macro.py 文件源码

def get_cpi():
    """
        ????????????
    Return
    --------
    DataFrame
        month :????
        cpi :????
    """
    rdint = vs.random()
    request = Request(vs.MACRO_URL%(vs.P_TYPE['http'], vs.DOMAINS['sina'],
                                    rdint, vs.MACRO_TYPE[1], 0, 600,
                                    rdint))
    text = urlopen(request,timeout=10).read()
    text = text.decode('gbk') if ct.PY3 else text
    regSym = re.compile(r'\,count:(.*?)\}')
    datastr = regSym.findall(text)
    datastr = datastr[0]
    datastr = datastr.split('data:')[1]
    js = json.loads(datastr)
    df = pd.DataFrame(js, columns=vs.CPI_COLS)
    df['cpi'] = df['cpi'].astype(float)
    return df