"%(a)s ... %(b)s" % {'a': foo, 'b': '%(b)s'}

[D'Arcy J.M. Cain]

Gerrit Holl <gerrit.holl at pobox.com> wrote:
> MAIL = '''From: someone <%(email)s>
> Subject: test

> this is feedback.py %(version)
> ''' % {'version': __version__}

> This raises a KeyError. I have to type:
> ... % {'version': __version__, 'email': '%(email)s'}

> This is ugly! Isn't there a better way to fill in just SOME of the %(...)s
> values in a string and leave the rest as is?

You mean like this?

MAIL = '''From: someone <%%(email)s>
Subject: test

this is feedback.py %(version)
''' % {'version': __version__}

-- 
D'Arcy J.M. Cain <darcy at vex.net>           |  Democracy is three wolves
http://www.vex.net/                        |  and a sheep voting on         
+1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.