zoukankan      html  css  js  c++  java
  • [python]

    1. 代码如下:

    # coding=gbk
    import pdb
    
    def pdb_test(arg):
        for i in range(arg):
            print (i)
        return arg
    
    pdb.run("pdb_test(3)")

    2. 调试过程

    > <string>(1)<module>()
    (Pdb) b pdb_test
    Breakpoint 1 at c:usersadministratorworkspacepracticesrcpractice_testdailytest.py:4
    (Pdb) b
    Num Type         Disp Enb   Where
    1   breakpoint   keep yes   at c:usersadministratorworkspacepracticesrcpractice_testdailytest.py:4
    (Pdb) c
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) l
      1      # coding=gbk
      2      import pdb
      3      
      4 B    def pdb_test(arg):
      5  ->        for i in range(arg):
      6              print (i)
      7          return arg
      8      
      9      pdb.run("pdb_test(3)")
     10      
     11      
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(6)pdb_test()
    -> print (i)
    (Pdb) p i
    0
    (Pdb) n
    0
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(6)pdb_test()
    -> print (i)
    (Pdb) p i
    1
    (Pdb) n
    1
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(6)pdb_test()
    -> print (i)
    (Pdb) p i
    2
    (Pdb) n
    2
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(7)pdb_test()
    -> return arg
    (Pdb) p arg
    3
    (Pdb) a
    arg = 3
    (Pdb) n
    --Return--
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(7)pdb_test()->3
    -> return arg
    (Pdb) exit

    3. 调试命令详解

    b设置断点:

    (Pdb) b pdb_test
    Breakpoint 1 at c:usersadministratorworkspacepracticesrcpractice_testdailytest.py:4

    b查看断点:

    (Pdb) b
    Num Type         Disp Enb   Where
    1   breakpoint   keep yes   at c:usersadministratorworkspacepracticesrcpractice_testdailytest.py:4

    c运行程序,直到遇到断点:

    (Pdb) c
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):

    l查看断点周围的代码:

    (Pdb) l
      1      # coding=gbk
      2      import pdb
      3      
      4 B    def pdb_test(arg):
      5  ->        for i in range(arg):
      6              print (i)
      7          return arg
      8      
      9      pdb.run("pdb_test(3)")
     10      
     11      

    s, n单步运行,区别是s会进入路径中的函数,n不会进入:

    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(6)pdb_test()

    p查看表达式的值:

    -> print (i)
    (Pdb) p i
    0
    (Pdb) n
    0
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(6)pdb_test()
    -> print (i)
    (Pdb) p i
    1
    (Pdb) n
    1
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(6)pdb_test()
    -> print (i)
    (Pdb) p i
    2
    (Pdb) n
    2
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(5)pdb_test()
    -> for i in range(arg):
    (Pdb) n
    > c:usersadministratorworkspacepracticesrcpractice_testdailytest.py(7)pdb_test()
    -> return arg
    (Pdb) p arg
    3

    a查看参数:

    (Pdb) a
    arg = 3

    终止并退出:

    (Pdb) exit

    参考:

    http://www.cnblogs.com/chencheng/archive/2013/07/07/3161778.html 

    http://blog.csdn.net/carolzhang8406/article/details/6923997

  • 相关阅读:
    PHP在yii2中封装SuperSlide 幻灯片编写自己的SuperSlideWidget的例子
    安卓界面控件屏幕居中Layout例子
    java web的开发 知识要点
    PHP MVC简单介绍,对PHP当前主流的MVC做了一个总结
    自己编写的一个有关安卓应用开发培训PPT
    springboot配置fastjson后端往前端传输格式化
    实现商城商品秒杀分析
    idea添加jdbc包
    idea心得
    gc overhead limit exceeded内存问题
  • 原文地址:https://www.cnblogs.com/sophia194910/p/5139748.html
Copyright © 2011-2022 走看看