Function csv2frame

quantdigger/kernel/datasource/data.py:42–51

读取CSV文件到DataFrame

(fname)

def csv2frame(fname):
    ''' 读取CSV文件到DataFrame '''
    try:
        data = pd.read_csv(fname, index_col=0, parse_dates=True)
        data['islong'] = False if fname.endswith("_.csv") else True
        assert data.index.is_unique
    except Exception, e:
        print u"**Warning: File \"%s\" doesn't exist!"%fname
        data = None
    return data


class Record(object):