From Eliot:

Add runtime tracers (disabled by default) for debug.

Add runtime tracers (disabled by default) for debug.

This may be useful for ongoing development.



https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6448

svn path=/trunk/; revision=39649

2 files changed, 41 insertions, 0 deletions

diff --git a/epan/wspython/register-dissector.py b/epan/wspython/register-dissector.py
index a9ca3ac416..a536a4ab95 100755
--- a/epan/wspython/register-dissector.py
+++ b/epan/wspython/register-dissector.py
@@ -86,3 +86,24 @@ def register_dissectors(wspython_dir,  plugins_pers_dir=None):
               print 'register dissector %s exception %s' % (dissector, e)
   print 'registered protocols', registered_protocols
   return registered_protocols
+
+if False:
+    import linecache
+
+    # Start tracing when import has finished
+    def tracer(frame, event, arg):
+        if event == "line":
+            lineno = frame.f_lineno
+            filename = frame.f_globals["__file__"]
+            if (filename.endswith(".pyc") or
+                filename.endswith(".pyo")):
+                filename = filename[:-1]
+            name = frame.f_globals["__name__"]
+            line = linecache.getline(filename, lineno)
+            print "%s:%s: %s" % (name, lineno, line.rstrip())
+        if event == "exception":
+            print "exception", arg
+        return tracer
+
+    sys.settrace(tracer)
+
diff --git a/epan/wspython/wspy_dissector.py b/epan/wspython/wspy_dissector.py
index d915fbcd1d..cc1d96f317 100755
--- a/epan/wspython/wspy_dissector.py
+++ b/epan/wspython/wspy_dissector.py
@@ -437,3 +437,23 @@ class TVB(object):
   #how to get this working ??? check how application uses this!
   #def new_subset(self, offset=0):
   #  return self.__wsl.tvb_get_new_subset(self.tvb, offset)
+
+if False:
+    import linecache
+    import sys
+    # Start tracing when import has finished
+    def tracer(frame, event, arg):
+        if event == "line":
+            lineno = frame.f_lineno
+            filename = frame.f_globals["__file__"]
+            if (filename.endswith(".pyc") or
+                filename.endswith(".pyo")):
+                filename = filename[:-1]
+            name = frame.f_globals["__name__"]
+            line = linecache.getline(filename, lineno)
+            print "%s:%s: %s" % (name, lineno, line.rstrip())
+        if event == "exception":
+            print "exception", arg
+        return tracer
+
+    sys.settrace(tracer)