scholar.py 文件源码

def make_soup(markup, parser=None):
        """Factory method returning a BeautifulSoup instance. The created
        instance will use a parser of the given name, if supported by
        the underlying BeautifulSoup instance.
        """
        if 'bs4' in sys.modules:
            # We support parser specification. If the caller didn't
            # specify one, leave it to BeautifulSoup to pick the most
            # suitable one, but suppress the user warning that asks to
            # select the most suitable parser ... which BS then
            # selects anyway.
            if parser is None:
                warnings.filterwarnings('ignore', 'No parser was explicitly specified')
            return BeautifulSoup(markup, parser)

        return BeautifulSoup(markup)