python pdb set trace

, you can directly change a variableQ (uit), exit debugFind it interesting to debug a program at the command line, record it and share it.W, Print a stack trace, with the most recent frame at the bottom. An arrow indicates the ' Current frame ', which determines the context of the most commands. ' BT ' is a alias for this command.D, Move the current frame one level down in the stack trace(to a newer frame).

is actually an interactive source code debugger. You need the following two lines of code to use this module. import pdbpdb.set_trace() Let's take a look at our modified program, which contains some breakpoints. import pdbimport sysdef add(num1=0, num2=0): return int(num1) + int(num2)def sub(num1=0, num2=0): return int(num1) - int(num2)def main(): #Assuming our inputs are valid numbers print sys.argv pdb.set_trace() # 3. Execute the program to trigger the debugger Once the breakpoint is

Tags: python pdbin Python, syntax errors can be found by the Python interpreter, but logical errors or variable usage errors are not easy to find, and if the results do not meet expectations, debugging is a good debugging tool: The PDB module that comes with Python. The

waiting to continue debugging N means next # 3 Viewing the value of a variable # p----> be able to see the value of the variable, p indicates the meaning of the Prit printout #例如: # p name indicates the value of view variable nameDemo 2import pdb ="aaa" pdb.set_trace() ="bbb" ="ccc" pdb.set_trace() =++ c print(final) # 《4 将程序继续运行》 # c----->让程序继续向下执行，与n的区别是n只会执行下面的一行代码，而c会像python xxxx.py一样 继续执行不

This article mainly introduces the use of PDB modules to debug Python program instances, this article focuses on the Pdb.run () function, Pdb.runeval () function, Pdb.runcall () function, Pdb.set_trace () The use of functions and the PDB debugging commands and so on content, the need for friends can refer to the following In

Tags: des http io ar os using SP for strongThe debug feature is very important for developer, and Python provides the appropriate module PDB so that you can debug with a text editor to write scripts. The PDB is the abbreviation for Python debugger.Some of the commonly used commands are: Command Use

Tags: python pdb trace debugPoetry is a melancholy medium, and the poet's mission is lonely;--North "The Rose of Time"Learning is a deep ballad, and our task is to enjoy him. --Little Q "20161203"------------------------------------------------------------------------------------------------Learn C + +, the teacher taught us to have GDB debugging tools, in the wo

code of the main module to be debugged below #! /Usr/bin/python #-*-coding: UTF-8-*-def sub (a, B ): return a-bif _ name _ = "_ main _": print ''import testFun I = 0 a = 1 while (I Summarize common commands Basic commands H (elp) command: the available commands of the current version of Pdb are printed. to query a command, enterh [command] For exampleh l View list commands L (ist) command: list the code

the running state at any time. # err.py s = ' 0 ' n = Int (s) print 10/n $ python-m pdb err.py >/users/michael/github/sicp/err.py (2) 　　 After starting with the parameter-m PDB, the PDB navigates to the next code to execute, s = ' 0 '. Enter command l to view the code: (PDB