Initial commit of the backup/restore app

apps/backups/api.py

@@ -0,0 +1,42 @@
+from django.utils.translation import ugettext_lazy as _
+
+
+class ModuleBackup(object):
+    _registry = {}
+ 
+    STATE_BACKING_UP = 'backing_up'
+    STATE_RESTORING = 'restoring'
+    STATE_IDLE = 'idle'
+    
+    STATE_CHOICES = (
+        (STATE_BACKING_UP, _(u'backing up')),
+        (STATE_RESTORING, _(u'restoring')),
+        (STATE_IDLE, _(u'idle')),
+    )
+
+    @classmethod
+    def get(cls, name):
+        return cls._registry[name]
+
+    @classmethod
+    def get_all(cls):
+        return cls._registry.values()
+
+    def __init__(self, name, label):
+        self.label = label
+        self.name = name
+        self.state = self.__class__.STATE_IDLE
+        self.__class__._registry[name] = self
+
+    def backup(self, storage_module=None):
+        self.state = self.__class__.STATE_BACKING_UP
+        # call storage_module
+        self.state = self.__class__.STATE_IDLE
+
+    def restore(self, storage_module=None):
+        self.state = self.__class__.STATE_RESTORING
+        # call storage_module
+        self.state = self.__class__.STATE_IDLE
+
+    def __unicode__(self):
+        return unicode(self.label)