begin introducing structure & sub parsers

ungleichcli.py

@@ -2,23 +2,65 @@ import requests
 import argparse
 
 
+VERSION = "0.0.2"
+
 def msg(name=None):
     return '''ungleich-cli --set-reverse <ipv6adrress> --user <username> --token <token> --name <hostname>'''
 
 
-parser = argparse.ArgumentParser(description="This script set the reverse dns for your VM", usage=msg())
+class ungleichCLI(object):
+    def __init__(self):
+        self._init_parser()
 
-parser.add_argument('--set-reverse', help='REQUIRED: IPv6 Address of your VM', metavar='', required=True)
-parser.add_argument('--user', help='Your ungleich username', metavar='', required=True)
-parser.add_argument('--token', help='Your ungleich 6 digit OTP generated token', metavar='', type=int, required=True)
-parser.add_argument('--name', help='Hostname', metavar='', required=True)
+    def _init_parser(self):
 
-args = parser.parse_args()
+        self.parser = {}
 
+        # Options _all_ parsers have in common
+        self.parser['loglevel'] = argparse.ArgumentParser(add_help=False)
+        self.parser['loglevel'].add_argument(
+            '-v', '--verbose',
+            action='count',
+            dest='verbose',
+            required=False)
 
-def cli():
+        # Main subcommand parser
+        self.parser['main'] = argparse.ArgumentParser(
+            description='ungleich-cli ' + VERSION)
+        self.parser['main'].add_argument(
+            '-V', '--version', help='Show version.', action='version',
+            version='%(prog)s ' + VERSION)
+        self.parser['sub'] = self.parser['main'].add_subparsers(
+            title="Commands", dest="command")
+
+        # Parents used for all parsers
+        self.parser_parents = self.parser['loglevel']
+
+    def _init_ripe(self):
+        self.parser['ripe'] = self.parser['sub'].add_parser(
+            'ripe', parents=[self.parser_parents])
+
+    def _init_dns(self):
+        self.parser['dns'] = self.parser['sub'].add_parser(
+            'dns', parents=[self.parser_parents])
+
+        self.parser['dns'].add_argument('--set-reverse', help='REQUIRED: IPv6 Address of your VM', metavar='', required=True)
+        self.parser['dns'].add_argument('--user', help='Your ungleich username', metavar='', required=True)
+        self.parser['dns'].add_argument('--token', help='Your ungleich 6 digit OTP generated token', metavar='', type=int, required=True)
+        self.parser['dns'].add_argument('--name', help='Hostname', metavar='', required=True)
+
+    def _handle_dns(self):
         """A dummy endpoint, to check what endpoint will be reverse-dns service."""
         r = requests.post(
             'https://en53kfc0hydpg.x.pipedream.net',
             json={'username': args.user, 'token': args.token, 'ipaddress': args.set_reverse, 'name': args.name})
         return r.text
+
+    def commandline(self):
+        args = self.parser['main'].parse_args()
+
+
+
+if __name__ == '__main__':
+    cli = ungleichCLI()
+    cli.commandline()