Fixed Gridfs deletes, added dummy size method that return 0 always, updated docs

apps/storage/backends/gridfsstorage.py

@@ -10,6 +10,10 @@ HOST = u'localhost'
 PORT = 27017
 DATABASE_NAME = u'document_storage'
 
+#TODO: Implement user settings
+#TODO: Implement delete-open soft locking
+#TODO :master_slave_connection
+
 class GridFSStorage(Storage):
     def __init__(self, *args, **kwargs):
         self.db = Connection(host=HOST, port=PORT)[DATABASE_NAME]
@@ -54,9 +58,8 @@ class GridFSStorage(Storage):
 
         
     def delete(self, name):
-        oid = self.fs.get_last_version(name)
-        self.delete(oid)
-        return True
+        oid = self.fs.get_last_version(name)._id
+        self.fs.delete(oid)
 
         
     def exists(self, name):
@@ -66,6 +69,11 @@ class GridFSStorage(Storage):
     def path(self, name):
         return force_unicode(name)
 
+
+    def size(self, name):
+        #TODO: Implement
+        return 0
+        
         
     def move(self, old_file_name, name, chunk_size=1024*64):
         # first open the old file, so that it won't go away

docs/CREDITS

@@ -93,3 +93,9 @@ favicon
     http://www.iconfinder.com/icondetails/21581/24/draw_pyramid_icon
     by Gnome Project    
 
+MongoDB
+
+PyMongo
+
+GridFS
+

docs/Changelog.txt

@@ -48,3 +48,6 @@
 * Added document link in the OCR document queue list
 * Link to manually re queue failed OCR
 * Don't separate links (encose object list links with white-space: nowrap;)
+
+2011-Mar 04
+* Initial GridFS storage support

docs/FAQ

@@ -41,3 +41,12 @@
         from customstorage import CustomStorage
         DOCUMENTS_STORAGE_BACKEND = CustomStorage
 
+
+* How to enable the GridFS storage backend
+    - Solution:
+    Add the following lines to settings.py:
+        from storage.backends.gridfsstorage import GridFSStorage
+        DOCUMENTS_STORAGE_BACKEND = GridFSStorage
+        
+    - Filesystem metadata indexing will not work with this storage backend as
+        file are inside a MongoDB database and can't be linked (at least for now)

docs/TODO

@@ -92,6 +92,14 @@ TODO, WISHLIST
 * Save advanced search by metadata setup as a virtual folder
 
 
+GridFSStorage
+============
+* Implement user settings
+* Implement delete-open soft locking
+* Implement master_slave_connection
+* if exists adding _ plus a counter - avoid file versioning
+
+
 ISSUES
 ===========
 * Staging file hash colition when same file with different name, newhash = content hash + filename hash