################################################################################

# Copyright (c) 2010 Nokia Corporation

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#     http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

################################################################################

# From http://www.dalkescientific.com/writings/diary/archive/2005/04/20/tracing_python_code.html

import sys

import linecache

import random

def traceit(frame, event, arg):

    if event == "line":

        lineno = frame.f_lineno

        filename = frame.f_globals.get("__file__", "<nofilename>")

        if filename == "<stdin>":

            filename = "traceit.py"

        if (filename.endswith(".pyc") or

            filename.endswith(".pyo")):

            filename = filename[:-1]

        name = frame.f_globals.get("__name__", "<noname>")

        line = linecache.getline(filename, lineno)

        # Modify the name below to trace only a particular .py file

        if name in ['httplib']:

            print "%s:%s: %s" % (name, lineno, line.rstrip())

    return traceit