--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_blocking.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,137 @@
+#!/usr/bin/env python3
+
+
+# Libervia CLI
+# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import json
+import os
+from libervia.backend.core.i18n import _
+from libervia.backend.tools.common import data_format
+from libervia.cli import common
+from libervia.cli.constants import Const as C
+from . import base
+
+__commands__ = ["Blocking"]
+
+
+class List(base.CommandBase):
+    def __init__(self, host):
+        super().__init__(
+            host,
+            "list",
+            use_output=C.OUTPUT_LIST,
+            help=_("list blocked entities"),
+        )
+
+    def add_parser_options(self):
+        pass
+
+    async def start(self):
+        try:
+            blocked_jids = await self.host.bridge.blocking_list(
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't get blocked entities: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            await self.output(blocked_jids)
+            self.host.quit(C.EXIT_OK)
+
+
+class Block(base.CommandBase):
+    def __init__(self, host):
+        super().__init__(
+            host,
+            "block",
+            help=_("block one or more entities"),
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "entities",
+            nargs="+",
+            metavar="JID",
+            help=_("JIDs of entities to block"),
+        )
+
+    async def start(self):
+        try:
+            await self.host.bridge.blocking_block(
+                self.args.entities,
+                self.profile
+            )
+        except Exception as e:
+            self.disp(f"can't block entities: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.host.quit(C.EXIT_OK)
+
+
+class Unblock(base.CommandBase):
+    def __init__(self, host):
+        super().__init__(
+            host,
+            "unblock",
+            help=_("unblock one or more entities"),
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "entities",
+            nargs="+",
+            metavar="JID",
+            help=_("JIDs of entities to unblock"),
+        )
+        self.parser.add_argument(
+            "-f",
+            "--force",
+            action="store_true",
+            help=_('when "all" is used, unblock all entities without confirmation'),
+        )
+
+    async def start(self):
+        if self.args.entities == ["all"]:
+            if not self.args.force:
+                await self.host.confirm_or_quit(
+                    _("All entities will be unblocked, are you sure"),
+                    _("unblock cancelled")
+                )
+            self.args.entities.clear()
+        elif self.args.force:
+            self.parser.error(_('--force is only allowed when "all" is used as target'))
+
+        try:
+            await self.host.bridge.blocking_unblock(
+                self.args.entities,
+                self.profile
+            )
+        except Exception as e:
+            self.disp(f"can't unblock entities: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.host.quit(C.EXIT_OK)
+
+
+class Blocking(base.CommandBase):
+    subcommands = (List, Block, Unblock)
+
+    def __init__(self, host):
+        super().__init__(
+            host, "blocking", use_profile=False, help=_("entities blocking")
+        )