From 27876970f347c036a87ca079cb29607ef773f53e Mon Sep 17 00:00:00 2001
From: Nicolas Duhamel <nicolas@jombi.fr>
Date: Mon, 11 Apr 2011 14:37:24 +0200
Subject: [PATCH] backend stateful

---
 weboob/applications/videoob/videoob.py | 13 ++++++++++---
 weboob/backends/canalplus/backend.py   | 19 +++++++------------
 weboob/backends/canalplus/browser.py   |  4 ++--
 weboob/capabilities/collection.py      |  2 +-
 4 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/weboob/applications/videoob/videoob.py b/weboob/applications/videoob/videoob.py
index 8533ecd8..3e9b9065 100644
--- a/weboob/applications/videoob/videoob.py
+++ b/weboob/applications/videoob/videoob.py
@@ -246,10 +246,16 @@ class Videoob(ReplApplication):
     def do_ls(self, line):
         self.videos = []
         if len(self.working_dir) == 0:
-            for name in [b.NAME for b in self.weboob. iter_backends(caps=ICapCollection)]:
+            for name in [b.NAME for b in self.weboob.iter_backends(caps=ICapCollection)]:
                 print name
             return 0
-        for backend, rep in self.do('iter_resources', backends=self.working_dir[0]):
+            
+        backend = [b for b in self.enabled_backends if b.NAME == self.working_dir[0]][0]
+        
+        def do(backend):
+            return backend.iter_resources(self.working_dir[1:])
+        
+        for backend, rep in self.do(do, backends=self.working_dir[0]):
             if isinstance(rep, BaseVideo):
                 self.videos.append(rep)
                 self.format(rep)
@@ -311,6 +317,7 @@ class Videoob(ReplApplication):
         if len(self.working_dir) == 0:
             tmp = [b.NAME for b in self.weboob. iter_backends(caps=ICapCollection)]
         else:
-            tmp = [rep for backend, rep in self.do('iter_resources', backends=self.working_dir[0])]
+            backend = [b for b in self.enabled_backends if b.NAME == self.working_dir[0]][0]
+            tmp = [rep for rep in backend.iter_resources(self.working_dir[1:])]
         
         return [s[offs:] for s in tmp if s.startswith(mline)]
diff --git a/weboob/backends/canalplus/backend.py b/weboob/backends/canalplus/backend.py
index 9c71aded..9330fc6c 100644
--- a/weboob/backends/canalplus/backend.py
+++ b/weboob/backends/canalplus/backend.py
@@ -65,16 +65,11 @@ class CanalplusBackend(BaseBackend, ICapVideo, ICapCollection):
         return video
 
     OBJECTS = {CanalplusVideo: fill_video}
-    
-    working_coll = []
-    
-    def get_working_collection(self):
-        return self.working_coll
-    
-    def change_working_collection(self, splited_path):
-        self.working_coll = self.browser.change_working_collection(splited_path)
-        return self.working_coll
         
-    def iter_resources(self):
-        rep = self.browser.iter_resources(self.working_coll)
-        return rep
+    def change_working_collection(self, splited_path):
+        with self.browser:
+            return self.browser.change_working_collection(splited_path)
+        
+    def iter_resources(self, splited_path):
+        with self.browser:
+            return self.browser.iter_resources(splited_path)
diff --git a/weboob/backends/canalplus/browser.py b/weboob/backends/canalplus/browser.py
index f4423d70..70dfff2b 100644
--- a/weboob/backends/canalplus/browser.py
+++ b/weboob/backends/canalplus/browser.py
@@ -94,7 +94,7 @@ class CanalplusBrowser(BaseBrowser):
         
         return walk(splited_path, collections)
         
-    def iter_resources(self, cur_coll):
+    def iter_resources(self, splited_path):
         self.home()
         collections = self.page.collections
        
@@ -110,4 +110,4 @@ class CanalplusBrowser(BaseBrowser):
                 
             return walk_res(path[1:], [collection.children for collection in collections if collection.title == i][0])
         
-        return walk_res(cur_coll, collections)
+        return walk_res(splited_path, collections)
diff --git a/weboob/capabilities/collection.py b/weboob/capabilities/collection.py
index da37b892..baeb1275 100644
--- a/weboob/capabilities/collection.py
+++ b/weboob/capabilities/collection.py
@@ -67,5 +67,5 @@ class ICapCollection(IBaseCap):
     def change_working_collection(self, splited_path):
         raise NotImplementedError()
         
-    def iter_resources(self):
+    def iter_resources(self, splited_path):
         raise NotImplementedError()