def load(self, requirements_file=None):
        """Load or reload requirements from a requirements.txt file.

        :param requirements_file: if not given, the filename used from
            initialization will be read again.
        """
        if requirements_file is None:
            requirements_file = self.filename
            if requirements_file is None:
                raise ValueError("no filename provided")
        elif isinstance(requirements_file, text_type):
            requirements_file = Path(requirements_file)
        self.clear()
        with requirements_file.open() as f:
            self.loads(f.read())

        if isinstance(requirements_file, (text_type, Path)):
            self.filename = requirements_file
def downloadIndexPage(self, uselessArg1=None):
        logging.info("download index page")
        strIndexHtmlFolderPath = self.SOURCE_HTML_BASE_FOLDER_PATH + u"\\TECHORANGE"
        if not os.path.exists(strIndexHtmlFolderPath):
            os.mkdir(strIndexHtmlFolderPath) #mkdir source_html/TECHORANGE/
        #科技報橘首頁
        self.driver.get("https://buzzorange.com/techorange/")
        #儲存 html
        strIndexHtmlFilePath = strIndexHtmlFolderPath + u"\\index.html"
        self.utility.overwriteSaveAs(strFilePath=strIndexHtmlFilePath, unicodeData=self.driver.page_source)