diff --git a/weboob/backends/ina/backend.py b/weboob/backends/ina/backend.py
index 8863b454..4b8694c6 100644
--- a/weboob/backends/ina/backend.py
+++ b/weboob/backends/ina/backend.py
@@ -40,6 +40,6 @@ class InaBackend(BaseBackend, ICapVideo):
     def get_video(self, _id):
         return self.browser.get_video(_id)
 
-    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, required_fields=None):
+    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False):
         debug(u'backend ina: iter_search_results is not implemented')
         return set()
diff --git a/weboob/backends/youjizz/backend.py b/weboob/backends/youjizz/backend.py
index 3253f48e..07c1e04a 100644
--- a/weboob/backends/youjizz/backend.py
+++ b/weboob/backends/youjizz/backend.py
@@ -42,7 +42,7 @@ class YoujizzBackend(BaseBackend, ICapVideo):
     def iter_page_urls(self, mozaic_url):
         return self.browser.iter_page_urls(mozaic_url)
 
-    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, required_fields=None):
+    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False):
         if not nsfw:
             return
-        return self.browser.iter_search_results(pattern, required_fields=required_fields)
+        return self.browser.iter_search_results(pattern)
diff --git a/weboob/backends/youjizz/browser.py b/weboob/backends/youjizz/browser.py
index 8a2f79fb..d3520748 100644
--- a/weboob/backends/youjizz/browser.py
+++ b/weboob/backends/youjizz/browser.py
@@ -16,7 +16,6 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 
-import datetime
 import logging
 import re
 import urllib
@@ -26,6 +25,7 @@ from weboob.tools.browser.decorators import check_domain, id2url
 from weboob.tools.misc import iter_fields, to_unicode
 
 from .pages.index import IndexPage
+from .pages.video import VideoPage
 from .video import YoujizzVideo
 
 
@@ -37,57 +37,28 @@ class YoujizzBrowser(BaseBrowser):
     ENCODING = None
     PAGES = {r'http://.*youjizz\.com/?': IndexPage,
              r'http://.*youjizz\.com/index.php': IndexPage,
-             r'http://.*youjizz\.com/search/.+\.html': IndexPage,
+             r'http://.*youjizz\.com/search/(?P<pattern>.+)\.html': IndexPage,
+             r'http://.*youjizz\.com/videos/(?P<id>.+)\.html': VideoPage,
             }
 
+    def fillobj(self, video, fields):
+        # ignore the fields param: VideoPage.get_video() returns all the information
+        self.location(YoujizzVideo.id2url(video.id))
+        return self.page.get_video(video)
+
     @id2url(YoujizzVideo.id2url)
-    def get_video(self, url, video=None):
-        try:
-            data = self.openurl(url.encode('utf-8')).read()
-        except BrowserUnavailable:
-            return None
-        def _get_url():
-            video_file_urls = re.findall(r'"(http://media[^ ,]+\.flv)"', data)
-            if len(video_file_urls) == 0:
-                return None
-            else:
-                if len(video_file_urls) > 1:
-                    logging.warning('Many video file URL found for given URL: %s' % video_file_urls)
-                return video_file_urls[0]
-        m = re.search(r'http://.*youjizz\.com/videos/(.+)\.html', url)
-        _id = unicode(m.group(1)) if m else None
-        if video is None:
-            video = YoujizzVideo(_id)
-        m = re.search(r'<title>(.+)</title>', data)
-        title = to_unicode(m.group(1)) if m else None
-        m = re.search(r'<strong>.*Runtime.*</strong>(.+)<br.*>', data)
-        if m:
-            minutes, seconds = (int(v) for v in unicode(m.group(1).strip()).split(':'))
-        else:
-            minutes = seconds = 0
-        video.title = title
-        video.url = _get_url()
-        video.duration = datetime.timedelta(minutes=minutes, seconds=seconds)
-        return video
+    def get_video(self, url):
+        self.location(url)
+        return self.page.get_video()
 
     @check_domain
     def iter_page_urls(self, mozaic_url):
         raise NotImplementedError()
 
-    def iter_search_results(self, pattern, required_fields=None):
+    def iter_search_results(self, pattern):
         if not pattern:
             self.home()
         else:
             self.location('/search/%s-1.html' % (urllib.quote_plus(pattern)))
         assert self.is_on_page(IndexPage)
-
-        for video in self.page.iter_videos():
-            if required_fields is not None:
-                missing_required_fields = set(required_fields) - set(k for k, v in iter_fields(video) if v)
-                if missing_required_fields:
-                    logging.debug(u'Completing missing required fields: %s' % missing_required_fields)
-                    self.get_video(video.id, video=video)
-                    missing_required_fields = set(required_fields) - set(k for k, v in iter_fields(video) if v)
-                    if missing_required_fields:
-                        raise Exception(u'Could not load all required fields. Missing: %s' % missing_required_fields)
-            yield video
+        return self.page.iter_videos()
diff --git a/weboob/backends/youjizz/pages/video.py b/weboob/backends/youjizz/pages/video.py
new file mode 100644
index 00000000..73d8d026
--- /dev/null
+++ b/weboob/backends/youjizz/pages/video.py
@@ -0,0 +1,63 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2010  Roger Philibert
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 3 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+import datetime
+import lxml.html
+import re
+
+from weboob.tools.browser import BasePage
+from weboob.tools.misc import to_unicode
+from weboob.tools.parsers.lxmlparser import select, SelectElementException
+
+from ..video import YoujizzVideo
+
+
+__all__ = ['VideoPage']
+
+
+class VideoPage(BasePage):
+
+    def get_video(self, video=None):
+        _id = to_unicode(self.group_dict['id'])
+        if video is None:
+            video = YoujizzVideo(_id)
+        title_el = select(self.document.getroot(), 'title', 1)
+        video.title = to_unicode(title_el.text.strip())
+
+        # youjizz HTML is crap, we must parse it with regexps
+        data = lxml.html.tostring(self.document.getroot())
+        m = re.search(r'<strong>.*?Runtime.*?</strong> (.+?)<br.*>', data)
+        try:
+            if m:
+                minutes, seconds = (int(v) for v in to_unicode(m.group(1).strip()).split(':'))
+                video.duration = datetime.timedelta(minutes=minutes, seconds=seconds)
+            else:
+                raise Exception()
+        except Exception:
+            raise SelectElementException('Could not retrieve video duration')
+
+        video_file_urls = re.findall(r'"(http://media[^ ,]+\.flv)"', data)
+        if len(video_file_urls) == 0:
+            raise SelectElementException('Video URL not found')
+        elif len(video_file_urls) > 1:
+            raise SelectElementException('Many video file URL found')
+        else:
+            video.url = video_file_urls[0]
+
+        return video
+
diff --git a/weboob/backends/youporn/backend.py b/weboob/backends/youporn/backend.py
index 66660c08..df462e75 100644
--- a/weboob/backends/youporn/backend.py
+++ b/weboob/backends/youporn/backend.py
@@ -39,10 +39,10 @@ class YoupornBackend(BaseBackend, ICapVideo):
         return self.browser.get_video(_id)
 
     SORTBY = ['relevance', 'rating', 'views', 'time']
-    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, required_fields=None):
+    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False):
         if not nsfw:
             return
-        return self.browser.iter_search_results(pattern, self.SORTBY[sortby], required_fields=required_fields)
+        return self.browser.iter_search_results(pattern, self.SORTBY[sortby])
 
     def iter_page_urls(self, mozaic_url):
         raise NotImplementedError()
diff --git a/weboob/backends/youporn/browser.py b/weboob/backends/youporn/browser.py
index 0ec979c0..5202b7a8 100644
--- a/weboob/backends/youporn/browser.py
+++ b/weboob/backends/youporn/browser.py
@@ -39,30 +39,20 @@ class YoupornBrowser(BaseBrowser):
              r'http://[w\.]*youporngay\.com:80/watch/(?P<id>.+)': VideoPage,
             }
 
-    @id2url(YoupornVideo.id2url)
-    def get_video(self, url, video=None):
-        self.location(url)
-        if video is None:
-            return self.page.video
-        else:
-            for k, v in iter_fields(self.page.video):
-                if v and getattr(video, k) != v:
-                    setattr(video, k, v)
-            return video
+    def fillobj(self, video, fields):
+        # ignore the fields param: VideoPage.get_video() returns all the information
+        self.location(YoupornVideo.id2url(video.id))
+        return self.page.get_video(video)
 
-    def iter_search_results(self, pattern, sortby, required_fields=None):
+    @id2url(YoupornVideo.id2url)
+    def get_video(self, url):
+        self.location(url)
+        return self.page.get_video()
+
+    def iter_search_results(self, pattern, sortby):
         if not pattern:
             self.home()
         else:
             self.location(self.buildurl('/search/%s' % sortby, query=pattern))
         assert self.is_on_page(IndexPage)
-        for video in self.page.iter_videos():
-            if required_fields is not None:
-                missing_required_fields = set(required_fields) - set(k for k, v in iter_fields(video) if v)
-                if missing_required_fields:
-                    logging.debug(u'Completing missing required fields: %s' % missing_required_fields)
-                    self.get_video(video.id, video=video)
-                    missing_required_fields = set(required_fields) - set(k for k, v in iter_fields(video) if v)
-                    if missing_required_fields:
-                        raise Exception(u'Could not load all required fields. Missing: %s' % missing_required_fields)
-            yield video
+        return self.page.iter_videos()
diff --git a/weboob/backends/youporn/pages/video.py b/weboob/backends/youporn/pages/video.py
index 0a7cc21f..c7df0d5a 100644
--- a/weboob/backends/youporn/pages/video.py
+++ b/weboob/backends/youporn/pages/video.py
@@ -27,19 +27,20 @@ from ..video import YoupornVideo
 
 
 class VideoPage(PornPage):
-    def on_loaded(self):
+    def get_video(self, video=None):
         if not PornPage.on_loaded(self):
             return
-        self.video = YoupornVideo(self.group_dict['id'],
-                                  self.get_title(),
-                                  self.get_url(),
-                                  )
-        self.set_details(self.video)
+        if video is None:
+            video = YoupornVideo(self.group_dict['id'])
+        video.title = self.get_title()
+        video.url = self.get_url()
+        self.set_details(video)
+        return video
 
     def get_url(self):
-        el = self.document.getroot().cssselect('div[id=download]')
-        if el:
-            return el[0].cssselect('a')[0].attrib['href']
+        download_div = select(self.document.getroot(), '#download', 1)
+        a = select(download_div, 'a', 1)
+        return a.attrib['href']
 
     def get_title(self):
         element = select(self.document.getroot(), '#videoArea h1', 1)
@@ -49,11 +50,8 @@ class VideoPage(PornPage):
     MONTH2I = ['', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
 
     def set_details(self, v):
-        div = self.document.getroot().cssselect('div[id=details]')
-        if not div:
-            return
-
-        for li in div[0].getiterator('li'):
+        details_div = select(self.document.getroot(), '#details', 1)
+        for li in details_div.getiterator('li'):
             span = li.find('span')
             name = span.text.strip()
             value = span.tail.strip()
diff --git a/weboob/backends/youtube/backend.py b/weboob/backends/youtube/backend.py
index 10140d8c..05eebe2f 100644
--- a/weboob/backends/youtube/backend.py
+++ b/weboob/backends/youtube/backend.py
@@ -24,7 +24,6 @@ from weboob.tools.backend import BaseBackend
 from weboob.tools.misc import iter_fields
 
 from .browser import YoutubeBrowser
-from .pages import ForbiddenVideo
 from .video import YoutubeVideo
 
 
@@ -41,23 +40,10 @@ class YoutubeBackend(BaseBackend, ICapVideo):
 
     BROWSER = YoutubeBrowser
 
-    def get_video(self, _id, video=None):
-        try:
-            browser_video = self.browser.get_video(_id)
-        except ForbiddenVideo:
-            if video is None:
-                return None
-            else:
-                raise
-        if video is None:
-            return browser_video
-        else:
-            for k, v in iter_fields(browser_video):
-                if v and getattr(video, k) != v:
-                    setattr(video, k, v)
-            return video
+    def get_video(self, _id):
+        return self.browser.get_video(_id)
 
-    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False, required_fields=None):
+    def iter_search_results(self, pattern=None, sortby=ICapVideo.SEARCH_RELEVANCE, nsfw=False):
         import gdata.youtube.service
         yt_service = gdata.youtube.service.YouTubeService()
         query = gdata.youtube.service.YouTubeVideoQuery()
@@ -77,19 +63,6 @@ class YoutubeBackend(BaseBackend, ICapVideo):
                                  duration=datetime.timedelta(seconds=int(entry.media.duration.seconds.decode('utf-8').strip())),
                                  thumbnail_url=entry.media.thumbnail[0].url.decode('utf-8').strip(),
                                  )
-            if required_fields is not None:
-                missing_required_fields = set(required_fields) - set(k for k, v in iter_fields(video) if v)
-                if missing_required_fields:
-                    logging.debug(u'Completing missing required fields: %s' % missing_required_fields)
-                    try:
-                        self.get_video(video.id, video=video)
-                    except ForbiddenVideo, e:
-                        logging.debug(e)
-                        continue
-                    else:
-                        missing_required_fields = set(required_fields) - set(k for k, v in iter_fields(video) if v)
-                        if missing_required_fields:
-                            raise Exception(u'Could not load all required fields. Missing: %s' % missing_required_fields)
             yield video
 
     def iter_page_urls(self, mozaic_url):
diff --git a/weboob/backends/youtube/browser.py b/weboob/backends/youtube/browser.py
index 6eb83a93..0ad0bc67 100644
--- a/weboob/backends/youtube/browser.py
+++ b/weboob/backends/youtube/browser.py
@@ -16,10 +16,12 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 
+import logging
+
 from weboob.tools.browser import BaseBrowser
 from weboob.tools.browser.decorators import id2url
 
-from .pages import ForbiddenVideoPage, VerifyAgePage, VideoPage
+from .pages import ForbiddenVideo, ForbiddenVideoPage, VerifyAgePage, VideoPage
 from .video import YoutubeVideo
 
 
@@ -34,10 +36,12 @@ class YoutubeBrowser(BaseBrowser):
              r'.*youtube\.com/verify_age\?next_url=(?P<next_url>.+)': VerifyAgePage,
             }
 
+    def fillobj(self, video, fields):
+        # ignore the fields param: VideoPage.get_video() returns all the information
+        self.location(YoutubeVideo.id2url(video.id))
+        return self.page.get_video(video)
+
     @id2url(YoutubeVideo.id2url)
     def get_video(self, url):
         self.location(url)
-        if hasattr(self.page, 'video'):
-            return self.page.video
-        else:
-            return None
+        return self.page.get_video()
diff --git a/weboob/backends/youtube/pages.py b/weboob/backends/youtube/pages.py
index 6fc523c4..33b18ddc 100644
--- a/weboob/backends/youtube/pages.py
+++ b/weboob/backends/youtube/pages.py
@@ -32,26 +32,26 @@ class ForbiddenVideo(Exception):
 
 
 class ForbiddenVideoPage(BasePage):
-    def on_loaded(self):
+    def get_video(self, video=None):
         element = select(self.document.getroot(), '.yt-alert-content', 1)
         raise ForbiddenVideo(element.text.strip())
 
 
 class VerifyAgePage(BasePage):
-    def on_loaded(self):
+    def get_video(self, video=None):
         raise ForbiddenVideo('verify age not implemented')
 
 
 class VideoPage(BasePage):
     VIDEO_SIGNATURE_REGEX = re.compile(r'&t=([^ ,&]*)')
 
-    def on_loaded(self):
-        _id = self.group_dict['id']
-        self.video = YoutubeVideo(_id,
-                                  title=self.get_title(),
-                                  url=self.get_url(_id),
-                                  author=self.get_author(),
-                                  )
+    def get_video(self, video=None):
+        if video is None:
+            video = YoutubeVideo(self.group_dict['id'])
+        video.title = self.get_title()
+        video.url = self.get_url(video.id)
+        video.author = self.get_author()
+        return video
 
     def get_author(self):
         element = select(self.document.getroot(), 'a.watch-description-username strong', 1)
diff --git a/weboob/capabilities/video.py b/weboob/capabilities/video.py
index 600e8ebf..d004c0a3 100644
--- a/weboob/capabilities/video.py
+++ b/weboob/capabilities/video.py
@@ -55,7 +55,7 @@ class ICapVideo(ICap):
      SEARCH_VIEWS,
      SEARCH_DATE) = range(4)
 
-    def iter_search_results(self, pattern=None, sortby=SEARCH_RELEVANCE, nsfw=False, required_fields=None):
+    def iter_search_results(self, pattern=None, sortby=SEARCH_RELEVANCE, nsfw=False):
         """
         Iter results of a search on a pattern. Note that if pattern is None,
         it get the latest videos.
@@ -63,7 +63,6 @@ class ICapVideo(ICap):
         @param pattern  [str] pattern to search on
         @param sortby  [enum] sort by...
         @param nsfw  [bool] include non-suitable for work videos if True
-        @param required_fields  [tuple] fields to load even if it takes many HTTP requests
         """
         raise NotImplementedError()
 
diff --git a/weboob/tools/application/console.py b/weboob/tools/application/console.py
index 0c73d999..9586df53 100644
--- a/weboob/tools/application/console.py
+++ b/weboob/tools/application/console.py
@@ -270,6 +270,40 @@ class ConsoleApplication(BaseApplication):
             logging.error(e)
 
     def do(self, function, *args, **kwargs):
-        if self.selected_fields:
-            kwargs['required_fields'] = set(self.selected_fields) - set('*')
-        return self.weboob.do(function, *args, **kwargs)
+        """
+        Call Weboob.do(), after having filled the yielded object, if selected fields are given by user.
+        """
+        for backend, result in self.weboob.do(function, *args, **kwargs):
+            fields = set(self.selected_fields) - set('*')
+            if fields:
+                try:
+                    backend.browser.fillobj(result, fields)
+                except Exception, e:
+                    logging.warning(u'Could not retrieve required fields (%s): %s' % (','.join(fields), e))
+            yield backend, result
+
+    def do_caps(self, caps, function, *args, **kwargs):
+        """
+        Call Weboob.do_caps(), after having filled the yielded object, if selected fields are given by user.
+        """
+        for backend, result in self.weboob.do_caps(caps, function, *args, **kwargs):
+            fields = set(self.selected_fields) - set('*')
+            if fields:
+                try:
+                    backend.browser.fillobj(result, fields)
+                except Exception, e:
+                    logging.warning(u'Could not retrieve required fields (%s): %s' % (','.join(fields), e))
+            yield backend, result
+
+    def do_backends(self, backends, function, *args, **kwargs):
+        """
+        Call Weboob.do_backends(), after having filled the yielded object, if selected fields are given by user.
+        """
+        for backend, result in self.weboob.do_backends(backends, function, *args, **kwargs):
+            fields = set(self.selected_fields) - set('*')
+            if fields:
+                try:
+                    backend.browser.fillobj(result, fields)
+                except Exception, e:
+                    logging.warning(u'Could not retrieve required fields (%s): %s' % (','.join(fields), e))
+            yield backend, result
diff --git a/weboob/tools/browser/browser.py b/weboob/tools/browser/browser.py
index 20a783c0..598fab47 100644
--- a/weboob/tools/browser/browser.py
+++ b/weboob/tools/browser/browser.py
@@ -394,3 +394,6 @@ class BaseBrowser(mechanize.Browser):
                 self[field] = value
         except ControlNotFoundError:
             return
+
+    def fillobj(self, obj, fields):
+        raise NotImplementedError()