def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def __init__(self):
        self.SOURCE_HTML_BASE_FOLDER_PATH = u"cameo_res\\source_html"
        self.PARSED_RESULT_BASE_FOLDER_PATH = u"cameo_res\\parsed_result"
        self.strWebsiteDomain = u"http://buzzorange.com/techorange"
        self.dicSubCommandHandler = {
            "index":self.downloadIndexPage,
            "tag":self.downloadTagPag,
            "news":self.downloadNewsPage
        }
        self.utility = Utility()
        self.db = LocalDbForTECHORANGE()
        self.driver = None