ai初期模板
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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配置初始化模块
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功能：
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1. 自动生成默认配置文件
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2. 多环境配置支持（dev/test/prod）
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3. 敏感信息加密存储
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4. 配置完整性检查与修复
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"""
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import os
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import json
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import platform
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from pathlib import Path
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from typing import Dict, Any, Optional
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import logging
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from cryptography.fernet import Fernet
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import hashlib
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# 初始化日志
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger('config_init')
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class ConfigInitializer:
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"""配置初始化工具类"""
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def __init__(self, app_name: str = "intelligence_system"):
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self.system = platform.system().lower()
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self.app_name = app_name
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self.config_dir = self._get_config_dir()
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self.config_file = self.config_dir / "config.json"
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self.secret_key_file = self.config_dir / ".secret.key"
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self._fernet = None
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# 确保配置目录存在
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self.config_dir.mkdir(parents=True, exist_ok=True)
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# 设置文件权限（非Windows）
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if self.system != 'windows':
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os.chmod(self.config_dir, 0o700)
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def _get_config_dir(self) -> Path:
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"""获取适合当前平台的配置目录路径"""
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if self.system == 'windows':
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return Path(os.environ['APPDATA']) / self.app_name
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elif self.system == 'darwin': # macOS
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return Path.home() / "Library" / "Application Support" / self.app_name
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else: # Linux及其他Unix-like
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xdg_config = os.getenv('XDG_CONFIG_HOME', '~/.config')
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return Path(xdg_config).expanduser() / self.app_name
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def _init_encryption(self):
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"""初始化加密模块"""
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if not self.secret_key_file.exists():
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self.secret_key_file.write_bytes(Fernet.generate_key())
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if self.system != 'windows':
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self.secret_key_file.chmod(0o600) # 仅用户可读写
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self._fernet = Fernet(self.secret_key_file.read_bytes())
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def encrypt_value(self, plaintext: str) -> str:
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"""加密敏感信息"""
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if not self._fernet:
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self._init_encryption()
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return self._fernet.encrypt(plaintext.encode()).decode()
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def decrypt_value(self, ciphertext: str) -> str:
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"""解密信息"""
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if not self._fernet:
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self._init_encryption()
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return self._fernet.decrypt(ciphertext.encode()).decode()
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def _get_default_config(self) -> Dict[str, Any]:
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"""获取默认配置模板"""
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return {
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"system": {
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"env": "dev", # dev/test/prod
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"log_level": "INFO",
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"max_threads": max(1, os.cpu_count() or 4),
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"data_dir": str(self.config_dir / "data")
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},
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"api": {
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"newsapi": {
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"endpoint": "https://newsapi.org/v2",
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"key": "" # 需加密存储
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},
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"weibo": {
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"version": "2",
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"access_token": "" # 需加密存储
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}
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},
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"database": {
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"type": "sqlite",
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"path": str(self.config_dir / "data.db")
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},
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"network": {
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"timeout": 30,
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"retries": 3,
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"proxy": "" # 示例: http://user:pass@proxy:port
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}
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}
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def _migrate_old_config(self, config: Dict[str, Any]) -> Dict[str, Any]:
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"""旧配置迁移（兼容性处理）"""
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# 示例：将旧版api_key迁移到新版结构
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if 'api_key' in config:
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config.setdefault('api', {})['newsapi'] = {
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'key': config.pop('api_key')
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}
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return config
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def _validate_config(self, config: Dict[str, Any]) -> bool:
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"""验证配置完整性"""
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required_keys = {
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"system": ["env", "log_level"],
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"api/newsapi": ["endpoint"]
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}
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for path, keys in required_keys.items():
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current = config
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for part in path.split('/'):
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current = current.get(part, {})
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if not isinstance(current, dict):
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return False
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for key in keys:
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if key not in current:
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return False
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return True
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def _repair_config(self, config: Dict[str, Any]) -> Dict[str, Any]:
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"""自动修复缺失的配置项"""
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default_config = self._get_default_config()
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def _merge(current, default):
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for key, value in default.items():
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if key not in current:
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current[key] = value
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elif isinstance(value, dict):
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_merge(current[key], value)
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return current
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return _merge(config, default_config)
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def init_config(self, force: bool = False) -> bool:
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"""
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初始化配置文件
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参数：
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force: 是否强制重新生成配置
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返回：
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bool: 是否创建了新配置
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"""
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config = None
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# 已有配置文件且不强制重置
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if self.config_file.exists() and not force:
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try:
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with open(self.config_file, 'r', encoding='utf-8') as f:
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config = json.load(f)
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# 配置迁移和修复
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config = self._migrate_old_config(config)
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if not self._validate_config(config):
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config = self._repair_config(config)
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logger.warning("自动修复不完整的配置文件")
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except Exception as e:
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logger.error(f"加载现有配置失败: {str(e)}")
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config = None
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# 需要创建新配置
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if config is None:
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config = self._get_default_config()
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logger.info("创建新的配置文件")
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# 加密敏感字段
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self._init_encryption()
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for field in [
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"api/newsapi/key",
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"api/weibo/access_token",
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"network/proxy"
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]:
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parts = field.split('/')
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current = config
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for part in parts[:-1]:
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current = current.setdefault(part, {})
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if parts[-1] in current and current[parts[-1]]:
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current[parts[-1]] = self.encrypt_value(current[parts[-1]])
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# 保存配置
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with open(self.config_file, 'w', encoding='utf-8') as f:
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json.dump(config, f, indent=2, ensure_ascii=False)
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# 设置文件权限（非Windows）
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if self.system != 'windows':
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os.chmod(self.config_file, 0o600)
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return True
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def get_config_hash(self) -> str:
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"""获取配置文件哈希值（用于检测变更）"""
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if not self.config_file.exists():
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return ""
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with open(self.config_file, 'rb') as f:
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return hashlib.sha256(f.read()).hexdigest()
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def create_env_specific_config(self, env: str = None) -> bool:
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"""
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创建环境特定配置
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参数：
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env: 环境类型（dev/test/prod）
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"""
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if not self.config_file.exists():
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self.init_config()
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with open(self.config_file, 'r', encoding='utf-8') as f:
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base_config = json.load(f)
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env = env or base_config['system']['env']
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env_config = {
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f"env_{env}": {
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"api": {
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"newsapi": {"endpoint": self._get_env_endpoint(env)}
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},
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"database": {
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"path": str(self.config_dir / f"data_{env}.db")
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}
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}
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}
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env_file = self.config_dir / f"config.{env}.json"
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with open(env_file, 'w', encoding='utf-8') as f:
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json.dump(env_config, f, indent=2)
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return True
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def _get_env_endpoint(self, env: str) -> str:
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"""获取环境特定的API端点"""
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endpoints = {
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"dev": "http://dev-api.example.com",
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"test": "https://test-api.example.com",
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"prod": "https://api.example.com"
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}
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return endpoints.get(env, endpoints['dev'])
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# 快捷初始化函数
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def init_app_config(app_name: str = None, force: bool = False) -> bool:
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"""
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快速初始化应用配置
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参数：
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app_name: 应用名称
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force: 是否强制重新初始化
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"""
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return ConfigInitializer(app_name).init_config(force)
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# 测试代码
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if __name__ == "__main__":
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# 初始化配置
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initializer = ConfigInitializer()
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if initializer.init_config():
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print("配置文件已生成:", initializer.config_file)
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# 创建环境配置示例
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initializer.create_env_specific_config("prod")
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print("生产环境配置已生成")
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# 加密演示
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encrypted = initializer.encrypt_value("my_secret_key")
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print("加密示例:", encrypted)
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print("解密测试:", initializer.decrypt_value(encrypted))
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