On Dec 19, 4:23 pm, John Machin <[EMAIL PROTECTED]> wrote: > On Dec 20, 9:10 am, Larry Bates <[EMAIL PROTECTED]> wrote: > > > > > > > Stef Mientki wrote: > > > hello, > > > > I need to translate the following string > > > a = '(0, 0, 0, 255), (192, 192, 192, 255), True, 8' > > > > into the following list or tuple > > > b = [(0, 0, 0, 255), (192, 192, 192, 255), True, 8 ] > > > > Is there a simple way to to this. > > > (Not needed now, but might need it in the future: even deeper nested > > > lists, represented by a string.) > > > > thanks, > > > Stef Mientki > > > There are threads on this list about eval and how you need to be careful. > > In particular Paul Maguire recently pointed to a safe evaluator that > was restricted (IIRC) to something like lists/dicts/etc of ints/floats/ > string/etc constants -- looks like just what you need. >
I think the last thread of this nature also cited a similar tool by the effbot, which he describes here: http://www.effbot.org/zone/simple-iterator-parser.htm. This parser is about 10X faster than the equivalent pyparsing parser. -- Paul (McGuire) -- http://mail.python.org/mailman/listinfo/python-list
