Re: [Python-ideas] proposal to add rowexpr as a keyword

May 31, 2007


      On 5/30/07, Steve Howell <showell30@yahoo.com> wrote:
...
======= THEORETICAL
Valid Python:
row = {'salary': 50000}
def convert_to_euros(amt): return amt / 2
x = rowexpr: convert_to_euros(salary)
print x(row) # prints 25000
...
...
...
def rowexpr(expr):
...     def evaluate(row):
...         d = dict(row)
...         d.update(globals())
...         exec '__result__ = ' + expr in d
...         return d['__result__']
...     return evaluate
...
def convert_to_euros(amt):
...     return amt / 2
...
x = rowexpr('convert_to_euros(salary)')
row = dict(salary=50000)
print x(row)
25000
STeVe
-- 
I'm not *in*-sane. Indeed, I am so far *out* of sane that you appear a
tiny blip on the distant coast of sanity.
        --- Bucky Katt, Get Fuzzy

Re: [Python-ideas] proposal to add rowexpr as a keyword

Steven Bethard