for stack

gimme auth

def authenticate(request):
	# STEP 1: Generate a request token
	post_url = '/auth/reqtoken'
	params = urllib.urlencode({'client_id': client_id, 'client_secret':client_secret, 'type':'app'})
	data = urllib2.urlopen('%s%s' % (base_url, post_url), params).read()
	data = json.loads(data)
	token = data['request_token']
	print "here is the token"
	url = "https://gimmebar.com/authorize?client_id="+client_id+"&token="+token+"&response_type=code"
	updates = {'url': url, 'token':token}
	# STEP 2:
	return HttpResponse(json.dumps(updates), mimetype="application/json")

def exchange(request):
	token = request.GET.get('token', '')
	# STEP 3: Exchange the request token for an authorization token when the user returns
	post_url = '/auth/exchange/request'
	params = urllib.urlencode({'client_id': client_id, 'token':token, 'response_type':'code'})
	data = urllib2.urlopen('%s%s' % (base_url, post_url), params).read()
	data = json.loads(data)
	code = data['code']
	# STEP 4: Exchange the authorization token for an access token
	post_url = '/auth/exchange/authorization'
	params = urllib.urlencode({'code': code,'grant_type':'authorization_code'})
	data = urllib2.urlopen('%s%s' % (base_url, post_url), params).read()
	data = json.loads(data)
	access_token = data['access_token']
	# STEP 5: Use the access token to authenticate with the API and retrieve user data
	post_url = '/tags'
	headers = {'Authorization': 'Bearer %s' % access_token}
	query = '/collections'
	req = urllib2.Request('%s%s%s' % (base_url, post_url, query), headers=headers)
	response = urllib2.urlopen(req)
	the_page = response.read()
	return render_to_response('graphs/exchange.html',context_instance=RequestContext(request))