dify/api/core/helper/moderation.py
2024-09-10 17:00:20 +08:00

48 lines
1.9 KiB
Python

import logging
import random
from core.app.entities.app_invoke_entities import ModelConfigWithCredentialsEntity
from core.model_runtime.errors.invoke import InvokeBadRequestError
from core.model_runtime.model_providers.openai.moderation.moderation import OpenAIModerationModel
from extensions.ext_hosting_provider import hosting_configuration
from models.provider import ProviderType
logger = logging.getLogger(__name__)
def check_moderation(model_config: ModelConfigWithCredentialsEntity, text: str) -> bool:
moderation_config = hosting_configuration.moderation_config
if (
moderation_config
and moderation_config.enabled is True
and "openai" in hosting_configuration.provider_map
and hosting_configuration.provider_map["openai"].enabled is True
):
using_provider_type = model_config.provider_model_bundle.configuration.using_provider_type
provider_name = model_config.provider
if using_provider_type == ProviderType.SYSTEM and provider_name in moderation_config.providers:
hosting_openai_config = hosting_configuration.provider_map["openai"]
# 2000 text per chunk
length = 2000
text_chunks = [text[i : i + length] for i in range(0, len(text), length)]
if len(text_chunks) == 0:
return True
text_chunk = random.choice(text_chunks)
try:
model_type_instance = OpenAIModerationModel()
moderation_result = model_type_instance.invoke(
model="text-moderation-stable", credentials=hosting_openai_config.credentials, text=text_chunk
)
if moderation_result is True:
return True
except Exception as ex:
logger.exception(ex)
raise InvokeBadRequestError("Rate limit exceeded, please try again later.")
return False