Python如何解决secure_filename对中文不支持问题

 secure_filename(filename)函数源代码： def secure_filename(filename: str) -> str: r"""Pass it a filename and it will return a secure version of it.  This filename can then safely be stored on a regular file system and passed to :func:`os.path.join`.  The filename returned is an ASCII only string for maximum portability. On windows systems the function also makes sure that the file is not named after one of the special device files. >>> secure_filename("My cool movie.mov") 'My_cool_movie.mov' >>> secure_filename("../../../etc/passwd") 'etc_passwd' >>> secure_filename('i contain cool \xfcml\xe4uts.txt') 'i_contain_cool_umlauts.txt' The function might return an empty filename.  It's your responsibility to ensure that the filename is unique and that you abort or generate a random filename if the function returned an empty one. .. versionadded:: 0.5 :param filename: the filename to secure """ filename = unicodedata.normalize("NFKD", filename) filename = filename.encode("ascii", "ignore").decode("ascii") for sep in os.path.sep, os.path.altsep: if sep: filename = filename.replace(sep, " ") filename = str(_filename_ascii_strip_re.sub("", "_".join(filename.split()))).strip( "._" ) # on nt a couple of special files are present in each folder.  We # have to ensure that the target file is not such a filename.  In # this case we prepend an underline if ( os.name == "nt" and filename and filename.split(".")[0].upper() in _windows_device_files ): filename = f"_{filename}" return filename 

 def secure_filename(filename: str) -> str: r"""Pass it a filename and it will return a secure version of it.  This filename can then safely be stored on a regular file system and passed to :func:`os.path.join`.  The filename returned is an ASCII only string for maximum portability. On windows systems the function also makes sure that the file is not named after one of the special device files. >>> secure_filename("My cool movie.mov") 'My_cool_movie.mov' >>> secure_filename("../../../etc/passwd") 'etc_passwd' >>> secure_filename('i contain cool \xfcml\xe4uts.txt') 'i_contain_cool_umlauts.txt' The function might return an empty filename.  It's your responsibility to ensure that the filename is unique and that you abort or generate a random filename if the function returned an empty one. .. versionadded:: 0.5 :param filename: the filename to secure """ filename = unicodedata.normalize("NFKD", filename) filename = filename.encode("utf8", "ignore").decode("utf8")   # 编码格式改变 for sep in os.path.sep, os.path.altsep: if sep: filename = filename.replace(sep, " ") _filename_ascii_add_strip_re = re.compile(r'[^A-Za-z0-9_\u4E00-\u9FBF\u3040-\u30FF\u31F0-\u31FF.-]') filename = str(_filename_ascii_add_strip_re.sub('', '_'.join(filename.split()))).strip('._')             # 添加新规则 # on nt a couple of special files are present in each folder.  We # have to ensure that the target file is not such a filename.  In # this case we prepend an underline if ( os.name == "nt" and filename and filename.split(".")[0].upper() in _windows_device_files <p style="color:transparent">来源gao!%daima.com搞$代*!码网</p>): filename = f"_{filename}" return filename