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import re
def validateTitle(title):
"""
过滤文件名中的非法字符，将其替换为下划线
Args:
title (str): 原始文件名字符串
Returns:
str: 处理后的合法文件名
"""
rstr = r"[\/\\\:\*\?\"\<\>\|]" # '/ \ : * ? " < > |'
new_title = re.sub(rstr, "_", title) # 替换为下划线
return new_title# 测试示例
original_filename = "My:File*With?Invalid\"Characters"
safe_filename = validateTitle(original_filename)
print(safe_filename) # 输出: My_File_With_Invalid_Characters# 批量处理目录中的文件
import os
def rename_files_in_directory(directory):
"""批量重命名目录中的文件，移除文件名中的非法字符"""
for filename in os.listdir(directory):
# 分离文件名和扩展名
name, ext = os.path.splitext(filename)
# 处理文件名部分
safe_name = validateTitle(name)
# 组合新文件名
new_filename = safe_name + ext
# 如果文件名有变化，则重命名
if filename != new_filename:
old_path = os.path.join(directory, filename)
new_path = os.path.join(directory, new_filename)
os.rename(old_path, new_path)
print(f"Renamed: {filename} -> {new_filename}")import re
import os
def sanitize_filename(filename, max_length=255):
"""
创建安全的文件名
Args:
filename (str): 原始文件名
max_length (int): 文件名最大长度限制
Returns:
str: 处理后的安全文件名
"""
# 分离文件名和扩展名
base, ext = os.path.splitext(filename)
# 过滤非法字符
base = re.sub(r'[\/\\\:\*\?\"\<\>\|]', '_', base)
# 删除前导和尾随空格
base = base.strip()
# 确保文件名不为空
if not base:
base = "unnamed_file"
# 处理文件名长度限制（保留扩展名）
max_base_length = max_length - len(ext)
if len(base) > max_base_length:
base = base[:max_base_length]
return base + ext