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[3.9] bpo-41193: Ignore OSError in readline write_history() (GH-21279) #21280

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Merged
merged 1 commit into from
Jul 2, 2020
Merged

[3.9] bpo-41193: Ignore OSError in readline write_history() (GH-21279) #21280

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6 changes: 3 additions & 3 deletions Lib/site.py
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Original file line number Diff line number Diff line change
Expand Up @@ -453,9 +453,9 @@ def register_readline():
def write_history():
try:
readline.write_history_file(history)
except (FileNotFoundError, PermissionError):
# home directory does not exist or is not writable
# https://bugs.python.org/issue19891
except OSError:
# bpo-19891, bpo-41193: Home directory does not exist
# or is not writable, or the filesystem is read-only.
pass

atexit.register(write_history)
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4 changes: 4 additions & 0 deletions Misc/NEWS.d/next/Library/2020-07-02-11-53-45.bpo-41193.8-Tnql.rst
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@@ -0,0 +1,4 @@
The ``write_history()`` atexit function of the readline completer now
ignores any :exc:`OSError` to ignore error if the filesystem is read-only,
instead of only ignoring :exc:`FileNotFoundError` and
:exc:`PermissionError`.