Benjamin Georgi wrote:
> I could use some help extracting the keys/values of a list of
> dictionaries from a string that is just the str() representation of the
> list (the problem is related to some flat file format I'm using for file
> IO).
>
> Example:
> >>> s = str(dict_list)
> >>> s
> '[{0: [2], 1: []}, {0: [], 1: [], 2: []}, {0: [1, 2]}]'
>
> Then, what I want to do is to reconstruct dict_list given s.
> Now, one possible solution would be
>
> >>> dict_list = eval(s)
>
> but since the content of s cannot be blindly trusted I`d rather not do
> it that way. Basically my question is whether there is another solution
> which is simpler than using regular expressions.
Michael Spencer has published a simple eval() that only allows constant
expressions:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/364469
Peter
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