Does Python really follow its philosophy of "Readability counts"?

alex23 wuwei23 at gmail.com
Thu Jan 15 08:15:18 CET 2009


On Jan 15, 1:06 pm, Paul Rubin <http://phr...@NOSPAM.invalid> wrote:
> I just looked up Cython and see that it's based on Pyrex.  Worth
> knowing about, I guess; but basically I think C is evil.

I feel much the same way, but the recent modifications to Cython that
provide a "pure Python"[1] approach mean that you can minimise the
amount of C you need to write and still take advantage of features
like static types:

@cython.locals(s=cython.double, i=int, n=int)
def harmonic_sum(n):
     s = 0
     for i in range(1, n+1):
         s += 1.0 / i
     return s

The same code will both run in Python and compile via Cython. (I'm
surprised the new "pure" approach isn't more clearly promoted on the
site.)

1: http://wiki.cython.org/pure



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