python - Django OAuth2 invalid grant_type -

i using django oauth toolkit , create sign_up call - in return gives me response:

{   "username": "boban16",   "client_id": "sxfb8wod5qupdyp5c4pjjhxaqqfpvcw7fka3sumy",   "client_secret": "3nurebdpx9ccseevyohpxz76om0keoxfwk2rrqjnk5wvyua1tuf37sh0of473wcgej3tcmfln9kpnp9vkgepwxrarc6iimqi6y34pyvu7otlcxhjs2ssomsp2c0xnxra" } 

so, trying make call generate token using postman application - request looks this:

and response:

{   "error_description": "invalid credentials given.",   "error": "invalid_grant" } 

this code urls.py

urlpatterns = patterns('',     url(r'^sign_up/$', signup.as_view(), name="sign_up"),     url(r'^login/$', login.as_view(), name="login"),     url(r'^o/', include('oauth2_provider.urls', namespace='oauth2_provider')), ) 

this part settings.py

rest_framework = {     'default_authentication_classes': (         # 'rest_framework.authentication.basicauthentication',         'oauth2_provider.ext.rest_framework.oauth2authentication',     ),     'default_permission_classes': (         'rest_framework.permissions.allowany',     ), } 

i not sure problem , how can fix it. has advice how make work? lot!

------- update --------

i got response:

curl -v http://127.0.0.1:8000/o/token/ -x post -u "<client_id>:<client_secret>" -d "grant_type=client_credentials" 

and response:

* hostname not found in dns cache *   trying 127.0.0.1... * connected 127.0.0.1 (127.0.0.1) port 8000 (#0) * server auth using basic user 'jnbudguj44ndu49yeokhxu0zunfibpdesc8pvtqu' > post /o/token/ http/1.1 > authorization: basic sk5cvwrnvuo0ng5kdtq5ewvva0h4vtbavu5mswjwzevtqzhqvlrrvtpaqvnwz0xly3didxa2ajj2yljqakc1wlfzenpwwfzwqu5hchj0wwzvnniya2vpukezzw9vnlh5m0tsmenkogpwn3flt2xftenothztuk5vtzbkue5yngdorxdvrnb4udnkbhdxy0fqrkpiv0rmskjzynpmnjj5de5daefvm29rca== > user-agent: curl/7.37.1 > host: 127.0.0.1:8000 > accept: */* > content-length: 29 > content-type: application/x-www-form-urlencoded >  * upload sent off: 29 out of 29 bytes * http 1.0, assume close after body < http/1.0 401 unauthorized < date: sat, 13 jun 2015 16:14:19 gmt < server: wsgiserver/0.2 cpython/3.4.3 < content-type: application/json < cache-control: no-store < pragma: no-cache < x-frame-options: sameorigin <  * closing connection 0 {"error": "unauthorized_client"} 

as can see in response - got authorization token, says @ end - unauthorized client. okay or not? thanks!

i figured out problem.

there issue in post_save signal creating applications automatically.

def create_auth_client(sender, instance=none, created=false, **kwargs):     """     intended used receiver function `post_save` signal     on custom user model     creates client_id , client_secret authenticated users     """     if created:         application.objects.create(user=instance,                                    client_type=application.client_confidential,                                    authorization_grant_type=application.grant_client_credentials)  # todo post_save.connect(create_auth_client, sender=user) 

this correct solution. can use these calls sign_up / getting oauth2 token:

curl -x post -f "username=test1" -f "password=test1" http://127.0.0.1:8000/sign_up/  curl -x post -d "grant_type=client_credentials" -u "<client_id>:<client_secret>" http://127.0.0.1:8000/o/token/