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#!/router/bin/python
import os
import sys
def add_root_to_path ():
"""adds trex_control_plane root dir to script path, up to `depth` parent dirs"""
root_dirname = 'trex_control_plane'
file_path = os.path.dirname(os.path.realpath(__file__))
components = file_path.split(os.sep)
sys.path.append( str.join(os.sep, components[:components.index(root_dirname)+1]) )
return
add_root_to_path()
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