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93 lines
3.4 KiB
Python
93 lines
3.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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提供配置，单例
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"""
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import os
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import yaml
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from metagpt.const import PROJECT_ROOT
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from metagpt.logs import logger
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from metagpt.tools import SearchEngineType
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from metagpt.utils.singleton import Singleton
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class NotConfiguredException(Exception):
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"""Exception raised for errors in the configuration.
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Attributes:
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message -- explanation of the error
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"""
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def __init__(self, message="The required configuration is not set"):
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self.message = message
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super().__init__(self.message)
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class Config(metaclass=Singleton):
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"""
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常规使用方法：
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config = Config("config.yaml")
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secret_key = config.get_key("MY_SECRET_KEY")
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print("Secret key:", secret_key)
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"""
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_instance = None
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key_yaml_file = PROJECT_ROOT / 'config/key.yaml'
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default_yaml_file = PROJECT_ROOT / 'config/config.yaml'
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def __init__(self, yaml_file=default_yaml_file):
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self._configs = {}
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self._init_with_config_files_and_env(self._configs, yaml_file)
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logger.info('Config loading done.')
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self.openai_api_key = self._get('OPENAI_API_KEY')
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if not self.openai_api_key or 'YOUR_API_KEY' == self.openai_api_key:
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raise NotConfiguredException("Set OPENAI_API_KEY first")
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self.openai_api_base = self._get('OPENAI_API_BASE')
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if not self.openai_api_base or 'YOUR_API_BASE' == self.openai_api_base:
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logger.info("Set OPENAI_API_BASE in case of network issues")
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self.openai_api_type = self._get('OPENAI_API_TYPE')
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self.openai_api_version = self._get('OPENAI_API_VERSION')
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self.openai_api_rpm = self._get('RPM', 3)
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self.openai_api_model = self._get('OPENAI_API_MODEL', "gpt-4")
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self.max_tokens_rsp = self._get('MAX_TOKENS', 2048)
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self.deployment_id = self._get('DEPLOYMENT_ID')
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self.claude_api_key = self._get('Anthropic_API_KEY')
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self.serpapi_api_key = self._get('SERPAPI_API_KEY')
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self.serper_api_key = self._get('SERPER_API_KEY')
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self.google_api_key = self._get('GOOGLE_API_KEY')
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self.google_cse_id = self._get('GOOGLE_CSE_ID')
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self.search_engine = self._get('SEARCH_ENGINE', SearchEngineType.SERPAPI_GOOGLE)
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self.max_budget = self._get('MAX_BUDGET', 10.0)
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self.total_cost = 0.0
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def _init_with_config_files_and_env(self, configs: dict, yaml_file):
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"""从config/key.yaml / config/config.yaml / env三处按优先级递减加载"""
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configs.update(os.environ)
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for _yaml_file in [yaml_file, self.key_yaml_file]:
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if not _yaml_file.exists():
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continue
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# 加载本地 YAML 文件
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with open(_yaml_file, 'r', encoding="utf-8") as file:
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yaml_data = yaml.safe_load(file)
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if not yaml_data:
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continue
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os.environ.update({k: v for k, v in yaml_data.items() if isinstance(v, str)})
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configs.update(yaml_data)
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def _get(self, *args, **kwargs):
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return self._configs.get(*args, **kwargs)
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def get(self, key, *args, **kwargs):
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"""从config/key.yaml / config/config.yaml / env三处找值，找不到报错"""
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value = self._get(key, *args, **kwargs)
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if value is None:
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raise ValueError(f"Key '{key}' not found in environment variables or in the YAML file")
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return value
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CONFIG = Config()
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