status_code=404, detail="Block not found")
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@router.get("/{block_id}/agents", response_model=List[AgentState], operation_id="list_agents_for_block")
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def list_agents_for_block(
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block_id: str,
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server: SyncServer = Depends(get_letta_server),
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actor_id: Optional[str] = Header(None, alias="user_id"),
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):
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"""
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Retrieves all agents associated with the specified block.
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Raises a 404 if the block does not exist.
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"""
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actor = server.user_manager.get_user_or_default(user_id=actor_id)
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try:
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agents = server.block_manager.get_agents_for_block(block_id=block_id, actor=actor)
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return agents
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except NoResultFound:
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raise HTTPException(status_code=404, detail=f"Block with id={block_id} not found")
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