basic ec2 and s3 working

moto/core/models.py

@@ -0,0 +1,40 @@
+import functools
+import re
+
+from httpretty import HTTPretty
+
+
+class BaseBackend(object):
+    base_url = None
+
+    def reset(self):
+        self = self.__class__()
+
+    @property
+    def urls(self):
+        backend_module = self.__class__.__module__
+        backend_urls_module_name = backend_module.replace("models", "urls")
+        backend_urls_module = __import__(backend_urls_module_name, fromlist=['urls'])
+        urls = backend_urls_module.urls
+        return urls
+
+    def decorator(self, func):
+        @functools.wraps(func)
+        def wrapper(*args, **kw):
+            self.reset()
+
+            HTTPretty.reset()
+            HTTPretty.enable()
+
+            for method in HTTPretty.METHODS:
+                for key, value in self.urls.iteritems():
+                    HTTPretty.register_uri(
+                        method=method,
+                        uri=re.compile(self.base_url + key),
+                        body=value,
+                    )
+            try:
+                return func(*args, **kw)
+            finally:
+                HTTPretty.disable()
+        return wrapper