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https://github.com/snailyp/gemini-balance.git
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- 在Dockerfile中添加默认环境变量配置 - 新增静态资源URL版本化管理功能 - 更新所有模板文件使用static_url函数替代硬编码路径 - 优化错误日志页面移动端按钮布局和响应式设计 - 简化异常处理器返回格式 BREAKING CHANGE: 静态资源URL格式变更,需要重新部署以确保资源正确加载
128 lines
3.6 KiB
Python
128 lines
3.6 KiB
Python
"""
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静态资源版本控制工具
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用于给CSS和JS文件添加版本参数,避免浏览器缓存问题
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"""
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import hashlib
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import time
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from functools import lru_cache
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from pathlib import Path
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from typing import Dict
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from app.utils.helpers import get_current_version
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class StaticVersionManager:
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"""静态资源版本管理器"""
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def __init__(self, static_dir: str = "app/static"):
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self.static_dir = Path(static_dir)
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self._version_cache: Dict[str, str] = {}
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self._use_file_hash = True # 是否使用文件哈希作为版本号
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def get_version_for_file(self, file_path: str) -> str:
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"""
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获取文件的版本号
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Args:
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file_path: 相对于static目录的文件路径,如 'css/fonts.css'
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Returns:
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版本号字符串
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"""
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if self._use_file_hash:
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return self._get_file_hash_version(file_path)
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else:
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return self._get_app_version()
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def _get_file_hash_version(self, file_path: str) -> str:
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"""基于文件内容生成哈希版本号"""
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# 如果已经缓存过,直接返回
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if file_path in self._version_cache:
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return self._version_cache[file_path]
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full_path = self.static_dir / file_path
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if not full_path.exists():
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# 文件不存在,使用应用版本号作为fallback
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version = self._get_app_version()
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else:
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try:
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# 读取文件内容并计算MD5哈希
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with open(full_path, "rb") as f:
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content = f.read()
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hash_object = hashlib.md5(content)
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version = hash_object.hexdigest()[:8] # 取前8位
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except Exception:
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# 读取失败,使用应用版本号作为fallback
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version = self._get_app_version()
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# 缓存结果
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self._version_cache[file_path] = version
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return version
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def _get_app_version(self) -> str:
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"""获取应用程序版本号"""
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try:
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return get_current_version().replace(".", "")
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except Exception:
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# 如果获取版本失败,使用时间戳
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return str(int(time.time()))
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def get_versioned_url(self, file_path: str) -> str:
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"""
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获取带版本参数的URL
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Args:
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file_path: 相对于static目录的文件路径
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Returns:
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带版本参数的URL
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"""
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version = self.get_version_for_file(file_path)
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return f"/static/{file_path}?v={version}"
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def clear_cache(self):
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"""清空版本缓存"""
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self._version_cache.clear()
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# 全局实例
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_static_version_manager = StaticVersionManager()
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def get_static_url(file_path: str) -> str:
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"""
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获取静态资源的版本化URL
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Args:
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file_path: 相对于static目录的文件路径
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Returns:
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带版本参数的完整URL
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Example:
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get_static_url('css/fonts.css') -> '/static/css/fonts.css?v=a1b2c3d4'
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get_static_url('js/config_editor.js') -> '/static/js/config_editor.js?v=e5f6g7h8'
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"""
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return _static_version_manager.get_versioned_url(file_path)
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def clear_static_cache():
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"""清空静态资源版本缓存"""
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_static_version_manager.clear_cache()
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@lru_cache(maxsize=128)
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def get_cached_static_url(file_path: str) -> str:
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"""
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获取缓存的静态资源URL(用于开发环境)
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Args:
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file_path: 相对于static目录的文件路径
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Returns:
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带版本参数的完整URL
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"""
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return get_static_url(file_path)
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