From: papagian <papagian@gmail.com>
Date: Thu, 5 May 2011 15:51:04 +0000 (+0300)
Subject: Refs #447
X-Git-Tag: pithos/v0.7.8~329
X-Git-Url: https://code.grnet.gr/git/pithos/commitdiff_plain/3b3c31c6205145827454678b28e89a22b004495d

Refs #447
---

diff --git a/pithos/backends/basebackend.py b/pithos/backends/basebackend.py
new file mode 100644
index 0000000..640437d
--- /dev/null
+++ b/pithos/backends/basebackend.py
@@ -0,0 +1,89 @@
+class BaseBackEnd:
+    def get_account_meta(self, account):
+        """
+        returns a dictionary with the account metadata
+        """
+        return {}
+
+    def update_account_meta(self, account, meta):
+        """
+        updates the metadata associated with the account
+        """
+        return
+    
+    def create_container(self, account, name):
+        """
+        creates a new container with the given name
+        if it doesn't exist under the basepath
+        """
+        return
+    
+    def delete_container(self, account, name):
+        """
+        deletes the container with the given name
+        if it exists under the basepath and is empty
+        """
+        return
+    
+    def get_container_meta(self, account, name):
+        """
+        returns a dictionary with the container metadata
+        """
+        return {}
+    
+    def update_container_meta(self, account, name, meta):
+        """
+        updates the metadata associated with the container
+        """
+        return
+    
+    def list_containers(self, account, marker = None, limit = 10000):
+        """
+        returns a list of at most limit (default = 10000) containers 
+        starting from the next item after the optional marker
+        """
+        return []
+    
+    def list_objects(self, account, container, prefix = '', delimiter = None, marker = None, limit = 10000):
+        """
+        returns a list of objects existing under a container
+        """
+        return []
+    
+    def get_object_meta(self, account, container, name, keys = None):
+        """
+        returns a dictionary with the object metadata
+        """
+        return {}
+    
+    def update_object_meta(self, account, container, name, meta):
+        """
+        updates the metadata associated with the object
+        """
+        return
+    
+    def get_object(self, account, container, name, offset = 0, length = -1):
+        """
+        returns the object data
+        """
+        return
+
+    def update_object(self, account, container, name, data, offset = 0):
+        """
+        creates/updates an object with the specified data
+        """
+        return
+    
+    def copy_object(self, account, src_container, src_name, dest_container, dest_name):
+        """
+        copies an object
+        """
+        return
+    
+    def delete_object(self, account, container, name):
+        """
+        deletes an object
+        """
+        return
+
+