def writeFile(self, text, append=False):
        mode = 'w'

        if append:
            mode = 'a'
        try:
            with codecs.open(self.path, mode, self.encoding) as file:
                file.write(text)
        except (IOError, UnicodeError):
            pass
Queries User objects for each id in the 'user_ids' list. Invokes 'callback' with a list
dataset/ETHPy150Open gepd/Deviot/libs/JSONFile.py/JSONFile.writeFile--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/user.py/User.QueryUsers