A more usable version of my Python wrapper for the SoftLayer API

pysoftlayer.py

import xmlrpclib
"""                                                                                                                                                                                                      
A simple Python wrapper for the SoftLayer API as exposed via XML-RPC                                                                                                                                     
"""
# TODO: Make this object-based for services, data types, and methods instead of dictionary-based                                                                                                         
# TODO: Read authentication information from a secure location                                                                                                                                           
# TODO: Demonstrate how to call a method that requires a parameter                                                                                                                                       
# TODO: Work with exceptions                                                                                                                                                                             

# Get this information from https://manage.softlayer.com/Administrative/apiKeychain                                                                                                                      
USERNAME = ''
API_KEY = ''

# see http://sldn.softlayer.com/wiki/index.php/Category:API_Services                                                                                                                                     
# for the complete list; would be nice to fetch via WSDL or somesuch                                                                                                                                     
services = { 'account': 'Account',
             'billing': 'Billing_Invoice',
             'dns': 'Dns_Domain',
             'hardware': 'Hardware',
             'software': 'Software_Component',
             'backbone': 'Network_Backbone',
             'bandwidth': 'Network_Bandwidth_Version1_Allotment',
             'firewall': 'Network_Component_Firewall',
             'lb': 'Network_LoadBalancer_VirtualIpAddress',
             'monitor': 'Network_Monitor_Version1_Query_Host',
             'storage': 'Network_Storage',
             'subnet': 'Network_Subnet',
             'vlan': 'Network_Vlan',
             'ticket': 'Ticket',
             'customer': 'User_Customer',
             'utility': 'Utility_Network',
           }

# see http://sldn.softlayer.com/wiki/index.php/Category:API_Data_Types                                                                                                                                   
data_types = {}

# see http://sldn.softlayer.com/wiki/index.php/Category:API_Methods                                                                                                                                      
methods = {}

#                                                                                                                                                                                                        
# Service acquisition                                                                                                                                                                                    
#                                                                                                                                                                                                        

ENDPOINT_BASE = 'http://api.service.softlayer.com/xmlrpc/v3/SoftLayer_'

def make_endpoint(service_name):
  return ENDPOINT_BASE + service_name

def get_service(service):
  service_endpoint = make_endpoint(services[service])
  return xmlrpclib.ServerProxy(service_endpoint)

#
# Header construction                                                                                                                                                                                    
#                                                                                                                                                                                                        

HEADERS_BASE = { 'headers': {} }

def add_header(new_header, current_header = HEADERS_BASE):
  current_header['headers'].update(new_header)
  return current_header

# see http://sldn.softlayer.com/wiki/index.php/Authenticating_to_the_SoftLayer_API                                                                                                                       
def make_auth_header():
  header = {
    'authenticate' : {
      'username': USERNAME,
      'apiKey': API_KEY
    }
  }
  return header

# see http://sldn.softlayer.com/wiki/index.php/Using_Initialization_Parameters_in_the_SoftLayer_API                                                                                                      
def make_init_header(service, id):
  init_name = 'SoftLayer_' + services[service] + 'InitParameters'
  header = {
    init_name: {
      'id': id
    }
  }
  return header

# see http://sldn.softlayer.com/wiki/index.php/Using_Object_Masks_in_the_SoftLayer_API                                                                                                                   
def make_obj_mask_header(service, mask):
  obj_mask_name = 'SoftLayer_' + services[service] + 'ObjectMask'
  header = {
    obj_mask_name: {
      'mask': mask
    }
  }
  return header

# see http://sldn.softlayer.com/wiki/index.php/Using_Result_Limits_in_the_SoftLayer_API                                                                                                                  
def make_limit_header(limit, offset = 0):
  header = {
    'resultLimit': {
      'limit': limit,
      'offset': offset
    }
  }
  return header