2011/1/31 Remco <[email protected]>:
>> You can do it like this:
>>
>> $cond('email' in tvars, "value=" + tvars['email])
>>
>> You need to add web.cond to template globals to be able to do this.
>>
>> Anand
>
> Thanks for your reply Anand,
> however your suggestion does not work!
> When 'email' is not set in tvars, a KeyError is thrown by Python
> because it needs the tvars['email'] as a function argument.
How about this?
$cond('email' in tvars, "value=" + tvars.get('email', ''))
If you are using Python 2.5+, use can use:
$("value=" + tvars['email'] if 'email' in tvars else None)
Anand
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