wallstreet.py 文件源码

def _yahoo(self, quote, d, m, y):
        """ Collects data from Yahoo Finance API """

        epoch = int(round(mktime(date(y, m, d).timetuple())/86400, 0)*86400)

        if not hasattr(self, '_session_y'):
            self._session_y = requests.Session()
        r = self._session_y.get(__class__._Y_API + quote + '?date=' + str(epoch))

        if r.status_code == 404:
            raise LookupError('Ticker symbol not found.')
        else:
            r.raise_for_status()

        json = r.json()

        try:
            self.data = json['optionChain']['result'][0]['options'][0]
        except IndexError:
            raise LookupError('No options listed for this stock.')

        self._exp = [datetime.utcfromtimestamp(i).date() for i in json['optionChain']['result'][0]['expirationDates']]