1 files changed, 41 insertions, 0 deletions
diff --git a/wqflask/wqflask/tracer.py b/wqflask/wqflask/tracer.py
new file mode 100644
index 00000000..43a0f15e
--- /dev/null
+++ b/wqflask/wqflask/tracer.py
@@ -0,0 +1,41 @@
+from __future__ import absolute_import, division, print_function
+
+print("At top of tracer")
+
+import sys
+
+####################################################################################
+
+# Originally based on http://stackoverflow.com/a/8315566
+def tracefunc(frame, event, arg, indent=[0]):
+    
+    func = dict(funcname = frame.f_code.co_name,
+                     filename = frame.f_code.co_filename,
+                     lineno = frame.f_lineno)
+    
+    #These are too common to bother printing...
+    too_common = (
+        '/home/sam/ve27/local/lib/python2.7/site-packages/werkzeug/',
+        '/home/sam/ve27/local/lib/python2.7/site-packages/jinja2/',
+    )
+    
+    
+    if func['filename'].startswith(too_common):
+        return tracefunc
+    
+    info = "{funcname} [{filename}: {lineno}]".format(**func)
+
+    if event == "call":
+        indent[0] += 2
+        #print("-" * indent[0] + "> call function", frame.f_code.co_name)
+        print("-" * indent[0] + "> call function:", info)
+    elif event == "return":
+        print("<" + "-" * indent[0], "exit function:", info)
+        indent[0] -= 2
+    return tracefunc
+
+def turn_on():
+    sys.settrace(tracefunc)
+    print("Tracing turned on!!!!")  
+####################################################################################
+