From ec347fa5cf95d5805b5c797c593c0892251837fc Mon Sep 17 00:00:00 2001
From: helmutm <helmutm@fd906abe-77d9-0310-91a1-e0d9ade77398>
Date: Thu, 11 Jan 2007 15:44:02 +0000
Subject: [PATCH] more on cybertools.storage.filesystem for use with loops
 ExternalFile

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1546 fd906abe-77d9-0310-91a1-e0d9ade77398
---
 storage/README.txt    | 5 ++++-
 storage/filesystem.py | 8 ++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/storage/README.txt b/storage/README.txt
index 34a4e5b..bd8487c 100644
--- a/storage/README.txt
+++ b/storage/README.txt
@@ -13,4 +13,7 @@ Controlling the storage of data
   >>> storage.getDir('demo')
   '/home/.../cybertools/storage/testdata/demo'
 
-
+  >>> from cybertools.storage.filesystem import instanceVarSubdirectoryStorage
+  >>> storage = instanceVarSubdirectoryStorage()
+  >>> storage.getDir('demo')
+  '.../var/extfiles/demo'
diff --git a/storage/filesystem.py b/storage/filesystem.py
index 562c7e4..9384775 100644
--- a/storage/filesystem.py
+++ b/storage/filesystem.py
@@ -23,6 +23,7 @@ $Id$
 """
 
 import os
+import cybertools
 from zope.interface import implements
 from cybertools.storage.interfaces import IExternalStorage
 
@@ -47,6 +48,7 @@ class FileSystemStorage(object):
         f = open(fn, 'wb')
         f.write(data)
         f.close()
+        print 'cybertools.storage: file %s written' % fn
 
     def getData(self, address, params={}):
         subDir = params.get('subdirectory')
@@ -63,5 +65,7 @@ def explicitDirectoryStorage(dirname):
 
 
 def instanceVarSubdirectoryStorage(dirname=DEFAULT_DIRECTORY):
-    instanceHome = '';
-    return FileSystemStorage(instanceHome, dirname)
+    instanceHome = os.path.dirname(os.path.dirname(os.path.dirname(
+                        os.path.dirname(cybertools.__file__))))
+    varDir = os.path.join(instanceHome, 'var');
+    return FileSystemStorage(varDir, dirname)