mirror of
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5c81e01de5
### What problem does this PR solve? Incorrect async chat streamly output. #11677. Disable beartype for #11666. ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue)
430 lines
18 KiB
Python
430 lines
18 KiB
Python
#
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# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import asyncio
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import inspect
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import logging
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import re
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import threading
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from common.token_utils import num_tokens_from_string
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from functools import partial
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from typing import Generator
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from common.constants import LLMType
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from api.db.db_models import LLM
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from api.db.services.common_service import CommonService
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from api.db.services.tenant_llm_service import LLM4Tenant, TenantLLMService
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class LLMService(CommonService):
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model = LLM
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def get_init_tenant_llm(user_id):
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from common import settings
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tenant_llm = []
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model_configs = {
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LLMType.CHAT: settings.CHAT_CFG,
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LLMType.EMBEDDING: settings.EMBEDDING_CFG,
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LLMType.SPEECH2TEXT: settings.ASR_CFG,
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LLMType.IMAGE2TEXT: settings.IMAGE2TEXT_CFG,
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LLMType.RERANK: settings.RERANK_CFG,
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}
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seen = set()
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factory_configs = []
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for factory_config in [
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settings.CHAT_CFG,
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settings.EMBEDDING_CFG,
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settings.ASR_CFG,
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settings.IMAGE2TEXT_CFG,
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settings.RERANK_CFG,
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]:
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factory_name = factory_config["factory"]
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if factory_name not in seen:
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seen.add(factory_name)
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factory_configs.append(factory_config)
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for factory_config in factory_configs:
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for llm in LLMService.query(fid=factory_config["factory"]):
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tenant_llm.append(
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{
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"tenant_id": user_id,
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"llm_factory": factory_config["factory"],
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"llm_name": llm.llm_name,
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"model_type": llm.model_type,
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"api_key": model_configs.get(llm.model_type, {}).get("api_key", factory_config["api_key"]),
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"api_base": model_configs.get(llm.model_type, {}).get("base_url", factory_config["base_url"]),
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"max_tokens": llm.max_tokens if llm.max_tokens else 8192,
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}
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)
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unique = {}
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for item in tenant_llm:
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key = (item["tenant_id"], item["llm_factory"], item["llm_name"])
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if key not in unique:
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unique[key] = item
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return list(unique.values())
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class LLMBundle(LLM4Tenant):
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def __init__(self, tenant_id, llm_type, llm_name=None, lang="Chinese", **kwargs):
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super().__init__(tenant_id, llm_type, llm_name, lang, **kwargs)
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def bind_tools(self, toolcall_session, tools):
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if not self.is_tools:
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logging.warning(f"Model {self.llm_name} does not support tool call, but you have assigned one or more tools to it!")
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return
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self.mdl.bind_tools(toolcall_session, tools)
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def encode(self, texts: list):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="encode", model=self.llm_name, input={"texts": texts})
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safe_texts = []
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for text in texts:
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token_size = num_tokens_from_string(text)
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if token_size > self.max_length:
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target_len = int(self.max_length * 0.95)
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safe_texts.append(text[:target_len])
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else:
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safe_texts.append(text)
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embeddings, used_tokens = self.mdl.encode(safe_texts)
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llm_name = getattr(self, "llm_name", None)
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens, llm_name):
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logging.error("LLMBundle.encode can't update token usage for {}/EMBEDDING used_tokens: {}".format(self.tenant_id, used_tokens))
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if self.langfuse:
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generation.update(usage_details={"total_tokens": used_tokens})
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generation.end()
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return embeddings, used_tokens
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def encode_queries(self, query: str):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="encode_queries", model=self.llm_name, input={"query": query})
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emd, used_tokens = self.mdl.encode_queries(query)
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llm_name = getattr(self, "llm_name", None)
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens, llm_name):
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logging.error("LLMBundle.encode_queries can't update token usage for {}/EMBEDDING used_tokens: {}".format(self.tenant_id, used_tokens))
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if self.langfuse:
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generation.update(usage_details={"total_tokens": used_tokens})
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generation.end()
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return emd, used_tokens
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def similarity(self, query: str, texts: list):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="similarity", model=self.llm_name, input={"query": query, "texts": texts})
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sim, used_tokens = self.mdl.similarity(query, texts)
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens):
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logging.error("LLMBundle.similarity can't update token usage for {}/RERANK used_tokens: {}".format(self.tenant_id, used_tokens))
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if self.langfuse:
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generation.update(usage_details={"total_tokens": used_tokens})
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generation.end()
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return sim, used_tokens
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def describe(self, image, max_tokens=300):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="describe", metadata={"model": self.llm_name})
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txt, used_tokens = self.mdl.describe(image)
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens):
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logging.error("LLMBundle.describe can't update token usage for {}/IMAGE2TEXT used_tokens: {}".format(self.tenant_id, used_tokens))
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if self.langfuse:
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generation.update(output={"output": txt}, usage_details={"total_tokens": used_tokens})
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generation.end()
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return txt
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def describe_with_prompt(self, image, prompt):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="describe_with_prompt", metadata={"model": self.llm_name, "prompt": prompt})
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txt, used_tokens = self.mdl.describe_with_prompt(image, prompt)
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens):
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logging.error("LLMBundle.describe can't update token usage for {}/IMAGE2TEXT used_tokens: {}".format(self.tenant_id, used_tokens))
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if self.langfuse:
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generation.update(output={"output": txt}, usage_details={"total_tokens": used_tokens})
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generation.end()
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return txt
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def transcription(self, audio):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="transcription", metadata={"model": self.llm_name})
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txt, used_tokens = self.mdl.transcription(audio)
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens):
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logging.error("LLMBundle.transcription can't update token usage for {}/SEQUENCE2TXT used_tokens: {}".format(self.tenant_id, used_tokens))
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if self.langfuse:
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generation.update(output={"output": txt}, usage_details={"total_tokens": used_tokens})
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generation.end()
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return txt
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def stream_transcription(self, audio):
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mdl = self.mdl
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supports_stream = hasattr(mdl, "stream_transcription") and callable(getattr(mdl, "stream_transcription"))
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if supports_stream:
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if self.langfuse:
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generation = self.langfuse.start_generation(
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trace_context=self.trace_context,
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name="stream_transcription",
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metadata={"model": self.llm_name}
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)
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final_text = ""
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used_tokens = 0
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try:
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for evt in mdl.stream_transcription(audio):
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if evt.get("event") == "final":
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final_text = evt.get("text", "")
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yield evt
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except Exception as e:
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err = {"event": "error", "text": str(e)}
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yield err
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final_text = final_text or ""
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finally:
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if final_text:
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used_tokens = num_tokens_from_string(final_text)
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TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens)
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if self.langfuse:
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generation.update(
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output={"output": final_text},
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usage_details={"total_tokens": used_tokens}
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)
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generation.end()
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return
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="stream_transcription", metadata={"model": self.llm_name})
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full_text, used_tokens = mdl.transcription(audio)
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if not TenantLLMService.increase_usage(
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self.tenant_id, self.llm_type, used_tokens
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):
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logging.error(
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f"LLMBundle.stream_transcription can't update token usage for {self.tenant_id}/SEQUENCE2TXT used_tokens: {used_tokens}"
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)
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if self.langfuse:
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generation.update(
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output={"output": full_text},
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usage_details={"total_tokens": used_tokens}
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)
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generation.end()
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yield {
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"event": "final",
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"text": full_text,
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"streaming": False
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}
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def tts(self, text: str) -> Generator[bytes, None, None]:
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="tts", input={"text": text})
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for chunk in self.mdl.tts(text):
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if isinstance(chunk, int):
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, chunk, self.llm_name):
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logging.error("LLMBundle.tts can't update token usage for {}/TTS".format(self.tenant_id))
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return
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yield chunk
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if self.langfuse:
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generation.end()
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def _remove_reasoning_content(self, txt: str) -> str:
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first_think_start = txt.find("<think>")
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if first_think_start == -1:
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return txt
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last_think_end = txt.rfind("</think>")
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if last_think_end == -1:
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return txt
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if last_think_end < first_think_start:
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return txt
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return txt[last_think_end + len("</think>") :]
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@staticmethod
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def _clean_param(chat_partial, **kwargs):
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func = chat_partial.func
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sig = inspect.signature(func)
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support_var_args = False
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allowed_params = set()
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for param in sig.parameters.values():
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if param.kind == inspect.Parameter.VAR_KEYWORD:
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support_var_args = True
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elif param.kind in (inspect.Parameter.POSITIONAL_OR_KEYWORD, inspect.Parameter.KEYWORD_ONLY):
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allowed_params.add(param.name)
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if support_var_args:
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return kwargs
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else:
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return {k: v for k, v in kwargs.items() if k in allowed_params}
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def chat(self, system: str, history: list, gen_conf: dict = {}, **kwargs) -> str:
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="chat", model=self.llm_name, input={"system": system, "history": history})
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chat_partial = partial(self.mdl.chat, system, history, gen_conf, **kwargs)
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if self.is_tools and self.mdl.is_tools:
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chat_partial = partial(self.mdl.chat_with_tools, system, history, gen_conf, **kwargs)
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use_kwargs = self._clean_param(chat_partial, **kwargs)
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txt, used_tokens = chat_partial(**use_kwargs)
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txt = self._remove_reasoning_content(txt)
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if not self.verbose_tool_use:
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txt = re.sub(r"<tool_call>.*?</tool_call>", "", txt, flags=re.DOTALL)
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if used_tokens and not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens, self.llm_name):
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logging.error("LLMBundle.chat can't update token usage for {}/CHAT llm_name: {}, used_tokens: {}".format(self.tenant_id, self.llm_name, used_tokens))
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if self.langfuse:
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generation.update(output={"output": txt}, usage_details={"total_tokens": used_tokens})
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generation.end()
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return txt
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def chat_streamly(self, system: str, history: list, gen_conf: dict = {}, **kwargs):
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if self.langfuse:
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generation = self.langfuse.start_generation(trace_context=self.trace_context, name="chat_streamly", model=self.llm_name, input={"system": system, "history": history})
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ans = ""
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chat_partial = partial(self.mdl.chat_streamly, system, history, gen_conf)
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total_tokens = 0
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if self.is_tools and self.mdl.is_tools:
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chat_partial = partial(self.mdl.chat_streamly_with_tools, system, history, gen_conf)
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use_kwargs = self._clean_param(chat_partial, **kwargs)
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for txt in chat_partial(**use_kwargs):
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if isinstance(txt, int):
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total_tokens = txt
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if self.langfuse:
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generation.update(output={"output": ans})
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generation.end()
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break
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if txt.endswith("</think>"):
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ans = ans[: -len("</think>")]
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if not self.verbose_tool_use:
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txt = re.sub(r"<tool_call>.*?</tool_call>", "", txt, flags=re.DOTALL)
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ans += txt
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yield ans
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if total_tokens > 0:
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if not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, total_tokens, self.llm_name):
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logging.error("LLMBundle.chat_streamly can't update token usage for {}/CHAT llm_name: {}, used_tokens: {}".format(self.tenant_id, self.llm_name, total_tokens))
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def _bridge_sync_stream(self, gen):
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loop = asyncio.get_running_loop()
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queue: asyncio.Queue = asyncio.Queue()
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def worker():
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try:
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for item in gen:
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loop.call_soon_threadsafe(queue.put_nowait, item)
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except Exception as e: # pragma: no cover
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loop.call_soon_threadsafe(queue.put_nowait, e)
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finally:
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loop.call_soon_threadsafe(queue.put_nowait, StopAsyncIteration)
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threading.Thread(target=worker, daemon=True).start()
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return queue
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async def async_chat(self, system: str, history: list, gen_conf: dict = {}, **kwargs):
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chat_partial = partial(self.mdl.chat, system, history, gen_conf, **kwargs)
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if self.is_tools and self.mdl.is_tools and hasattr(self.mdl, "chat_with_tools"):
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chat_partial = partial(self.mdl.chat_with_tools, system, history, gen_conf, **kwargs)
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use_kwargs = self._clean_param(chat_partial, **kwargs)
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if hasattr(self.mdl, "async_chat_with_tools") and self.is_tools and self.mdl.is_tools:
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txt, used_tokens = await self.mdl.async_chat_with_tools(system, history, gen_conf, **use_kwargs)
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elif hasattr(self.mdl, "async_chat"):
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txt, used_tokens = await self.mdl.async_chat(system, history, gen_conf, **use_kwargs)
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else:
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txt, used_tokens = await asyncio.to_thread(chat_partial, **use_kwargs)
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txt = self._remove_reasoning_content(txt)
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if not self.verbose_tool_use:
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txt = re.sub(r"<tool_call>.*?</tool_call>", "", txt, flags=re.DOTALL)
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if used_tokens and not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, used_tokens, self.llm_name):
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logging.error("LLMBundle.async_chat can't update token usage for {}/CHAT llm_name: {}, used_tokens: {}".format(self.tenant_id, self.llm_name, used_tokens))
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return txt
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async def async_chat_streamly(self, system: str, history: list, gen_conf: dict = {}, **kwargs):
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total_tokens = 0
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ans = ""
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if self.is_tools and self.mdl.is_tools:
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stream_fn = getattr(self.mdl, "async_chat_streamly_with_tools", None)
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else:
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stream_fn = getattr(self.mdl, "async_chat_streamly", None)
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if stream_fn:
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chat_partial = partial(stream_fn, system, history, gen_conf)
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use_kwargs = self._clean_param(chat_partial, **kwargs)
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async for txt in chat_partial(**use_kwargs):
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if isinstance(txt, int):
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total_tokens = txt
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break
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if txt.endswith("</think>"):
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ans = ans[: -len("</think>")]
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if not self.verbose_tool_use:
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txt = re.sub(r"<tool_call>.*?</tool_call>", "", txt, flags=re.DOTALL)
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ans += txt
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yield ans
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if total_tokens and not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, total_tokens, self.llm_name):
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logging.error("LLMBundle.async_chat_streamly can't update token usage for {}/CHAT llm_name: {}, used_tokens: {}".format(self.tenant_id, self.llm_name, total_tokens))
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return
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chat_partial = partial(self.mdl.chat_streamly_with_tools if (self.is_tools and self.mdl.is_tools) else self.mdl.chat_streamly, system, history, gen_conf)
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use_kwargs = self._clean_param(chat_partial, **kwargs)
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queue = self._bridge_sync_stream(chat_partial(**use_kwargs))
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while True:
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item = await queue.get()
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if item is StopAsyncIteration:
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break
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if isinstance(item, Exception):
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raise item
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if isinstance(item, int):
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total_tokens = item
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break
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yield item
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if total_tokens and not TenantLLMService.increase_usage(self.tenant_id, self.llm_type, total_tokens, self.llm_name):
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logging.error("LLMBundle.async_chat_streamly can't update token usage for {}/CHAT llm_name: {}, used_tokens: {}".format(self.tenant_id, self.llm_name, total_tokens))
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