jyapayne/langflow
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Refactor loading.py: Import modules and handle

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retriever in instantiate_custom_component()
This commit is contained in:
Gabriel Luiz Freitas Almeida 2023-12-11 19:11:34 -03:00
commit 55d10b35b1
1 changed files with 6 additions and 2 deletions
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src/backend/langflow/interface/initialize/loading.py
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@ -11,6 +11,9 @@ from langchain.chains.base import Chain
from langchain.document_loaders.base import BaseLoader from langchain.document_loaders.base import BaseLoader
from langchain.schema import Document from langchain.schema import Document
from langchain.vectorstores.base import VectorStore from langchain.vectorstores.base import VectorStore
from loguru import logger
from pydantic import ValidationError
from langflow.interface.custom_lists import CUSTOM_NODES from langflow.interface.custom_lists import CUSTOM_NODES
from langflow.interface.importing.utils import eval_custom_component_code, get_function, import_by_type from langflow.interface.importing.utils import eval_custom_component_code, get_function, import_by_type
from langflow.interface.initialize.llm import initialize_vertexai from langflow.interface.initialize.llm import initialize_vertexai
@ -22,8 +25,6 @@ from langflow.interface.toolkits.base import toolkits_creator
from langflow.interface.utils import load_file_into_dict from langflow.interface.utils import load_file_into_dict
from langflow.interface.wrappers.base import wrapper_creator from langflow.interface.wrappers.base import wrapper_creator
from langflow.utils import validate from langflow.utils import validate
from loguru import logger
from pydantic import ValidationError
if TYPE_CHECKING: if TYPE_CHECKING:
from langflow import CustomComponent from langflow import CustomComponent
@ -121,6 +122,9 @@ async def instantiate_custom_component(node_type, class_object, params, user_id)
class_object: "CustomComponent" = eval_custom_component_code(params_copy.pop("code")) class_object: "CustomComponent" = eval_custom_component_code(params_copy.pop("code"))
custom_component = class_object(user_id=user_id) custom_component = class_object(user_id=user_id)
if "retriever" in params_copy and hasattr(params_copy["retriever"], "as_retriever"):
params_copy["retriever"] = params_copy["retriever"].as_retriever()
# Determine if the build method is asynchronous # Determine if the build method is asynchronous
is_async = inspect.iscoroutinefunction(custom_component.build) is_async = inspect.iscoroutinefunction(custom_component.build)