On Thu, Sep 27, 2018 at 9:22 AM Robert Collins
<robe...@robertcollins.net> wrote:
>
> On Thu., 27 Sep. 2018, 11:00 Chris Angelico, <ros...@gmail.com> wrote:
>>
>> On Thu, Sep 27, 2018 at 8:53 AM Robert Collins
>> <robe...@robertcollins.net> wrote:
>> >
>> > On Thu, 27 Sep 2018 at 00:44, Marko Ristin-Kaufmann
>> > <marko.ris...@gmail.com> wrote:
>> > >
>> > > P.S. My offer still stands: I would be very glad to annotate with
>> > > contracts a set of functions you deem representative (e.g., from a
>> > > standard library or from some widely used library). Then we can discuss
>> > > how these contracts. It would be an inaccurate estimate of the benefits
>> > > of DbC in Python, but it's at least better than no estimate. We can have
>> > > as little as 10 functions for the start. Hopefully a couple of other
>> > > people would join, so then we can even see what the variance of
>> > > contracts would look like.
>> >
>> > i think requests would be a very interesting library to annotate. Just
>> > had a confused developer wondering why calling an API with
>> > session.post(...., data={...some object dict here}) didn't work
>> > properly. (Solved by s/data/json), but perhaps illustrative of
>> > something this might help with?
>>
>> Not sure what you mean by not working; my suspicion is that it DID
>> work, but didn't do what you thought it did (it would form-encode).
>> Contracts wouldn't help there, because it's fully legal and correct.
>
>
> Giving post a data= results in form encoding, as you say.
> Giving it a json= results in json encoding.
>
> Works is a bit of a weasel word.
>
> The python code did not crash. However it did not perform as desired, either.
>
> And since that is pretty much the entire value proposition of DbC... it seems
> like a good case to dissect.
Okay, but what is the contract that's being violated when you use
data= ? How would you define the contract that this would track?
That's what I'm asking.
ChrisA
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