wsgidav.util.get_file_etag

wsgidav.util.get_file_etag(file_path)

Return a strong, unquoted Entity Tag for a (file)path.

http://www.webdav.org/specs/rfc4918.html#etag

Returns the following as entity tags:

Non-file - md5(pathname)
Win32 - md5(pathname)-lastmodifiedtime-filesize
Others - inode-lastmodifiedtime-filesize