[Zope-CMF] Problem with Example in The Zope Book

Tue, 2 Jul 2002 21:16:51 +0200

mcolli@SyscomCipher.com.ar writes:
 > I am following the Zope Book and I am trying to reproduce an example using
 > two Page Templates and a Python Script and I get the following error:
 > 
 > ====================================
 > Zope Error
 > Zope has encountered an error while publishing this resource.
 > 
 > Error Type: Undefined
 > Error Value: years not found in 'years', at line 4, column 1
 > ...
 > 
 > interestRateForm:
 > 
 > <html>
 > <body>
 > <form action="interestRateDisplay" method="POST">
 > <p> Please enter the following information:</p>
 > Your current balance (or debt): <input name="principal:float"><br>
 > Your annual interest rate: <input name="interest_rate:float"><br>
 > Number of periods in a year: <input name="periods:int"><br>
 > Number of years: <input name="years:int"><br>
 > <input type="submit" value=" Calculate " ><br>
 > </form>
 > </body>
 > </html>

 > ...

 > and interestRateDisplay:
 > ===========================
 > 
 > <html>
 >   <body>
 >   <p>Your total balance (or debt) including compounded interest over
 > <span tal:content="years">2</span> years is:</p>
 > <p><b>$<span tal:content="python: here.calculateCompoundingInterest
 > (principal, interest_rate, periods, years)" >1.00</span></b></p>
 >   </body>
 > </html>
I do not understand it either...

  Use "<div tal:content="structure request"/> in "interestRateDisplay"
  to analyse what the request really contains. Maybe a typo...

Dieter