- Fixed error formatting when a stacktrace

  line contains no line number, as in when
  inside an eval/exec-generated function.
  [ticket:132]

3 files changed, 17 insertions, 0 deletions

diff --git a/CHANGES b/CHANGES
index 9af7147..0668542 100644
--- a/CHANGES
+++ b/CHANGES
@@ -7,6 +7,11 @@
 
 - Fixed broken @property decorator on 
   template.last_modified
+
+- Fixed error formatting when a stacktrace
+  line contains no line number, as in when
+  inside an eval/exec-generated function.
+  [ticket:132]
   
 0.3.2
 - Calling a def from the top, via 
diff --git a/mako/exceptions.py b/mako/exceptions.py
index c0d7fd9..0c1f844 100644
--- a/mako/exceptions.py
+++ b/mako/exceptions.py
@@ -152,6 +152,8 @@ class RichTraceback(object):
         rawrecords = traceback.extract_tb(trcback)
         new_trcback = []
         for filename, lineno, function, line in rawrecords:
+            if not line:
+                line = ''
             try:
                 (line_map, template_lines) = mods[filename]
             except KeyError:
diff --git a/test/test_exceptions.py b/test/test_exceptions.py
index 22f879d..ab2f8e4 100644
--- a/test/test_exceptions.py
+++ b/test/test_exceptions.py
@@ -73,6 +73,16 @@ ${u'привет'}
             assert False, ("This function should trigger a CompileException, "
                            "but didn't")
     
+    def test_format_closures(self):
+        try:
+            exec "def foo():"\
+                 "    raise RuntimeError('test')"\
+                 in locals()
+            foo()
+        except:
+            html_error = exceptions.html_error_template().render()
+            assert "RuntimeError: test" in html_error
+        
     def test_py_utf8_html_error_template(self):
         try:
             foo = u'日本'