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<p class="MsoNormal"><span lang="EN-US">I’ve read through PEPs 483, 484, and 526, but I don’t see any discussion of how type hints should work when the type of a class member differs from the type of an instance member, like when metaclasses are used to create
instances.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">e.g.:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">>>> from django.db import models<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">>>> class MyModel(models.Model):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">... name = models.CharField()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">... class Meta:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">... app_label = "myapp"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">...<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">>>> type(MyModel.name)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><class 'django.db.models.query_utils.DeferredAttribute'><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">>>> m = MyModel()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">>>> type(m.name)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><class 'str'><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In this case, I would like to be able to specify an instance type of str for MyModel.name.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Can someone point me to any existing relevant discussion? Or if not, where should a new discussion start?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">T<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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