[issue16397] UserString doesn't combine nicely with strings

[Phillip Schanely]

Change by Phillip Schanely :


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nosy: +pschanely

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[issue16397] UserString doesn't combine nicely with strings

[Terry J. Reedy]

Changes by Terry J. Reedy :


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resolution:  -> works for me
stage:  -> committed/rejected

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[issue16397] UserString doesn't combine nicely with strings

[Jorge Cardona]

Jorge Cardona added the comment:

Hi, this can be closed. 

Thanks.

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status: open -> closed

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[issue16397] UserString doesn't combine nicely with strings

[Terry J. Reedy]

Terry J. Reedy added the comment:

Jorge, can we close this or do you still have a specific suggestion.
Also, if you reply by mail, please snip previous messages as they are already 
posted.

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nosy: +terry.reedy
type: behavior -> enhancement

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[issue16397] UserString doesn't combine nicely with strings

[Jorge Cardona]

Jorge Cardona added the comment:

mm, I thought that was impossible, and that I should be using UserString
actually. I didn't notice the big warning at the beginning of the section
at the docs.

Sorry, I will change my code.

Thanks.

On Sat, Nov 3, 2012 at 2:33 PM, Martin v. Löwis wrote:

>
> Martin v. Löwis added the comment:
>
> If you want a class that behaves like a string object, you should subclass
> from str.
>
> --
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-- 
Jorge Eduardo Cardona

jorgeecard...@gmail.com
jo...@cardona.co

cardona.co
github.com/jorgeecardona

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[issue16397] UserString doesn't combine nicely with strings

[Martin v . Löwis]

Martin v. Löwis added the comment:

If you want a class that behaves like a string object, you should subclass from 
str.

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[issue16397] UserString doesn't combine nicely with strings

[Martin v . Löwis]

Martin v. Löwis added the comment:

This is not a bug, but a potential new feature. Therefore, it can go only into 
3.4 (if at all).

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nosy: +loewis
versions:  -Python 2.7, Python 3.2, Python 3.3

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[issue16397] UserString doesn't combine nicely with strings

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


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components: +Library (Lib)
nosy: +rhettinger
versions: +Python 3.3, Python 3.4

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[issue16397] UserString doesn't combine nicely with strings

[Jorge Cardona]

New submission from Jorge Cardona:

Hi,

I think UserString must play nicely with other standard objects to be useful. 
For example, right now is not possible to join a list of UserString with a 
string. 

This shouldn't fail:

   from UserString import UserString
   '.'.join([UserString('some')])

but it fails in 2.7 and it fails too with 3.2 (replacing with collections).

I'm assuming most of the user of UserString, use it as a replacement of a 
string, and it would be great to actually be able to replace strings passed to 
thid parties with userstrings. 

I imagine there would be some edge situations harder to resolve, but if someone 
is just using standard libraries it should be safe to pass a string or an 
userstring.

Bye.

--
messages: 174658
nosy: Jorge.Cardona
priority: normal
severity: normal
status: open
title: UserString doesn't combine nicely with strings
type: behavior
versions: Python 2.7, Python 3.2

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