Thanks, now it works.

Man, seems like learning this stuff would be a lot easier *if I had already
learned it*. Then spotting/fixing these book errors would be a breeze.




On Tue, Aug 20, 2013 at 1:46 PM, Alex <[email protected]> wrote:

> seems like
> import re
> is missing at beginning of function.
>
> Alex
>
> Am Dienstag, 20. August 2013 18:47:29 UTC+2 schrieb REM:
>
>> There appears to be another error in the 5th Edition Web2Py book in
>> Chapter 7 on P.369.
>>
>> The issue is with the following code block:
>>
>> def list_records():
>>     REGEX = re.compile('^(\w+).(\w+).(\w+)**\=\=(\d+)$')
>>     match = REGEX.match(request.vars.query**)
>>     if not match:
>>         redirect(URL('error'))
>>     table, field, id = match.group(2), match.group(3), match.group(4)
>>     records = db(db[table][field]==id).selec**t()
>>     return dict(records=records)
>>
>> When the related action is run, we get the following error:
>>
>> *<type 'exceptions.NameError'> global name 're' is not defined
>> *
>> And referring to line 2 of the above function as being the source of the
>> issue:
>>
>> REGEX = re.compile('^(\w+).(\w+).(\w+)**\=\=(\d+)$')
>>
>> So, my question is: with what do we replace the "re" in the problem line?
>>
>>
>>
>> Many thanks!
>>
>>
>>
>>
>>  --
>
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