Support disallow_untyped_decorators = false option for 3rd party libraries #9442

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1. mvoitko

   added

   feature

   on Sep 15, 2020
2. gvanrossum commented on Sep 15, 2020

   

   gvanrossum

   on Sep 15, 2020

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   You can already specify this flag on a per-module or per-package basis. How is your proposal different?
3. mvoitko commented on Sep 16, 2020

   

   mvoitko

   on Sep 16, 2020

   Last edited by mvoitko

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   @gvanrossum There is an example described here, where it suppresses any error messages generated when the codebase tries importing the module.
   I would like to use the same approach to suppress error messages, not about all decorators in my module or my package, but to suppress the error messages for all decorators from 3rd party library, but still detect my own untyped decorators.
4. gvanrossum commented on Sep 16, 2020

   

   gvanrossum

   on Sep 16, 2020

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   Oh, so you want something like this:

   from some_third_party_package import decorator_one  # Untyped
   from my_own_library import decorator_two  # Also untyped
   
   # No error here
   @decorator_one
   def foo() -> None: ...
   
   # But report an error here
   @decorator_two
   def bar() -> None: ...

   That's not going to be an easy feature to add; I don't even know where to begin.

   👍React with 👍5Reacted by Max Voitko, Yevhenii Hyzyla, Dmitrii Korzhimanov, zephyrrrr and Erick Yellott
5. gvanrossum

   added

   priority-2-low

   on Sep 16, 2020