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Commit9e218af

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miss-islingtonstefanorYhg1s
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[3.13] Support the "pager" binary in _pyrepl (GH-122878) (#124242)
Support the "pager" binary in _pyrepl (GH-122878)Debian (and derivatives) provide a /usr/bin/pager binary, managed by thealternatives system, that always points to an available pager utility.Allow _pyrepl to use it, to follow system policy.This is a very trivial change, from a patch that Debian has beencarrying since 2.7 era. Seems appropriate to upstream.https://bugs.debian.org/799555(cherry picked from commit426569e)Co-authored-by: Stefano Rivera <stefano@rivera.za.net>Co-authored-by: T. Wouters <thomas@python.org>
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‎Lib/_pyrepl/pager.py‎

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@@ -36,6 +36,8 @@ def get_pager() -> Pager:
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returnplain_pager
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ifsys.platform=='win32':
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returnlambdatext,title='':tempfile_pager(plain(text),'more <')
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ifhasattr(os,'system')andos.system('(pager) 2>/dev/null')==0:
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returnlambdatext,title='':pipe_pager(text,'pager',title)
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ifhasattr(os,'system')andos.system('(less) 2>/dev/null')==0:
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returnlambdatext,title='':pipe_pager(text,'less',title)
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Use the ``pager`` binary, if available (e.g. on Debian and derivatives), to display REPL ``help()``.

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