On Wednesday, May 28, 2014 5:35:18 PM UTC+1, Nils Bruin wrote: > > Non-underscore attributes implement a mutable interface. >> > I wasn't aware of that convention. Is it documented somewhere, with > rationale? >
Python provides @property and @foo.setter to make this convention work safely, so clearly its a common pattern. > - An accessor method allows a docstring to be attached, so it provides a > documentation hook. This is something we could find a solution to. > Docstrings can be attached to any attribute, no? Python's primary mechanism for storing information on instances is via > attributes stored in the instance __dict__. Do we really want to dissuade > people from using the most straightforward storing method by default? The > "consenting adults" doctrine of Python suggests we shouldn't do that just > to enforce immutability. The underscore is a convention, nobody stops you from ignoring it. But at least you have been warned. There is a difference between "we are consenting adults" and having everything filled with glass shards. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
