From 866014896091d83164a6503adf9035146cf49963 Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Sat, 16 Aug 2014 22:37:29 +0200
Subject: Move examples from the deprecated optparse to argparse, and remove
 the redundant -v option.

---
 examples/disco_browser.py | 67 ++++++++++++++++++++---------------------------
 1 file changed, 28 insertions(+), 39 deletions(-)

(limited to 'examples/disco_browser.py')

diff --git a/examples/disco_browser.py b/examples/disco_browser.py
index 7c126388..33134c99 100755
--- a/examples/disco_browser.py
+++ b/examples/disco_browser.py
@@ -11,7 +11,7 @@
 
 import logging
 from getpass import getpass
-from optparse import OptionParser
+from argparse import ArgumentParser
 
 import slixmpp
 from slixmpp.exceptions import IqError, IqTimeout
@@ -124,52 +124,41 @@ class Disco(slixmpp.ClientXMPP):
 
 if __name__ == '__main__':
     # Setup the command line arguments.
-    optp = OptionParser()
-    optp.version = '%%prog 0.1'
-    optp.usage = "Usage: %%prog [options] %s <jid> [<node>]" % \
-                             'all|info|items|identities|features'
-
-    optp.add_option('-q','--quiet', help='set logging to ERROR',
-                    action='store_const',
-                    dest='loglevel',
-                    const=logging.ERROR,
-                    default=logging.ERROR)
-    optp.add_option('-d','--debug', help='set logging to DEBUG',
-                    action='store_const',
-                    dest='loglevel',
-                    const=logging.DEBUG,
-                    default=logging.ERROR)
-    optp.add_option('-v','--verbose', help='set logging to COMM',
-                    action='store_const',
-                    dest='loglevel',
-                    const=5,
-                    default=logging.ERROR)
+    parser = ArgumentParser(description=Disco.__doc__)
+
+    parser.add_argument("-q","--quiet", help="set logging to ERROR",
+                        action="store_const",
+                        dest="loglevel",
+                        const=logging.ERROR,
+                        default=logging.ERROR)
+    parser.add_argument("-d","--debug", help="set logging to DEBUG",
+                        action="store_const",
+                        dest="loglevel",
+                        const=logging.DEBUG,
+                        default=logging.ERROR)
 
     # JID and password options.
-    optp.add_option("-j", "--jid", dest="jid",
-                    help="JID to use")
-    optp.add_option("-p", "--password", dest="password",
-                    help="password to use")
-    opts,args = optp.parse_args()
+    parser.add_argument("-j", "--jid", dest="jid",
+                        help="JID to use")
+    parser.add_argument("-p", "--password", dest="password",
+                        help="password to use")
+    parser.add_argument("query", choices=["all", "info", "items", "identities", "features"])
+    parser.add_argument("target-jid")
+    parser.add_argument("node", nargs='?')
+
+    args = parser.parse_args()
 
     # Setup logging.
-    logging.basicConfig(level=opts.loglevel,
+    logging.basicConfig(level=args.loglevel,
                         format='%(levelname)-8s %(message)s')
 
-    if len(args) < 2:
-        optp.print_help()
-        exit()
-
-    if len(args) == 2:
-        args = (args[0], args[1], '')
-
-    if opts.jid is None:
-        opts.jid = input("Username: ")
-    if opts.password is None:
-        opts.password = getpass("Password: ")
+    if args.jid is None:
+        args.jid = input("Username: ")
+    if args.password is None:
+        args.password = getpass("Password: ")
 
     # Setup the Disco browser.
-    xmpp = Disco(opts.jid, opts.password, args[1], args[2], args[0])
+    xmpp = Disco(args.jid, args.password, args.target_jid, args.node, args.query)
 
     # Connect to the XMPP server and start processing XMPP stanzas.
     xmpp.connect()
-- 
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