mininet/util/versioncheck.py at master · faahmed/mininet

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#!/usr/bin/env python

from subprocess import check_output as co

from sys import exit, version_info

def run(*args, **kwargs):

"Run co and decode for python3"

result = co(*args, **kwargs)

return result.decode() if version_info[ 0 ] >= 3 else result

# Actually run bin/mn rather than importing via python path

version = 'Mininet ' + run( 'PYTHONPATH=. bin/mn --version 2>&1', shell=True )

version = version.strip()

# Find all Mininet path references

lines = run( "egrep -or 'Mininet [0-9\.\+]+\w*' *", shell=True )

error = False

for line in lines.split( '\n' ):

if line and 'Binary' not in line:

fname, fversion = line.split( ':' )

if version != fversion:

print( "%s: incorrect version '%s' (should be '%s')" % (

fname, fversion, version ) )

error = True

if error:

exit( 1 )