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import sys
import os
import warnings
# if not set - set it to default
TREX_STL_EXT_PATH = os.environ.get('TREX_STL_EXT_PATH')
# take default
if not TREX_STL_EXT_PATH:
CURRENT_PATH = os.path.dirname(os.path.realpath(__file__))
# ../../../../external_libs
TREX_STL_EXT_PATH = os.path.abspath(os.path.join(CURRENT_PATH, os.pardir, os.pardir, os.pardir, os.pardir, 'external_libs'))
# the modules required
CLIENT_UTILS_MODULES = ['dpkt-1.8.6',
'yaml-3.11',
'texttable-0.8.4',
'scapy-2.3.1'
]
def import_module_list(modules_list):
assert(isinstance(modules_list, list))
for p in modules_list:
full_path = os.path.join(TREX_STL_EXT_PATH, p)
fix_path = os.path.normcase(full_path)
if not os.path.exists(fix_path):
print "Unable to find required module library: '{0}'".format(p)
print "Please provide the correct path using TREX_STL_EXT_PATH variable"
print "current path used: '{0}'".format(TREX_STL_EXT_PATH)
exit(0)
sys.path.insert(1, full_path)
def import_platform_dirs ():
# handle platform dirs
# try fedora 18 first and then cel5.9
# we are using the ZMQ module to determine the right platform
full_path = os.path.join(TREX_STL_EXT_PATH, 'platform/fedora18')
fix_path = os.path.normcase(full_path)
sys.path.insert(0, full_path)
try:
# try to import and delete it from the namespace
import zmq
del zmq
return
except:
sys.path.pop(0)
pass
full_path = os.path.join(TREX_STL_EXT_PATH, 'platform/cel59')
fix_path = os.path.normcase(full_path)
sys.path.insert(0, full_path)
try:
# try to import and delete it from the namespace
import zmq
del zmq
return
except:
sys.path.pop(0)
sys.modules['zmq'] = None
warnings.warn("unable to determine platform type for ZMQ import")
import_module_list(CLIENT_UTILS_MODULES)
import_platform_dirs()
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