1 files changed, 31 insertions, 1 deletions
diff --git a/lab/trace_sample.py b/lab/trace_sample.py
index 2fec9424..9fa37249 100644
--- a/lab/trace_sample.py
+++ b/lab/trace_sample.py
@@ -21,7 +21,37 @@ def trace(frame, event, arg):
         
     return trace
 
+def trace2(frame, event, arg):
+    #if event == 'line':
+    global nest
+    
+    print "2: %s%s %s %d" % (
+        "   " * nest,
+        event,
+        os.path.basename(frame.f_code.co_filename),
+        frame.f_lineno,
+        )
+    
+    if event == 'call':
+        nest += 1
+    if event == 'return':
+        nest -= 1
+        
+    return trace2
+
 sys.settrace(trace)
 
-import sample
+def bar():
+    print "nar"
+
+a = 26
+def foo(n):
+    a = 28
+    sys.settrace(sys.gettrace())
+    bar()
+    a = 30  
+    return 2*n
+
+print foo(a)
+#import sample
 #import littleclass