I am reaching similar conclusions as David (I am @kidneybingos on that
Twitter dev thread). I have tried lots of punctuation characters, and most
succeed, but the following always cause errors:
' (apostrophe)
!
*
(
)
My conclusion is similarly that urlfetch is encoding something different as
of a week ago. I, like others in the thread, had been running the exact
same code with 100% success prior to then, and had been issuing these API
calls hundreds of times per day for a few years.
On Wednesday, April 29, 2015 at 10:44:01 AM UTC-5, David Fischer wrote:
>
> I'm seeing the same problem on Appengine production (and not with
> dev_appserver) and I'm using the same Twitter library. However, I was
> seeing some tweets succeeding and some failures. After another user in the
> Twitter Dev forum posted, I looked at the content of the tweets. The
> failing tweets all contained the "!" character. After removing that
> character from tweets, I'm seeing a 100% success rate.
>
> My working theory is that urlfetch is somehow changing how parameters are
> escaped and that's causing the HMAC in Twitter's Oauth to be rejected.
>
>
>
> On Wednesday, April 29, 2015 at 7:36:17 AM UTC-7, Ryan Barrett wrote:
>>
>> hi all! a number of us have started seeing twitter API errors in prod GAE
>> in the last week or so. write calls and some search calls are returning
>> HTTP 401 {"errors":[{"code":32,"message":"Could not authenticate you."}]}
>> for all users with no code changes on our end. the particularly odd part is
>> that the same calls with the same code, twitter app key/secret, and even
>> *the
>> exact same user access token key/secret* work fine in dev_appserver.
>>
>> we're on python and mostly using tweepy. our current theory is that
>> twitter has blacklisted or graylisted app engine's external facing IPs. can
>> you think of any other ideas?
>>
>> more details in this twitter dev forum post.
>> <https://twittercommunity.com/t/post-to-statuses-update-json-started-hitting-error-32-could-not-authenticate-you-with-no-code-changes/36495>
>>
>> thanks in advance!
>>
>
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