在 Python 中也可以像 gcc/gdb 那样调试程序,只要在运行 Python 程序时引入 pdb 模块(假设要调试的程序名为 d.py):
$ vi d.py #!/usr/bin/pythondef main(): i, sum = 1, 0 for i in xrange(100): sum = sum + i print sum
if __name__ == '__main__': main()
$ python -m pdb d.py
$ python -m pdb 1.py > d.py(3)() -> def main(): (Pdb)
(Pdb) list 1 #!/usr/bin/python 2 3 -> def main(): 4 i, sum = 1, 0 5 for i in xrange(100): 6 sum = sum + i 7 print sum 8 9 if __name__ == '__main__': 10 main() [EOF]
(Pdb) next > d.py(9)() -> if __name__ == '__main__':
(Pdb) break d.py:6 Breakpoint 1 at d.py:6(Pdb) list 1 #!/usr/bin/python 2 3 def main(): 4 i, sum = 1, 0 5 -> for i in xrange(100): 6 B sum = sum + i 7 print sum 8 9 if __name__ == '__main__': 10 main() [EOF]
(Pdb) break d.main d.py:3(Pdb) list 1 #!/usr/bin/python 2 3 B def main(): 4 -> i, sum = 1, 0 5 for i in xrange(100): 6 sum = sum + i 7 print sum 8 9 if __name__ == '__main__': 10 main() [EOF]
(Pdb) break d.py:6, sum > 50 Breakpoint 1 at d.py:6
(Pdb) step > d.py(5)main() -> for i in xrange(100): (Pdb) pp sum 0
#!/usr/bin/python import pdbdef main(): i, sum = 1, 0 for i in xrange(100): sum = sum + i pdb.set_trace() print sum
if __name__ == '__main__': main()
$ ./d.py > d.py(9)main() -> print sum (Pdb)