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Support the "pager" binary in _pyrepl #122878

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Merged
merged 4 commits into from
Sep 19, 2024
Merged

Support the "pager" binary in _pyrepl #122878

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2e04f86
Support the "pager" binary in _pyrepl
stefanor Aug 10, 2024
eaf8ae0
NEWS.d entry
stefanor Sep 19, 2024
d57c91c
Update Misc/NEWS.d/next/Core_and_Builtins/2024-09-19-13-17-31.gh-issu…
vstinner Sep 19, 2024
1f824a2
Update Misc/NEWS.d/next/Core_and_Builtins/2024-09-19-13-17-31.gh-issu…
vstinner Sep 19, 2024
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2 changes: 2 additions & 0 deletions Lib/_pyrepl/pager.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ def get_pager() -> Pager:
return plain_pager
if sys.platform == 'win32':
return lambda text, title='': tempfile_pager(plain(text), 'more <')
if hasattr(os, 'system') and os.system('(pager) 2>/dev/null') == 0:
return lambda text, title='': pipe_pager(text, 'pager', title)
if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
return lambda text, title='': pipe_pager(text, 'less', title)

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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Core_and_Builtins/2024-09-19-13-17-31.gh-issue-122878.4iFpsB.rst
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@@ -0,0 +1 @@
Use the `pager` binary on Debian and derivatives, to display REPL `help()`.
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