Adding sqs queue creation

moto/sqs/models.py

@@ -0,0 +1,42 @@
+from moto.core import BaseBackend
+from moto.core.utils import camelcase_to_underscores
+
+
+class Queue(object):
+    camelcase_attributes = ['VisibilityTimeout']
+
+    def __init__(self, name, visibility_timeout):
+        self.name = name
+        self.visibility_timeout = visibility_timeout
+
+    @property
+    def attributes(self):
+        result = {}
+        for attribute in self.camelcase_attributes:
+            result[attribute] = getattr(self, camelcase_to_underscores(attribute))
+        return result
+
+class SQSBackend(BaseBackend):
+
+    def __init__(self):
+        self.queues = {}
+        super(SQSBackend, self).__init__()
+
+    def create_queue(self, name, visibility_timeout):
+        queue = Queue(name, visibility_timeout)
+        self.queues[name] = queue
+        return queue
+
+    def list_queues(self):
+        return self.queues.values()
+
+    def get_queue(self, queue_name):
+        return self.queues[queue_name]
+
+    def delete_queue(self, queue_name):
+        if queue_name in self.queues:
+            return self.queues.pop(queue_name)
+        return False
+
+
+sqs_backend = SQSBackend()