--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_avatar.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,135 @@
+#!/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 os
+import os.path
+import asyncio
+from . import base
+from libervia.backend.core.i18n import _
+from libervia.cli.constants import Const as C
+from libervia.backend.tools import config
+from libervia.backend.tools.common import data_format
+
+
+__commands__ = ["Avatar"]
+DISPLAY_CMD = ["xdg-open", "xv", "display", "gwenview", "showtell"]
+
+
+class Get(base.CommandBase):
+    def __init__(self, host):
+        super(Get, self).__init__(
+            host, "get", use_verbose=True, help=_("retrieve avatar of an entity")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "--no-cache", action="store_true", help=_("do no use cached values")
+        )
+        self.parser.add_argument(
+            "-s", "--show", action="store_true", help=_("show avatar")
+        )
+        self.parser.add_argument("jid", nargs='?', default='', help=_("entity"))
+
+    async def show_image(self, path):
+        sat_conf = config.parse_main_conf()
+        cmd = config.config_get(sat_conf, C.CONFIG_SECTION, "image_cmd")
+        cmds = [cmd] + DISPLAY_CMD if cmd else DISPLAY_CMD
+        for cmd in cmds:
+            try:
+                process = await asyncio.create_subprocess_exec(cmd, path)
+                ret = await process.wait()
+            except OSError:
+                continue
+
+            if ret in (0, 2):
+                # we can get exit code 2 with display when stopping it with C-c
+                break
+        else:
+            # didn't worked with commands, we try our luck with webbrowser
+            # in some cases, webbrowser can actually open the associated display program.
+            # Note that this may be possibly blocking, depending on the platform and
+            # available browser
+            import webbrowser
+
+            webbrowser.open(path)
+
+    async def start(self):
+        try:
+            avatar_data_raw = await self.host.bridge.avatar_get(
+                self.args.jid,
+                not self.args.no_cache,
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't retrieve avatar: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+
+        avatar_data = data_format.deserialise(avatar_data_raw, type_check=None)
+
+        if not avatar_data:
+            self.disp(_("No avatar found."), 1)
+            self.host.quit(C.EXIT_NOT_FOUND)
+
+        avatar_path = avatar_data['path']
+
+        self.disp(avatar_path)
+        if self.args.show:
+            await self.show_image(avatar_path)
+
+        self.host.quit()
+
+
+class Set(base.CommandBase):
+    def __init__(self, host):
+        super(Set, self).__init__(
+            host, "set", use_verbose=True,
+            help=_("set avatar of the profile or an entity")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "-j", "--jid", default='', help=_("entity whose avatar must be changed"))
+        self.parser.add_argument(
+            "image_path", type=str, help=_("path to the image to upload")
+        )
+
+    async def start(self):
+        path = self.args.image_path
+        if not os.path.exists(path):
+            self.disp(_("file {path} doesn't exist!").format(path=repr(path)), error=True)
+            self.host.quit(C.EXIT_BAD_ARG)
+        path = os.path.abspath(path)
+        try:
+            await self.host.bridge.avatar_set(path, self.args.jid, self.profile)
+        except Exception as e:
+            self.disp(f"can't set avatar: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.disp(_("avatar has been set"), 1)
+            self.host.quit()
+
+
+class Avatar(base.CommandBase):
+    subcommands = (Get, Set)
+
+    def __init__(self, host):
+        super(Avatar, self).__init__(
+            host, "avatar", use_profile=False, help=_("avatar uploading/retrieving")
+        )