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[2.7] bpo-36807: When saving a file in IDLE, call flush and fsync (GH… #13293

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Merged
terryjreedy merged 1 commit into from
May 13, 2019
Merged

[2.7] bpo-36807: When saving a file in IDLE, call flush and fsync (GH… #13293

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2 changes: 2 additions & 0 deletions Lib/idlelib/IOBinding.py
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Original file line number Diff line number Diff line change
Expand Up @@ -383,6 +383,8 @@ def writefile(self, filename):
try:
with open(filename, "wb") as f:
f.write(chars)
f.flush()
os.fsync(f.fileno())
return True
except IOError as msg:
tkMessageBox.showerror("I/O Error", str(msg),
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/IDLE/2019-05-05-16-27-53.bpo-13102.AGNWYJ.rst
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@@ -0,0 +1 @@
When saving a file, call os.fsync() so bits are flushed to e.g. USB drive.