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Author ke265379ke
Recipients ke265379ke
Date 2020-12-25.03:23:11
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1608866591.42.0.709266826628.issue42733@roundup.psfhosted.org>
In-reply-to
Content 
happen at io's reading & updating(r+) mode
after read,
file object's postion stay in last if you remove whole content ( truncate(0) ),
postion wil not back to 0 still stay in the last
then you start writing from last position(not 0)
that's why problem happen

test case can check here https://github.com/841020/open_source
History
Date User Action Args
2020-12-25 03:23:11ke265379kesetrecipients: + ke265379ke
2020-12-25 03:23:11ke265379kesetmessageid: <1608866591.42.0.709266826628.issue42733@roundup.psfhosted.org>
2020-12-25 03:23:11ke265379kelinkissue42733 messages
2020-12-25 03:23:11ke265379kecreate