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Groups > comp.lang.python > #107789
| From | Grant Edwards <grant.b.edwards@gmail.com> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Why does pathlib not have is_readable() & things like that? |
| Date | 2016-04-28 13:34 +0000 |
| Message-ID | <mailman.188.1461850479.32212.python-list@python.org> (permalink) |
| References | <6474vcx0q6.ln2@news.ducksburg.com> <1461679044.2467938.590028273.4DEA02AA@webmail.messagingengine.com> <mailman.106.1461679046.32212.python-list@python.org> <r8e9vcxf2a.ln2@news.ducksburg.com> <nft3h7$pbt$1@ger.gmane.org> |
On 2016-04-28, Adam Funk <a24061@ducksburg.com> wrote:
> On 2016-04-26, Random832 wrote:
>
>> On Tue, Apr 26, 2016, at 09:30, Adam Funk wrote:
>>> I recently discovered pathlib in the Python 3 standard library, & find
>>> it very useful, but I'm a bit surprised that it doesn't offer things
>>> like is_readable() and is_writable. Is there a good reason for that?
>>
>> Well, one reason would be EAFP. Just try to open the file and see if it
>> gives you a PermissionError.
>
> I understand that in general, but the tool I'm working on here takes a
> command-line option to specify an output directory, & I'd rather not
> start processing the data (which involves GETting from a REST service,
> processing, and PUTting back modifications to the data) only to crash
> after the first batch because of a user error.
Then open the output file before you do the GET.
Or just do os.access("directory/where/you/want/to/open/a/file",os.W_OK)
--
Grant Edwards grant.b.edwards Yow! Jesus is my POSTMASTER
at GENERAL ...
gmail.com
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Why does pathlib not have is_readable() & things like that? Adam Funk <a24061@ducksburg.com> - 2016-04-26 14:30 +0100
Re: Why does pathlib not have is_readable() & things like that? Random832 <random832@fastmail.com> - 2016-04-26 09:57 -0400
Re: Why does pathlib not have is_readable() & things like that? Adam Funk <a24061@ducksburg.com> - 2016-04-28 14:02 +0100
Re: Why does pathlib not have is_readable() & things like that? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-04-28 16:24 +0300
Re: Why does pathlib not have is_readable() & things like that? Grant Edwards <grant.b.edwards@gmail.com> - 2016-04-28 13:34 +0000
Re: Why does pathlib not have is_readable() & things like that? Adam Funk <a24061@ducksburg.com> - 2016-04-29 10:49 +0100
Re: Why does pathlib not have is_readable() & things like that? Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-04-29 14:51 +0300
Re: Why does pathlib not have is_readable() & things like that? eryk sun <eryksun@gmail.com> - 2016-04-29 10:09 -0500
Re: Why does pathlib not have is_readable() & things like that? Grant Edwards <grant.b.edwards@gmail.com> - 2016-04-29 23:53 +0000
Re: Why does pathlib not have is_readable() & things like that? Steven D'Aprano <steve@pearwood.info> - 2016-04-27 01:46 +1000
Re: Why does pathlib not have is_readable() & things like that? Adam Funk <a24061@ducksburg.com> - 2016-04-28 13:57 +0100
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