Steven D'Aprano steve+comp.lang.pyt...@pearwood.info via python.org
8:56 PM (12 hours ago) wrote:
> Write a helper function:
>
> def process(opener):
> with opener('blah.txt', 'rb') as f:
> for line in f:
> print(line)
As another option, you can enter the context manager af
On 20/11/2013 00:30, Victor Hooi wrote:
Hi,
Is either approach (try-excepts, or using libmagic) considered more idiomatic?
What would you guys prefer yourselves?
Also, is it possible to use either approach with a context manager ("with"),
without duplicating lots of code?
For example:
try:
On Tue, 19 Nov 2013 16:30:46 -0800, Victor Hooi wrote:
> Hi,
>
> Is either approach (try-excepts, or using libmagic) considered more
> idiomatic? What would you guys prefer yourselves?
Specifically in the case of file types, I consider it better to use
libmagic. But as a general technique, usin
Hi,
Is either approach (try-excepts, or using libmagic) considered more idiomatic?
What would you guys prefer yourselves?
Also, is it possible to use either approach with a context manager ("with"),
without duplicating lots of code?
For example:
try:
with gzip.open('blah.txt', 'rb') a
On 19/11/2013 07:13, Victor Hooi wrote:
So basically, using exception handling for flow-control.
However, is that considered bad practice, or un-Pythonic?
If it works for you use it, practicality beats purity :)
--
Python is the second best programming language in the world.
But the best ha
On Tue, Nov 19, 2013 at 5:13 PM, Victor Hooi wrote:
> Hi,
>
> I have a script that needs to handle input files of different types
> (uncompressed, gzipped etc.).
>
> My question is regarding how I should handle the different cases.
>
> My first thought was to use a try-catch block and attempt to
On Tue, Nov 19, 2013 at 6:13 PM, Victor Hooi wrote:
> My first thought was to use a try-catch block and attempt to open it using
> the most common filetype, then if that failed, try the next most common type
> etc. before finally erroring out.
>
> So basically, using exception handling for flow-
Hi,
I have a script that needs to handle input files of different types
(uncompressed, gzipped etc.).
My question is regarding how I should handle the different cases.
My first thought was to use a try-catch block and attempt to open it using the
most common filetype, then if that failed, try