New submission from Hugo Ricateau :
Assume one has defined the following descriptor:
```
class Descriptor:
def __set__(self, instance, value):
print('SET')
```
On the one hand, for the class-instance pair, the behaviour is as follows:
```
class FirstClass:
Hugo Ricateau added the comment:
Thanks for this detailed answer; very instructive :)
> the descriptor protocol is only triggered by "dotted access"
Indeed; this is what I was missing... despite it is indirectly mentioned in the
documentation. Nonetheless, it could be worth th
