Ka-Ping Yee wrote: > > On Sun, 23 Jul 2000, Paul Prescod wrote: > > As happy as I am to have it called Prescod-ese, I admit to influence > > from some languages that (otherwise) suck. :) > > I agree that formatting and interpolation is one area where Perl is > much stronger, and it should be easy to do such things in Python. > > > credit-where-due 'ly yrs > > I kind of hate to do this, but i can't restrain myself from pointing > out that i *did* propose just this solution quite recently, in: > > http://www.python.org/pipermail/python-dev/2000-July/012764.html > > I wrote a module to do this a few years ago (1996, i think). It > supported attribute lookup, item lookup, and expressions. (No one > has yet mentioned the issue of escaping the dollar sign, which i > handled by doubling it.) > > See the exact rules described, with examples, at > > http://www.lfw.org/python/Itpl.html > > If you want to play, just download > > http://www.lfw.org/python/Itpl15.py > > and try the itpl() function in the module. > > I would be quite pleased if (for example) $"" performed the > equivalent of a function call to itpl() on the enclosed string. Any reason this can't be emulated using the existing "..." % mapping syntax ? You'd just have to provide a smart mapping which evaluates the %(something)s tags in the format string to a string ready for insertion... something may even contain balanced parenthesis, so even function calls are within range. Note that a = 1 b = 2 print "We have %(a)s apples and %(b)s oranges" % locals() is already possible today without any additional magic. -- Marc-Andre Lemburg ______________________________________________________________________ Business: http://www.lemburg.com/ Python Pages: http://www.lemburg.com/python/
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