Files
LangBot/pkg/openai/keymgr.py
T
2023-12-21 16:28:45 +08:00

111 lines
2.9 KiB
Python

# 此模块提供了维护api-key的各种功能
import hashlib
import logging
from ..plugin import host as plugin_host
from ..plugin import models as plugin_models
class KeysManager:
api_key = {}
"""所有api-key"""
using_key = ""
"""当前使用的api-key"""
alerted = []
"""已提示过超额的key
记录在此以避免重复提示
"""
exceeded = []
"""已超额的key
供自动切换功能识别
"""
def get_using_key(self):
return self.using_key
def get_using_key_md5(self):
return hashlib.md5(self.using_key.encode('utf-8')).hexdigest()
def __init__(self, api_key):
if type(api_key) is dict:
self.api_key = api_key
elif type(api_key) is str:
self.api_key = {
"default": api_key
}
elif type(api_key) is list:
for i in range(len(api_key)):
self.api_key[str(i)] = api_key[i]
# 从usage中删除未加载的api-key的记录
# 不删了,也许会运行时添加曾经有记录的api-key
self.auto_switch()
def auto_switch(self) -> tuple[bool, str]:
"""尝试切换api-key
Returns:
是否切换成功, 切换后的api-key的别名
"""
index = 0
for key_name in self.api_key:
if self.api_key[key_name] == self.using_key:
break
index += 1
# 从当前key开始向后轮询
start_index = index
index += 1
if index >= len(self.api_key):
index = 0
while index != start_index:
key_name = list(self.api_key.keys())[index]
if self.api_key[key_name] not in self.exceeded:
self.using_key = self.api_key[key_name]
logging.debug("使用api-key:" + key_name)
# 触发插件事件
args = {
"key_name": key_name,
"key_list": self.api_key.keys()
}
_ = plugin_host.emit(plugin_models.KeySwitched, **args)
return True, key_name
index += 1
if index >= len(self.api_key):
index = 0
self.using_key = list(self.api_key.values())[start_index]
logging.debug("使用api-key:" + list(self.api_key.keys())[start_index])
return False, list(self.api_key.keys())[start_index]
def add(self, key_name, key):
self.api_key[key_name] = key
def set_current_exceeded(self):
"""设置当前使用的api-key使用量超限"""
self.exceeded.append(self.using_key)
def get_key_name(self, api_key):
"""根据api-key获取其别名"""
for key_name in self.api_key:
if self.api_key[key_name] == api_key:
return key_name
return ""