Feature: `__` private members/name mangling in classes

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
javascript, python
Domain
compilers

Research direction

Start by reviewing the linked Python documentation on private variables and name mangling, then inspect how Transcrypt currently handles class members and mixins. No source files, tests, or entry points are named in the issue. Done would require an agreed implementation scope and tests demonstrating the expected mangling behavior in generated JavaScript.

Written by the indexing model from the issue text.

Description

IS: enhancement IS: exploratory

Sorry, I would expect that this probably documented but I just cannot find it:

https://docs.python.org/3/tutorial/classes.html?highlight=name%20mangling#private-variables

Short question: Is this supported in some way? Or are there plans to support it?

It seems to be such a core-feature of Python that I kind of feel stupid to ask, I would bet that it was decided to not implement that feature somewhere/somehow, but I cannot find a reference to that decision or if it even was made?

To me this would be a very awesome feature, because it is for me the feature that avoids naming collisions in classes for something like Class-Mixins. I am reviving an old project of mine which consists converting an old piece of Python code to a web-capable implementation, and this would make those conversion efforts a LOT more convenient.

Dominant language
Python
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