On Oct 29, 3:47 am, "Paulo J. Matos" <[EMAIL PROTECTED]> wrote:
> I am wondering if there is any work on contracts for Python. I could
> only find PEP316, however, I am wondering if there is any official
> support for it already (tools I mean), and if it is or if it will be
> officially supported in any of the next releases of Python.
It's possible to get a simplistic design-by-contract approach without
external libs by using 'assert'.
Here's a modified example from PEP 316:
class circbuf:
def __init__(self, leng):
"""Construct an empty circular buffer."""
# pre
assert leng > 0, "pre: length not positive"
...
# post
assert self.is_empty(), "post: buffer not empty"
assert len(self.buf) == leng, "post: buffer length incorrect"
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