1 files changed, 28 insertions, 0 deletions
diff --git a/lab/trace_sample.py b/lab/trace_sample.py
new file mode 100644
index 00000000..6d616a51
--- /dev/null
+++ b/lab/trace_sample.py
@@ -0,0 +1,28 @@
+import os, sys
+
+global nest
+nest = 0
+
+def trace(frame, event, arg):
+    #if event == 'line':
+    global nest
+    
+    print "%s%s %s %d (%r)" % (
+        "   " * nest,
+        event,
+        os.path.basename(frame.f_code.co_filename),
+        frame.f_lineno,
+        arg
+        )
+    
+    if event == 'call':
+        nest += 1
+    if event == 'return':
+        nest -= 1
+        
+    return trace
+
+sys.settrace(trace)
+
+import sample
+#import littleclass