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Groups > comp.lang.python > #45068
| Date | 2013-05-10 09:29 +1000 |
|---|---|
| From | Cameron Simpson <cs@zip.com.au> |
| Subject | Re: object.enable() anti-pattern |
| References | <518C29AD.7070302@canterbury.ac.nz> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1513.1368144164.3114.python-list@python.org> (permalink) |
On 10May2013 10:56, Greg Ewing <greg.ewing@canterbury.ac.nz> wrote: | Cameron Simpson wrote: | >You open a file with "0" modes, so | >that it is _immediately_ not writable. Other attempts to make the | >lock file thus fail because of the lack of write, | | I don't think that's quite right. You open it with | O_CREAT+O_EXCL, which atomically fails if the file | already exists. The read/write modes don't really | come into it, as far as I know. Interesting. That is more direct. My understanding that it was enough to create the file with 0 modes. Maybe either will do. Must check... Cheers, -- Cameron Simpson <cs@zip.com.au> Piracy gets easier every day, but listening to legally purchased music gets harder by the day. Firehed - http://politics.slashdot.org/comments.pl?sid=179175&cid=14846089
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Re: object.enable() anti-pattern Cameron Simpson <cs@zip.com.au> - 2013-05-10 09:29 +1000
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