Why does pathlib not have is_readable() & things like that?
Grant Edwards
grant.b.edwards at gmail.com
Thu Apr 28 09:34:31 EDT 2016
On 2016-04-28, Adam Funk <a24061 at 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 ...
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