'Check if we can process such file based on name
@param filename: File name as \'mydoc.docx\'
@return: True if we can process such file'

@classmethod
def canProcessFilename(cls, filename):

    supported_patterns = cls._extpattern_to_mime.keys()
    for pattern in supported_patterns:
        if fnmatch.fnmatch(filename, pattern):
            return True
    return False
