python--pdb

pdb 常用命令

命令 　　　　　　　　　　　　解释

break 或 b 设置断点 　   　　设置断点

continue 或 c 　　　　　　　继续执行程序

list 或 l 　　　　　　　　　　查看当前行的代码段

step 或 s 　　　　　　　　　进入函数

return 或 r 　　　　　　  　　执行代码直到从当前函数返回

exit 或 q 　　　　　　　 　　中止并退出

next 或 n 　　　　　　　　　执行下一行 pp 打印变量的值

help 　　　　　　　　　　　帮助

(Pdb) s
--Call--
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(3)pdb_test()
-> def pdb_test(arg):
(Pdb) l
  1   import pdb
  2   
  3  -> def pdb_test(arg):
  4       pdb.set_trace()
  5       for i in range(arg):
  6           print(i)
  7       return arg
[EOF]

(Pdb) b 6
Breakpoint 1 at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:6
(Pdb) b 3
Breakpoint 2 at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:3
(Pdb) b
Num Type         Disp Enb   Where
1   breakpoint   keep yes   at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:6
2   breakpoint   keep yes   at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:3

(Pdb) c
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(5)pdb_test()
-> for i in range(arg):
(Pdb) l
  1   import pdb
  2   
  3   def pdb_test(arg):
  4       pdb.set_trace()
  5  ->     for i in range(arg):
  6           print(i)
  7       return arg
[EOF]

(Pdb) n
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(6)pdb_test()
-> print(i)
(Pdb) 
0
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(5)pdb_test()
-> for i in range(arg):
(Pdb) 
*** SyntaxError: invalid syntax (<stdin>, line 1)
(Pdb) 
*** SyntaxError: invalid syntax (<stdin>, line 1)
(Pdb) n
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(6)pdb_test()
-> print(i)
(Pdb) 
1
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(5)pdb_test()
-> for i in range(arg):
(Pdb) n
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(6)pdb_test()
-> print(i)
(Pdb) 
2
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(5)pdb_test()
-> for i in range(arg):
(Pdb) l
  1   import pdb
  2   
  3   def pdb_test(arg):
  4       pdb.set_trace()
  5  ->     for i in range(arg):
  6           print(i)
  7       return arg
[EOF]
(Pdb) a
arg = 5
(Pdb) p i
2
(Pdb) s
> c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py(6)pdb_test()
-> print(i)
(Pdb) b
(Pdb) l
  1   import pdb
  2   
  3   def pdb_test(arg):
  4       pdb.set_trace()
  5       for i in range(arg):
  6  ->         print(i)
  7       return arg
[EOF]
(Pdb) b 5
Breakpoint 3 at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:5
(Pdb) condition 2 i==3
(Pdb) b
Num Type         Disp Enb   Where
1   breakpoint   keep yes   at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:6
2   breakpoint   keep yes   at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:3
 stop only if i==3
3   breakpoint   keep yes   at c:userswuchan4xdesktopeilingeunit_tests_dumppbd_test02.py:5
(Pdb) a
arg = 5