python3通过ssh操作mysql

# coding=utf-8

import pymysql
import configparser
from tkinter import *
from tkinter import ttk, messagebox
from sshtunnel import SSHTunnelForwarder

config = configparser.ConfigParser()
if not config.read('sys.ini'):
    config['ssh'] = {
        'host': '',
        'user': '',
        'passwd': ''
    }
    config['db'] = {
        'host': '',
        'user': '',
        'passwd': ''
    }

    with open('sys.ini', 'w') as configfile:
        config.write(configfile)

ssh_host = config['ssh']['host']
ssh_user = config['ssh']['user']
ssh_pwd = config['ssh']['passwd']
db_host = config['db']['host']
db_user = config['db']['user']
db_pwd = config['db']['passwd']

server = False


def connect_ssh():
    server = SSHTunnelForwarder(
        ssh_address_or_host=(ssh_host, 22),
        ssh_username=ssh_user,
        ssh_password=ssh_pwd,
        remote_bind_address=('127.0.0.1', 3306)
    )
    return server


def search_btn():
    try:
        if not ssh_host or not ssh_user or not ssh_pwd:
            raise Exception('没有配置远程主机')

        val = entry1.get()
        if not val:
            raise Exception('没有输入')

        global server
        if not server:
            server = connect_ssh()

        if not server.is_active:
            server.start()
            global port
            port = server.local_bind_port

        for item in tree.get_children():
            tree.delete(item)

        db = pymysql.connect(host=db_host, port=port, user=db_user, passwd=db_pwd, db="oil")
        sql = "select id,mobile,fleet_name,pay_name from oil_fleet_account " \
              " where mobile like '%{}%' or fleet_name like '%{}%' or pay_name like '%{}%'" \
              " order by id limit 15".format(val, val, val)
        cursor = db.cursor()
        cursor.execute(sql)
        data = cursor.fetchall()

        if not data:
            raise Exception('没有数据')

        for v in data:
            tree.insert('', END, values=v)

        db.close()
    except Exception as e:
        messagebox.showerror('错误', e)
        return


def edit_pwd(id, str, tl):
    db = pymysql.connect(host=db_host, port=port, user=db_user, passwd=db_pwd, db="oil")
    cursor = db.cursor()
    sql = "UPDATE oil_fleet_account SET pay_name = '{}' WHERE id = {}".format(str, id)

    try:
        change_row = cursor.execute(sql)
        db.commit()
    except Exception as e:
        db.rollback()
        db.close()
        messagebox.showerror('错误', e)
        return

    db.close()
    search_btn()
    messagebox.showinfo('提示', change_row)
    tl.destroy()


def click_item(event):
    if not tree.selection():
        return

    for item in tree.selection():
        item_text = tree.item(item, "values")

    tl = Toplevel()
    tl.title('修改密码')

    Label(tl, text="编号：" + item_text[0]).place(x=0, y=0)
    Label(tl, text="手机：" + item_text[1]).place(x=0, y=30)
    Label(tl, text="名称：" + item_text[2]).place(x=0, y=60)
    Label(tl, text="密码：").place(x=0, y=90)

    entry2 = Entry(tl, relief=SOLID)
    entry2.place(x=40, y=90)

    btn1 = Button(tl, text='修改', command=lambda: edit_pwd(item_text[0], entry2.get(), tl), relief=GROOVE)
    btn1.place(x=80, y=120)


window = Tk()
window.title('修改车队密码')
window.geometry('600x500')
window.resizable(width=False, height=False)

entry1 = Entry(window, relief=SOLID)
btn = Button(window, text='查询', command=search_btn, relief=GROOVE)

tree = ttk.Treeview(window, show="headings", selectmode='browse')
tree['columns'] = ("id", "mobile", "fleet_name", "pay_name")
tree.bind('<Double-1>', click_item)

tree.column('id', width=50)
tree.column('mobile', width=100)
tree.column('fleet_name', width=150)

tree.heading("id", text="编号")
tree.heading("mobile", text="手机")
tree.heading("fleet_name", text="名称")
tree.heading("pay_name", text="简称")

tree.place(x=20, y=60, height=400, width=560)
entry1.place(x=20, y=20, height=29, width=480)
btn.place(x=520, y=20)

window.mainloop()

 

来源：oschina

链接：https://my.oschina.net/qjd/blog/4340309