138 lines
3.8 KiB
Python
138 lines
3.8 KiB
Python
|
"""
|
||
|
|
API 配置管理模块
|
||
|
|
|
||
|
|
管理各数据库 API 的密钥和配置
|
||
|
|
支持从 YAML 文件和环境变量读取
|
||
|
|
"""
|
||
|
|
|
||
|
|
import os
|
||
|
|
import yaml
|
||
|
|
from pathlib import Path
|
||
|
|
from typing import Dict, Optional, Any
|
||
|
|
from dataclasses import dataclass
|
||
|
|
|
||
|
|
|
||
|
|
@dataclass
|
||
|
|
class APIConfig:
|
||
|
|
"""API 配置数据类"""
|
||
|
|
api_key: Optional[str] = None
|
||
|
|
rate_limit: float = 1.0
|
||
|
|
timeout: int = 30
|
||
|
|
max_retries: int = 3
|
||
|
|
|
||
|
|
|
||
|
|
class ConfigManager:
|
||
|
|
"""
|
||
|
|
API 配置管理器
|
||
|
|
|
||
|
|
管理所有 API 的配置，支持：
|
||
|
|
1. YAML 配置文件
|
||
|
|
2. 环境变量
|
||
|
|
3. 默认值
|
||
|
|
"""
|
||
|
|
|
||
|
|
CONFIG_FILE = Path(__file__).parent.parent / "config" / "api_config.yaml"
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
self._config: Dict[str, Any] = {}
|
||
|
|
self._load_config()
|
||
|
|
|
||
|
|
def _load_config(self):
|
||
|
|
"""加载配置"""
|
||
|
|
# 1. 加载 YAML 配置
|
||
|
|
if self.CONFIG_FILE.exists():
|
||
|
|
with open(self.CONFIG_FILE, 'r') as f:
|
||
|
|
self._config = yaml.safe_load(f) or {}
|
||
|
|
|
||
|
|
# 2. 从环境变量覆盖
|
||
|
|
self._load_from_env()
|
||
|
|
|
||
|
|
def _load_from_env(self):
|
||
|
|
"""从环境变量加载配置"""
|
||
|
|
env_mappings = {
|
||
|
|
'ncbi': {
|
||
|
|
'api_key': 'NCBI_API_KEY',
|
||
|
|
},
|
||
|
|
'phytozome': {
|
||
|
|
'api_key': 'PHYTOZOME_API_KEY',
|
||
|
|
},
|
||
|
|
'tair': {
|
||
|
|
'api_key': 'TAIR_API_KEY',
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for service, mappings in env_mappings.items():
|
||
|
|
if service not in self._config:
|
||
|
|
self._config[service] = {}
|
||
|
|
|
||
|
|
for config_key, env_var in mappings.items():
|
||
|
|
env_value = os.environ.get(env_var)
|
||
|
|
if env_value:
|
||
|
|
self._config[service][config_key] = env_value
|
||
|
|
|
||
|
|
def get_config(self, service: str) -> APIConfig:
|
||
|
|
"""
|
||
|
|
获取指定服务的配置
|
||
|
|
|
||
|
|
Args:
|
||
|
|
service: 服务名称（ncbi, pfam, phytozome 等）
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
APIConfig 对象
|
||
|
|
"""
|
||
|
|
service_config = self._config.get(service, {})
|
||
|
|
settings = self._config.get('settings', {})
|
||
|
|
|
||
|
|
return APIConfig(
|
||
|
|
api_key=service_config.get('api_key'),
|
||
|
|
rate_limit=service_config.get('rate_limit', settings.get('default_rate_limit', 1.0)),
|
||
|
|
timeout=settings.get('request_timeout', 30),
|
||
|
|
max_retries=settings.get('max_retries', 3),
|
||
|
|
)
|
||
|
|
|
||
|
|
def get_endpoint(self, service: str) -> Optional[str]:
|
||
|
|
"""获取服务端点"""
|
||
|
|
endpoints = self._config.get('endpoints', {})
|
||
|
|
return endpoints.get(service)
|
||
|
|
|
||
|
|
def get_setting(self, key: str, default: Any = None) -> Any:
|
||
|
|
"""获取通用设置"""
|
||
|
|
settings = self._config.get('settings', {})
|
||
|
|
return settings.get(key, default)
|
||
|
|
|
||
|
|
def has_api_key(self, service: str) -> bool:
|
||
|
|
"""检查是否有 API key"""
|
||
|
|
config = self.get_config(service)
|
||
|
|
return config.api_key is not None and config.api_key != ""
|
||
|
|
|
||
|
|
|
||
|
|
# 全局配置实例
|
||
|
|
_config_manager: Optional[ConfigManager] = None
|
||
|
|
|
||
|
|
|
||
|
|
def get_config_manager() -> ConfigManager:
|
||
|
|
"""获取全局配置管理器（单例）"""
|
||
|
|
global _config_manager
|
||
|
|
if _config_manager is None:
|
||
|
|
_config_manager = ConfigManager()
|
||
|
|
return _config_manager
|
||
|
|
|
||
|
|
|
||
|
|
def get_api_config(service: str) -> APIConfig:
|
||
|
|
"""快捷函数：获取 API 配置"""
|
||
|
|
return get_config_manager().get_config(service)
|
||
|
|
|
||
|
|
|
||
|
|
# 使用示例
|
||
|
|
if __name__ == "__main__":
|
||
|
|
config = get_config_manager()
|
||
|
|
|
||
|
|
# 获取 NCBI 配置
|
||
|
|
ncbi_config = config.get_config('ncbi')
|
||
|
|
print(f"NCBI API Key: {'已配置' if ncbi_config.api_key else '未配置'}")
|
||
|
|
print(f"Rate Limit: {ncbi_config.rate_limit}s")
|
||
|
|
|
||
|
|
# 获取端点
|
||
|
|
ncbi_endpoint = config.get_endpoint('ncbi')
|
||
|
|
print(f"Endpoint: {ncbi_endpoint}")
|