SL Baremetal verify and place order

bm_order.py

#!/usr/bin/env python3
# -*- coding: latin-1 -*-

__author__ = 'michael dye  <mdye@us.ibm.com>'
__copyright__ = '2015 IBM'
__license__ = 'EPL-1.0'

import SoftLayer
import json
import sys
import traceback

_client = SoftLayer.create_client_from_env()
_order_service = _client["Product_Order"]


def pprint(json_out):
    print(json.dumps(json_out, sort_keys=True, indent=4))


def er_exit(msg="ERROR", exception=None):
    my_msg = msg

    if exception:
        my_msg = "{}: {}\n".format(msg, exception)
        traceback.print_exc(file=sys.stderr)
    print(my_msg, file=sys.stderr)
    sys.exit(1)


def success_exit(msg='Succeeded'):
    print(msg)
    print("Exiting.")
    sys.exit(0)


def usage():
    print("""
usage: bm_order.py 'service_name' 'JSON order'
""")

if not len(sys.argv) == 3:
    usage()
    er_exit('Insufficient args provided.')

# main
print('Verifying order with SoftLayer.')
try:
    detail = json.loads(sys.argv[2])
except Exception as ex:
    er_exit('Error in JSON syntax read from stdin', ex)

try:
    order_template = _client[sys.argv[1]].generateOrderTemplate(detail)
    order_output = _order_service.verifyOrder(order_template)
except Exception as ex:
    er_exit('Bad order detail', ex)

pprint(order_output)
print("""
************************
continue w/ order? [y/N]
************************""")
if not sys.stdin.readline().lower().strip() == 'y':
    success_exit('Operation canceled.')
else:
    try:
        print('Attempting order with SoftLayer.')
        pprint(_order_service.placeOrder(order_template))
        success_exit('Succeeded.')
    except Exception as ex:
        er_exit('Unable to complete order', ex)