sopr_oauth2.py

import urllib
import requests


client_id = '...'
client_secret = '...'
site = 'https://sopr.herokuapp.com'
redirect_uri = '...'

oauth_params = {
    'redirect_uri': redirect_uri,
    'client_id': client_id,
    'response_type': 'code'
}

# 1. Redirect user to authorization URL
authorize_url = "{}/oauth/authorize?{}".format(
    site, urllib.urlencode(oauth_params))

print authorize_url

# and get code query string after user is redirected to redirect_uri
code = "..."

# 2. Get Access token using code from step 1
data = {
    'client_id': client_id,
    'client_secret': client_secret,
    'redirect_uri': redirect_uri,
    'grant_type': 'authorization_code',
    'code': code
}

response = requests.post("{}/oauth/token".format(site), data=data)
access_token = response.content['access_token']
print access_token

# 3. Use access token as parameter when calling API endpoint
params = {
    'access_token': access_token
}

profile = requests.get("{}/api/v1/me.json".format(site), params=params).json()
print profile

sopr_oauth2.rb

require 'oauth2'

client_id = '...'
client_secret = '...'
redirect_uri = '...' # your client's redirect uri
base_url = "http://startupsofpuertorico.com"

client = OAuth2::Client.new(client_id, client_secret, :site => base_url)

client.auth_code.authorize_url(:redirect_uri => redirect_uri)
# => http://startupsofpuertorico.com/oauth/authorize?response_type=code&client_id=...&redirect_uri=...

code = "..." # code you got in the redirect uri
token = client.auth_code.get_token(code, :redirect_uri => redirect_uri)
# => <#OAuth2::AccessToken ...>

response = token.get('/api/v1/me.json')
JSON.parse(response.body)
# => { "username": "something", ... }