That is an excellent clue. Try changing
logging.info('Got answer, value is: %d', number.ans)
to:
logging.info('Got answer, value is: %s', str(number.ans))
Also, just noticed one other thing. Instead of 'if number is not
None', in Python you can do 'if number' -- much nicer.
On Thu, Aug 18, 2011 at 16:16, Matt <[email protected]> wrote:
> It doesn't look like it. This is the log
>
> INFO 2011-08-18 20:08:48,221 index.py:30] Wrote answer, key is
> agxkZXZ-bnVtZ3Vlc3NyDAsSBkFuc3dlchhWDA
> Traceback (most recent call last):
> File "C:\Python25\lib\logging\__init__.py", line 744, in emit
> msg = self.format(record)
> File "C:\Python25\lib\logging\__init__.py", line 630, in format
> return fmt.format(record)
> File "C:\Python25\lib\logging\__init__.py", line 418, in format
> record.message = record.getMessage()
> File "C:\Python25\lib\logging\__init__.py", line 288, in getMessage
> msg = msg % self.args
> TypeError: int argument required
> INFO 2011-08-18 20:08:48,299 dev_appserver.py:4247] "POST / HTTP/
> 1.1" 200 -
> INFO 2011-08-18 20:08:48,456 dev_appserver.py:4247] "GET /
> numguess.css HTTP/1.1" 200 -
>
>
> If that means anything I see a TypeError... maybe that's what is
> stopping the random number entity to be pulled back out?
>
> Thanks again for the help.
>
> On Aug 18, 11:07 am, Robert Kluin <[email protected]> wrote:
>> Hey Matt,
>> Yeah there was a typo in my same code, should not have been:
>> logging.info('Wrote answer, key is: %s', str(answer.key()))
>> but rather:
>> logging.info('Wrote answer, key is: %s', str(answer))
>>
>> What that is telling you is that an answer entity was successfully
>> written. So, now you know that the entity is getting written, what is
>> the next logging line? Are you getting an entity back from the
>> datastore?
>>
>> Robert
>>
>>
>>
>>
>>
>>
>>
>> On Thu, Aug 18, 2011 at 12:33, Matt <[email protected]> wrote:
>> > Thanks for the heads up on logging.
>>
>> > I tried the logging but don't know if I did it right. For the first
>> > logging part in the code, I put:
>> > logging.info('Wrote answer, key is: %s', str(answer.key()))
>> > and it gave me this in the browser:
>> > AttributeError: 'Key' object has no attribute 'key'
>>
>> > I tried replacing key with ans but that gave the same error type.
>> > When I just put:
>> > logging.info('Wrote answer, key is: %s', str(answer))
>> > the log file comes with this:
>> > Wrote answer, key is agxkZXZ-bnVtZ3Vlc3NyDAsSBkFuc3dlchhUDA
>>
>> > Am I doing something wrong or does this info mean anything? I honestly
>> > don't know what to make of it or what to change to get the random
>> > number in/out.. I feel like I am following what the docs say though.
>>
>> > On Aug 17, 10:19 pm, Robert Kluin <[email protected]> wrote:
>> >> Hi,
>> >> You should check out the Python logging package, it is super handy.
>> >> Add some logging calls to your code so you can see what is happening.
>> >> For example:
>>
>> >> import logging
>>
>> >> def post(self):
>> >> stguess = self.request.get('guess')
>> >> if stguess == 'new':
>> >> answer = Answer(ans = (random.randint(1, 100))).put()
>> >> logging.info('Wrote answer, key is: %s', str(answer.key()))
>> >> number = Answer.all().get()
>> >> if number is not None:
>> >> logging.info('Got answer, value is: %d', number.ans)
>> >> answer = number.ans
>> >> else:
>> >> logging.info('Oh No! Got no answer!')
>> >> answer = None
>> >> else:
>> >> logging.info('Doing nothing.')
>>
>> >> Robert
>>
>> >> On Wed, Aug 17, 2011 at 17:33, Matt <[email protected]> wrote:
>> >> > I am trying to pull an integer from the datastore but I keep getting
>> >> > None back. I store the integers here-
>>
>> >> > class Answer(db.Model):
>> >> > ans = db.IntegerProperty()
>>
>> >> > As a test I did this -
>>
>> >> > def post(self):
>>
>> >> > stguess = self.request.get('guess')
>> >> > if stguess == 'new':
>> >> > answer = Answer(ans = (random.randint(1, 100))).put()
>> >> > number = Answer.all().get()
>> >> > if number is not None:
>> >> > answer = number.ans
>> >> > else:
>> >> > answer = None
>> >> > msg = str(answer)
>>
>> >> > So what that does is take user input from the user and if they entered
>> >> > 'new' follow the if path. ans equals a random integer between 1 and
>> >> > 100. Put it in Answer. Then immediately after, pull the first integer
>> >> > from Answer. If it is not None assign the variable answer to the
>> >> > result, else assign it to None. msg is displayed on screen. Instead of
>> >> > a random number which I am expecting to be displayed, None is
>> >> > displayed instead.
>>
>> >> > I also tried using count to see how many items were actually in the
>> >> > database and the count was more than 0.
>>
>> >> > Is there anything wrong with how I am putting or retrieving from the
>> >> > datastore? How can I change this so I get the random number into the
>> >> > answer variable, not None?
>>
>> >> > Thanks for any help
>>
>> >> > --
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