debug解决实际问题--python

简述：原代码一直报错，提示索引超出范围"IndexError: tuple index out of range"

一、原代码：

# -*- coding: utf-8 -*-
import pymysql, datetime
# 获取框架合约数据
def frame_treaty_get(frame_treaty_no_list):
    frame_treaty_list = []
    for frame_treaty_no in frame_treaty_no_list:
        sql = f"select frame_treaty_no,start_date,due_date from frame_treaty where frame_treaty_no = '{frame_treaty_no}'"
        frame_treaty_list.append(conn_db(sql))
    return frame_treaty_list
# 连接数据库
def conn_db(sql):
    conn = pymysql.connect(host='10.xxx.66.84',
                           port=3306,
                           user='test',
                           password='test@1234',
                           db='test',
                           charset="utf8")
    cursor = conn.cursor()
    cursor.execute(sql)
    results = cursor.fetchall()
    return results
# 获取预估流量费
def est_flow_charge_get(dates):
    sql = f"select * from est_flow_charge where trading_day ='{dates}'"
    est_flow_charge_list = conn_db(sql)
    # print(len(est_flow_charge_list))
    frame_treaty_no_list = []
    for i in range(len(est_flow_charge_list)):
        frame_treaty_no_list.append(est_flow_charge_list[i][1])
    # if est_flow_charge_list[0][1]
    # print(est_flow_charge_list[0][1])
    # print(frame_treaty_no_list)

    frame_treaty_list = frame_treaty_get(frame_treaty_no_list)
    frame_treaty_eff_list = []
    # print(frame_treaty_list)
    # print(len(frame_treaty_list))
    if len(frame_treaty_list) == 0:
        print('合约列表为空')
    else:
        for index in range(len(frame_treaty_list)):
            if dates >= frame_treaty_list[index][1] and dates<= frame_treaty_list[index][2]:
                frame_treaty_eff_list.append(frame_treaty_list[index][0])
        for index in range(len(frame_treaty_no_list)):
            if frame_treaty_no_list[index] in frame_treaty_eff_list:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'应产生预估流量费，一致')
            else:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'不应产生预估流量费，错误')
        for index in range(len(frame_treaty_eff_list)):
            if frame_treaty_eff_list[index] in frame_treaty_list:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'是存续期合约，已产生预估流量费，一致')
            else:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'是存续期合约，未产生预估流量费，错误')

if __name__ == '__main__':
    dates = '2023-12-01'
    # dates = datetime.date.today()  获取当日日期
    est_flow_charge_get(dates)

 

二、解决过程

1.解决方法：

debug + Evaluate Expression

2.bug原因：

frame_treaty_list列表里不是直接就是元组(合约编号, 合约起始日, 合约到期日)，而是元组里套元组((合约编号, 合约起始日, 合约到期日),)，所以需要取两次

 

 

 

 

三、解决后的代码：

# -*- coding: utf-8 -*-
import pymysql, datetime
# 获取frame_treaty_no_list列表，所有合约的起始日、到期日
def frame_treaty_get(frame_treaty_no_list):
    frame_treaty_list = []
    for frame_treaty_no in frame_treaty_no_list:
        sql = f"select frame_treaty_no,start_date,due_date from frame_treaty where frame_treaty_no = '{frame_treaty_no}'"
        frame_treaty_list.append(conn_db(sql))
    return frame_treaty_list
# 连接数据库
def conn_db(sql):
    conn = pymysql.connect(host='10.xxx.66.84',
                           port=3306,
                           user='test',
                           password='test@1234',
                           db='test',
                           charset="utf8")
    cursor = conn.cursor()
    cursor.execute(sql)
    results = cursor.fetchall()
    return results
# 获取预估流量费
def est_flow_charge_get(dates):
    sql = f"select * from est_flow_charge where trading_day ='{dates}'"
    est_flow_charge_list = conn_db(sql)
    # print(len(est_flow_charge_list))
    frame_treaty_no_list = []
    for i in range(len(est_flow_charge_list)):
        frame_treaty_no_list.append(est_flow_charge_list[i][1])
    # if est_flow_charge_list[0][1]
    # print(est_flow_charge_list[0][1])
    # print(frame_treaty_no_list)

    frame_treaty_list = frame_treaty_get(frame_treaty_no_list)
    frame_treaty_eff_list = []
    print(frame_treaty_list)
    # print(len(frame_treaty_list))
    if len(frame_treaty_list) == 0:
        print('合约列表为空')
    else:
        for index in range(len(frame_treaty_list)):
            print(index)
            if dates >= str(frame_treaty_list[index][0][1]) and dates<= str(frame_treaty_list[index][0][2]):
                frame_treaty_eff_list.append(frame_treaty_list[index][0][0])
        for index in range(len(frame_treaty_no_list)):
            if frame_treaty_no_list[index] in frame_treaty_eff_list:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'应产生预估流量费，一致')
            else:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'不应产生预估流量费，错误')
        for index in range(len(frame_treaty_eff_list)):
            if frame_treaty_eff_list[index] in frame_treaty_no_list:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'是存续期合约，已产生预估流量费，一致')
            else:
                print(str(dates)+'日, '+str(frame_treaty_no_list[index])+'是存续期合约，未产生预估流量费，错误')

if __name__ == '__main__':
    dates = '2023-12-01'
    # dates = datetime.date.today()  获取当日日期
    est_flow_charge_get(dates)