add client class

Author: Andy Harris

optimizely/__init__.py

@@ -3,9 +3,8 @@
 # Authors:
 # Andy Harris <andy.harris@optimizely.com>
 
-# configuration variables
-api_key = None
-api_base = 'https://www.optimizelyapis.com/experiment/v1/'
+# Client
+from optimizely.client import Client
 
 # Resources
 from optimizely.resource import Project, Experiment, Result, Variation, Goal, Audience

optimizely/api_requester.py

@@ -0,0 +1,55 @@
+import urlparse
+import requests
+
+from optimizely import error
+from optimizely import resource
+
+base = 'https://www.optimizelyapis.com/experiment/v1/'
+
+
+class Client(object):
+    ALLOWED_REQUESTS = ['get', 'post', 'put', 'delete']
+
+    def __init__(self, api_key, api_base=base):
+        self.api_key = api_key
+        self.api_base = api_base
+
+        self.Project = resource.ResourceGenerator(client=self, resource=resource.Project)
+        self.Experiment = resource.ResourceGenerator(client=self, resource=resource.Experiment)
+        self.Variation = resource.ResourceGenerator(client=self, resource=resource.Variation)
+        self.Goal = resource.ResourceGenerator(client=self, resource=resource.Goal)
+        self.Audience = resource.ResourceGenerator(client=self, resource=resource.Audience)
+
+    def request(self, method, url_parts, headers=None, data=''):
+
+        if method in self.ALLOWED_REQUESTS:
+            # add request token header
+            headers = headers or {}
+            headers.update({'Token': self.api_key})
+
+            # make request and return parsed response
+            return self.parse_response(getattr(requests, method)(urlparse.urljoin(
+                self.api_base, '/'.join([str(url_part) for url_part in url_parts])), headers=headers, data=data))
+        else:
+            raise BadRequestError('%s is not a valid request type.' % method)
+
+    @staticmethod
+    def parse_response(resp):
+        if resp.status_code in [200, 201, 202]:
+            return resp.json()
+        elif resp.status_code == 204:
+            return
+        elif resp.status_code == 400:
+            raise error.BadRequestError(resp.json().get('message'))
+        elif resp.status_code == 401:
+            raise error.UnauthorizedError(resp.json().get('message'))
+        elif resp.status_code == 403:
+            raise error.ForbiddenError(resp.json().get('message'))
+        elif resp.status_code == 404:
+            raise error.NotFoundError(resp.json().get('message'))
+        elif resp.status_code == 429:
+            raise error.TooManyRequestsError(resp.json().get('message'))
+        elif resp.status_code == 503:
+            raise error.ServiceUnavailableError(resp.json().get('message'))
+        else:
+            raise error.OptimizelyError(resp.text)