diff --git a/integrator/README.txt b/integrator/README.txt
index ff4e43d..fb943de 100644
--- a/integrator/README.txt
+++ b/integrator/README.txt
@@ -12,7 +12,7 @@ Getting started
 
 Let's do some basic set up
 
-  >>> from zope import component, interface
+  >>> from zope import component
 
   >>> from cybertools.integrator.tests import testDir
   >>> from cybertools.integrator.filesystem import ContainerFactory, FileFactory
diff --git a/integrator/base.py b/integrator/base.py
index 59a99bd..90079b5 100644
--- a/integrator/base.py
+++ b/integrator/base.py
@@ -38,9 +38,12 @@ class ReadContainer(Contained):
     implements(IReadContainer)
 
     factoryName = 'sample'
+    __parent__ = None
 
     def __init__(self, address, **kw):
         self.address = address
+        for k, v in kw.items():
+            setattr(self, k, v)
 
     @Lazy
     def fileFactory(self):
@@ -85,6 +88,7 @@ class File(object):
 
     contentType = None
     data = None
+    __parent__ = None
 
     def __init__(self, address, contentType, **kw):
         self.address = address
diff --git a/integrator/filesystem.py b/integrator/filesystem.py
index 48934f6..3ac7c12 100644
--- a/integrator/filesystem.py
+++ b/integrator/filesystem.py
@@ -46,7 +46,7 @@ class ReadContainer(ReadContainer):
         return os.listdir(self.address)
 
     def keys(self):
-        return self.filenames
+        return [n for n in self.filenames if not n.startswith('.')]
 
     def __iter__(self):
         return iter(self.keys())
@@ -61,9 +61,9 @@ class ReadContainer(ReadContainer):
             return default
         path = os.path.join(self.address, key)
         if os.path.isdir(path):
-            return self.containerFactory(path)
+            return self.containerFactory(path, __parent__=self.__parent__)
         else:
-            return self.fileFactory(path)
+            return self.fileFactory(path, __parent__=self.__parent__)
 
     def values(self):
         return [self.get(k) for k in self]