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webctrl/wc_getValue.py
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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='Path to the point or node for which you want to retrieve the present value.') | |
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") | |
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.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/Eval?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: | |
value = client.service.getValue(args.node) | |
except suds.WebFault as fault: | |
print fault | |
sys.exit(1) | |
if value is None: | |
print "You haven't specified a particular controller. The command could look like this:" | |
print '$ wc_getValue "#controller/m001"' | |
else: | |
print "Present value of " + args.node + " is: " + value | |
sys.exit(0) |