How do django Field type hints work?

[Justin Black]

Hello there,

If I have a model:

class Money(models.Model):

    price = models.DecimalField()

m = Money(...)

pycharm knows that m.price is of type Decimal but when I read through the django code base, I don't see DecimalField or Field subclassing decimal.Decimal

And I don't see any registration code that registers DecimalField as type Decimal

How does django do this?

[Mohammad Anarul]

You can following the article 

https://www.geeksforgeeks.org/decimalfield-django-models/amp/

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[Justin Black]

That article doesn't explain where and how the DecimalField class describes its type as Decimal to python and pycharm. What line does that? 

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[Muhammad Juwaini Abdul Rahman]

My pycharm shows DecimalField as type Any.

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