def coerce(cls, string):
        """Create a :class:`Requirement` object from a given package spec."""
        match = re.match(cls.spec_regex, string)
        if not match:
            raise InvalidRequirementSpecError("could not parse requirement")
        package = match.group(1)
        if all(match.group(2, 3)):
            version = "".join(match.group(2, 3))
        else:
            version = None
        return cls(package, version)
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