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import openai
import tiktoken
from cachetools import cached
import random
from http import HTTPStatus
import dashscope
from app.util.common_util import CommonUtil
global_req_count = 0
# 当前队列
global_req_queue_dict = {}
def get_api_key(platform: str):
import threading
lock = threading.Lock()
global global_req_count
try:
global_req_count = global_req_count + 1
lock.acquire()
platform_key = {
"gpt": [
# cjy chat_gpt 3.5 key
# "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",
# "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",
# "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",
# "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",
# "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",
# "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",
# 目前key均不可用
"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"
],
"qwen": [
# wjc qianwen key
"sk-ea265337fdc644f58822e13947500368"
]
}
key_pool = platform_key.get(platform)
# 加锁轮训获取密匙
index = global_req_count % len(key_pool)
return key_pool[index]
finally:
lock.release()
pass
@cached(cache={})
def check_ip(host: str):
from tcping import Ping
ping = Ping(host=host, timeout=1)
ping.ping(2)
result = ping.result.rows[0]
return result.successed > 0
def num_tokens_from_messages(messages, model="gpt-3.5-turbo"):
"""Returns the number of tokens used by a list of messages."""
encoding = tiktoken.encoding_for_model(model)
if model == "gpt-3.5-turbo":
print("Warning: gpt-3.5-turbo may change over time. Returning num tokens assuming gpt-3.5-turbo-0301.")
return num_tokens_from_messages(messages, model="gpt-3.5-turbo-0301")
elif model == "gpt-4":
print("Warning: gpt-4 may change over time. Returning num tokens assuming gpt-4-0314.")
return num_tokens_from_messages(messages, model="gpt-4-0314")
elif model == "gpt-3.5-turbo-0301":
tokens_per_message = 4 # every message follows <im_start>{role/name}\n{content}<im_end>\n
tokens_per_name = -1 # if there's a name, the role is omitted
elif model == "gpt-4-0314":
tokens_per_message = 3
tokens_per_name = 1
else:
raise NotImplementedError(
f"""
num_tokens_from_messages() is not implemented for model {model}.
See https://github.com/openai/openai-python/blob/main/chatml.md for information on how messages are converted to tokens.""")
num_tokens = 0
for message in messages:
num_tokens += tokens_per_message
for key, value in message.items():
num_tokens += len(encoding.encode(value))
if key == "name":
num_tokens += tokens_per_name
num_tokens += 2 # every reply is primed with <im_start>assistant
return num_tokens
def qwen_num_tokens_from_input(messages, model="qwen-max"):
dashscope.api_key = get_api_key("qwen")
response = dashscope.Tokenization.call(model=model,
messages=messages,
)
if response.status_code == HTTPStatus.OK:
num_tokens = response.usage['input_tokens']
else:
raise NotImplementedError('Failed request_id: %s, status_code: %s, code: %s, message:%s' %
(response.request_id, response.status_code, response.code,
response.message))
return num_tokens
class GptChatSession:
def __init__(self, ):
self.messages = [
# system message first, it helps set the behavior of the assistant
{"role": "system", "content": "You are a research assistant."},
]
def send_msg(self, msg: str):
assert msg is not None, "msg 不能为空！"
assert check_ip("api.openai.com"), "ai网络连接失败，请检查！！"
self.messages.append(
{"role": "user", "content": msg},
)
model = "gpt-3.5-turbo"
num = num_tokens_from_messages(self.messages, model)
# https://platform.openai.com/docs/models/gpt-3-5
max_token_num = 4096
assert num <= max_token_num, "token超过最大长度，无法解析！！"
start = CommonUtil.current_time()
global chatCompletion
# 最大重试次数
try:
openai.api_key = get_api_key("gpt")
chatCompletion = openai.ChatCompletion.create(
model=model,
messages=self.messages
)
except openai.error.OpenAIError as err:
raise Exception(f"chatgpt调用失败，{err}，请重试！！")
pass
end = CommonUtil.current_time()
cost_time = end - start
reply = chatCompletion.choices[0].message.content
cost_token = chatCompletion.usage.total_tokens
self.messages.append({"role": "assistant", "content": reply})
return reply, cost_token, cost_time
# 通义千问消息发送请求
def send_message_qwen(self, msg: str, model="qwen-max"):
assert msg is not None, "msg 不能为空！"
self.messages.append(
{"role": "user", "content": msg},
)
# todo 添加token验证
num = qwen_num_tokens_from_input(messages=self.messages, model=model)
# https://platform.openai.com/docs/models/gpt-3-5
print(f"传入的message的token数量为：{num}")
max_token_num = 6000
assert num <= max_token_num, "token超过最大长度，无法解析！！"
start = CommonUtil.current_time()
global chatCompletion
dashscope.api_key = get_api_key("qwen")
chatCompletion = dashscope.Generation.call(
model=model,
messages=self.messages,
seed=random.randint(1, 10000),
result_format='message'
)
if chatCompletion.status_code == HTTPStatus.OK:
end = CommonUtil.current_time()
cost_time = end - start
reply = chatCompletion.output.choices[0].message.content
cost_token = chatCompletion.usage.total_tokens
print("请求分析结果消耗时间：", cost_time)
self.messages.append({"role": "assistant", "content": reply})
else:
raise Exception(
f"通义千问调用失败，status_code: {chatCompletion.status_code}, code: {chatCompletion.code}, message:{chatCompletion.message}，请重试！！")
pass
self.messages.append({"role": "assistant", "content": reply})
return reply, cost_token, cost_time
def send_message_qwen_stream(self, msg: str, model="qwen-max"):
"""
通义千问消息发送请求
:param msg:
:param model:
:return:
"""
assert msg is not None, "msg 不能为空！"
self.messages.append(
{"role": "user", "content": msg},
)
num = qwen_num_tokens_from_input(messages=self.messages, model=model)
print(f"传入的message的token数量为：{num}")
max_token_num = 6000
assert num <= max_token_num, "token超过最大长度，无法解析！！"
global chatCompletion
dashscope.api_key = get_api_key("qwen")
response_generator = dashscope.Generation.call(
model=model,
messages=self.messages,
seed=random.randint(1, 10000),
result_format='message',
stream=True
)
return response_generator
if __name__ == '__main__':
pass