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删除特定目录下的缓存文件
import os
import shutil
from pathlib import Path
def delete_cache_files(directory, patterns=None):
"""
批量删除缓存文件
:param directory: 目标目录
:param patterns: 要删除的文件模式列表，如 ['*.pyc', '__pycache__']
"""
if patterns is None:
patterns = ['*.pyc', '*.pyo', '__pycache__', '.DS_Store', 'Thumbs.db']
deleted_count = 0
for pattern in patterns:
if '*' in pattern:
# 删除匹配的文件模式
for file_path in Path(directory).rglob(pattern):
try:
if file_path.is_file():
file_path.unlink()
print(f"删除文件: {file_path}")
deleted_count += 1
except Exception as e:
print(f"删除失败 {file_path}: {e}")
else:
# 删除特定目录名
for dir_path in Path(directory).rglob(pattern):
try:
if dir_path.is_dir():
shutil.rmtree(dir_path)
print(f"删除目录: {dir_path}")
deleted_count += 1
except Exception as e:
print(f"删除失败 {dir_path}: {e}")
print(f"共删除 {deleted_count} 个缓存对象")
return deleted_count
# 使用示例
delete_cache_files("./project")
删除浏览器缓存
import os
import glob
import shutil
def delete_browser_cache(browser_type='all'):
"""
删除浏览器缓存
:param browser_type: 'chrome', 'firefox', 'edge', 'all'
"""
# 获取用户主目录
home = os.path.expanduser("~")
browsers = {
'chrome': {
'windows': os.path.join(os.getenv('LOCALAPPDATA'), 'Google', 'Chrome', 'User Data', 'Default', 'Cache'),
'mac': os.path.join(home, 'Library', 'Caches', 'Google', 'Chrome'),
'linux': os.path.join(home, '.cache', 'google-chrome')
},
'firefox': {
'windows': os.path.join(os.getenv('APPDATA'), 'Mozilla', 'Firefox', 'Profiles'),
'mac': os.path.join(home, 'Library', 'Caches', 'Firefox'),
'linux': os.path.join(home, '.cache', 'mozilla', 'firefox')
},
'edge': {
'windows': os.path.join(os.getenv('LOCALAPPDATA'), 'Microsoft', 'Edge', 'User Data', 'Default', 'Cache'),
'mac': os.path.join(home, 'Library', 'Caches', 'Microsoft Edge'),
}
}
# 检测操作系统
import platform
system = platform.system().lower()
if system == 'darwin':
os_name = 'mac'
elif system == 'windows':
os_name = 'windows'
else:
os_name = 'linux'
if browser_type == 'all':
types = browsers.keys()
else:
types = [browser_type]
total_deleted = 0
for browser_name in types:
if browser_name in browsers and os_name in browsers[browser_name]:
cache_path = browsers[browser_name][os_name]
if os.path.exists(cache_path):
try:
if os_name == 'linux' and browser_name == 'firefox':
# Firefox 在 Linux 上使用配置文件路径
for profile in os.listdir(cache_path):
profile_cache = os.path.join(cache_path, profile, 'cache2')
if os.path.exists(profile_cache):
shutil.rmtree(profile_cache)
print(f"删除 {browser_name} 缓存: {profile_cache}")
total_deleted += 1
else:
for item in os.listdir(cache_path):
item_path = os.path.join(cache_path, item)
if os.path.isfile(item_path):
os.remove(item_path)
else:
shutil.rmtree(item_path)
total_deleted += 1
print(f"清空 {browser_name} 缓存目录")
except Exception as e:
print(f"删除 {browser_name} 缓存失败: {e}")
else:
print(f"未找到 {browser_name} 缓存目录: {cache_path}")
return total_deleted
# 使用示例
# delete_browser_cache('chrome')
# delete_browser_cache('all')
删除系统临时文件
import tempfile
import shutil
import os
from pathlib import Path
def cleanup_temp_files(days_old=7):
"""
清理系统临时文件
:param days_old: 删除多少天前的临时文件
"""
import time
now = time.time()
cutoff = now - (days_old * 86400) # 转换为秒
temp_dirs = [
tempfile.gettempdir(),
os.path.join(os.path.expanduser("~"), "AppData", "Local", "Temp") if os.name == 'nt' else None,
'/tmp' if os.name != 'nt' else None
]
deleted_count = 0
for temp_dir in temp_dirs:
if temp_dir and os.path.exists(temp_dir):
try:
for root, dirs, files in os.walk(temp_dir, topdown=False):
# 删除过期文件
for file in files:
file_path = os.path.join(root, file)
try:
if os.path.getmtime(file_path) < cutoff:
os.remove(file_path)
deleted_count += 1
except:
pass
# 删除空目录
for dir in dirs:
dir_path = os.path.join(root, dir)
try:
if not os.listdir(dir_path):
os.rmdir(dir_path)
deleted_count += 1
except:
pass
except Exception as e:
print(f"清理临时目录 {temp_dir} 时出错: {e}")
return deleted_count
# 使用示例
# cleanup_temp_files(days_old=3)
删除Python项目中的缓存
import os
import shutil
from pathlib import Path
def clean_python_project_cache(project_path="."):
"""
清理Python项目中的缓存文件
"""
patterns = [
'__pycache__',
'*.pyc',
'*.pyo',
'.pytest_cache',
'.mypy_cache',
'.cache',
'*.egg-info',
'*.egg',
'dist',
'build',
'.tox',
'.coverage',
'htmlcov',
'.eggs'
]
deleted_count = 0
project_dir = Path(project_path)
for pattern in patterns:
if '*' in pattern:
# 文件模式
for file_path in project_dir.rglob(pattern):
try:
file_path.unlink()
print(f"删除缓存文件: {file_path}")
deleted_count += 1
except Exception as e:
print(f"删除失败 {file_path}: {e}")
else:
# 目录模式
for dir_path in project_dir.rglob(pattern):
try:
if dir_path.is_dir():
shutil.rmtree(dir_path)
print(f"删除缓存目录: {dir_path}")
deleted_count += 1
except Exception as e:
print(f"删除失败 {dir_path}: {e}")
print(f"共清理 {deleted_count} 个Python缓存对象")
return deleted_count
# 使用示例
# clean_python_project_cache("./my_project")
综合缓存清理工具
import os
import shutil
import tempfile
from pathlib import Path
import platform
class CacheCleaner:
"""综合缓存清理类"""
def __init__(self, verbose=True):
self.verbose = verbose
self.system = platform.system().lower()
self.home = os.path.expanduser("~")
self.total_deleted = 0
def log(self, message):
"""日志输出"""
if self.verbose:
print(message)
def clean_python_cache(self, path="."):
"""清理Python缓存"""
patterns = ['__pycache__', '*.pyc', '*.pyo', '.pytest_cache', '.mypy_cache']
project_dir = Path(path)
for pattern in patterns:
if '*' in pattern:
for file_path in project_dir.rglob(pattern):
try:
file_path.unlink()
self.total_deleted += 1
self.log(f"删除缓存文件: {file_path}")
except Exception as e:
self.log(f"删除失败 {file_path}: {e}")
else:
for dir_path in project_dir.rglob(pattern):
try:
if dir_path.is_dir():
shutil.rmtree(dir_path)
self.total_deleted += 1
self.log(f"删除缓存目录: {dir_path}")
except Exception as e:
self.log(f"删除失败 {dir_path}: {e}")
def clean_browser_cache(self):
"""清理浏览器缓存"""
browsers = {
'chrome': {
'windows': os.path.join(os.getenv('LOCALAPPDATA'), 'Google', 'Chrome', 'User Data', 'Default', 'Cache'),
'darwin': os.path.join(self.home, 'Library', 'Caches', 'Google', 'Chrome'),
'linux': os.path.join(self.home, '.cache', 'google-chrome')
},
'firefox': {
'windows': os.path.join(os.getenv('APPDATA'), 'Mozilla', 'Firefox', 'Profiles'),
'darwin': os.path.join(self.home, 'Library', 'Caches', 'Firefox'),
'linux': os.path.join(self.home, '.cache', 'mozilla', 'firefox')
},
'edge': {
'windows': os.path.join(os.getenv('LOCALAPPDATA'), 'Microsoft', 'Edge', 'User Data', 'Default', 'Cache'),
'darwin': os.path.join(self.home, 'Library', 'Caches', 'Microsoft Edge'),
}
}
for browser_name, paths in browsers.items():
if self.system in paths:
cache_path = paths[self.system]
if os.path.exists(cache_path):
try:
if os.path.isdir(cache_path):
shutil.rmtree(cache_path)
self.log(f"清理 {browser_name} 缓存")
self.total_deleted += 1
except Exception as e:
self.log(f"清理 {browser_name} 缓存失败: {e}")
def clean_temp_files(self):
"""清理临时文件"""
temp_dir = tempfile.gettempdir()
try:
for item in os.listdir(temp_dir):
item_path = os.path.join(temp_dir, item)
try:
if os.path.isfile(item_path):
os.remove(item_path)
else:
shutil.rmtree(item_path)
self.total_deleted += 1
except:
pass
self.log(f"清理临时目录: {temp_dir}")
except Exception as e:
self.log(f"清理临时文件失败: {e}")
def clean_all(self):
"""清理所有缓存"""
self.log("开始清理缓存...")
self.clean_python_cache()
self.clean_browser_cache()
self.clean_temp_files()
self.log(f"清理完成，共删除 {self.total_deleted} 个缓存对象")
return self.total_deleted
# 使用示例
# cleaner = CacheCleaner()
# cleaner.clean_all()
使用注意事项
- 权限问题：某些系统目录需要管理员权限
- 数据安全：删除前确保缓存不是重要数据
- 进程占用：被使用的缓存文件可能无法删除
- 定期清理：建议设定定期自动清理
这些脚本可以根据你的具体需求进行调整,如需特定场景的缓存清理，请告诉我具体需求。
