Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #7120

Re: new string formatting with local variables

Show all headers | View raw

Chris Rebert <clp2@rebertia.com> writes:

> print "{solo} was captured by {jabba}".format(**locals()) # RIGHT

I tend to use ‘u"foo {bar} baz".format(**vars())’, since ‘vars’ can also
take the namespace of an object. I only need to remember one “give me
the namespace” function for formatting.

> You must use prefix-** in the call to unpack the mapping as keyword
> arguments. Note that using locals() like this isn't best-practice.

Who says so, and do you find their argument convincing? Do you have a
reference for that so we can see why?

-- 
 \       “If you write the word ‘monkey’ a million times, do you start |
  `\                      to think you're Shakespeare?” —Steven Wright |
_o__)                                                                  |
Ben Finney

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Re: new string formatting with local variables Chris Rebert <clp2@rebertia.com> - 2011-06-06 09:21 -0700
  Re: new string formatting with local variables Ben Finney <ben+python@benfinney.id.au> - 2011-06-07 10:11 +1000
    Re: new string formatting with local variables Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-06 18:31 -0600
    Re: new string formatting with local variables Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-06 18:38 -0600
    Re: new string formatting with local variables Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-07 03:57 +0000
      Re: new string formatting with local variables Ben Finney <ben+python@benfinney.id.au> - 2011-06-07 17:47 +1000

csiph-web