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From: Andrey <ahippo@yandex.ru>
To: Philip McGraw <philip.mcgraw@bentley.com>
Cc: "git@vger.kernel.org" <git@vger.kernel.org>,
	"luke@diamand.org" <luke@diamand.org>
Subject: Re: [PATCH] git-p4: close temporary file before removing
Date: Wed, 31 Jul 2019 10:09:16 -0400	[thread overview]
Message-ID: <2835251564582156@myt6-4218ece6190d.qloud-c.yandex.net> (raw)
In-Reply-To: <BL0PR1901MB2097EA8851C2743D46210D38FFDF0@BL0PR1901MB2097.namprd19.prod.outlook.com>



31.07.2019, 09:53, "Philip McGraw" <philip.mcgraw@bentley.com>:
>>  30.07.2019, 13:37, "Philip McGraw" <philip.mcgraw@bentley.com>:
>>  > python os.remove() throws exceptions on Windows platform when attempting
>>  > to remove file while it is still open. Need to grab filename while file open,
>>  > close file handle, then remove by name. Apparently other platforms are more
>>  > permissive of removing files while busy.
>>  > reference: https://docs.python.org/3/library/os.html#os.remove
>>  > ---
>>  >  git-p4.py | 4 +++-
>>  >  1 file changed, 3 insertions(+), 1 deletion(-)
>>  >
>>  > diff --git a/git-p4.py b/git-p4.py
>>  > index c71a6832e2..6b9d2a8317 100755
>>  > --- a/git-p4.py
>>  > +++ b/git-p4.py
>>  > @@ -1161,12 +1161,14 @@ def exceedsLargeFileThreshold(self, relPath, contents):
>>  >                  return False
>>  >              contentTempFile = self.generateTempFile(contents)
>>  >              compressedContentFile = tempfile.NamedTemporaryFile(prefix='git-p4-large-file', delete=False)
>>  > + compressedContentFileName = compressedContentFile.name
>>  >              zf = zipfile.ZipFile(compressedContentFile.name, mode='w')
>>  >              zf.write(contentTempFile, compress_type=zipfile.ZIP_DEFLATED)
>>  >              zf.close()
>>  >              compressedContentsSize = zf.infolist()[0].compress_size
>>  >              os.remove(contentTempFile)
>>  > - os.remove(compressedContentFile.name)
>>  > + compressedContentFile.close()
>>  > + os.remove(compressedContentFileName)
>>
>>  I'm not sure why NamedTemporaryFile() is called with delete=False above,
>>  but it appears to me that it can have delete=True instead,
>>  so that there is no need to call os.remove() explicitly
>>  and thus worry about remove vs close ordering at all.
>>
>>  >              if compressedContentsSize > gitConfigInt('git-p4.largeFileCompressedThreshold'):
>>  >                  return True
>>  >          return False
>>  > --
>>  > 2.21.0.windows.1
>>
>>  Thank you,
>>  Andrey.
>
> Thanks Andrey; simpler is certainly better! I will test and re-submit v2 of patch with that approach.

Thank you, that would be great!

-- 
Andrey.


  reply	other threads:[~2019-07-31 14:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-30 17:37 Philip McGraw
2019-07-31  1:48 ` Andrey
2019-07-31 13:53   ` Philip McGraw
2019-07-31 14:09     ` Andrey [this message]
2019-07-31 21:51       ` Philip McGraw
2019-08-01  1:34         ` Andrey
2019-08-01 15:30           ` Philip McGraw
2019-08-02  3:50             ` Andrey

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