On 1/13/2014 2:24 AM, Steven D'Aprano wrote:
On Sun, 12 Jan 2014 10:08:31 -0500, Eric S. Johansson wrote:
Now just walk the template for $ signs. Watch out for $$ which escapes
the dollar sign. Here's a baby parser:
found a different way
import string
cmplxstr="""a simple $string a longer $string a $last line"""
nst=string.Template(cmplxstr)
identifiers = {}
while True:
try:
result = nst.substitute(identifiers)
except KeyError, error:
print error
identifiers[error[0]] = "x"
else:
break
print "loop done"
------
at the end I only care about the keys in identifier which I fill in
after user interaction.
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