Add "__main__" as inferred value for __name__

[jacobtylerwalls]

Type of Changes

	Type
✓	✨ New feature

Description

Closes #2071

[codecov]

Codecov Report

Merging #2345 (8bd53f0) into main (dc13d5b) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2345   +/-   ##
=======================================
  Coverage   92.86%   92.86%           
=======================================
  Files          94       94           
  Lines       11070    11072    +2     
=======================================
+ Hits        10280    10282    +2     
  Misses        790      790           

Flag	Coverage Δ
linux	92.67% <100.00%> (+<0.01%)	⬆️
pypy	91.00% <100.00%> (+<0.01%)	⬆️
windows	92.45% <100.00%> (+<0.01%)	⬆️

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Files	Coverage Δ
astroid/nodes/scoped_nodes/scoped_nodes.py	92.50% <100.00%> (+0.01%)	⬆️

[nickdrozd]

This change causes an error for me:

Traceback (most recent call last):
  File "/home/nick/pylint/pylint/utils/ast_walker.py", line 91, in walk
    callback(astroid)
  File "/home/nick/pylint/pylint/checkers/variables.py", line 1642, in visit_name
    self._loopvar_name(node)
  File "/home/nick/pylint/pylint/checkers/variables.py", line 2550, in _loopvar_name
    if astmts[i].statement().parent_of(stmt) and not utils.in_for_else_branch(
       ^^^^^^^^^^^^^^^^^^^^^
  File "/home/nick/astroid/astroid/nodes/node_ng.py", line 296, in statement
    return self.parent.statement()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/nick/astroid/astroid/nodes/scoped_nodes/scoped_nodes.py", line 414, in statement
    raise StatementMissing(target=self)
astroid.exceptions.StatementMissing: Statement not found on <Module.perf.reason l.0 at 0x7f47903a9a60>

This results in a cascade of garbage warnings.

[jacobtylerwalls]

There's a patch for the pylint variable checker that's not in yet. I can push it up if you'd like to test with it.