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gh-74929: PEP 667 general docs update (gh-119201)

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* expand on What's New entry for PEP 667 (including porting notes)
* define 'optimized scope' as a glossary term
* cover comprehensions and generator expressions in locals() docs
* review all mentions of "locals" in documentation (updating if needed)
* review all mentions of "f_locals" in documentation (updating if needed)
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Alyssa Coghlan 2024-05-21 13:32:15 +10:00 • committed by GitHub
parent 538ed5e481
commit e870c852c0
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11 changed files with 162 additions and 65 deletions
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8
Lib/code.py
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@ -25,10 +25,10 @@ class InteractiveInterpreter:
def __init__(self, locals=None):
"""Constructor.
The optional 'locals' argument specifies the dictionary in
which code will be executed; it defaults to a newly created
dictionary with key "__name__" set to "__console__" and key
"__doc__" set to None.
The optional 'locals' argument specifies a mapping to use as the
namespace in which code will be executed; it defaults to a newly
created dictionary with key "__name__" set to "__console__" and
key "__doc__" set to None.
"""
if locals is None:

9
Lib/pdb.py
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@ -392,9 +392,12 @@ class Pdb(bdb.Bdb, cmd.Cmd):
self.tb_lineno[tb.tb_frame] = lineno
tb = tb.tb_next
self.curframe = self.stack[self.curindex][0]
# The f_locals dictionary is updated from the actual frame
# locals whenever the .f_locals accessor is called, so we
# cache it here to ensure that modifications are not overwritten.
# The f_locals dictionary used to be updated from the actual frame
# locals whenever the .f_locals accessor was called, so it was
# cached here to ensure that modifications were not overwritten. While
# the caching is no longer required now that f_locals is a direct proxy
# on optimized frames, it's also harmless, so the code structure has
# been left unchanged.
self.curframe_locals = self.curframe.f_locals
self.set_convenience_variable(self.curframe, '_frame', self.curframe)