Add request based client

etsy/_core.py

@@ -300,6 +300,10 @@ class API(object):
                     fields.append((name, str(value)))
 
             content_type, body = encode_multipart_formdata(fields, files)
+        else:
+            url = '%s%s' % (self.api_url, url)
+            body = urlencode(kwargs)
+            content_type = 'application/x-www-form-urlencoded'
 
         self.last_url = url
         data = self._get_url(url, http_method, content_type, body)

etsy/request_oauth.py

+from etsy import EtsyEnvProduction
+from requests_oauthlib import OAuth1Session
+
+
+class EtsyOAuthClient(OAuth1Session):
+    def __init__(self, oauth_consumer_key,
+                 oauth_consumer_secret, etsy_env=EtsyEnvProduction()):
+        super(EtsyOAuthClient, self).__init__(
+            oauth_consumer_key, oauth_consumer_secret)
+        self.request_token_url = etsy_env.request_token_url
+        self.access_token_url = etsy_env.access_token_url
+        self.signin_url = etsy_env.signin_url
+
+    def get_signin_url(self, **kwargs):
+        self.fetch_request_token(self.request_token_url)
+        return self.authorization_url(self.signin_url)
+
+    def set_oauth_verifier(self, oauth_verifier):
+        token = self.fetch_access_token(
+            self.access_token_url, verifier=unicode(oauth_verifier))
+        self.resource_owner_key = token['oauth_token']
+        self.resource_owner_secret = token['oauth_token_secret']
+
+    def do_oauth_request(self, url, http_method, content_type, body):
+        headers = {}
+        if content_type:
+            headers = {'Content-Type': content_type}
+        return self.request(http_method, url, headers=headers, data=body).text

setup.py

@@ -9,6 +9,8 @@ requirements = [
     'httplib2',
     'oauth2==1.9.0.post1',
     'simplejson',
+    'requests',
+    'requests_oauthlib',
 ]
 
 test_requirements = [