in template: Added a function that can be used with Paste Script; fixed an issue when you raise Exception()

1 files changed, 9 insertions, 1 deletions

diff --git a/paste/util/template.py b/paste/util/template.py
index d76f6b3..4da60c8 100644
--- a/paste/util/template.py
+++ b/paste/util/template.py
@@ -192,7 +192,11 @@ class Template(object):
         except:
             exc_info = sys.exc_info()
             e = exc_info[1]
-            e.args = (self._add_line_info(e.args[0], pos),)
+            if getattr(e, 'args'):
+                arg0 = e.args[0]
+            else:
+                arg0 = str(e)
+            e.args = (self._add_line_info(arg0, pos),)
             raise exc_info[0], e, exc_info[2]
 
     def _exec(self, code, ns, pos):
@@ -251,6 +255,10 @@ def sub(content, **kw):
     return tmpl.substitute(kw)
     return result
 
+def paste_script_template_renderer(content, vars, filename=None):
+    tmpl = Template(content, name=filename)
+    return tmpl.substitute(vars)
+
 class bunch(dict):
 
     def __init__(self, **kw):