wc_getTrend.py

import suds
import sys
import xml
import argparse
import getpass


if len(sys.argv) < 2:
    print "You haven't specified any arguments. Use -h to get more details on how to use this command."


parser = argparse.ArgumentParser()
parser.add_argument('--username', '-u', type=str, default=None, help='Username for the login to the WebCTRL server')
parser.add_argument('--password', '-p', type=str, default=None, help='Password for the login to the WebCTRL server')
parser.add_argument('--node', '-n', type=str, default=None,
    help='The full path to the point or trend log node whose trend data is desired.')
parser.add_argument('-url', type=str, default='https://webctrl.rz-berlin.mpg.de',
    help="URL of the WebCTRL server as e.g. http://google.de")
parser.add_argument('--sTime', '-s', type=str, default=None,
    help="Start Time. Returns trend data values starting with this time. Like this: 'MM/DD/YYYY HH:MM:SS AM'.")
parser.add_argument('--eTime', '-e', type=str, default=None,
    help="End Time. Returns trend data values until this time. Like this: 'MM/DD/YYYY HH:MM:SS PM'.")
parser.add_argument('--limit', '-l', action='store_true', default=False,
    help='If specified maxRecords are retrieved from the start. If not specified maxRecords are retrieved from the end.')
parser.add_argument('--maxRec', '-m', type=int, default=10,
    help='Maximum number of records desired. Use a number >0 to limit records; use 0 to retrieve unlimited records.')
args = parser.parse_args()


if args.username is None:
    print 'No user name specified. Login to WebCTRL needs a user name and password. Check all options for this command via -h'
    sys.exit(1)
else:
    username = args.username
if args.password is None:
    password = getpass.getpass('No password specified via -p. Please enter your WebCTRL login password: ')
else:
    password = args.password
if args.sTime is None:
    print 'Start time is undefined. Use -s to define date and time.'
if args.eTime is None:
    print 'End time is undefined. Use -e to define date and time.'
if args.node is None:
    print 'No path to a node specified. Check all options for this command via -h'
    sys.exit(1)
if args.url is None:
    print 'No URL given. Specify the URL to the WebCTRL server analogous to http://google.de'
    sys.exit(1)
else:
    wsdlFile = args.url + '/_common/webservices/Trend?wsdl'


try:
    client = suds.client.Client(wsdlFile, username=username, password=password)
except AttributeError:
    print 'Error: Incorrect username and/or password'
except xml.sax._exceptions.SAXParseException:
    print 'Error: Incorrect/Misspelled WSDL file. It should be: http(s)://URL?wsdl'
    sys.exit(1)
except:
    print("Unexpected error:", sys.exc_info()[0])
    sys.exit(1)


try:
    trendData = client.service.getTrendData(args.node, args.sTime, args.eTime, args.limit, args.maxRec)
except suds.WebFault as fault:
    print fault
    sys.exit(1)


if trendData:
    for x in range(0, len(trendData) - 1, 2):
        print trendData[x] + '    ' + trendData[x + 1]
else:
    print 'No data caught. Check your -s and -e time specifications. Perhaps the end time is before the start time.'
    sys.exit(1)


sys.exit(0)