- TemplateLookup raises TopLevelLookupException for
  a given path that is a directory, not a filename,
  instead of passing through to the template to
  generate IOError.  [ticket:73]

CHANGES

diff --git a/CHANGES b/CHANGES
index eb38534..7f7d0a9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -50,6 +50,11 @@
   drive etc.)  and no URI - the URI is converted
   to a forward-slash path and module_directory
   is treated as a windows path.  [ticket:128]
+
+- TemplateLookup raises TopLevelLookupException for
+  a given path that is a directory, not a filename,
+  instead of passing through to the template to 
+  generate IOError.  [ticket:73]
   
 0.2.6
 

mako/lookup.py

diff --git a/mako/lookup.py b/mako/lookup.py
index 0398c5e..8514a8a 100644
--- a/mako/lookup.py
+++ b/mako/lookup.py
@@ -107,7 +107,7 @@
             u = re.sub(r'^\/+', '', uri)
             for dir in self.directories:
                 srcfile = posixpath.normpath(posixpath.join(dir, u))
-                if os.path.exists(srcfile):
+                if os.path.isfile(srcfile):
                     return self._load(srcfile, uri)
             else:
                 raise exceptions.TopLevelLookupException(

test/test_lookup.py

diff --git a/test/test_lookup.py b/test/test_lookup.py
index 4d6644d..5e6cb24 100644
--- a/test/test_lookup.py
+++ b/test/test_lookup.py
@@ -29,6 +29,13 @@
             "this is include 2"
 
         ]
+    
+    def test_directory_lookup(self):
+        """test that hitting an existent directory still raises LookupError."""
+        
+        self.assertRaises(exceptions.TopLevelLookupException,
+            tl.get_template, "/subdir"
+        )
         
     def test_no_lookup(self):
         t = Template("hi <%include file='foo.html'/>")