On 2019-08-10, Serhiy Storchaka wrote:
> Actually we need to distinguish the the author and the user of the code and
> show warnings only to the author. Using .pyc files was just an heuristic:
> the author compiles the Python code, and the user uses compiled .pyc files.
> Would be nice to have more reliable way to determine the owning of the code.
> It is related not only to SyntaxWarnings, but to runtime
> DeprecationWarnings. Maybe silence warnings only for readonly files and make
> files installed by PIP readonly?

Identifying the author vs the user seems like a good idea.  Relying
on the OS filesystem seems like a solution that would cause some
challenges.  Can we embed that information in the .pyc file instead?
That way, Python knows that it is module/package that has been
installed with pip or similar and the end user is likely not the
author.
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