Re: Resuming a program's execution after correcting error

Georg Brandl wrote:
As I said before, this can be done by finding out where the error is raised,
what the cause is and by inserting an appropriate try-except-statement in
the code.

I could be mistaken, but I *think* the OP is asking how to re-enter the
stack at the same point as the exception exited from and continue with
the execution as if the exception never happened. AFAIK, that isn't
possible; however, given that he has a file to work from that indicates
a portion of the state at the time of the exception, I think he may be
able simulate that kind of functionality by reading in the file on
exception and then returning a call to the function where the exception
occured with the data from the file. Something like this mockup:

def faulty_function(a, b, c=None):
if not c:
c = 0
try:
# modify c, write c to file...
# oops hit an exception
c += a / b
except:
# read from the file here
# c = ...
# and fix the error
b += 1
return faulty_function(a, b, c)
return c

print faulty_function(2, 0) # => 2

Of course, it's probably much better to just fix the code and avoid the
exception in the first place. ;)

Regards,
Jordan

.

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