--- a/libervia/backend/core/launcher.py	Fri Jun 02 14:12:38 2023 +0200
+++ b/libervia/backend/core/launcher.py	Fri Jun 02 14:54:26 2023 +0200
@@ -73,7 +73,7 @@
             pid = int(pid_file.read_text())
         except Exception as e:
             print(f"Can't read PID file at {pid_file}: {e}")
-            # we use the same exit code as DATA_ERROR in jp
+            # we use the same exit code as DATA_ERROR in CLI frontend
             sys.exit(17)
         print(f"Terminating {self.APP_NAME}…")
         os.kill(pid, signal.SIGTERM)
@@ -114,7 +114,7 @@
                 pid = int(pid_file.read_text())
             except Exception as e:
                 print(f"Can't read PID file at {pid_file}: {e}")
-                # we use the same exit code as DATA_ERROR in jp
+                # we use the same exit code as DATA_ERROR in CLI frontend
                 sys.exit(17)
             # we check if there is a process
             # inspired by https://stackoverflow.com/a/568285 and https://stackoverflow.com/a/6940314

--- a/libervia/backend/plugins/plugin_blog_import_dokuwiki.py	Fri Jun 02 14:12:38 2023 +0200
+++ b/libervia/backend/plugins/plugin_blog_import_dokuwiki.py	Fri Jun 02 14:54:26 2023 +0200
@@ -86,9 +86,9 @@
 media_repo: URL to the new remote media repository (default: none)
 limit: maximal number of posts to import (default: 100)
 
-Example of usage (with jp frontend):
+Example of usage (with CLI frontend):
 
-jp import dokuwiki -p dave --pwd xxxxxx --connect
+li import dokuwiki -p dave --pwd xxxxxx --connect
     http://127.0.1.1 -o user souliane -o passwd qwertz
     -o namespace public:2015:10
     -o media_repo http://media.diekulturvermittlung.at

--- a/libervia/backend/tools/common/template.py	Fri Jun 02 14:12:38 2023 +0200
+++ b/libervia/backend/tools/common/template.py	Fri Jun 02 14:54:26 2023 +0200
@@ -589,7 +589,7 @@
         @return (tuple[unicode, unicode]): theme and absolute path to theme's root dir
         @raise NotFound: requested site has not been found
         """
-        # FIXME: check use in jp, and include site
+        # FIXME: check use in CLI frontend, and include site
         site, theme, __ = self.env.loader.parse_template(template)
         if site is None:
             # absolute template

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/arg_tools.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,104 @@
+#!/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/>.
+
+from libervia.backend.core.i18n import _
+from libervia.backend.core import exceptions
+
+
+def escape(arg, smart=True):
+    """format arg with quotes
+
+    @param smart(bool): if True, only escape if needed
+    """
+    if smart and not " " in arg and not '"' in arg:
+        return arg
+    return '"' + arg.replace('"', '\\"') + '"'
+
+
+def get_cmd_choices(cmd=None, parser=None):
+    try:
+        choices = parser._subparsers._group_actions[0].choices
+        return choices[cmd] if cmd is not None else choices
+    except (KeyError, AttributeError):
+        raise exceptions.NotFound
+
+
+def get_use_args(host, args, use, verbose=False, parser=None):
+    """format args for argparse parser with values prefilled
+
+    @param host(LiberviaCli): LiberviaCli instance
+    @param args(list(str)): arguments to use
+    @param use(dict[str, str]): arguments to fill if found in parser
+    @param verbose(bool): if True a message will be displayed when argument is used or not
+    @param parser(argparse.ArgumentParser): parser to use
+    @return (tuple[list[str],list[str]]): 2 args lists:
+        - parser args, i.e. given args corresponding to parsers
+        - use args, i.e. generated args from use
+    """
+    # FIXME: positional args are not handled correclty
+    #        if there is more that one, the position is not corrected
+    if parser is None:
+        parser = host.parser
+
+    # we check not optional args to see if there
+    # is a corresonding parser
+    # else USE args would not work correctly (only for current parser)
+    parser_args = []
+    for arg in args:
+        if arg.startswith("-"):
+            break
+        try:
+            parser = get_cmd_choices(arg, parser)
+        except exceptions.NotFound:
+            break
+        parser_args.append(arg)
+
+    # post_args are remaning given args,
+    # without the ones corresponding to parsers
+    post_args = args[len(parser_args) :]
+
+    opt_args = []
+    pos_args = []
+    actions = {a.dest: a for a in parser._actions}
+    for arg, value in use.items():
+        try:
+            if arg == "item" and not "item" in actions:
+                # small hack when --item is appended to a --items list
+                arg = "items"
+            action = actions[arg]
+        except KeyError:
+            if verbose:
+                host.disp(
+                    _(
+                        "ignoring {name}={value}, not corresponding to any argument (in USE)"
+                    ).format(name=arg, value=escape(value))
+                )
+        else:
+            if verbose:
+                host.disp(
+                    _("arg {name}={value} (in USE)").format(
+                        name=arg, value=escape(value)
+                    )
+                )
+            if not action.option_strings:
+                pos_args.append(value)
+            else:
+                opt_args.append(action.option_strings[0])
+                opt_args.append(value)
+    return parser_args, opt_args + pos_args + post_args

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/base.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,1435 @@
+#!/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 asyncio
+from libervia.backend.core.i18n import _
+
+### logging ###
+import logging as log
+log.basicConfig(level=log.WARNING,
+                format='[%(name)s] %(message)s')
+###
+
+import sys
+import os
+import os.path
+import argparse
+import inspect
+import tty
+import termios
+from pathlib import Path
+from glob import iglob
+from typing import Optional, Set, Union
+from importlib import import_module
+from libervia.frontends.tools.jid import JID
+from libervia.backend.tools import config
+from libervia.backend.tools.common import dynamic_import
+from libervia.backend.tools.common import uri
+from libervia.backend.tools.common import date_utils
+from libervia.backend.tools.common import utils
+from libervia.backend.tools.common import data_format
+from libervia.backend.tools.common.ansi import ANSI as A
+from libervia.backend.core import exceptions
+import libervia.cli
+from libervia.cli.loops import QuitException, get_libervia_cli_loop
+from libervia.cli.constants import Const as C
+from libervia.frontends.bridge.bridge_frontend import BridgeException
+from libervia.frontends.tools import misc
+import xml.etree.ElementTree as ET  # FIXME: used temporarily to manage XMLUI
+from collections import OrderedDict
+
+## bridge handling
+# we get bridge name from conf and initialise the right class accordingly
+main_config = config.parse_main_conf()
+bridge_name = config.config_get(main_config, '', 'bridge', 'dbus')
+LiberviaCLILoop = get_libervia_cli_loop(bridge_name)
+
+
+try:
+    import progressbar
+except ImportError:
+    msg = (_('ProgressBar not available, please download it at '
+             'http://pypi.python.org/pypi/progressbar\n'
+             'Progress bar deactivated\n--\n'))
+    print(msg, file=sys.stderr)
+    progressbar=None
+
+#consts
+DESCRIPTION = """This software is a command line tool for XMPP.
+Get the latest version at """ + C.APP_URL
+
+COPYLEFT = """Copyright (C) 2009-2021 Jérôme Poisson, Adrien Cossa
+This program comes with ABSOLUTELY NO WARRANTY;
+This is free software, and you are welcome to redistribute it under certain conditions.
+"""
+
+PROGRESS_DELAY = 0.1 # the progression will be checked every PROGRESS_DELAY s
+
+
+def date_decoder(arg):
+    return date_utils.date_parse_ext(arg, default_tz=date_utils.TZ_LOCAL)
+
+
+class LiberviaCli:
+    """
+    This class can be use to establish a connection with the
+    bridge. Moreover, it should manage a main loop.
+
+    To use it, you mainly have to redefine the method run to perform
+    specify what kind of operation you want to perform.
+
+    """
+    def __init__(self):
+        """
+
+        @attribute quit_on_progress_end (bool): set to False if you manage yourself
+            exiting, or if you want the user to stop by himself
+        @attribute progress_success(callable): method to call when progress just started
+            by default display a message
+        @attribute progress_success(callable): method to call when progress is
+            successfully finished by default display a message
+        @attribute progress_failure(callable): method to call when progress failed
+            by default display a message
+        """
+        self.sat_conf = main_config
+        self.set_color_theme()
+        bridge_module = dynamic_import.bridge(bridge_name, 'libervia.frontends.bridge')
+        if bridge_module is None:
+            log.error("Can't import {} bridge".format(bridge_name))
+            sys.exit(1)
+
+        self.bridge = bridge_module.AIOBridge()
+        self._onQuitCallbacks = []
+
+    def get_config(self, name, section=C.CONFIG_SECTION, default=None):
+        """Retrieve a setting value from sat.conf"""
+        return config.config_get(self.sat_conf, section, name, default=default)
+
+    def guess_background(self):
+        # cf. https://unix.stackexchange.com/a/245568 (thanks!)
+        try:
+            # for VTE based terminals
+            vte_version = int(os.getenv("VTE_VERSION", 0))
+        except ValueError:
+            vte_version = 0
+
+        color_fg_bg = os.getenv("COLORFGBG")
+
+        if ((sys.stdin.isatty() and sys.stdout.isatty()
+             and (
+                 # XTerm
+                 os.getenv("XTERM_VERSION")
+                 # Konsole
+                 or os.getenv("KONSOLE_VERSION")
+                 # All VTE based terminals
+                 or vte_version >= 3502
+             ))):
+            # ANSI escape sequence
+            stdin_fd = sys.stdin.fileno()
+            old_settings = termios.tcgetattr(stdin_fd)
+            try:
+                tty.setraw(sys.stdin.fileno())
+                # we request background color
+                sys.stdout.write("\033]11;?\a")
+                sys.stdout.flush()
+                expected = "\033]11;rgb:"
+                for c in expected:
+                    ch = sys.stdin.read(1)
+                    if ch != c:
+                        # background id is not supported, we default to "dark"
+                        # TODO: log something?
+                        return 'dark'
+                red, green, blue = [
+                    int(c, 16)/65535 for c in sys.stdin.read(14).split('/')
+                ]
+                # '\a' is the last character
+                sys.stdin.read(1)
+            finally:
+                termios.tcsetattr(stdin_fd, termios.TCSADRAIN, old_settings)
+
+            lum = utils.per_luminance(red, green, blue)
+            if lum <= 0.5:
+                return 'dark'
+            else:
+                return 'light'
+        elif color_fg_bg:
+            # no luck with ANSI escape sequence, we try COLORFGBG environment variable
+            try:
+                bg = int(color_fg_bg.split(";")[-1])
+            except ValueError:
+                return "dark"
+            if bg in list(range(7)) + [8]:
+                return "dark"
+            else:
+                return "light"
+        else:
+            # no autodetection method found
+            return "dark"
+
+    def set_color_theme(self):
+        background = self.get_config('background', default='auto')
+        if background == 'auto':
+            background = self.guess_background()
+        if background not in ('dark', 'light'):
+            raise exceptions.ConfigError(_(
+                'Invalid value set for "background" ({background}), please check '
+                'your settings in libervia.conf').format(
+                    background=repr(background)
+                ))
+        self.background = background
+        if background == 'light':
+            C.A_HEADER = A.FG_MAGENTA
+            C.A_SUBHEADER = A.BOLD + A.FG_RED
+            C.A_LEVEL_COLORS = (C.A_HEADER, A.BOLD + A.FG_BLUE, A.FG_MAGENTA, A.FG_CYAN)
+            C.A_SUCCESS = A.FG_GREEN
+            C.A_FAILURE = A.BOLD + A.FG_RED
+            C.A_WARNING = A.FG_RED
+            C.A_PROMPT_PATH = A.FG_BLUE
+            C.A_PROMPT_SUF = A.BOLD
+            C.A_DIRECTORY = A.BOLD + A.FG_MAGENTA
+            C.A_FILE = A.FG_BLACK
+
+    def _bridge_connected(self):
+        self.parser = argparse.ArgumentParser(
+            formatter_class=argparse.RawDescriptionHelpFormatter, description=DESCRIPTION)
+        self._make_parents()
+        self.add_parser_options()
+        self.subparsers = self.parser.add_subparsers(
+            title=_('Available commands'), dest='command', required=True)
+
+        # progress attributes
+        self._progress_id = None # TODO: manage several progress ids
+        self.quit_on_progress_end = True
+
+        # outputs
+        self._outputs = {}
+        for type_ in C.OUTPUT_TYPES:
+            self._outputs[type_] = OrderedDict()
+        self.default_output = {}
+
+        self.own_jid = None  # must be filled at runtime if needed
+
+    @property
+    def progress_id(self):
+        return self._progress_id
+
+    async def set_progress_id(self, progress_id):
+        # because we use async, we need an explicit setter
+        self._progress_id = progress_id
+        await self.replay_cache('progress_ids_cache')
+
+    @property
+    def watch_progress(self):
+        try:
+            self.pbar
+        except AttributeError:
+            return False
+        else:
+            return True
+
+    @watch_progress.setter
+    def watch_progress(self, watch_progress):
+        if watch_progress:
+            self.pbar = None
+
+    @property
+    def verbosity(self):
+        try:
+            return self.args.verbose
+        except AttributeError:
+            return 0
+
+    async def replay_cache(self, cache_attribute):
+        """Replay cached signals
+
+        @param cache_attribute(str): name of the attribute containing the cache
+            if the attribute doesn't exist, there is no cache and the call is ignored
+            else the cache must be a list of tuples containing the replay callback as
+            first item, then the arguments to use
+        """
+        try:
+            cache = getattr(self, cache_attribute)
+        except AttributeError:
+            pass
+        else:
+            for cache_data in cache:
+                await cache_data[0](*cache_data[1:])
+
+    def disp(self, msg, verbosity=0, error=False, end='\n'):
+        """Print a message to user
+
+        @param msg(unicode): message to print
+        @param verbosity(int): minimal verbosity to display the message
+        @param error(bool): if True, print to stderr instead of stdout
+        @param end(str): string appended after the last value, default a newline
+        """
+        if self.verbosity >= verbosity:
+            if error:
+                print(msg, end=end, file=sys.stderr)
+            else:
+                print(msg, end=end)
+
+    async def output(self, type_, name, extra_outputs, data):
+        if name in extra_outputs:
+            method = extra_outputs[name]
+        else:
+            method = self._outputs[type_][name]['callback']
+
+        ret = method(data)
+        if inspect.isawaitable(ret):
+            await ret
+
+    def add_on_quit_callback(self, callback, *args, **kwargs):
+        """Add a callback which will be called on quit command
+
+        @param callback(callback): method to call
+        """
+        self._onQuitCallbacks.append((callback, args, kwargs))
+
+    def get_output_choices(self, output_type):
+        """Return valid output filters for output_type
+
+        @param output_type: True for default,
+            else can be any registered type
+        """
+        return list(self._outputs[output_type].keys())
+
+    def _make_parents(self):
+        self.parents = {}
+
+        # we have a special case here as the start-session option is present only if
+        # connection is not needed, so we create two similar parents, one with the
+        # option, the other one without it
+        for parent_name in ('profile', 'profile_session'):
+            parent = self.parents[parent_name] = argparse.ArgumentParser(add_help=False)
+            parent.add_argument(
+                "-p", "--profile", action="store", type=str, default='@DEFAULT@',
+                help=_("Use PROFILE profile key (default: %(default)s)"))
+            parent.add_argument(
+                "--pwd", action="store", metavar='PASSWORD',
+                help=_("Password used to connect profile, if necessary"))
+
+        profile_parent, profile_session_parent = (self.parents['profile'],
+                                                  self.parents['profile_session'])
+
+        connect_short, connect_long, connect_action, connect_help = (
+            "-c", "--connect", "store_true",
+            _("Connect the profile before doing anything else")
+        )
+        profile_parent.add_argument(
+            connect_short, connect_long, action=connect_action, help=connect_help)
+
+        profile_session_connect_group = profile_session_parent.add_mutually_exclusive_group()
+        profile_session_connect_group.add_argument(
+            connect_short, connect_long, action=connect_action, help=connect_help)
+        profile_session_connect_group.add_argument(
+            "--start-session", action="store_true",
+            help=_("Start a profile session without connecting"))
+
+        progress_parent = self.parents['progress'] = argparse.ArgumentParser(
+            add_help=False)
+        if progressbar:
+            progress_parent.add_argument(
+                "-P", "--progress", action="store_true", help=_("Show progress bar"))
+
+        verbose_parent = self.parents['verbose'] = argparse.ArgumentParser(add_help=False)
+        verbose_parent.add_argument(
+            '--verbose', '-v', action='count', default=0,
+            help=_("Add a verbosity level (can be used multiple times)"))
+
+        quiet_parent = self.parents['quiet'] = argparse.ArgumentParser(add_help=False)
+        quiet_parent.add_argument(
+            '--quiet', '-q', action='store_true',
+            help=_("be quiet (only output machine readable data)"))
+
+        draft_parent = self.parents['draft'] = argparse.ArgumentParser(add_help=False)
+        draft_group = draft_parent.add_argument_group(_('draft handling'))
+        draft_group.add_argument(
+            "-D", "--current", action="store_true", help=_("load current draft"))
+        draft_group.add_argument(
+            "-F", "--draft-path", type=Path, help=_("path to a draft file to retrieve"))
+
+
+    def make_pubsub_group(self, flags, defaults):
+        """Generate pubsub options according to flags
+
+        @param flags(iterable[unicode]): see [CommandBase.__init__]
+        @param defaults(dict[unicode, unicode]): help text for default value
+            key can be "service" or "node"
+            value will be set in " (DEFAULT: {value})", or can be None to remove DEFAULT
+        @return (ArgumentParser): parser to add
+        """
+        flags = misc.FlagsHandler(flags)
+        parent = argparse.ArgumentParser(add_help=False)
+        pubsub_group = parent.add_argument_group('pubsub')
+        pubsub_group.add_argument("-u", "--pubsub-url",
+                                  help=_("Pubsub URL (xmpp or http)"))
+
+        service_help = _("JID of the PubSub service")
+        if not flags.service:
+            default = defaults.pop('service', _('PEP service'))
+            if default is not None:
+                service_help += _(" (DEFAULT: {default})".format(default=default))
+        pubsub_group.add_argument("-s", "--service", default='',
+                                  help=service_help)
+
+        node_help = _("node to request")
+        if not flags.node:
+            default = defaults.pop('node', _('standard node'))
+            if default is not None:
+                node_help += _(" (DEFAULT: {default})".format(default=default))
+        pubsub_group.add_argument("-n", "--node", default='', help=node_help)
+
+        if flags.single_item:
+            item_help = ("item to retrieve")
+            if not flags.item:
+                default = defaults.pop('item', _('last item'))
+                if default is not None:
+                    item_help += _(" (DEFAULT: {default})".format(default=default))
+            pubsub_group.add_argument("-i", "--item", default='',
+                                      help=item_help)
+            pubsub_group.add_argument(
+                "-L", "--last-item", action='store_true', help=_('retrieve last item'))
+        elif flags.multi_items:
+            # mutiple items, this activate several features: max-items, RSM, MAM
+            # and Orbder-by
+            pubsub_group.add_argument(
+                "-i", "--item", action='append', dest='items', default=[],
+                help=_("items to retrieve (DEFAULT: all)"))
+            if not flags.no_max:
+                max_group = pubsub_group.add_mutually_exclusive_group()
+                # XXX: defaut value for --max-items or --max is set in parse_pubsub_args
+                max_group.add_argument(
+                    "-M", "--max-items", dest="max", type=int,
+                    help=_("maximum number of items to get ({no_limit} to get all items)"
+                           .format(no_limit=C.NO_LIMIT)))
+                # FIXME: it could be possible to no duplicate max (between pubsub
+                #        max-items and RSM max)should not be duplicated, RSM could be
+                #        used when available and pubsub max otherwise
+                max_group.add_argument(
+                    "-m", "--max", dest="rsm_max", type=int,
+                    help=_("maximum number of items to get per page (DEFAULT: 10)"))
+
+            # RSM
+
+            rsm_page_group = pubsub_group.add_mutually_exclusive_group()
+            rsm_page_group.add_argument(
+                "-a", "--after", dest="rsm_after",
+                help=_("find page after this item"), metavar='ITEM_ID')
+            rsm_page_group.add_argument(
+                "-b", "--before", dest="rsm_before",
+                help=_("find page before this item"), metavar='ITEM_ID')
+            rsm_page_group.add_argument(
+                "--index", dest="rsm_index", type=int,
+                help=_("index of the first item to retrieve"))
+
+
+            # MAM
+
+            pubsub_group.add_argument(
+                "-f", "--filter", dest='mam_filters', nargs=2,
+                action='append', default=[], help=_("MAM filters to use"),
+                metavar=("FILTER_NAME", "VALUE")
+            )
+
+            # Order-By
+
+            # TODO: order-by should be a list to handle several levels of ordering
+            #       but this is not yet done in SàT (and not really useful with
+            #       current specifications, as only "creation" and "modification" are
+            #       available)
+            pubsub_group.add_argument(
+                "-o", "--order-by", choices=[C.ORDER_BY_CREATION,
+                                             C.ORDER_BY_MODIFICATION],
+                help=_("how items should be ordered"))
+
+        if flags[C.CACHE]:
+            pubsub_group.add_argument(
+                "-C", "--no-cache", dest="use_cache", action='store_false',
+                help=_("don't use Pubsub cache")
+            )
+
+        if not flags.all_used:
+            raise exceptions.InternalError('unknown flags: {flags}'.format(
+                flags=', '.join(flags.unused)))
+        if defaults:
+            raise exceptions.InternalError(f'unused defaults: {defaults}')
+
+        return parent
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            '--version',
+            action='version',
+            version=("{name} {version} {copyleft}".format(
+                name = C.APP_NAME,
+                version = self.version,
+                copyleft = COPYLEFT))
+        )
+
+    def register_output(self, type_, name, callback, description="", default=False):
+        if type_ not in C.OUTPUT_TYPES:
+            log.error("Invalid output type {}".format(type_))
+            return
+        self._outputs[type_][name] = {'callback': callback,
+                                      'description': description
+                                     }
+        if default:
+            if type_ in self.default_output:
+                self.disp(
+                    _('there is already a default output for {type}, ignoring new one')
+                    .format(type=type_)
+                )
+            else:
+                self.default_output[type_] = name
+
+
+    def parse_output_options(self):
+        options = self.command.args.output_opts
+        options_dict = {}
+        for option in options:
+            try:
+                key, value = option.split('=', 1)
+            except ValueError:
+                key, value = option, None
+            options_dict[key.strip()] = value.strip() if value is not None else None
+        return options_dict
+
+    def check_output_options(self, accepted_set, options):
+        if not accepted_set.issuperset(options):
+            self.disp(
+                _("The following output options are invalid: {invalid_options}").format(
+                invalid_options = ', '.join(set(options).difference(accepted_set))),
+                error=True)
+            self.quit(C.EXIT_BAD_ARG)
+
+    def import_plugins(self):
+        """Automaticaly import commands and outputs in CLI frontend
+
+        looks from modules names cmd_*.py in CLI frontend path and import them
+        """
+        path = os.path.dirname(libervia.cli.__file__)
+        # XXX: outputs must be imported before commands as they are used for arguments
+        for type_, pattern in ((C.PLUGIN_OUTPUT, 'output_*.py'),
+                               (C.PLUGIN_CMD, 'cmd_*.py')):
+            modules = (
+                os.path.splitext(module)[0]
+                for module in map(os.path.basename, iglob(os.path.join(path, pattern))))
+            for module_name in modules:
+                module_path = "libervia.cli." + module_name
+                try:
+                    module = import_module(module_path)
+                    self.import_plugin_module(module, type_)
+                except ImportError as e:
+                    self.disp(
+                        _("Can't import {module_path} plugin, ignoring it: {e}")
+                        .format(module_path=module_path, e=e),
+                        error=True)
+                except exceptions.CancelError:
+                    continue
+                except exceptions.MissingModule as e:
+                    self.disp(_("Missing module for plugin {name}: {missing}".format(
+                        name = module_path,
+                        missing = e)), error=True)
+
+
+    def import_plugin_module(self, module, type_):
+        """add commands or outpus from a module to CLI frontend
+
+        @param module: module containing commands or outputs
+        @param type_(str): one of C_PLUGIN_*
+        """
+        try:
+            class_names =  getattr(module, '__{}__'.format(type_))
+        except AttributeError:
+            log.disp(
+                _("Invalid plugin module [{type}] {module}")
+                .format(type=type_, module=module),
+                error=True)
+            raise ImportError
+        else:
+            for class_name in class_names:
+                cls = getattr(module, class_name)
+                cls(self)
+
+    def get_xmpp_uri_from_http(self, http_url):
+        """parse HTML page at http(s) URL, and looks for xmpp: uri"""
+        if http_url.startswith('https'):
+            scheme = 'https'
+        elif http_url.startswith('http'):
+            scheme = 'http'
+        else:
+            raise exceptions.InternalError('An HTTP scheme is expected in this method')
+        self.disp(f"{scheme.upper()} URL found, trying to find associated xmpp: URI", 1)
+        # HTTP URL, we try to find xmpp: links
+        try:
+            from lxml import etree
+        except ImportError:
+            self.disp(
+                "lxml module must be installed to use http(s) scheme, please install it "
+                "with \"pip install lxml\"",
+                error=True)
+            self.quit(1)
+        import urllib.request, urllib.error, urllib.parse
+        parser = etree.HTMLParser()
+        try:
+            root = etree.parse(urllib.request.urlopen(http_url), parser)
+        except etree.XMLSyntaxError as e:
+            self.disp(_("Can't parse HTML page : {msg}").format(msg=e))
+            links = []
+        else:
+            links = root.xpath("//link[@rel='alternate' and starts-with(@href, 'xmpp:')]")
+        if not links:
+            self.disp(
+                _('Could not find alternate "xmpp:" URI, can\'t find associated XMPP '
+                  'PubSub node/item'),
+                error=True)
+            self.quit(1)
+        xmpp_uri = links[0].get('href')
+        return xmpp_uri
+
+    def parse_pubsub_args(self):
+        if self.args.pubsub_url is not None:
+            url = self.args.pubsub_url
+
+            if url.startswith('http'):
+                # http(s) URL, we try to retrieve xmpp one from there
+                url = self.get_xmpp_uri_from_http(url)
+
+            try:
+                uri_data = uri.parse_xmpp_uri(url)
+            except ValueError:
+                self.parser.error(_('invalid XMPP URL: {url}').format(url=url))
+            else:
+                if uri_data['type'] == 'pubsub':
+                    # URL is alright, we only set data not already set by other options
+                    if not self.args.service:
+                        self.args.service = uri_data['path']
+                    if not self.args.node:
+                        self.args.node = uri_data['node']
+                    uri_item = uri_data.get('item')
+                    if uri_item:
+                        # there is an item in URI
+                        # we use it only if item is not already set
+                        # and item_last is not used either
+                        try:
+                            item = self.args.item
+                        except AttributeError:
+                            try:
+                                items = self.args.items
+                            except AttributeError:
+                                self.disp(
+                                    _("item specified in URL but not needed in command, "
+                                      "ignoring it"),
+                                    error=True)
+                            else:
+                                if not items:
+                                    self.args.items = [uri_item]
+                        else:
+                            if not item:
+                                try:
+                                    item_last = self.args.item_last
+                                except AttributeError:
+                                    item_last = False
+                                if not item_last:
+                                    self.args.item = uri_item
+                else:
+                    self.parser.error(
+                        _('XMPP URL is not a pubsub one: {url}').format(url=url)
+                    )
+        flags = self.args._cmd._pubsub_flags
+        # we check required arguments here instead of using add_arguments' required option
+        # because the required argument can be set in URL
+        if C.SERVICE in flags and not self.args.service:
+            self.parser.error(_("argument -s/--service is required"))
+        if C.NODE in flags and not self.args.node:
+            self.parser.error(_("argument -n/--node is required"))
+        if C.ITEM in flags and not self.args.item:
+            self.parser.error(_("argument -i/--item is required"))
+
+        # FIXME: mutually groups can't be nested in a group and don't support title
+        #        so we check conflict here. This may be fixed in Python 3, to be checked
+        try:
+            if self.args.item and self.args.item_last:
+                self.parser.error(
+                    _("--item and --item-last can't be used at the same time"))
+        except AttributeError:
+            pass
+
+        try:
+            max_items = self.args.max
+            rsm_max = self.args.rsm_max
+        except AttributeError:
+            pass
+        else:
+            # we need to set a default value for max, but we need to know if we want
+            # to use pubsub's max or RSM's max. The later is used if any RSM or MAM
+            # argument is set
+            if max_items is None and rsm_max is None:
+                to_check = ('mam_filters', 'rsm_max', 'rsm_after', 'rsm_before',
+                            'rsm_index')
+                if any((getattr(self.args, name) for name in to_check)):
+                    # we use RSM
+                    self.args.rsm_max = 10
+                else:
+                    # we use pubsub without RSM
+                    self.args.max = 10
+            if self.args.max is None:
+                self.args.max = C.NO_LIMIT
+
+    async def main(self, args, namespace):
+        try:
+            await self.bridge.bridge_connect()
+        except Exception as e:
+            if isinstance(e, exceptions.BridgeExceptionNoService):
+                print(
+                    _("Can't connect to Libervia backend, are you sure that it's "
+                      "launched ?")
+                )
+                self.quit(C.EXIT_BACKEND_NOT_FOUND, raise_exc=False)
+            elif isinstance(e, exceptions.BridgeInitError):
+                print(_("Can't init bridge"))
+                self.quit(C.EXIT_BRIDGE_ERROR, raise_exc=False)
+            else:
+                print(
+                    _("Error while initialising bridge: {e}").format(e=e)
+                )
+                self.quit(C.EXIT_BRIDGE_ERROR, raise_exc=False)
+            return
+        await self.bridge.ready_get()
+        self.version = await self.bridge.version_get()
+        self._bridge_connected()
+        self.import_plugins()
+        try:
+            self.args = self.parser.parse_args(args, namespace=None)
+            if self.args._cmd._use_pubsub:
+                self.parse_pubsub_args()
+            await self.args._cmd.run()
+        except SystemExit as e:
+            self.quit(e.code, raise_exc=False)
+            return
+        except QuitException:
+            return
+
+    def _run(self, args=None, namespace=None):
+        self.loop = LiberviaCLILoop()
+        self.loop.run(self, args, namespace)
+
+    @classmethod
+    def run(cls):
+        cls()._run()
+
+    def _read_stdin(self, stdin_fut):
+        """Callback called by ainput to read stdin"""
+        line = sys.stdin.readline()
+        if line:
+            stdin_fut.set_result(line.rstrip(os.linesep))
+        else:
+            stdin_fut.set_exception(EOFError())
+
+    async def ainput(self, msg=''):
+        """Asynchronous version of buildin "input" function"""
+        self.disp(msg, end=' ')
+        sys.stdout.flush()
+        loop = asyncio.get_running_loop()
+        stdin_fut = loop.create_future()
+        loop.add_reader(sys.stdin, self._read_stdin, stdin_fut)
+        return await stdin_fut
+
+    async def confirm(self, message):
+        """Request user to confirm action, return answer as boolean"""
+        res = await self.ainput(f"{message} (y/N)? ")
+        return res in ("y", "Y")
+
+    async def confirm_or_quit(self, message, cancel_message=_("action cancelled by user")):
+        """Request user to confirm action, and quit if he doesn't"""
+        confirmed = await self.confirm(message)
+        if not confirmed:
+            self.disp(cancel_message)
+            self.quit(C.EXIT_USER_CANCELLED)
+
+    def quit_from_signal(self, exit_code=0):
+        r"""Same as self.quit, but from a signal handler
+
+        /!\: return must be used after calling this method !
+        """
+        # XXX: python-dbus will show a traceback if we exit in a signal handler
+        # so we use this little timeout trick to avoid it
+        self.loop.call_later(0, self.quit, exit_code)
+
+    def quit(self, exit_code=0, raise_exc=True):
+        """Terminate the execution with specified exit_code
+
+        This will stop the loop.
+        @param exit_code(int): code to return when quitting the program
+        @param raise_exp(boolean): if True raise a QuitException to stop code execution
+            The default value should be used most of time.
+        """
+        # first the onQuitCallbacks
+        try:
+            callbacks_list = self._onQuitCallbacks
+        except AttributeError:
+            pass
+        else:
+            for callback, args, kwargs in callbacks_list:
+                callback(*args, **kwargs)
+
+        self.loop.quit(exit_code)
+        if raise_exc:
+            raise QuitException
+
+    async def check_jids(self, jids):
+        """Check jids validity, transform roster name to corresponding jids
+
+        @param profile: profile name
+        @param jids: list of jids
+        @return: List of jids
+
+        """
+        names2jid = {}
+        nodes2jid = {}
+
+        try:
+            contacts = await self.bridge.contacts_get(self.profile)
+        except BridgeException as e:
+            if e.classname == "AttributeError":
+                # we may get an AttributeError if we use a component profile
+                # as components don't have roster
+                contacts = []
+            else:
+                raise e
+
+        for contact in contacts:
+            jid_s, attr, groups = contact
+            _jid = JID(jid_s)
+            try:
+                names2jid[attr["name"].lower()] = jid_s
+            except KeyError:
+                pass
+
+            if _jid.node:
+                nodes2jid[_jid.node.lower()] = jid_s
+
+        def expand_jid(jid):
+            _jid = jid.lower()
+            if _jid in names2jid:
+                expanded = names2jid[_jid]
+            elif _jid in nodes2jid:
+                expanded = nodes2jid[_jid]
+            else:
+                expanded = jid
+            return expanded
+
+        def check(jid):
+            if not jid.is_valid:
+                log.error (_("%s is not a valid JID !"), jid)
+                self.quit(1)
+
+        dest_jids=[]
+        try:
+            for i in range(len(jids)):
+                dest_jids.append(expand_jid(jids[i]))
+                check(dest_jids[i])
+        except AttributeError:
+            pass
+
+        return dest_jids
+
+    async def a_pwd_input(self, msg=''):
+        """Like ainput but with echo disabled (useful for passwords)"""
+        # we disable echo, code adapted from getpass standard module which has been
+        # written by Piers Lauder (original), Guido van Rossum (Windows support and
+        # cleanup) and Gregory P. Smith (tty support & GetPassWarning), a big thanks
+        # to them (and for all the amazing work on Python).
+        stdin_fd = sys.stdin.fileno()
+        old = termios.tcgetattr(sys.stdin)
+        new = old[:]
+        new[3] &= ~termios.ECHO
+        tcsetattr_flags = termios.TCSAFLUSH
+        if hasattr(termios, 'TCSASOFT'):
+            tcsetattr_flags |= termios.TCSASOFT
+        try:
+            termios.tcsetattr(stdin_fd, tcsetattr_flags, new)
+            pwd = await self.ainput(msg=msg)
+        finally:
+            termios.tcsetattr(stdin_fd, tcsetattr_flags, old)
+            sys.stderr.flush()
+        self.disp('')
+        return pwd
+
+    async def connect_or_prompt(self, method, err_msg=None):
+        """Try to connect/start profile session and prompt for password if needed
+
+        @param method(callable): bridge method to either connect or start profile session
+            It will be called with password as sole argument, use lambda to do the call
+            properly
+        @param err_msg(str): message to show if connection fail
+        """
+        password = self.args.pwd
+        while True:
+            try:
+                await method(password or '')
+            except Exception as e:
+                if ((isinstance(e, BridgeException)
+                     and e.classname == 'PasswordError'
+                     and self.args.pwd is None)):
+                    if password is not None:
+                        self.disp(A.color(C.A_WARNING, _("invalid password")))
+                    password = await self.a_pwd_input(
+                        _("please enter profile password:"))
+                else:
+                    self.disp(err_msg.format(profile=self.profile, e=e), error=True)
+                    self.quit(C.EXIT_ERROR)
+            else:
+                break
+
+    async def connect_profile(self):
+        """Check if the profile is connected and do it if requested
+
+        @exit: - 1 when profile is not connected and --connect is not set
+               - 1 when the profile doesn't exists
+               - 1 when there is a connection error
+        """
+        # FIXME: need better exit codes
+
+        self.profile = await self.bridge.profile_name_get(self.args.profile)
+
+        if not self.profile:
+            log.error(
+                _("The profile [{profile}] doesn't exist")
+                .format(profile=self.args.profile)
+            )
+            self.quit(C.EXIT_ERROR)
+
+        try:
+            start_session = self.args.start_session
+        except AttributeError:
+            pass
+        else:
+            if start_session:
+                await self.connect_or_prompt(
+                    lambda pwd: self.bridge.profile_start_session(pwd, self.profile),
+                    err_msg="Can't start {profile}'s session: {e}"
+                )
+                return
+            elif not await self.bridge.profile_is_session_started(self.profile):
+                if not self.args.connect:
+                    self.disp(_(
+                        "Session for [{profile}] is not started, please start it "
+                        "before using libervia-cli, or use either --start-session or "
+                        "--connect option"
+                        .format(profile=self.profile)
+                    ), error=True)
+                    self.quit(1)
+            elif not getattr(self.args, "connect", False):
+                return
+
+
+        if not hasattr(self.args, 'connect'):
+            # a profile can be present without connect option (e.g. on profile
+            # creation/deletion)
+            return
+        elif self.args.connect is True:  # if connection is asked, we connect the profile
+            await self.connect_or_prompt(
+                lambda pwd: self.bridge.connect(self.profile, pwd, {}),
+                err_msg = 'Can\'t connect profile "{profile!s}": {e}'
+            )
+            return
+        else:
+            if not await self.bridge.is_connected(self.profile):
+                log.error(
+                    _("Profile [{profile}] is not connected, please connect it "
+                      "before using libervia-cli, or use --connect option")
+                    .format(profile=self.profile)
+                )
+                self.quit(1)
+
+    async def get_full_jid(self, param_jid):
+        """Return the full jid if possible (add main resource when find a bare jid)"""
+        # TODO: to be removed, bare jid should work with all commands, notably for file
+        #   as backend now handle jingles message initiation
+        _jid = JID(param_jid)
+        if not _jid.resource:
+            #if the resource is not given, we try to add the main resource
+            main_resource = await self.bridge.main_resource_get(param_jid, self.profile)
+            if main_resource:
+                return f"{_jid.bare}/{main_resource}"
+        return param_jid
+
+    async def get_profile_jid(self):
+        """Retrieve current profile bare JID if possible"""
+        full_jid = await self.bridge.param_get_a_async(
+            "JabberID", "Connection", profile_key=self.profile
+        )
+        return full_jid.rsplit("/", 1)[0]
+
+
+class CommandBase:
+
+    def __init__(
+        self,
+        host: LiberviaCli,
+        name: str,
+        use_profile: bool = True,
+        use_output: Union[bool, str] = False,
+        extra_outputs: Optional[dict] = None,
+        need_connect: Optional[bool] = None,
+        help: Optional[str] = None,
+        **kwargs
+    ):
+        """Initialise CommandBase
+
+        @param host: LiberviaCli instance
+        @param name: name of the new command
+        @param use_profile: if True, add profile selection/connection commands
+        @param use_output: if not False, add --output option
+        @param extra_outputs: list of command specific outputs:
+            key is output name ("default" to use as main output)
+            value is a callable which will format the output (data will be used as only
+            argument)
+            if a key already exists with normal outputs, the extra one will be used
+        @param need_connect: True if profile connection is needed
+            False else (profile session must still be started)
+            None to set auto value (i.e. True if use_profile is set)
+            Can't be set if use_profile is False
+        @param help: help message to display
+        @param **kwargs: args passed to ArgumentParser
+            use_* are handled directly, they can be:
+            - use_progress(bool): if True, add progress bar activation option
+                progress* signals will be handled
+            - use_verbose(bool): if True, add verbosity option
+            - use_pubsub(bool): if True, add pubsub options
+                mandatory arguments are controlled by pubsub_req
+            - use_draft(bool): if True, add draft handling options
+            ** other arguments **
+            - pubsub_flags(iterable[unicode]): tuple of flags to set pubsub options,
+              can be:
+                C.SERVICE: service is required
+                C.NODE: node is required
+                C.ITEM: item is required
+                C.SINGLE_ITEM: only one item is allowed
+        """
+        try: # If we have subcommands, host is a CommandBase and we need to use host.host
+            self.host = host.host
+        except AttributeError:
+            self.host = host
+
+        # --profile option
+        parents = kwargs.setdefault('parents', set())
+        if use_profile:
+            # self.host.parents['profile'] is an ArgumentParser with profile connection
+            # arguments
+            if need_connect is None:
+                need_connect = True
+            parents.add(
+                self.host.parents['profile' if need_connect else 'profile_session'])
+        else:
+            assert need_connect is None
+        self.need_connect = need_connect
+        # from this point, self.need_connect is None if connection is not needed at all
+        # False if session starting is needed, and True if full connection is needed
+
+        # --output option
+        if use_output:
+            if extra_outputs is None:
+                extra_outputs = {}
+            self.extra_outputs = extra_outputs
+            if use_output == True:
+                use_output = C.OUTPUT_TEXT
+            assert use_output in C.OUTPUT_TYPES
+            self._output_type = use_output
+            output_parent = argparse.ArgumentParser(add_help=False)
+            choices = set(self.host.get_output_choices(use_output))
+            choices.update(extra_outputs)
+            if not choices:
+                raise exceptions.InternalError(
+                    "No choice found for {} output type".format(use_output))
+            try:
+                default = self.host.default_output[use_output]
+            except KeyError:
+                if 'default' in choices:
+                    default = 'default'
+                elif 'simple' in choices:
+                    default = 'simple'
+                else:
+                    default = list(choices)[0]
+            output_parent.add_argument(
+                '--output', '-O', choices=sorted(choices), default=default,
+                help=_("select output format (default: {})".format(default)))
+            output_parent.add_argument(
+                '--output-option', '--oo', action="append", dest='output_opts',
+                default=[], help=_("output specific option"))
+            parents.add(output_parent)
+        else:
+            assert extra_outputs is None
+
+        self._use_pubsub = kwargs.pop('use_pubsub', False)
+        if self._use_pubsub:
+            flags = kwargs.pop('pubsub_flags', [])
+            defaults = kwargs.pop('pubsub_defaults', {})
+            parents.add(self.host.make_pubsub_group(flags, defaults))
+            self._pubsub_flags = flags
+
+        # other common options
+        use_opts = {k:v for k,v in kwargs.items() if k.startswith('use_')}
+        for param, do_use in use_opts.items():
+            opt=param[4:] # if param is use_verbose, opt is verbose
+            if opt not in self.host.parents:
+                raise exceptions.InternalError("Unknown parent option {}".format(opt))
+            del kwargs[param]
+            if do_use:
+                parents.add(self.host.parents[opt])
+
+        self.parser = host.subparsers.add_parser(name, help=help, **kwargs)
+        if hasattr(self, "subcommands"):
+            self.subparsers = self.parser.add_subparsers(dest='subcommand', required=True)
+        else:
+            self.parser.set_defaults(_cmd=self)
+        self.add_parser_options()
+
+    @property
+    def sat_conf(self):
+        return self.host.sat_conf
+
+    @property
+    def args(self):
+        return self.host.args
+
+    @property
+    def profile(self):
+        return self.host.profile
+
+    @property
+    def verbosity(self):
+        return self.host.verbosity
+
+    @property
+    def progress_id(self):
+        return self.host.progress_id
+
+    async def set_progress_id(self, progress_id):
+        return await self.host.set_progress_id(progress_id)
+
+    async def progress_started_handler(self, uid, metadata, profile):
+        if profile != self.profile:
+            return
+        if self.progress_id is None:
+            # the progress started message can be received before the id
+            # so we keep progress_started signals in cache to replay they
+            # when the progress_id is received
+            cache_data = (self.progress_started_handler, uid, metadata, profile)
+            try:
+                cache = self.host.progress_ids_cache
+            except AttributeError:
+                cache = self.host.progress_ids_cache = []
+            cache.append(cache_data)
+        else:
+            if self.host.watch_progress and uid == self.progress_id:
+                await self.on_progress_started(metadata)
+                while True:
+                    await asyncio.sleep(PROGRESS_DELAY)
+                    cont = await self.progress_update()
+                    if not cont:
+                        break
+
+    async def progress_finished_handler(self, uid, metadata, profile):
+        if profile != self.profile:
+            return
+        if uid == self.progress_id:
+            try:
+                self.host.pbar.finish()
+            except AttributeError:
+                pass
+            await self.on_progress_finished(metadata)
+            if self.host.quit_on_progress_end:
+                self.host.quit_from_signal()
+
+    async def progress_error_handler(self, uid, message, profile):
+        if profile != self.profile:
+            return
+        if uid == self.progress_id:
+            if self.args.progress:
+                self.disp('') # progress is not finished, so we skip a line
+            if self.host.quit_on_progress_end:
+                await self.on_progress_error(message)
+                self.host.quit_from_signal(C.EXIT_ERROR)
+
+    async def progress_update(self):
+        """This method is continualy called to update the progress bar
+
+        @return (bool): False to stop being called
+        """
+        data = await self.host.bridge.progress_get(self.progress_id, self.profile)
+        if data:
+            try:
+                size = data['size']
+            except KeyError:
+                self.disp(_("file size is not known, we can't show a progress bar"), 1,
+                          error=True)
+                return False
+            if self.host.pbar is None:
+                #first answer, we must construct the bar
+
+                # if the instance has a pbar_template attribute, it is used has model,
+                # else default one is used
+                # template is a list of part, where part can be either a str to show directly
+                # or a list where first argument is a name of a progressbar widget, and others
+                # are used as widget arguments
+                try:
+                    template = self.pbar_template
+                except AttributeError:
+                    template = [
+                        _("Progress: "), ["Percentage"], " ", ["Bar"], " ",
+                        ["FileTransferSpeed"], " ", ["ETA"]
+                    ]
+
+                widgets = []
+                for part in template:
+                    if isinstance(part, str):
+                        widgets.append(part)
+                    else:
+                        widget = getattr(progressbar, part.pop(0))
+                        widgets.append(widget(*part))
+
+                self.host.pbar = progressbar.ProgressBar(max_value=int(size), widgets=widgets)
+                self.host.pbar.start()
+
+            self.host.pbar.update(int(data['position']))
+
+        elif self.host.pbar is not None:
+            return False
+
+        await self.on_progress_update(data)
+
+        return True
+
+    async def on_progress_started(self, metadata):
+        """Called when progress has just started
+
+        can be overidden by a command
+        @param metadata(dict): metadata as sent by bridge.progress_started
+        """
+        self.disp(_("Operation started"), 2)
+
+    async def on_progress_update(self, metadata):
+        """Method called on each progress updata
+
+        can be overidden by a command to handle progress metadata
+        @para metadata(dict): metadata as returned by bridge.progress_get
+        """
+        pass
+
+    async def on_progress_finished(self, metadata):
+        """Called when progress has just finished
+
+        can be overidden by a command
+        @param metadata(dict): metadata as sent by bridge.progress_finished
+        """
+        self.disp(_("Operation successfully finished"), 2)
+
+    async def on_progress_error(self, e):
+        """Called when a progress failed
+
+        @param error_msg(unicode): error message as sent by bridge.progress_error
+        """
+        self.disp(_("Error while doing operation: {e}").format(e=e), error=True)
+
+    def disp(self, msg, verbosity=0, error=False, end='\n'):
+        return self.host.disp(msg, verbosity, error, end)
+
+    def output(self, data):
+        try:
+            output_type = self._output_type
+        except AttributeError:
+            raise exceptions.InternalError(
+                _('trying to use output when use_output has not been set'))
+        return self.host.output(output_type, self.args.output, self.extra_outputs, data)
+
+    def get_pubsub_extra(self, extra: Optional[dict] = None) -> str:
+        """Helper method to compute extra data from pubsub arguments
+
+        @param extra: base extra dict, or None to generate a new one
+        @return: serialised dict which can be used directly in the bridge for pubsub
+        """
+        if extra is None:
+            extra = {}
+        else:
+            intersection = {C.KEY_ORDER_BY}.intersection(list(extra.keys()))
+            if intersection:
+                raise exceptions.ConflictError(
+                    "given extra dict has conflicting keys with pubsub keys "
+                    "{intersection}".format(intersection=intersection))
+
+        # RSM
+
+        for attribute in ('max', 'after', 'before', 'index'):
+            key = 'rsm_' + attribute
+            if key in extra:
+                raise exceptions.ConflictError(
+                    "This key already exists in extra: u{key}".format(key=key))
+            value = getattr(self.args, key, None)
+            if value is not None:
+                extra[key] = str(value)
+
+        # MAM
+
+        if hasattr(self.args, 'mam_filters'):
+            for key, value in self.args.mam_filters:
+                key = 'filter_' + key
+                if key in extra:
+                    raise exceptions.ConflictError(
+                        "This key already exists in extra: u{key}".format(key=key))
+                extra[key] = value
+
+        # Order-By
+
+        try:
+            order_by = self.args.order_by
+        except AttributeError:
+            pass
+        else:
+            if order_by is not None:
+                extra[C.KEY_ORDER_BY] = self.args.order_by
+
+        # Cache
+        try:
+            use_cache = self.args.use_cache
+        except AttributeError:
+            pass
+        else:
+            if not use_cache:
+                extra[C.KEY_USE_CACHE] = use_cache
+
+        return data_format.serialise(extra)
+
+    def add_parser_options(self):
+        try:
+            subcommands = self.subcommands
+        except AttributeError:
+            # We don't have subcommands, the class need to implements add_parser_options
+            raise NotImplementedError
+
+        # now we add subcommands to ourself
+        for cls in subcommands:
+            cls(self)
+
+    def override_pubsub_flags(self, new_flags: Set[str]) -> None:
+        """Replace pubsub_flags given in __init__
+
+        useful when a command is extending an other command (e.g. blog command which does
+        the same as pubsub command, but with a default node)
+        """
+        self._pubsub_flags = new_flags
+
+    async def run(self):
+        """this method is called when a command is actually run
+
+        It set stuff like progression callbacks and profile connection
+        You should not overide this method: you should call self.start instead
+        """
+        # we keep a reference to run command, it may be useful e.g. for outputs
+        self.host.command = self
+
+        try:
+            show_progress = self.args.progress
+        except AttributeError:
+            # the command doesn't use progress bar
+            pass
+        else:
+            if show_progress:
+                self.host.watch_progress = True
+            # we need to register the following signal even if we don't display the
+            # progress bar
+            self.host.bridge.register_signal(
+                "progress_started", self.progress_started_handler)
+            self.host.bridge.register_signal(
+                "progress_finished", self.progress_finished_handler)
+            self.host.bridge.register_signal(
+                "progress_error", self.progress_error_handler)
+
+        if self.need_connect is not None:
+            await self.host.connect_profile()
+        await self.start()
+
+    async def start(self):
+        """This is the starting point of the command, this method must be overriden
+
+        at this point, profile are connected if needed
+        """
+        raise NotImplementedError
+
+
+class CommandAnswering(CommandBase):
+    """Specialised commands which answer to specific actions
+
+    to manage action_types answer,
+    """
+    action_callbacks = {} # XXX: set managed action types in a dict here:
+                          # key is the action_type, value is the callable
+                          # which will manage the answer. profile filtering is
+                          # already managed when callback is called
+
+    def __init__(self, *args, **kwargs):
+        super(CommandAnswering, self).__init__(*args, **kwargs)
+
+    async def on_action_new(
+        self,
+        action_data_s: str,
+        action_id: str,
+        security_limit: int,
+        profile: str
+    ) -> None:
+        if profile != self.profile:
+            return
+        action_data = data_format.deserialise(action_data_s)
+        try:
+            action_type = action_data['type']
+        except KeyError:
+            try:
+                xml_ui = action_data["xmlui"]
+            except KeyError:
+                pass
+            else:
+                self.on_xmlui(xml_ui)
+        else:
+            try:
+                callback = self.action_callbacks[action_type]
+            except KeyError:
+                pass
+            else:
+                await callback(action_data, action_id, security_limit, profile)
+
+    def on_xmlui(self, xml_ui):
+        """Display a dialog received from the backend.
+
+        @param xml_ui (unicode): dialog XML representation
+        """
+        # FIXME: we temporarily use ElementTree, but a real XMLUI managing module
+        #        should be available in the future
+        # TODO: XMLUI module
+        ui = ET.fromstring(xml_ui.encode('utf-8'))
+        dialog = ui.find("dialog")
+        if dialog is not None:
+            self.disp(dialog.findtext("message"), error=dialog.get("level") == "error")
+
+    async def start_answering(self):
+        """Auto reply to confirmation requests"""
+        self.host.bridge.register_signal("action_new", self.on_action_new)
+        actions = await self.host.bridge.actions_get(self.profile)
+        for action_data_s, action_id, security_limit in actions:
+            await self.on_action_new(action_data_s, action_id, security_limit, self.profile)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_account.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,253 @@
+#!/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/>.
+
+"""This module permits to manage XMPP accounts using in-band registration (XEP-0077)"""
+
+from libervia.cli.constants import Const as C
+from libervia.frontends.bridge.bridge_frontend import BridgeException
+from libervia.backend.core.log import getLogger
+from libervia.backend.core.i18n import _
+from libervia.cli import base
+from libervia.frontends.tools import jid
+
+
+log = getLogger(__name__)
+
+__commands__ = ["Account"]
+
+
+class AccountCreate(base.CommandBase):
+    def __init__(self, host):
+        super(AccountCreate, self).__init__(
+            host,
+            "create",
+            use_profile=False,
+            use_verbose=True,
+            help=_("create a XMPP account"),
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "jid", help=_("jid to create")
+        )
+        self.parser.add_argument(
+            "password", help=_("password of the account")
+        )
+        self.parser.add_argument(
+            "-p",
+            "--profile",
+            help=_(
+                "create a profile to use this account (default: don't create profile)"
+            ),
+        )
+        self.parser.add_argument(
+            "-e",
+            "--email",
+            default="",
+            help=_("email (usage depends of XMPP server)"),
+        )
+        self.parser.add_argument(
+            "-H",
+            "--host",
+            default="",
+            help=_("server host (IP address or domain, default: use localhost)"),
+        )
+        self.parser.add_argument(
+            "-P",
+            "--port",
+            type=int,
+            default=0,
+            help=_("server port (default: {port})").format(
+                port=C.XMPP_C2S_PORT
+            ),
+        )
+
+    async def start(self):
+        try:
+            await self.host.bridge.in_band_account_new(
+                self.args.jid,
+                self.args.password,
+                self.args.email,
+                self.args.host,
+                self.args.port,
+            )
+
+        except BridgeException as e:
+            if e.condition == 'conflict':
+                self.disp(
+                    f"The account {self.args.jid} already exists",
+                    error=True
+                )
+                self.host.quit(C.EXIT_CONFLICT)
+            else:
+                self.disp(
+                    f"can't create account on {self.args.host or 'localhost'!r} with jid "
+                    f"{self.args.jid!r} using In-Band Registration: {e}", error=True)
+                self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        except Exception as e:
+            self.disp(f"Internal error: {e}", error=True)
+            self.host.quit(C.EXIT_INTERNAL_ERROR)
+
+        self.disp(_("XMPP account created"), 1)
+
+        if self.args.profile is None:
+            self.host.quit()
+
+
+        self.disp(_("creating profile"), 2)
+        try:
+            await self.host.bridge.profile_create(
+                self.args.profile,
+                self.args.password,
+                "",
+            )
+        except BridgeException as e:
+            if e.condition == 'conflict':
+                self.disp(
+                    f"The profile {self.args.profile} already exists",
+                    error=True
+                )
+                self.host.quit(C.EXIT_CONFLICT)
+            else:
+                self.disp(
+                    _("Can't create profile {profile} to associate with jid "
+                      "{jid}: {e}").format(
+                          profile=self.args.profile,
+                          jid=self.args.jid,
+                          e=e
+                      ),
+                    error=True,
+                )
+                self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        except Exception as e:
+            self.disp(f"Internal error: {e}", error=True)
+            self.host.quit(C.EXIT_INTERNAL_ERROR)
+
+        self.disp(_("profile created"), 1)
+        try:
+            await self.host.bridge.profile_start_session(
+                self.args.password,
+                self.args.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't start profile session: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+
+        try:
+            await self.host.bridge.param_set(
+                "JabberID",
+                self.args.jid,
+                "Connection",
+                profile_key=self.args.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't set JabberID parameter: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+
+        try:
+            await self.host.bridge.param_set(
+                "Password",
+                self.args.password,
+                "Connection",
+                profile_key=self.args.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't set Password parameter: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+
+        self.disp(
+            f"profile {self.args.profile} successfully created and associated to the new "
+            f"account", 1)
+        self.host.quit()
+
+
+class AccountModify(base.CommandBase):
+    def __init__(self, host):
+        super(AccountModify, self).__init__(
+            host, "modify", help=_("change password for XMPP account")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "password", help=_("new XMPP password")
+        )
+
+    async def start(self):
+        try:
+            await self.host.bridge.in_band_password_change(
+                self.args.password,
+                self.args.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't change XMPP password: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.host.quit()
+
+
+class AccountDelete(base.CommandBase):
+    def __init__(self, host):
+        super(AccountDelete, self).__init__(
+            host, "delete", help=_("delete a XMPP account")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "-f",
+            "--force",
+            action="store_true",
+            help=_("delete account without confirmation"),
+        )
+
+    async def start(self):
+        try:
+            jid_str = await self.host.bridge.param_get_a_async(
+                "JabberID",
+                "Connection",
+                profile_key=self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't get JID of the profile: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+
+        jid_ = jid.JID(jid_str)
+        if not self.args.force:
+            message = (
+                f"You are about to delete the XMPP account with jid {jid_!r}\n"
+                f"This is the XMPP account of profile {self.profile!r}\n"
+                f"Are you sure that you want to delete this account?"
+            )
+            await self.host.confirm_or_quit(message, _("Account deletion cancelled"))
+
+        try:
+            await self.host.bridge.in_band_unregister(jid_.domain, self.args.profile)
+        except Exception as e:
+            self.disp(f"can't delete XMPP account with jid {jid_!r}: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+
+        self.host.quit()
+
+
+class Account(base.CommandBase):
+    subcommands = (AccountCreate, AccountModify, AccountDelete)
+
+    def __init__(self, host):
+        super(Account, self).__init__(
+            host, "account", use_profile=False, help=("XMPP account management")
+        )

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_adhoc.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,203 @@
+#!/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/>.
+
+from . import base
+from libervia.backend.core.i18n import _
+from libervia.cli.constants import Const as C
+from libervia.cli import xmlui_manager
+
+__commands__ = ["AdHoc"]
+
+FLAG_LOOP = "LOOP"
+MAGIC_BAREJID = "@PROFILE_BAREJID@"
+
+
+class Remote(base.CommandBase):
+    def __init__(self, host):
+        super(Remote, self).__init__(
+            host, "remote", use_verbose=True, help=_("remote control a software")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument("software", type=str, help=_("software name"))
+        self.parser.add_argument(
+            "-j",
+            "--jids",
+            nargs="*",
+            default=[],
+            help=_("jids allowed to use the command"),
+        )
+        self.parser.add_argument(
+            "-g",
+            "--groups",
+            nargs="*",
+            default=[],
+            help=_("groups allowed to use the command"),
+        )
+        self.parser.add_argument(
+            "--forbidden-groups",
+            nargs="*",
+            default=[],
+            help=_("groups that are *NOT* allowed to use the command"),
+        )
+        self.parser.add_argument(
+            "--forbidden-jids",
+            nargs="*",
+            default=[],
+            help=_("jids that are *NOT* allowed to use the command"),
+        )
+        self.parser.add_argument(
+            "-l", "--loop", action="store_true", help=_("loop on the commands")
+        )
+
+    async def start(self):
+        name = self.args.software.lower()
+        flags = []
+        magics = {jid for jid in self.args.jids if jid.count("@") > 1}
+        magics.add(MAGIC_BAREJID)
+        jids = set(self.args.jids).difference(magics)
+        if self.args.loop:
+            flags.append(FLAG_LOOP)
+        try:
+            bus_name, methods = await self.host.bridge.ad_hoc_dbus_add_auto(
+                name,
+                list(jids),
+                self.args.groups,
+                magics,
+                self.args.forbidden_jids,
+                self.args.forbidden_groups,
+                flags,
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't create remote control: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            if not bus_name:
+                self.disp(_("No bus name found"), 1)
+                self.host.quit(C.EXIT_NOT_FOUND)
+            else:
+                self.disp(_("Bus name found: [%s]" % bus_name), 1)
+                for method in methods:
+                    path, iface, command = method
+                    self.disp(
+                        _("Command found: (path:{path}, iface: {iface}) [{command}]")
+                        .format(path=path, iface=iface, command=command),
+                        1,
+                    )
+                self.host.quit()
+
+
+class Run(base.CommandBase):
+    """Run an Ad-Hoc command"""
+
+    def __init__(self, host):
+        super(Run, self).__init__(
+            host, "run", use_verbose=True, help=_("run an Ad-Hoc command")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "-j",
+            "--jid",
+            default="",
+            help=_("jid of the service (default: profile's server"),
+        )
+        self.parser.add_argument(
+            "-S",
+            "--submit",
+            action="append_const",
+            const=xmlui_manager.SUBMIT,
+            dest="workflow",
+            help=_("submit form/page"),
+        )
+        self.parser.add_argument(
+            "-f",
+            "--field",
+            action="append",
+            nargs=2,
+            dest="workflow",
+            metavar=("KEY", "VALUE"),
+            help=_("field value"),
+        )
+        self.parser.add_argument(
+            "node",
+            nargs="?",
+            default="",
+            help=_("node of the command (default: list commands)"),
+        )
+
+    async def start(self):
+        try:
+            xmlui_raw = await self.host.bridge.ad_hoc_run(
+                self.args.jid,
+                self.args.node,
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't get ad-hoc commands list: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            xmlui = xmlui_manager.create(self.host, xmlui_raw)
+            workflow = self.args.workflow
+            await xmlui.show(workflow)
+            if not workflow:
+                if xmlui.type == "form":
+                    await xmlui.submit_form()
+            self.host.quit()
+
+
+class List(base.CommandBase):
+    """List Ad-Hoc commands available on a service"""
+
+    def __init__(self, host):
+        super(List, self).__init__(
+            host, "list", use_verbose=True, help=_("list Ad-Hoc commands of a service")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "-j",
+            "--jid",
+            default="",
+            help=_("jid of the service (default: profile's server)"),
+        )
+
+    async def start(self):
+        try:
+            xmlui_raw = await self.host.bridge.ad_hoc_list(
+                self.args.jid,
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't get ad-hoc commands list: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            xmlui = xmlui_manager.create(self.host, xmlui_raw)
+            await xmlui.show(read_only=True)
+            self.host.quit()
+
+
+class AdHoc(base.CommandBase):
+    subcommands = (Run, List, Remote)
+
+    def __init__(self, host):
+        super(AdHoc, self).__init__(
+            host, "ad-hoc", use_profile=False, help=_("Ad-hoc commands")
+        )

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_application.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,191 @@
+#!/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/>.
+
+from . import base
+from libervia.backend.core.i18n import _
+from libervia.backend.tools.common import data_format
+from libervia.cli.constants import Const as C
+
+__commands__ = ["Application"]
+
+
+class List(base.CommandBase):
+    """List available applications"""
+
+    def __init__(self, host):
+        super(List, self).__init__(
+            host, "list", use_profile=False, use_output=C.OUTPUT_LIST,
+            help=_("list available applications")
+        )
+
+    def add_parser_options(self):
+        # FIXME: "extend" would be better here, but it's only available from Python 3.8+
+        #   so we use "append" until minimum version of Python is raised.
+        self.parser.add_argument(
+            "-f",
+            "--filter",
+            dest="filters",
+            action="append",
+            choices=["available", "running"],
+            help=_("show applications with this status"),
+        )
+
+    async def start(self):
+
+        # FIXME: this is only needed because we can't use "extend" in
+        #   add_parser_options, see note there
+        if self.args.filters:
+            self.args.filters = list(set(self.args.filters))
+        else:
+            self.args.filters = ['available']
+
+        try:
+            found_apps = await self.host.bridge.applications_list(self.args.filters)
+        except Exception as e:
+            self.disp(f"can't get applications list: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            await self.output(found_apps)
+            self.host.quit()
+
+
+class Start(base.CommandBase):
+    """Start an application"""
+
+    def __init__(self, host):
+        super(Start, self).__init__(
+            host, "start", use_profile=False, help=_("start an application")
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "name",
+            help=_("name of the application to start"),
+        )
+
+    async def start(self):
+        try:
+            await self.host.bridge.application_start(
+                self.args.name,
+                "",
+            )
+        except Exception as e:
+            self.disp(f"can't start {self.args.name}: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.host.quit()
+
+
+class Stop(base.CommandBase):
+
+    def __init__(self, host):
+        super(Stop, self).__init__(
+            host, "stop", use_profile=False, help=_("stop a running application")
+        )
+
+    def add_parser_options(self):
+        id_group = self.parser.add_mutually_exclusive_group(required=True)
+        id_group.add_argument(
+            "name",
+            nargs="?",
+            help=_("name of the application to stop"),
+        )
+        id_group.add_argument(
+            "-i",
+            "--id",
+            help=_("identifier of the instance to stop"),
+        )
+
+    async def start(self):
+        try:
+            if self.args.name is not None:
+                args = [self.args.name, "name"]
+            else:
+                args = [self.args.id, "instance"]
+            await self.host.bridge.application_stop(
+                *args,
+                "",
+            )
+        except Exception as e:
+            if self.args.name is not None:
+                self.disp(
+                    f"can't stop application {self.args.name!r}: {e}", error=True)
+            else:
+                self.disp(
+                    f"can't stop application instance with id {self.args.id!r}: {e}",
+                    error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.host.quit()
+
+
+class Exposed(base.CommandBase):
+
+    def __init__(self, host):
+        super(Exposed, self).__init__(
+            host, "exposed", use_profile=False, use_output=C.OUTPUT_DICT,
+            help=_("show data exposed by a running application")
+        )
+
+    def add_parser_options(self):
+        id_group = self.parser.add_mutually_exclusive_group(required=True)
+        id_group.add_argument(
+            "name",
+            nargs="?",
+            help=_("name of the application to check"),
+        )
+        id_group.add_argument(
+            "-i",
+            "--id",
+            help=_("identifier of the instance to check"),
+        )
+
+    async def start(self):
+        try:
+            if self.args.name is not None:
+                args = [self.args.name, "name"]
+            else:
+                args = [self.args.id, "instance"]
+            exposed_data_raw = await self.host.bridge.application_exposed_get(
+                *args,
+                "",
+            )
+        except Exception as e:
+            if self.args.name is not None:
+                self.disp(
+                    f"can't get values exposed from application {self.args.name!r}: {e}",
+                    error=True)
+            else:
+                self.disp(
+                    f"can't values exposed from  application instance with id {self.args.id!r}: {e}",
+                    error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            exposed_data = data_format.deserialise(exposed_data_raw)
+            await self.output(exposed_data)
+            self.host.quit()
+
+
+class Application(base.CommandBase):
+    subcommands = (List, Start, Stop, Exposed)
+
+    def __init__(self, host):
+        super(Application, self).__init__(
+            host, "application", use_profile=False, help=_("manage applications"),
+            aliases=['app'],
+        )

--- /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")
+        )

--- /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")
+        )

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_blog.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,1220 @@
+#!/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 asyncio
+from asyncio.subprocess import DEVNULL
+from configparser import NoOptionError, NoSectionError
+import json
+import os
+import os.path
+from pathlib import Path
+import re
+import subprocess
+import sys
+import tempfile
+from urllib.parse import urlparse
+
+from libervia.backend.core.i18n import _
+from libervia.backend.tools import config
+from libervia.backend.tools.common import uri
+from libervia.backend.tools.common import data_format
+from libervia.backend.tools.common.ansi import ANSI as A
+from libervia.cli import common
+from libervia.cli.constants import Const as C
+
+from . import base, cmd_pubsub
+
+__commands__ = ["Blog"]
+
+SYNTAX_XHTML = "xhtml"
+# extensions to use with known syntaxes
+SYNTAX_EXT = {
+    # FIXME: default syntax doesn't sounds needed, there should always be a syntax set
+    #        by the plugin.
+    "": "txt",  # used when the syntax is not found
+    SYNTAX_XHTML: "xhtml",
+    "markdown": "md",
+}
+
+
+CONF_SYNTAX_EXT = "syntax_ext_dict"
+BLOG_TMP_DIR = "blog"
+# key to remove from metadata tmp file if they exist
+KEY_TO_REMOVE_METADATA = (
+    "id",
+    "content",
+    "content_xhtml",
+    "comments_node",
+    "comments_service",
+    "updated",
+)
+
+URL_REDIRECT_PREFIX = "url_redirect_"
+AIONOTIFY_INSTALL = '"pip install aionotify"'
+MB_KEYS = (
+    "id",
+    "url",
+    "atom_id",
+    "updated",
+    "published",
+    "language",
+    "comments",  # this key is used for all comments* keys
+    "tags",  # this key is used for all tag* keys
+    "author",
+    "author_jid",
+    "author_email",
+    "author_jid_verified",
+    "content",
+    "content_xhtml",
+    "title",
+    "title_xhtml",
+    "extra"
+)
+OUTPUT_OPT_NO_HEADER = "no-header"
+RE_ATTACHMENT_METADATA = re.compile(r"^(?P<key>[a-z_]+)=(?P<value>.*)")
+ALLOWER_ATTACH_MD_KEY = ("desc", "media_type", "external")
+
+
+async def guess_syntax_from_path(host, sat_conf, path):
+    """Return syntax guessed according to filename extension
+
+    @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration
+    @param path(str): path to the content file
+    @return(unicode): syntax to use
+    """
+    # we first try to guess syntax with extension
+    ext = os.path.splitext(path)[1][1:]  # we get extension without the '.'
+    if ext:
+        for k, v in SYNTAX_EXT.items():
+            if k and ext == v:
+                return k
+
+                # if not found, we use current syntax
+    return await host.bridge.param_get_a("Syntax", "Composition", "value", host.profile)
+
+
+class BlogPublishCommon:
+    """handle common option for publising commands (Set and Edit)"""
+
+    async def get_current_syntax(self):
+        """Retrieve current_syntax
+
+        Use default syntax if --syntax has not been used, else check given syntax.
+        Will set self.default_syntax_used to True if default syntax has been used
+        """
+        if self.args.syntax is None:
+            self.default_syntax_used = True
+            return await self.host.bridge.param_get_a(
+                "Syntax", "Composition", "value", self.profile
+            )
+        else:
+            self.default_syntax_used = False
+            try:
+                syntax = await self.host.bridge.syntax_get(self.args.syntax)
+                self.current_syntax = self.args.syntax = syntax
+            except Exception as e:
+                if e.classname == "NotFound":
+                    self.parser.error(
+                        _("unknown syntax requested ({syntax})").format(
+                            syntax=self.args.syntax
+                        )
+                    )
+                else:
+                    raise e
+        return self.args.syntax
+
+    def add_parser_options(self):
+        self.parser.add_argument("-T", "--title", help=_("title of the item"))
+        self.parser.add_argument(
+            "-t",
+            "--tag",
+            action="append",
+            help=_("tag (category) of your item"),
+        )
+        self.parser.add_argument(
+            "-l",
+            "--language",
+            help=_("language of the item (ISO 639 code)"),
+        )
+
+        self.parser.add_argument(
+            "-a",
+            "--attachment",
+            dest="attachments",
+            nargs="+",
+            help=_(
+                "attachment in the form URL [metadata_name=value]"
+            )
+        )
+
+        comments_group = self.parser.add_mutually_exclusive_group()
+        comments_group.add_argument(
+            "-C",
+            "--comments",
+            action="store_const",
+            const=True,
+            dest="comments",
+            help=_(
+                "enable comments (default: comments not enabled except if they "
+                "already exist)"
+            ),
+        )
+        comments_group.add_argument(
+            "--no-comments",
+            action="store_const",
+            const=False,
+            dest="comments",
+            help=_("disable comments (will remove comments node if it exist)"),
+        )
+
+        self.parser.add_argument(
+            "-S",
+            "--syntax",
+            help=_("syntax to use (default: get profile's default syntax)"),
+        )
+        self.parser.add_argument(
+            "-e",
+            "--encrypt",
+            action="store_true",
+            help=_("end-to-end encrypt the blog post")
+        )
+        self.parser.add_argument(
+            "--encrypt-for",
+            metavar="JID",
+            action="append",
+            help=_("encrypt a single item for")
+        )
+        self.parser.add_argument(
+            "-X",
+            "--sign",
+            action="store_true",
+            help=_("cryptographically sign the blog post")
+        )
+
+    async def set_mb_data_content(self, content, mb_data):
+        if self.default_syntax_used:
+            # default syntax has been used
+            mb_data["content_rich"] = content
+        elif self.current_syntax == SYNTAX_XHTML:
+            mb_data["content_xhtml"] = content
+        else:
+            mb_data["content_xhtml"] = await self.host.bridge.syntax_convert(
+                content, self.current_syntax, SYNTAX_XHTML, False, self.profile
+            )
+
+    def handle_attachments(self, mb_data: dict) -> None:
+        """Check, validate and add attachments to mb_data"""
+        if self.args.attachments:
+            attachments = []
+            attachment = {}
+            for arg in self.args.attachments:
+                m = RE_ATTACHMENT_METADATA.match(arg)
+                if m is None:
+                    # we should have an URL
+                    url_parsed = urlparse(arg)
+                    if url_parsed.scheme not in ("http", "https"):
+                        self.parser.error(
+                            "invalid URL in --attachment (only http(s) scheme is "
+                            f" accepted): {arg}"
+                        )
+                    if attachment:
+                        # if we hae a new URL, we have a new attachment
+                        attachments.append(attachment)
+                        attachment = {}
+                    attachment["url"] = arg
+                else:
+                    # we should have a metadata
+                    if "url" not in attachment:
+                        self.parser.error(
+                            "you must to specify an URL before any metadata in "
+                            "--attachment"
+                        )
+                    key = m.group("key")
+                    if key not in ALLOWER_ATTACH_MD_KEY:
+                        self.parser.error(
+                            f"invalid metadata key in --attachment: {key!r}"
+                        )
+                    value = m.group("value").strip()
+                    if key == "external":
+                        if not value:
+                            value=True
+                        else:
+                            value = C.bool(value)
+                    attachment[key] = value
+            if attachment:
+                attachments.append(attachment)
+            if attachments:
+                mb_data.setdefault("extra", {})["attachments"] = attachments
+
+    def set_mb_data_from_args(self, mb_data):
+        """set microblog metadata according to command line options
+
+        if metadata already exist, it will be overwritten
+        """
+        if self.args.comments is not None:
+            mb_data["allow_comments"] = self.args.comments
+        if self.args.tag:
+            mb_data["tags"] = self.args.tag
+        if self.args.title is not None:
+            mb_data["title"] = self.args.title
+        if self.args.language is not None:
+            mb_data["language"] = self.args.language
+        if self.args.encrypt:
+            mb_data["encrypted"] = True
+        if self.args.sign:
+            mb_data["signed"] = True
+        if self.args.encrypt_for:
+            mb_data["encrypted_for"] = {"targets": self.args.encrypt_for}
+        self.handle_attachments(mb_data)
+
+
+class Set(base.CommandBase, BlogPublishCommon):
+    def __init__(self, host):
+        base.CommandBase.__init__(
+            self,
+            host,
+            "set",
+            use_pubsub=True,
+            pubsub_flags={C.SINGLE_ITEM},
+            help=_("publish a new blog item or update an existing one"),
+        )
+        BlogPublishCommon.__init__(self)
+
+    def add_parser_options(self):
+        BlogPublishCommon.add_parser_options(self)
+
+    async def start(self):
+        self.current_syntax = await self.get_current_syntax()
+        self.pubsub_item = self.args.item
+        mb_data = {}
+        self.set_mb_data_from_args(mb_data)
+        if self.pubsub_item:
+            mb_data["id"] = self.pubsub_item
+        content = sys.stdin.read()
+        await self.set_mb_data_content(content, mb_data)
+
+        try:
+            item_id = await self.host.bridge.mb_send(
+                self.args.service,
+                self.args.node,
+                data_format.serialise(mb_data),
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't send item: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.disp(f"Item published with ID {item_id}")
+            self.host.quit(C.EXIT_OK)
+
+
+class Get(base.CommandBase):
+    TEMPLATE = "blog/articles.html"
+
+    def __init__(self, host):
+        extra_outputs = {"default": self.default_output, "fancy": self.fancy_output}
+        base.CommandBase.__init__(
+            self,
+            host,
+            "get",
+            use_verbose=True,
+            use_pubsub=True,
+            pubsub_flags={C.MULTI_ITEMS, C.CACHE},
+            use_output=C.OUTPUT_COMPLEX,
+            extra_outputs=extra_outputs,
+            help=_("get blog item(s)"),
+        )
+
+    def add_parser_options(self):
+        #  TODO: a key(s) argument to select keys to display
+        self.parser.add_argument(
+            "-k",
+            "--key",
+            action="append",
+            dest="keys",
+            help=_("microblog data key(s) to display (default: depend of verbosity)"),
+        )
+        # TODO: add MAM filters
+
+    def template_data_mapping(self, data):
+        items, blog_items = data
+        blog_items["items"] = items
+        return {"blog_items": blog_items}
+
+    def format_comments(self, item, keys):
+        lines = []
+        for data in item.get("comments", []):
+            lines.append(data["uri"])
+            for k in ("node", "service"):
+                if OUTPUT_OPT_NO_HEADER in self.args.output_opts:
+                    header = ""
+                else:
+                    header = f"{C.A_HEADER}comments_{k}: {A.RESET}"
+                lines.append(header + data[k])
+        return "\n".join(lines)
+
+    def format_tags(self, item, keys):
+        tags = item.pop("tags", [])
+        return ", ".join(tags)
+
+    def format_updated(self, item, keys):
+        return common.format_time(item["updated"])
+
+    def format_published(self, item, keys):
+        return common.format_time(item["published"])
+
+    def format_url(self, item, keys):
+        return uri.build_xmpp_uri(
+            "pubsub",
+            subtype="microblog",
+            path=self.metadata["service"],
+            node=self.metadata["node"],
+            item=item["id"],
+        )
+
+    def get_keys(self):
+        """return keys to display according to verbosity or explicit key request"""
+        verbosity = self.args.verbose
+        if self.args.keys:
+            if not set(MB_KEYS).issuperset(self.args.keys):
+                self.disp(
+                    "following keys are invalid: {invalid}.\n"
+                    "Valid keys are: {valid}.".format(
+                        invalid=", ".join(set(self.args.keys).difference(MB_KEYS)),
+                        valid=", ".join(sorted(MB_KEYS)),
+                    ),
+                    error=True,
+                )
+                self.host.quit(C.EXIT_BAD_ARG)
+            return self.args.keys
+        else:
+            if verbosity == 0:
+                return ("title", "content")
+            elif verbosity == 1:
+                return (
+                    "title",
+                    "tags",
+                    "author",
+                    "author_jid",
+                    "author_email",
+                    "author_jid_verified",
+                    "published",
+                    "updated",
+                    "content",
+                )
+            else:
+                return MB_KEYS
+
+    def default_output(self, data):
+        """simple key/value output"""
+        items, self.metadata = data
+        keys = self.get_keys()
+
+        #  k_cb use format_[key] methods for complex formattings
+        k_cb = {}
+        for k in keys:
+            try:
+                callback = getattr(self, "format_" + k)
+            except AttributeError:
+                pass
+            else:
+                k_cb[k] = callback
+        for idx, item in enumerate(items):
+            for k in keys:
+                if k not in item and k not in k_cb:
+                    continue
+                if OUTPUT_OPT_NO_HEADER in self.args.output_opts:
+                    header = ""
+                else:
+                    header = "{k_fmt}{key}:{k_fmt_e} {sep}".format(
+                        k_fmt=C.A_HEADER,
+                        key=k,
+                        k_fmt_e=A.RESET,
+                        sep="\n" if "content" in k else "",
+                    )
+                value = k_cb[k](item, keys) if k in k_cb else item[k]
+                if isinstance(value, bool):
+                    value = str(value).lower()
+                elif isinstance(value, dict):
+                    value = repr(value)
+                self.disp(header + (value or ""))
+                # we want a separation line after each item but the last one
+            if idx < len(items) - 1:
+                print("")
+
+    def fancy_output(self, data):
+        """display blog is a nice to read way
+
+        this output doesn't use keys filter
+        """
+        # thanks to http://stackoverflow.com/a/943921
+        rows, columns = list(map(int, os.popen("stty size", "r").read().split()))
+        items, metadata = data
+        verbosity = self.args.verbose
+        sep = A.color(A.FG_BLUE, columns * "▬")
+        if items:
+            print(("\n" + sep + "\n"))
+
+        for idx, item in enumerate(items):
+            title = item.get("title")
+            if verbosity > 0:
+                author = item["author"]
+                published, updated = item["published"], item.get("updated")
+            else:
+                author = published = updated = None
+            if verbosity > 1:
+                tags = item.pop("tags", [])
+            else:
+                tags = None
+            content = item.get("content")
+
+            if title:
+                print((A.color(A.BOLD, A.FG_CYAN, item["title"])))
+            meta = []
+            if author:
+                meta.append(A.color(A.FG_YELLOW, author))
+            if published:
+                meta.append(A.color(A.FG_YELLOW, "on ", common.format_time(published)))
+            if updated != published:
+                meta.append(
+                    A.color(A.FG_YELLOW, "(updated on ", common.format_time(updated), ")")
+                )
+            print((" ".join(meta)))
+            if tags:
+                print((A.color(A.FG_MAGENTA, ", ".join(tags))))
+            if (title or tags) and content:
+                print("")
+            if content:
+                self.disp(content)
+
+            print(("\n" + sep + "\n"))
+
+    async def start(self):
+        try:
+            mb_data = data_format.deserialise(
+                await self.host.bridge.mb_get(
+                    self.args.service,
+                    self.args.node,
+                    self.args.max,
+                    self.args.items,
+                    self.get_pubsub_extra(),
+                    self.profile,
+                )
+            )
+        except Exception as e:
+            self.disp(f"can't get blog items: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            items = mb_data.pop("items")
+            await self.output((items, mb_data))
+            self.host.quit(C.EXIT_OK)
+
+
+class Edit(base.CommandBase, BlogPublishCommon, common.BaseEdit):
+    def __init__(self, host):
+        base.CommandBase.__init__(
+            self,
+            host,
+            "edit",
+            use_pubsub=True,
+            pubsub_flags={C.SINGLE_ITEM},
+            use_draft=True,
+            use_verbose=True,
+            help=_("edit an existing or new blog post"),
+        )
+        BlogPublishCommon.__init__(self)
+        common.BaseEdit.__init__(self, self.host, BLOG_TMP_DIR, use_metadata=True)
+
+    def add_parser_options(self):
+        BlogPublishCommon.add_parser_options(self)
+        self.parser.add_argument(
+            "-P",
+            "--preview",
+            action="store_true",
+            help=_("launch a blog preview in parallel"),
+        )
+        self.parser.add_argument(
+            "--no-publish",
+            action="store_true",
+            help=_('add "publish: False" to metadata'),
+        )
+
+    def build_metadata_file(self, content_file_path, mb_data=None):
+        """Build a metadata file using json
+
+        The file is named after content_file_path, with extension replaced by
+        _metadata.json
+        @param content_file_path(str): path to the temporary file which will contain the
+            body
+        @param mb_data(dict, None): microblog metadata (for existing items)
+        @return (tuple[dict, Path]): merged metadata put originaly in metadata file
+            and path to temporary metadata file
+        """
+        # we first construct metadata from edited item ones and CLI argumments
+        # or re-use the existing one if it exists
+        meta_file_path = content_file_path.with_name(
+            content_file_path.stem + common.METADATA_SUFF
+        )
+        if meta_file_path.exists():
+            self.disp("Metadata file already exists, we re-use it")
+            try:
+                with meta_file_path.open("rb") as f:
+                    mb_data = json.load(f)
+            except (OSError, IOError, ValueError) as e:
+                self.disp(
+                    f"Can't read existing metadata file at {meta_file_path}, "
+                    f"aborting: {e}",
+                    error=True,
+                )
+                self.host.quit(1)
+        else:
+            mb_data = {} if mb_data is None else mb_data.copy()
+
+            # in all cases, we want to remove unwanted keys
+        for key in KEY_TO_REMOVE_METADATA:
+            try:
+                del mb_data[key]
+            except KeyError:
+                pass
+                # and override metadata with command-line arguments
+        self.set_mb_data_from_args(mb_data)
+
+        if self.args.no_publish:
+            mb_data["publish"] = False
+
+            # then we create the file and write metadata there, as JSON dict
+            # XXX: if we port libervia-cli one day on Windows, O_BINARY may need to be
+            #   added here
+        with os.fdopen(
+            os.open(meta_file_path, os.O_RDWR | os.O_CREAT | os.O_TRUNC, 0o600), "w+b"
+        ) as f:
+            # we need to use an intermediate unicode buffer to write to the file
+            # unicode without escaping characters
+            unicode_dump = json.dumps(
+                mb_data,
+                ensure_ascii=False,
+                indent=4,
+                separators=(",", ": "),
+                sort_keys=True,
+            )
+            f.write(unicode_dump.encode("utf-8"))
+
+        return mb_data, meta_file_path
+
+    async def edit(self, content_file_path, content_file_obj, mb_data=None):
+        """Edit the file contening the content using editor, and publish it"""
+        # we first create metadata file
+        meta_ori, meta_file_path = self.build_metadata_file(content_file_path, mb_data)
+
+        coroutines = []
+
+        # do we need a preview ?
+        if self.args.preview:
+            self.disp("Preview requested, launching it", 1)
+            # we redirect outputs to /dev/null to avoid console pollution in editor
+            # if user wants to see messages, (s)he can call "blog preview" directly
+            coroutines.append(
+                asyncio.create_subprocess_exec(
+                    sys.argv[0],
+                    "blog",
+                    "preview",
+                    "--inotify",
+                    "true",
+                    "-p",
+                    self.profile,
+                    str(content_file_path),
+                    stdout=DEVNULL,
+                    stderr=DEVNULL,
+                )
+            )
+
+            # we launch editor
+        coroutines.append(
+            self.run_editor(
+                "blog_editor_args",
+                content_file_path,
+                content_file_obj,
+                meta_file_path=meta_file_path,
+                meta_ori=meta_ori,
+            )
+        )
+
+        await asyncio.gather(*coroutines)
+
+    async def publish(self, content, mb_data):
+        await self.set_mb_data_content(content, mb_data)
+
+        if self.pubsub_item:
+            mb_data["id"] = self.pubsub_item
+
+        mb_data = data_format.serialise(mb_data)
+
+        await self.host.bridge.mb_send(
+            self.pubsub_service, self.pubsub_node, mb_data, self.profile
+        )
+        self.disp("Blog item published")
+
+    def get_tmp_suff(self):
+        # we get current syntax to determine file extension
+        return SYNTAX_EXT.get(self.current_syntax, SYNTAX_EXT[""])
+
+    async def get_item_data(self, service, node, item):
+        items = [item] if item else []
+
+        mb_data = data_format.deserialise(
+            await self.host.bridge.mb_get(
+                service, node, 1, items, data_format.serialise({}), self.profile
+            )
+        )
+        item = mb_data["items"][0]
+
+        try:
+            content = item["content_xhtml"]
+        except KeyError:
+            content = item["content"]
+            if content:
+                content = await self.host.bridge.syntax_convert(
+                    content, "text", SYNTAX_XHTML, False, self.profile
+                )
+
+        if content and self.current_syntax != SYNTAX_XHTML:
+            content = await self.host.bridge.syntax_convert(
+                content, SYNTAX_XHTML, self.current_syntax, False, self.profile
+            )
+
+        if content and self.current_syntax == SYNTAX_XHTML:
+            content = content.strip()
+            if not content.startswith("<div>"):
+                content = "<div>" + content + "</div>"
+            try:
+                from lxml import etree
+            except ImportError:
+                self.disp(_("You need lxml to edit pretty XHTML"))
+            else:
+                parser = etree.XMLParser(remove_blank_text=True)
+                root = etree.fromstring(content, parser)
+                content = etree.tostring(root, encoding=str, pretty_print=True)
+
+        return content, item, item["id"]
+
+    async def start(self):
+        # if there are user defined extension, we use them
+        SYNTAX_EXT.update(
+            config.config_get(self.sat_conf, C.CONFIG_SECTION, CONF_SYNTAX_EXT, {})
+        )
+        self.current_syntax = await self.get_current_syntax()
+
+        (
+            self.pubsub_service,
+            self.pubsub_node,
+            self.pubsub_item,
+            content_file_path,
+            content_file_obj,
+            mb_data,
+        ) = await self.get_item_path()
+
+        await self.edit(content_file_path, content_file_obj, mb_data=mb_data)
+        self.host.quit()
+
+
+class Rename(base.CommandBase):
+    def __init__(self, host):
+        base.CommandBase.__init__(
+            self,
+            host,
+            "rename",
+            use_pubsub=True,
+            pubsub_flags={C.SINGLE_ITEM},
+            help=_("rename an blog item"),
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument("new_id", help=_("new item id to use"))
+
+    async def start(self):
+        try:
+            await self.host.bridge.mb_rename(
+                self.args.service,
+                self.args.node,
+                self.args.item,
+                self.args.new_id,
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't rename item: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            self.disp("Item renamed")
+            self.host.quit(C.EXIT_OK)
+
+
+class Repeat(base.CommandBase):
+    def __init__(self, host):
+        super().__init__(
+            host,
+            "repeat",
+            use_pubsub=True,
+            pubsub_flags={C.SINGLE_ITEM},
+            help=_("repeat (re-publish) a blog item"),
+        )
+
+    def add_parser_options(self):
+        pass
+
+    async def start(self):
+        try:
+            repeat_id = await self.host.bridge.mb_repeat(
+                self.args.service,
+                self.args.node,
+                self.args.item,
+                "",
+                self.profile,
+            )
+        except Exception as e:
+            self.disp(f"can't repeat item: {e}", error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            if repeat_id:
+                self.disp(f"Item repeated at ID {str(repeat_id)!r}")
+            else:
+                self.disp("Item repeated")
+            self.host.quit(C.EXIT_OK)
+
+
+class Preview(base.CommandBase, common.BaseEdit):
+    # TODO: need to be rewritten with template output
+
+    def __init__(self, host):
+        base.CommandBase.__init__(
+            self, host, "preview", use_verbose=True, help=_("preview a blog content")
+        )
+        common.BaseEdit.__init__(self, self.host, BLOG_TMP_DIR, use_metadata=True)
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "--inotify",
+            type=str,
+            choices=("auto", "true", "false"),
+            default="auto",
+            help=_("use inotify to handle preview"),
+        )
+        self.parser.add_argument(
+            "file",
+            nargs="?",
+            default="current",
+            help=_("path to the content file"),
+        )
+
+    async def show_preview(self):
+        # we implement show_preview here so we don't have to import webbrowser and urllib
+        # when preview is not used
+        url = "file:{}".format(self.urllib.parse.quote(self.preview_file_path))
+        self.webbrowser.open_new_tab(url)
+
+    async def _launch_preview_ext(self, cmd_line, opt_name):
+        url = "file:{}".format(self.urllib.parse.quote(self.preview_file_path))
+        args = common.parse_args(
+            self.host, cmd_line, url=url, preview_file=self.preview_file_path
+        )
+        if not args:
+            self.disp(
+                'Couln\'t find command in "{name}", abording'.format(name=opt_name),
+                error=True,
+            )
+            self.host.quit(1)
+        subprocess.Popen(args)
+
+    async def open_preview_ext(self):
+        await self._launch_preview_ext(self.open_cb_cmd, "blog_preview_open_cmd")
+
+    async def update_preview_ext(self):
+        await self._launch_preview_ext(self.update_cb_cmd, "blog_preview_update_cmd")
+
+    async def update_content(self):
+        with self.content_file_path.open("rb") as f:
+            content = f.read().decode("utf-8-sig")
+            if content and self.syntax != SYNTAX_XHTML:
+                # we use safe=True because we want to have a preview as close as possible
+                # to what the people will see
+                content = await self.host.bridge.syntax_convert(
+                    content, self.syntax, SYNTAX_XHTML, True, self.profile
+                )
+
+        xhtml = (
+            f'<html xmlns="http://www.w3.org/1999/xhtml">'
+            f'<head><meta http-equiv="Content-Type" content="text/html;charset=utf-8" />'
+            f"</head>"
+            f"<body>{content}</body>"
+            f"</html>"
+        )
+
+        with open(self.preview_file_path, "wb") as f:
+            f.write(xhtml.encode("utf-8"))
+
+    async def start(self):
+        import webbrowser
+        import urllib.request, urllib.parse, urllib.error
+
+        self.webbrowser, self.urllib = webbrowser, urllib
+
+        if self.args.inotify != "false":
+            try:
+                import aionotify
+
+            except ImportError:
+                if self.args.inotify == "auto":
+                    aionotify = None
+                    self.disp(
+                        f"aionotify module not found, deactivating feature. You can "
+                        f"install it with {AIONOTIFY_INSTALL}"
+                    )
+                else:
+                    self.disp(
+                        f"aioinotify not found, can't activate the feature! Please "
+                        f"install it with {AIONOTIFY_INSTALL}",
+                        error=True,
+                    )
+                    self.host.quit(1)
+        else:
+            aionotify = None
+
+        sat_conf = self.sat_conf
+        SYNTAX_EXT.update(
+            config.config_get(sat_conf, C.CONFIG_SECTION, CONF_SYNTAX_EXT, {})
+        )
+
+        try:
+            self.open_cb_cmd = config.config_get(
+                sat_conf, C.CONFIG_SECTION, "blog_preview_open_cmd", Exception
+            )
+        except (NoOptionError, NoSectionError):
+            self.open_cb_cmd = None
+            open_cb = self.show_preview
+        else:
+            open_cb = self.open_preview_ext
+
+        self.update_cb_cmd = config.config_get(
+            sat_conf, C.CONFIG_SECTION, "blog_preview_update_cmd", self.open_cb_cmd
+        )
+        if self.update_cb_cmd is None:
+            update_cb = self.show_preview
+        else:
+            update_cb = self.update_preview_ext
+
+            # which file do we need to edit?
+        if self.args.file == "current":
+            self.content_file_path = self.get_current_file(self.profile)
+        else:
+            try:
+                self.content_file_path = Path(self.args.file).resolve(strict=True)
+            except FileNotFoundError:
+                self.disp(_('File "{file}" doesn\'t exist!').format(file=self.args.file))
+                self.host.quit(C.EXIT_NOT_FOUND)
+
+        self.syntax = await guess_syntax_from_path(
+            self.host, sat_conf, self.content_file_path
+        )
+
+        # at this point the syntax is converted, we can display the preview
+        preview_file = tempfile.NamedTemporaryFile(suffix=".xhtml", delete=False)
+        self.preview_file_path = preview_file.name
+        preview_file.close()
+        await self.update_content()
+
+        if aionotify is None:
+            # XXX: we don't delete file automatically because browser needs it
+            #      (and webbrowser.open can return before it is read)
+            self.disp(
+                f"temporary file created at {self.preview_file_path}\nthis file will NOT "
+                f"BE DELETED AUTOMATICALLY, please delete it yourself when you have "
+                f"finished"
+            )
+            await open_cb()
+        else:
+            await open_cb()
+            watcher = aionotify.Watcher()
+            watcher_kwargs = {
+                # Watcher don't accept Path so we convert to string
+                "path": str(self.content_file_path),
+                "alias": "content_file",
+                "flags": aionotify.Flags.CLOSE_WRITE
+                | aionotify.Flags.DELETE_SELF
+                | aionotify.Flags.MOVE_SELF,
+            }
+            watcher.watch(**watcher_kwargs)
+
+            loop = asyncio.get_event_loop()
+            await watcher.setup(loop)
+
+            try:
+                while True:
+                    event = await watcher.get_event()
+                    self.disp("Content updated", 1)
+                    if event.flags & (
+                        aionotify.Flags.DELETE_SELF | aionotify.Flags.MOVE_SELF
+                    ):
+                        self.disp(
+                            "DELETE/MOVE event catched, changing the watch",
+                            2,
+                        )
+                        try:
+                            watcher.unwatch("content_file")
+                        except IOError as e:
+                            self.disp(
+                                f"Can't remove the watch: {e}",
+                                2,
+                            )
+                        watcher = aionotify.Watcher()
+                        watcher.watch(**watcher_kwargs)
+                        try:
+                            await watcher.setup(loop)
+                        except OSError:
+                            # if the new file is not here yet we can have an error
+                            # as a workaround, we do a little rest and try again
+                            await asyncio.sleep(1)
+                            await watcher.setup(loop)
+                    await self.update_content()
+                    await update_cb()
+            except FileNotFoundError:
+                self.disp("The file seems to have been deleted.", error=True)
+                self.host.quit(C.EXIT_NOT_FOUND)
+            finally:
+                os.unlink(self.preview_file_path)
+                try:
+                    watcher.unwatch("content_file")
+                except IOError as e:
+                    self.disp(
+                        f"Can't remove the watch: {e}",
+                        2,
+                    )
+
+
+class Import(base.CommandBase):
+    def __init__(self, host):
+        super().__init__(
+            host,
+            "import",
+            use_pubsub=True,
+            use_progress=True,
+            help=_("import an external blog"),
+        )
+
+    def add_parser_options(self):
+        self.parser.add_argument(
+            "importer",
+            nargs="?",
+            help=_("importer name, nothing to display importers list"),
+        )
+        self.parser.add_argument("--host", help=_("original blog host"))
+        self.parser.add_argument(
+            "--no-images-upload",
+            action="store_true",
+            help=_("do *NOT* upload images (default: do upload images)"),
+        )
+        self.parser.add_argument(
+            "--upload-ignore-host",
+            help=_("do not upload images from this host (default: upload all images)"),
+        )
+        self.parser.add_argument(
+            "--ignore-tls-errors",
+            action="store_true",
+            help=_("ignore invalide TLS certificate for uploads"),
+        )
+        self.parser.add_argument(
+            "-o",
+            "--option",
+            action="append",
+            nargs=2,
+            default=[],
+            metavar=("NAME", "VALUE"),
+            help=_("importer specific options (see importer description)"),
+        )
+        self.parser.add_argument(
+            "location",
+            nargs="?",
+            help=_(
+                "importer data location (see importer description), nothing to show "
+                "importer description"
+            ),
+        )
+
+    async def on_progress_started(self, metadata):
+        self.disp(_("Blog upload started"), 2)
+
+    async def on_progress_finished(self, metadata):
+        self.disp(_("Blog uploaded successfully"), 2)
+        redirections = {
+            k[len(URL_REDIRECT_PREFIX) :]: v
+            for k, v in metadata.items()
+            if k.startswith(URL_REDIRECT_PREFIX)
+        }
+        if redirections:
+            conf = "\n".join(
+                [
+                    "url_redirections_dict = {}".format(
+                        # we need to add ' ' before each new line
+                        # and to double each '%' for ConfigParser
+                        "\n ".join(
+                            json.dumps(redirections, indent=1, separators=(",", ": "))
+                            .replace("%", "%%")
+                            .split("\n")
+                        )
+                    ),
+                ]
+            )
+            self.disp(
+                _(
+                    "\nTo redirect old URLs to new ones, put the following lines in your"
+                    " sat.conf file, in [libervia] section:\n\n{conf}"
+                ).format(conf=conf)
+            )
+
+    async def on_progress_error(self, error_msg):
+        self.disp(
+            _("Error while uploading blog: {error_msg}").format(error_msg=error_msg),
+            error=True,
+        )
+
+    async def start(self):
+        if self.args.location is None:
+            for name in ("option", "service", "no_images_upload"):
+                if getattr(self.args, name):
+                    self.parser.error(
+                        _(
+                            "{name} argument can't be used without location argument"
+                        ).format(name=name)
+                    )
+            if self.args.importer is None:
+                self.disp(
+                    "\n".join(
+                        [
+                            f"{name}: {desc}"
+                            for name, desc in await self.host.bridge.blogImportList()
+                        ]
+                    )
+                )
+            else:
+                try:
+                    short_desc, long_desc = await self.host.bridge.blogImportDesc(
+                        self.args.importer
+                    )
+                except Exception as e:
+                    msg = [l for l in str(e).split("\n") if l][
+                        -1
+                    ]  # we only keep the last line
+                    self.disp(msg)
+                    self.host.quit(1)
+                else:
+                    self.disp(f"{self.args.importer}: {short_desc}\n\n{long_desc}")
+            self.host.quit()
+        else:
+            # we have a location, an import is requested
+            options = {key: value for key, value in self.args.option}
+            if self.args.host:
+                options["host"] = self.args.host
+            if self.args.ignore_tls_errors:
+                options["ignore_tls_errors"] = C.BOOL_TRUE
+            if self.args.no_images_upload:
+                options["upload_images"] = C.BOOL_FALSE
+                if self.args.upload_ignore_host:
+                    self.parser.error(
+                        "upload-ignore-host option can't be used when no-images-upload "
+                        "is set"
+                    )
+            elif self.args.upload_ignore_host:
+                options["upload_ignore_host"] = self.args.upload_ignore_host
+
+            try:
+                progress_id = await self.host.bridge.blogImport(
+                    self.args.importer,
+                    self.args.location,
+                    options,
+                    self.args.service,
+                    self.args.node,
+                    self.profile,
+                )
+            except Exception as e:
+                self.disp(
+                    _("Error while trying to import a blog: {e}").format(e=e),
+                    error=True,
+                )
+                self.host.quit(1)
+            else:
+                await self.set_progress_id(progress_id)
+
+
+class AttachmentGet(cmd_pubsub.AttachmentGet):
+
+    def __init__(self, host):
+        super().__init__(host)
+        self.override_pubsub_flags({C.SERVICE, C.SINGLE_ITEM})
+
+
+    async def start(self):
+        if not self.args.node:
+            namespaces = await self.host.bridge.namespaces_get()
+            try:
+                ns_microblog = namespaces["microblog"]
+            except KeyError:
+                self.disp("XEP-0277 plugin is not loaded", error=True)
+                self.host.quit(C.EXIT_MISSING_FEATURE)
+            else:
+                self.args.node = ns_microblog
+        return await super().start()
+
+
+class AttachmentSet(cmd_pubsub.AttachmentSet):
+
+    def __init__(self, host):
+        super().__init__(host)
+        self.override_pubsub_flags({C.SERVICE, C.SINGLE_ITEM})
+
+    async def start(self):
+        if not self.args.node:
+            namespaces = await self.host.bridge.namespaces_get()
+            try:
+                ns_microblog = namespaces["microblog"]
+            except KeyError:
+                self.disp("XEP-0277 plugin is not loaded", error=True)
+                self.host.quit(C.EXIT_MISSING_FEATURE)
+            else:
+                self.args.node = ns_microblog
+        return await super().start()
+
+
+class Attachments(base.CommandBase):
+    subcommands = (AttachmentGet, AttachmentSet)
+
+    def __init__(self, host):
+        super().__init__(
+            host,
+            "attachments",
+            use_profile=False,
+            help=_("set or retrieve blog attachments"),
+        )
+
+
+class Blog(base.CommandBase):
+    subcommands = (Set, Get, Edit, Rename, Repeat, Preview, Import, Attachments)
+
+    def __init__(self, host):
+        super(Blog, self).__init__(
+            host, "blog", use_profile=False, help=_("blog/microblog management")
+        )