[Zope] string formatting

Jeff Peterson jeff.peterson at crary.com
Fri Aug 13 14:03:54 EDT 2010

To be more flexible it should probably look more like this:

def inc(s):
    import string
    id, count = (s[:1], s[1:])
    count = string.zfill(str(int(count) + 1), len(count))
    return '%s%s' % (id, count)

That way even 'B00000006' would get incremented properly.

Jeffrey D Peterson
Crary Industries, Inc.

From: zope-bounces at zope.org [mailto:zope-bounces at zope.org] On Behalf Of Ebbe Kvist
Sent: Friday, August 13, 2010 11:17 AM
To: zope at zope.org
Subject: [Zope] string formatting

Hi all,

I want to process a variable, signum2, which is picked up from a MySQL database. The content of the variable is
The aim is to process this variable so the result will be
"B007" and it will then be saved as part of a new record in the database.
The core process is to increment the integer part of the variable "006" with 1.

I have successfully done this incrementation but I have not been able to create a new
correct content for the new varable new_xyz.

<dtml-call "REQUEST.set('signumfix2',signum2[1:4])">
<dtml-call "REQUEST.set('signumfix2', _.int(signumfix2)+1)">

How can I from here create the correct content of the new variable? I need to bring the "B" part
with me and then the incremented integer part formatted with two preceeding zeroes. Does anyone know?

Best regards,

Ebbe Kvist

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