# HG changeset patch
# User egj@socialplanning.org
# Date 1265133747 0
# Node ID 81607129a45e631a9c87caa19dc4ef5564ef6ab5
# Parent  d1b1019d9254309d47893ad0deb318465a0b5634
better error message

diff -r d1b1019d9254 -r 81607129a45e decoupage/web.py
--- a/decoupage/web.py	Mon Jan 04 04:26:32 2010 +0000
+++ b/decoupage/web.py	Tue Feb 02 18:02:27 2010 +0000
@@ -39,7 +39,9 @@
         self.directory = self.directory.rstrip(os.path.sep)
         assert os.path.isdir(self.directory)
         self.template_directories = self.template_directories.split() # no spaces in directory names, for now
-        assert sum([os.path.isdir(directory) for directory in self.template_directories]) == len(self.template_directories)
+
+        for directory in self.template_directories:
+            assert os.path.isdir(directory), "Decoupage template directory %s does not exist!" % directory
 
         # static file server
         self.fileserver = FileApp