core.py 文件源码

def exchange(self, name):
        """Obtain data from a exchange passed as argument

        Example:
            exchange('poloniex')

        Args:
            name (str): Exchange to retrieve data

        Returns:
            list: Data from all markets in a exchange
        """
        url = urljoin(self.urls["web"], 'exchanges/%s/' % name)
        html = self._html(url)

        marks = html.find('table').find_all('tr')
        response = []
        for m in marks[1:]:
            _childs, childs = (m.contents, [])
            for c in _childs:
                if c != '\n':
                    childs.append(c)
            for n, c in enumerate(childs):
                if n == 0:
                    rank = self.parse_int(c.getText())
                elif n == 1:
                    name = str(c.getText())
                elif n == 2:
                    market = str(c.getText().replace(
                        '/', self.pair_separator
                    ))
                elif n == 3:
                    _volume_24h_usd = sub(r'\$|,', '', c.getText())
                    volume_24h_usd = self.parse_int(_volume_24h_usd)
                elif n == 4:
                    _price_usd = sub(r'\$| |\*', '', c.getText())
                    price_usd = self.parse_float(_price_usd)
                elif n == 5:
                    _perc_volume = c.getText().replace('%', '')
                    perc_volume = self.parse_float(_perc_volume)
            indicators = {'rank': rank,
                          'name': name,
                          'market': market,
                          'volume_24h_usd': volume_24h_usd,
                          'price_usd': price_usd,
                          'perc_volume': perc_volume}
            response.append(indicators)

        return response