不要忘记事后调试！引发异常后，所有本地变量的堆栈框架都包含在中sys.last_traceback。您可以pdb.pm()转到引发异常的堆栈帧，然后p（retty）p（rint）thelocals()。
def findlocals(search, startframe=None, trace=False):
from pprint import pprint
import inspect, pdb
startframe = startframe or sys.last_traceback
frames = inspect.getinnerframes(startframe)
frame = [tb for (tb, _, lineno, fname, _, _) in frames
if search in (lineno, fname)][0]
if trace:
pprint(frame.f_locals)
pdb.set_trace(frame)
return frame.f_locals
用法：
>>> def screwyFunc():
a = 0
return 2/a
>>> screwyFunc()
Traceback (most recent call last):
File "<pyshell#62>", line 1, in <module>
screwyFunc()
File "<pyshell#55>", line 3, in screwyFunc
return 2/a
ZeroDivisionError: integer division or modulo by zero
>>> findlocals('screwyFunc')
{'a': 0}
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