Python Single Step debugging tool PDB

Method One: Run python-m pdb pythonname.py
(PDB) automatically stops at the first line and waits for debugging, so you can look at the Help
(Pdb) H
Description of these key commands

> Breakpoint Settings
(Pdb) B #断点设置在本py的第10行
or (Pdb) b ots.py:20 #断点设置到 ots.py line 20th
Remove Breakpoint (Pdb) b #查看断点编号
(PDB) CL 2 #删除第2个断点

> Operation
(PDB) n #单步运行
(PDB) s #细点运行 is the next, method
(PDB) C #跳到下个断点
> View
(Pdb) p param #查看当前 Variable value
(PDB) L #查看运行到某处代码
(PDB) A #查看全部栈内变量

If you want to start one step at a code point, you can write it as follows:

Import PDB

Pdb.set_trace ()

Can be, the following code:

Variable _DEBUG for debug switches