On Sun, 19 Jun 2011 23:06:36 +0200, Vito 'ZeD' De Tullio wrote:
> well, in python3 you can use dict to format strings
>
>>>> print("%(a)s" % {'a':'b'})
> b
It's not just Python 3. That bit of functionality goes back all the way
to Python 1.5, which is the oldest version I have installed.
In Python 2.6 on up, you can also use the new format() method on strings:
>>> '{a}'.format(a='spam')
'spam'
> and you can achieve php interpolation via locals()
>
>>>> a = 'b'
>>>> print("%(a)s" % locals())
> b
You can do that, but when reading code I consider any direct use of
locals() (and globals() for that matter) to be a code smell: not
necessarily wrong in and of itself, but unusual and suspicious enough to
be worth a second, careful, look. As such, I would want to think long and
hard before inflicting it on others by using it myself.
For those unfamiliar with the idea of code smells:
http://www.joelonsoftware.com/articles/Wrong.html
--
Steven
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