jp: jp asyncio port:

/!\ this commit is huge. Jp is temporarily not working with `dbus` bridge /!\

This patch implements the port of jp to asyncio, so it is now correctly using the bridge
asynchronously, and it can be used with bridges like `pb`. This also simplify the code,
notably for things which were previously implemented with many callbacks (like pagination
with RSM).

During the process, some behaviours have been modified/fixed, in jp and backends, check
diff for details.

sat/plugins/plugin_import.py

@@ -64,7 +64,7 @@ class ImportPlugin(object):
         @param name(unicode): import handler name
         """
         assert name == name.lower().strip()
-        log.info(_("initializing {name} import handler").format(name=name))
+        log.info(_(f"initializing {name} import handler"))
         import_handler.name = name
         import_handler.register = partial(self.register, import_handler)
         import_handler.unregister = partial(self.unregister, import_handler)
@@ -139,16 +139,8 @@ class ImportPlugin(object):
         else:
             return importer.short_desc, importer.long_desc
 
-    def _doImport(
-        self,
-        import_handler,
-        name,
-        location,
-        options,
-        pubsub_service="",
-        pubsub_node="",
-        profile=C.PROF_KEY_NONE,
-    ):
+    def _doImport(self, import_handler, name, location, options, pubsub_service="",
+                  pubsub_node="", profile=C.PROF_KEY_NONE):
         client = self.host.getClient(profile)
         options = {key: str(value) for key, value in options.items()}
         for option in import_handler.BOOL_OPTIONS:
@@ -159,9 +151,11 @@ class ImportPlugin(object):
         for option in import_handler.JSON_OPTIONS:
             try:
                 options[option] = json.loads(options[option])
+            except KeyError:
+                pass
             except ValueError:
                 raise exceptions.DataError(
-                    _("invalid json option: {name}").format(name=option)
+                    _(f"invalid json option: {option}")
                 )
         pubsub_service = jid.JID(pubsub_service) if pubsub_service else None
         return self.doImport(
@@ -175,16 +169,8 @@ class ImportPlugin(object):
         )
 
     @defer.inlineCallbacks
-    def doImport(
-        self,
-        client,
-        import_handler,
-        name,
-        location,
-        options=None,
-        pubsub_service=None,
-        pubsub_node=None,
-    ):
+    def doImport(self, client, import_handler, name, location, options=None,
+                 pubsub_service=None, pubsub_node=None,):
         """Import data
 
         @param import_handler(object): instance of the import handler
@@ -193,7 +179,8 @@ class ImportPlugin(object):
             can be an url, a file path, or anything which make sense
             check importer description for more details
         @param options(dict, None): extra options.
-        @param pubsub_service(jid.JID, None): jid of the PubSub service where data must be imported
+        @param pubsub_service(jid.JID, None): jid of the PubSub service where data must be
+            imported.
             None to use profile's server
         @param pubsub_node(unicode, None): PubSub node to use
             None to use importer's default node