Add bash completion for opensips-event

Author: dariusstefan

completion.sh

@@ -1,4 +1,3 @@
-# OpenSIPS CLI autocompletion
 function _opensips-mi-complete() {
     local cur prev opts completed_args
     COMPREPLY=()
@@ -28,3 +27,33 @@ function _opensips-mi-complete() {
 }
 
 complete -F _opensips-mi-complete opensips-mi
+
+function _opensips-event-complete() {
+    local cur prev opts completed_args
+    COMPREPLY=()
+
+    cur="${COMP_WORDS[COMP_CWORD]}"
+
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+    completed_args=""
+    if [[ "${prev:0:1}" != "-" ]]; then
+        if [[ $COMP_CWORD -ge 2 ]]; then
+            completed_args="${COMP_WORDS[@]:1:COMP_CWORD-2}"
+            if [[ "${COMP_WORDS[COMP_CWORD-2]:0:1}" == "-" ]]; then
+                completed_args="$completed_args $prev"
+            fi
+        fi
+        opts="$(opensips-event $completed_args -bc)"
+    else
+        while [[ "${prev:0:1}" == "-" ]]; do
+            prev="${prev:1}"
+        done
+        completed_args="${COMP_WORDS[@]:1:COMP_CWORD-2}"
+        opts="$(opensips-event -bc $prev)"
+    fi
+
+    COMPREPLY=( $(compgen -W "$opts" -- "$cur") )
+}
+
+complete -F _opensips-event-complete opensips-event

opensips/event/__main__.py

@@ -57,10 +57,17 @@
                            type=str,
                            help='OpenSIPS MI FIFO Reply Directory')
 
+parser.add_argument('-bc', '--bash-complete',
+                    type=str,
+                    nargs='?',
+                    const='',
+                    help='Provide options for bash completion')
+
 event = parser.add_argument_group('event')
 
 event.add_argument('event',
                    type=str,
+                   nargs='?',
                    help='OpenSIPS Event Name')
 
 event.add_argument('-T', '--transport',
@@ -101,9 +108,43 @@ def main():
     elif args.type == 'datagram':
         mi = OpenSIPSMI('datagram',
                         datagram_ip=args.ip,
-                        datagram_port=args.port)
+                        datagram_port=args.port,
+                        timeout=0.1)
     else:
-        print(f'Unknown type: {args.type}')
+        if not args.bash_complete:
+            print(f'Unknown type: {args.type}')
+        sys.exit(1)
+
+    if args.bash_complete is not None:
+        if args.bash_complete != '':
+            if len(args.bash_complete) > 1:
+                last_arg = '--' + args.bash_complete
+            else:
+                last_arg = '-' + args.bash_complete
+            
+            for action in parser._actions:
+                if last_arg in action.option_strings:
+                    if action.choices:
+                        print(' '.join(action.choices))
+                    break
+            sys.exit(0)
+        else:
+            options = []
+            for action in parser._actions:
+                for opt in action.option_strings:
+                    options.append(opt)
+            print(' '.join(options))
+        try:
+            response = mi.execute('events_list', [])
+            events = response.get("Events", [])
+            event_names = [event["name"] for event in events]
+            print(' '.join(event_names))
+            sys.exit(0)
+        except Exception as e:
+            sys.exit(1)
+
+    if args.event is None:
+        print('Event name is required')
         sys.exit(1)
 
     hdl = OpenSIPSEventHandler(mi, args.transport,