libervia-backend: libervia/backend/plugins/plugin_pubsub

annotate libervia/backend/plugins/plugin_pubsub_cache.py @ 4189:04cd749de818

docker (backend-dev-demo): command renaming + add a bookmark to avoid empty chat

author	Goffi <goffi@goffi.org>
date	Mon, 11 Dec 2023 00:54:01 +0100
parents	4b842c1fb686
children	2b000790b197

rev	line source
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python3
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	2
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	3 # Libervia plugin for PubSub Caching
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	5
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	6 # This program is free software: you can redistribute it and/or modify
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	9 # (at your option) any later version.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	10
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	11 # This program is distributed in the hope that it will be useful,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	15
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	16 # You should have received a copy of the GNU Affero General Public License
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	18
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	19 import time
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	20 from datetime import datetime
3738 ffa8c8c78115 plugin XEP-0059, cache: allow those plugins to work in component mode Goffi <goffi@goffi.org> parents: 3666 diff changeset	21 from typing import Optional, List, Tuple, Dict, Any
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	22 from twisted.words.protocols.jabber import jid, error
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	23 from twisted.words.xish import domish
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	24 from twisted.internet import defer
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	25 from wokkel import pubsub, rsm
4071 4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	26 from libervia.backend.core.i18n import _
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	27 from libervia.backend.core.constants import Const as C
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	28 from libervia.backend.core import exceptions
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	29 from libervia.backend.core.log import getLogger
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	30 from libervia.backend.core.core_types import SatXMPPEntity
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	31 from libervia.backend.tools import xml_tools, utils
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	32 from libervia.backend.tools.common import data_format
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4037 diff changeset	33 from libervia.backend.memory.sqla import PubsubNode, PubsubItem, SyncState, IntegrityError
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	34
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	35
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	36 log = getLogger(__name__)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	37
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	38 PLUGIN_INFO = {
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	39 C.PI_NAME: "PubSub Cache",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	40 C.PI_IMPORT_NAME: "PUBSUB_CACHE",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	41 C.PI_TYPE: C.PLUG_TYPE_PUBSUB,
3738 ffa8c8c78115 plugin XEP-0059, cache: allow those plugins to work in component mode Goffi <goffi@goffi.org> parents: 3666 diff changeset	42 C.PI_MODES: C.PLUG_MODE_BOTH,
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	43 C.PI_PROTOCOLS: [],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	44 C.PI_DEPENDENCIES: ["XEP-0059", "XEP-0060"],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	45 C.PI_RECOMMENDATIONS: [],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	46 C.PI_MAIN: "PubsubCache",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	47 C.PI_HANDLER: "no",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	48 C.PI_DESCRIPTION: _("""Local Cache for PubSub"""),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	49 }
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	50
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	51 ANALYSER_KEYS_TO_COPY = ("name", "type", "to_sync", "parser")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	52 # maximum of items to cache
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	53 CACHE_LIMIT = 5000
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	54 # number of second before a progress caching is considered failed and tried again
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	55 PROGRESS_DEADLINE = 60 * 60 * 6
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	56
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	57
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	58
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	59 class PubsubCache:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	60 # TODO: there is currently no notification for (un)subscribe events with XEP-0060,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	61 # but it would be necessary to have this data if some devices unsubscribe a cached
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	62 # node, as we can then get out of sync. A protoXEP could be proposed to fix this
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	63 # situation.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	64 # TODO: handle configuration events
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	65
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	66 def __init__(self, host):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	67 log.info(_("PubSub Cache initialization"))
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	68 strategy = host.memory.config_get(None, "pubsub_cache_strategy")
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	69 if strategy == "no_cache":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	70 log.info(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	71 _(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	72 "Pubsub cache won't be used due to pubsub_cache_strategy={value} "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	73 "setting."
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	74 ).format(value=repr(strategy))
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	75 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	76 self.use_cache = False
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	77 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	78 self.use_cache = True
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	79 self.host = host
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	80 self._p = host.plugins["XEP-0060"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	81 self.analysers = {}
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	82 # map for caching in progress (node, service) => Deferred
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	83 self.in_progress = {}
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	84 self.host.trigger.add("XEP-0060_getItems", self._get_items_trigger)
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	85 self._p.add_managed_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	86 "",
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	87 items_cb=self.on_items_event,
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	88 delete_cb=self.on_delete_event,
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	89 purge_db=self.on_purge_event,
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	90 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	91 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	92 "ps_cache_get",
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	93 ".plugin",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	94 in_sign="ssiassss",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	95 out_sign="s",
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	96 method=self._get_items_from_cache,
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	97 async_=True,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	98 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	99 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	100 "ps_cache_sync",
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	101 ".plugin",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	102 "sss",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	103 out_sign="",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	104 method=self._synchronise,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	105 async_=True,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	106 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	107 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	108 "ps_cache_purge",
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	109 ".plugin",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	110 "s",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	111 out_sign="",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	112 method=self._purge,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	113 async_=True,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	114 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	115 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	116 "ps_cache_reset",
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	117 ".plugin",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	118 "",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	119 out_sign="",
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	120 method=self._reset,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	121 async_=True,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	122 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	123 host.bridge.add_method(
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	124 "ps_cache_search",
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	125 ".plugin",
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	126 "s",
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	127 out_sign="s",
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	128 method=self._search,
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	129 async_=True,
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	130 )
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	131
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	132 def register_analyser(self, analyser: dict) -> None:
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	133 """Register a new pubsub node analyser
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	134
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	135 @param analyser: An analyser is a dictionary which may have the following keys
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	136 (keys with a ``*`` are mandatory, at least one of ``node`` or ``namespace`` keys
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	137 must be used):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	138
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	139 :name (str)*:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	140 a unique name for this analyser. This name will be stored in database
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	141 to retrieve the analyser when necessary (notably to get the parsing method),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	142 thus it is recommended to use a stable name such as the source plugin name
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	143 instead of a name which may change with standard evolution, such as the
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	144 feature namespace.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	145
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	146 :type (str)*:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	147 indicates what kind of items we are dealing with. Type must be a human
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	148 readable word, as it may be used in searches. Good types examples are
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	149 blog or event.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	150
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	151 :node (str):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	152 prefix of a node name which may be used to identify its type. Example:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	153 urn:xmpp:microblog:0 (a node starting with this name will be identified as
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	154 blog node).
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	155
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	156 :namespace (str):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	157 root namespace of items. When analysing a node, the first item will be
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	158 retrieved. The analyser will be chosen its given namespace match the
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	159 namespace of the first child element of ``<item>`` element.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	160
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	161 :to_sync (bool):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	162 if True, the node must be synchronised in cache. The default False value
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	163 means that the pubsub service will always be requested.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	164
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	165 :parser (callable):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	166 method (which may be sync, a coroutine or a method returning a "Deferred")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	167 to call to parse the ``domish.Element`` of the item. The result must be
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	168 dictionary which can be serialised to JSON.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	169
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	170 The method must have the following signature:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	171
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	172 .. function:: parser(client: SatXMPPEntity, item_elt: domish.Element, \
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	173 service: Optional[jid.JID], node: Optional[str]) \
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	174 -> dict
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	175 :noindex:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	176
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	177 :match_cb (callable):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	178 method (which may be sync, a coroutine or a method returning a "Deferred")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	179 called when the analyser matches. The method is called with the curreny
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	180 analyse which is can modify in-place.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	181
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	182 The method must have the following signature:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	183
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	184 .. function:: match_cb(client: SatXMPPEntity, analyse: dict) -> None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	185 :noindex:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	186
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	187 @raise exceptions.Conflict: a analyser with this name already exists
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	188 """
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	189
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	190 name = analyser.get("name", "").strip().lower()
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	191 # we want the normalised name
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	192 analyser["name"] = name
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	193 if not name:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	194 raise ValueError('"name" is mandatory in analyser')
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	195 if "type" not in analyser:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	196 raise ValueError('"type" is mandatory in analyser')
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	197 type_test_keys = {"node", "namespace"}
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	198 if not type_test_keys.intersection(analyser):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	199 raise ValueError(f'at least one of {type_test_keys} must be used')
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	200 if name in self.analysers:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	201 raise exceptions.Conflict(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	202 f"An analyser with the name {name!r} is already registered"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	203 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	204 self.analysers[name] = analyser
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	205
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	206 async def cache_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	207 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	208 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	209 pubsub_node: PubsubNode,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	210 items: List[domish.Element]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	211 ) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	212 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	213 parser = self.analysers[pubsub_node.analyser].get("parser")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	214 except KeyError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	215 parser = None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	216
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	217 if parser is not None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	218 parsed_items = [
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	219 await utils.as_deferred(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	220 parser,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	221 client,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	222 item,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	223 pubsub_node.service,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	224 pubsub_node.name
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	225 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	226 for item in items
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	227 ]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	228 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	229 parsed_items = None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	230
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	231 await self.host.memory.storage.cache_pubsub_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	232 client, pubsub_node, items, parsed_items
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	233 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	234
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	235 async def _cache_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	236 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	237 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	238 pubsub_node: PubsubNode
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	239 ) -> None:
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	240 await self.host.memory.storage.update_pubsub_node_sync_state(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	241 pubsub_node, SyncState.IN_PROGRESS
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	242 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	243 service, node = pubsub_node.service, pubsub_node.name
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	244 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	245 log.debug(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	246 f"Caching node {node!r} at {service} for {client.profile}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	247 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	248 if not pubsub_node.subscribed:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	249 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	250 sub = await self._p.subscribe(client, service, node)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	251 except Exception as e:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	252 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	253 _(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	254 "Can't subscribe node {pubsub_node}, that means that "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	255 "synchronisation can't be maintained: {reason}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	256 ).format(pubsub_node=pubsub_node, reason=e)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	257 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	258 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	259 if sub.state == "subscribed":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	260 sub_id = sub.subscriptionIdentifier
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	261 log.debug(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	262 f"{pubsub_node} subscribed (subscription id: {sub_id!r})"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	263 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	264 pubsub_node.subscribed = True
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	265 await self.host.memory.storage.add(pubsub_node)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	266 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	267 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	268 _(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	269 "{pubsub_node} is not subscribed, that means that "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	270 "synchronisation can't be maintained, and you may have "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	271 "to enforce subscription manually. Subscription state: "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	272 "{state}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	273 ).format(pubsub_node=pubsub_node, state=sub.state)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	274 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	275
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	276 try:
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	277 await self.host.check_features(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	278 client, [rsm.NS_RSM, self._p.DISCO_RSM], pubsub_node.service
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	279 )
3759 c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	280 except error.StanzaError as e:
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	281 if e.condition == "service-unavailable":
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	282 log.warning(
3854 8a2c46122a11 plugin XEP-0060: fix bad naming of return variable Goffi <goffi@goffi.org> parents: 3831 diff changeset	283 "service {service} is hidding disco infos, we'll only cache "
8a2c46122a11 plugin XEP-0060: fix bad naming of return variable Goffi <goffi@goffi.org> parents: 3831 diff changeset	284 "latest 20 items"
3759 c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	285 )
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	286 items, __ = await client.pubsub_client.items(
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	287 pubsub_node.service, pubsub_node.name, maxItems=20
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	288 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	289 await self.cache_items(
3759 c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	290 client, pubsub_node, items
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	291 )
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	292 else:
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	293 raise e
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	294 except exceptions.FeatureNotFound:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	295 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	296 f"service {service} doesn't handle Result Set Management "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	297 "(XEP-0059), we'll only cache latest 20 items"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	298 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	299 items, __ = await client.pubsub_client.items(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	300 pubsub_node.service, pubsub_node.name, maxItems=20
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	301 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	302 await self.cache_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	303 client, pubsub_node, items
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	304 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	305 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	306 rsm_p = self.host.plugins["XEP-0059"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	307 rsm_request = rsm.RSMRequest()
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	308 cached_ids = set()
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	309 while True:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	310 items, rsm_response = await client.pubsub_client.items(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	311 service, node, rsm_request=rsm_request
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	312 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	313 await self.cache_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	314 client, pubsub_node, items
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	315 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	316 for item in items:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	317 item_id = item["id"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	318 if item_id in cached_ids:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	319 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	320 f"Pubsub node {node!r} at {service} is returning several "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	321 f"times the same item ({item_id!r}). This is illegal "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	322 "behaviour, and it means that Pubsub service "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	323 f"{service} is buggy and can't be cached properly. "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	324 f"Please report this to {service.host} administrators"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	325 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	326 rsm_request = None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	327 break
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	328 cached_ids.add(item["id"])
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	329 if len(cached_ids) >= CACHE_LIMIT:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	330 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	331 f"Pubsub node {node!r} at {service} contains more items "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	332 f"than the cache limit ({CACHE_LIMIT}). We stop "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	333 "caching here, at item {item['id']!r}."
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	334 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	335 rsm_request = None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	336 break
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	337 rsm_request = rsm_p.get_next_request(rsm_request, rsm_response)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	338 if rsm_request is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	339 break
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	340
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	341 await self.host.memory.storage.update_pubsub_node_sync_state(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	342 pubsub_node, SyncState.COMPLETED
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	343 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	344 except Exception as e:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	345 import traceback
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	346 tb = traceback.format_tb(e.__traceback__)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	347 log.error(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	348 f"Can't cache node {node!r} at {service} for {client.profile}: {e}\n{tb}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	349 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	350 await self.host.memory.storage.update_pubsub_node_sync_state(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	351 pubsub_node, SyncState.ERROR
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	352 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	353 await self.host.memory.storage.delete_pubsub_items(pubsub_node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	354 raise e
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	355
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	356 def _cache_node_clean(self, __, pubsub_node):
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	357 del self.in_progress[(pubsub_node.service, pubsub_node.name)]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	358
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	359 def cache_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	360 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	361 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	362 pubsub_node: PubsubNode
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	363 ) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	364 """Launch node caching as a background task"""
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	365 d = defer.ensureDeferred(self._cache_node(client, pubsub_node))
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	366 d.addBoth(self._cache_node_clean, pubsub_node=pubsub_node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	367 self.in_progress[(pubsub_node.service, pubsub_node.name)] = d
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	368 return d
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	369
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	370 async def analyse_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	371 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	372 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	373 service: jid.JID,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	374 node: str,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	375 pubsub_node : PubsubNode = None,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	376 ) -> dict:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	377 """Use registered analysers on a node to determine what it is used for"""
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	378 analyse = {"service": service, "node": node}
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	379 if pubsub_node is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	380 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	381 first_item = (await client.pubsub_client.items(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	382 service, node, 1
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	383 ))[0][0]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	384 except IndexError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	385 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	386 except error.StanzaError as e:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	387 if e.condition == "item-not-found":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	388 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	389 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	390 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	391 f"Can't retrieve last item on node {node!r} at service "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	392 f"{service} for {client.profile}: {e}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	393 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	394 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	395 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	396 uri = first_item.firstChildElement().uri
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	397 except Exception as e:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	398 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	399 f"Can't retrieve item namespace on node {node!r} at service "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	400 f"{service} for {client.profile}: {e}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	401 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	402 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	403 analyse["namespace"] = uri
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	404 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	405 conf = await self._p.getConfiguration(client, service, node)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	406 except Exception as e:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	407 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	408 f"Can't retrieve configuration for node {node!r} at service {service} "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	409 f"for {client.profile}: {e}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	410 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	411 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	412 analyse["conf"] = conf
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	413
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	414 for analyser in self.analysers.values():
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	415 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	416 an_node = analyser["node"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	417 except KeyError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	418 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	419 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	420 if node.startswith(an_node):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	421 for key in ANALYSER_KEYS_TO_COPY:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	422 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	423 analyse[key] = analyser[key]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	424 except KeyError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	425 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	426 found = True
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	427 break
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	428 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	429 namespace = analyse["namespace"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	430 an_namespace = analyser["namespace"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	431 except KeyError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	432 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	433 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	434 if namespace == an_namespace:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	435 for key in ANALYSER_KEYS_TO_COPY:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	436 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	437 analyse[key] = analyser[key]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	438 except KeyError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	439 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	440 found = True
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	441 break
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	442
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	443 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	444 found = False
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	445 log.debug(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	446 f"node {node!r} at service {service} doesn't match any known type"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	447 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	448 if found:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	449 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	450 match_cb = analyser["match_cb"]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	451 except KeyError:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	452 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	453 else:
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	454 await utils.as_deferred(match_cb, client, analyse)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	455 return analyse
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	456
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	457 def _get_items_from_cache(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	458 self, service="", node="", max_items=10, item_ids=None, sub_id=None,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	459 extra="", profile_key=C.PROF_KEY_NONE
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	460 ):
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	461 d = defer.ensureDeferred(self._a_get_items_from_cache(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	462 service, node, max_items, item_ids, sub_id, extra, profile_key
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	463 ))
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	464 d.addCallback(self._p.trans_items_data)
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	465 d.addCallback(self._p.serialise_items)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	466 return d
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	467
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	468 async def _a_get_items_from_cache(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	469 self, service, node, max_items, item_ids, sub_id, extra, profile_key
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	470 ):
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	471 client = self.host.get_client(profile_key)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	472 service = jid.JID(service) if service else client.jid.userhostJID()
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	473 pubsub_node = await self.host.memory.storage.get_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	474 client, service, node
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	475 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	476 if pubsub_node is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	477 raise exceptions.NotFound(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	478 f"{node!r} at {service} doesn't exist in cache for {client.profile!r}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	479 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	480 max_items = None if max_items == C.NO_LIMIT else max_items
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	481 extra = self._p.parse_extra(data_format.deserialise(extra))
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	482 items, metadata = await self.get_items_from_cache(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	483 client,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	484 pubsub_node,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	485 max_items,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	486 item_ids,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	487 sub_id or None,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	488 extra.rsm_request,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	489 extra.extra,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	490 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	491 return [i.data for i in items], metadata
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	492
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	493 async def get_items_from_cache(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	494 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	495 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	496 node: PubsubNode,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	497 max_items: Optional[int] = None,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	498 item_ids: Optional[List[str]] = None,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	499 sub_id: Optional[str] = None,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	500 rsm_request: Optional[rsm.RSMRequest] = None,
3738 ffa8c8c78115 plugin XEP-0059, cache: allow those plugins to work in component mode Goffi <goffi@goffi.org> parents: 3666 diff changeset	501 extra: Optional[Dict[str, Any]] = None
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	502 ) -> Tuple[List[PubsubItem], dict]:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	503 """Get items from cache, using same arguments as for external Pubsub request"""
3738 ffa8c8c78115 plugin XEP-0059, cache: allow those plugins to work in component mode Goffi <goffi@goffi.org> parents: 3666 diff changeset	504 if extra is None:
ffa8c8c78115 plugin XEP-0059, cache: allow those plugins to work in component mode Goffi <goffi@goffi.org> parents: 3666 diff changeset	505 extra = {}
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	506 if "mam" in extra:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	507 raise NotImplementedError("MAM queries are not supported yet")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	508 if max_items is None and rsm_request is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	509 max_items = 20
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	510 pubsub_items, metadata = await self.host.memory.storage.get_items(
3863 c04f5e8a3568 plugin pubsub cache: replace empty list by None in `getItemsFromCache`: Goffi <goffi@goffi.org> parents: 3854 diff changeset	511 node, max_items=max_items, item_ids=item_ids or None,
3759 c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	512 order_by=extra.get(C.KEY_ORDER_BY)
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	513 )
c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	514 elif max_items is not None:
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	515 if rsm_request is not None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	516 raise exceptions.InternalError(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	517 "Pubsub max items and RSM must not be used at the same time"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	518 )
3759 c4881833cf8a plugin pubsub cache: more resilient node caching: Goffi <goffi@goffi.org> parents: 3738 diff changeset	519 elif item_ids:
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	520 raise exceptions.InternalError(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	521 "Pubsub max items and item IDs must not be used at the same time"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	522 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	523 pubsub_items, metadata = await self.host.memory.storage.get_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	524 node, max_items=max_items, order_by=extra.get(C.KEY_ORDER_BY)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	525 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	526 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	527 desc = False
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	528 if rsm_request.before == "":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	529 before = None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	530 desc = True
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	531 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	532 before = rsm_request.before
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	533 pubsub_items, metadata = await self.host.memory.storage.get_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	534 node, max_items=rsm_request.max, before=before, after=rsm_request.after,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	535 from_index=rsm_request.index, order_by=extra.get(C.KEY_ORDER_BY),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	536 desc=desc, force_rsm=True,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	537 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	538
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	539 return pubsub_items, metadata
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	540
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	541 async def on_items_event(self, client, event):
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	542 node = await self.host.memory.storage.get_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	543 client, event.sender, event.nodeIdentifier
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	544 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	545 if node is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	546 return
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	547 if node.sync_state in (SyncState.COMPLETED, SyncState.IN_PROGRESS):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	548 items = []
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	549 retract_ids = []
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	550 for elt in event.items:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	551 if elt.name == "item":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	552 items.append(elt)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	553 elif elt.name == "retract":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	554 item_id = elt.getAttribute("id")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	555 if not item_id:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	556 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	557 "Ignoring invalid retract item element: "
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	558 f"{xml_tools.p_fmt_elt(elt)}"
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	559 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	560 continue
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	561
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	562 retract_ids.append(elt["id"])
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	563 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	564 log.warning(
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	565 f"Unexpected Pubsub event element: {xml_tools.p_fmt_elt(elt)}"
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	566 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	567 if items:
3831 604b6acaee22 plugin pubsub cache: resync in `synchronise` when node's `sync_state` is not set: Goffi <goffi@goffi.org> parents: 3760 diff changeset	568 log.debug(f"[{client.profile}] caching new items received from {node}")
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	569 await self.cache_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	570 client, node, items
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	571 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	572 if retract_ids:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	573 log.debug(f"deleting retracted items from {node}")
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	574 await self.host.memory.storage.delete_pubsub_items(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	575 node, items_names=retract_ids
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	576 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	577
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	578 async def on_delete_event(self, client, event):
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	579 log.debug(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	580 f"deleting node {event.nodeIdentifier} from {event.sender} for "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	581 f"{client.profile}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	582 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	583 await self.host.memory.storage.delete_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	584 [client.profile], [event.sender], [event.nodeIdentifier]
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	585 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	586
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	587 async def on_purge_event(self, client, event):
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	588 node = await self.host.memory.storage.get_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	589 client, event.sender, event.nodeIdentifier
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	590 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	591 if node is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	592 return
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	593 log.debug(f"purging node {node} for {client.profile}")
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	594 await self.host.memory.storage.delete_pubsub_items(node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	595
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	596 async def _get_items_trigger(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	597 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	598 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	599 service: Optional[jid.JID],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	600 node: str,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	601 max_items: Optional[int],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	602 item_ids: Optional[List[str]],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	603 sub_id: Optional[str],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	604 rsm_request: Optional[rsm.RSMRequest],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	605 extra: dict
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	606 ) -> Tuple[bool, Optional[Tuple[List[dict], dict]]]:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	607 if not self.use_cache:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	608 log.debug("cache disabled in settings")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	609 return True, None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	610 if extra.get(C.KEY_USE_CACHE) == False:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	611 log.debug("skipping pubsub cache as requested")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	612 return True, None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	613 if service is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	614 service = client.jid.userhostJID()
3941 036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	615 for __ in range(5):
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	616 pubsub_node = await self.host.memory.storage.get_pubsub_node(
3941 036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	617 client, service, node
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	618 )
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	619 if pubsub_node is not None and pubsub_node.sync_state == SyncState.COMPLETED:
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	620 analyse = {"to_sync": True}
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	621 else:
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	622 analyse = await self.analyse_node(client, service, node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	623
3941 036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	624 if pubsub_node is None:
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	625 try:
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	626 pubsub_node = await self.host.memory.storage.set_pubsub_node(
3941 036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	627 client,
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	628 service,
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	629 node,
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	630 analyser=analyse.get("name"),
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	631 type_=analyse.get("type"),
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	632 subtype=analyse.get("subtype"),
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	633 )
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	634 except IntegrityError as e:
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	635 if "unique" in str(e.orig).lower():
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	636 log.debug(
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	637 "race condition on pubsub node creation in cache, trying "
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	638 "again"
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	639 )
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	640 else:
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	641 raise e
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	642 break
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	643 else:
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	644 raise exceptions.InternalError(
036188fff714 plugin pubsub cache: avoid race condition by retrying node request: Goffi <goffi@goffi.org> parents: 3934 diff changeset	645 "Too many IntegrityError with UNIQUE constraint, something is going wrong"
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	646 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	647
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	648 if analyse.get("to_sync"):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	649 if pubsub_node.sync_state == SyncState.COMPLETED:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	650 if "mam" in extra:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	651 log.debug("MAM caching is not supported yet, skipping cache")
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	652 return True, None
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	653 pubsub_items, metadata = await self.get_items_from_cache(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	654 client, pubsub_node, max_items, item_ids, sub_id, rsm_request, extra
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	655 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	656 return False, ([i.data for i in pubsub_items], metadata)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	657
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	658 if pubsub_node.sync_state == SyncState.IN_PROGRESS:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	659 if (service, node) not in self.in_progress:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	660 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	661 f"{pubsub_node} is reported as being cached, but not caching is "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	662 "in progress, this is most probably due to the backend being "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	663 "restarted. Resetting the status, caching will be done again."
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	664 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	665 pubsub_node.sync_state = None
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	666 await self.host.memory.storage.delete_pubsub_items(pubsub_node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	667 elif time.time() - pubsub_node.sync_state_updated > PROGRESS_DEADLINE:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	668 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	669 f"{pubsub_node} is in progress for too long "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	670 f"({pubsub_node.sync_state_updated//60} minutes), "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	671 "cancelling it and retrying."
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	672 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	673 self.in_progress.pop[(service, node)].cancel()
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	674 pubsub_node.sync_state = None
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	675 await self.host.memory.storage.delete_pubsub_items(pubsub_node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	676 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	677 log.debug(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	678 f"{pubsub_node} synchronisation is already in progress, skipping"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	679 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	680 if pubsub_node.sync_state is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	681 key = (service, node)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	682 if key in self.in_progress:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	683 raise exceptions.InternalError(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	684 f"There is already a caching in progress for {pubsub_node}, this "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	685 "should not happen"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	686 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	687 self.cache_node(client, pubsub_node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	688 elif pubsub_node.sync_state == SyncState.ERROR:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	689 log.debug(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	690 f"{pubsub_node} synchronisation has previously failed, skipping"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	691 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	692
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	693 return True, None
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	694
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	695 async def _subscribe_trigger(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	696 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	697 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	698 service: jid.JID,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	699 nodeIdentifier: str,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	700 sub_jid: Optional[jid.JID],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	701 options: Optional[dict],
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	702 subscription: pubsub.Subscription
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	703 ) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	704 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	705
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	706 async def _unsubscribe_trigger(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	707 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	708 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	709 service: jid.JID,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	710 nodeIdentifier: str,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	711 sub_jid,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	712 subscriptionIdentifier,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	713 sender,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	714 ) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	715 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	716
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	717 def _synchronise(self, service, node, profile_key):
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	718 client = self.host.get_client(profile_key)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	719 service = client.jid.userhostJID() if not service else jid.JID(service)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	720 return defer.ensureDeferred(self.synchronise(client, service, node))
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	721
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	722 async def synchronise(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	723 self,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	724 client: SatXMPPEntity,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	725 service: jid.JID,
3760 74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	726 node: str,
74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	727 resync: bool = True
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	728 ) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	729 """Synchronise a node with a pubsub service
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	730
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	731 The node will be synchronised even if there is no matching analyser.
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	732
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	733 Note that when a node is synchronised, it is automatically subscribed.
3760 74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	734 @param resync: if True and the node is already synchronised, it will be
74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	735 resynchronised (all items will be deleted and re-downloaded).
74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	736
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	737 """
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	738 pubsub_node = await self.host.memory.storage.get_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	739 client, service, node
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	740 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	741 if pubsub_node is None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	742 log.info(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	743 _(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	744 "Synchronising the new node {node} at {service}"
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	745 ).format(node=node, service=service.full)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	746 )
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	747 analyse = await self.analyse_node(client, service, node)
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	748 pubsub_node = await self.host.memory.storage.set_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	749 client,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	750 service,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	751 node,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	752 analyser=analyse.get("name"),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	753 type_=analyse.get("type"),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	754 )
3831 604b6acaee22 plugin pubsub cache: resync in `synchronise` when node's `sync_state` is not set: Goffi <goffi@goffi.org> parents: 3760 diff changeset	755 elif not resync and pubsub_node.sync_state is not None:
3760 74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	756 # the node exists, nothing to do
74f436e856ff plugin pubsub cache: new `resync` argument to force resynchronisation in `synchronize` Goffi <goffi@goffi.org> parents: 3759 diff changeset	757 return
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	758
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	759 if ((pubsub_node.sync_state == SyncState.IN_PROGRESS
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	760 or (service, node) in self.in_progress)):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	761 log.warning(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	762 _(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	763 "{node} at {service} is already being synchronised, can't do a new "
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	764 "synchronisation."
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	765 ).format(node=node, service=service)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	766 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	767 else:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	768 log.info(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	769 _(
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	770 "(Re)Synchronising the node {node} at {service} on user request"
3934 e345d93fb6e5 plugin OXPS: OpenPGP for XMPP Pubsub implementation: Goffi <goffi@goffi.org> parents: 3863 diff changeset	771 ).format(node=node, service=service.full())
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	772 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	773 # we first delete and recreate the node (will also delete its items)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	774 await self.host.memory.storage.delete(pubsub_node)
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	775 analyse = await self.analyse_node(client, service, node)
524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	776 pubsub_node = await self.host.memory.storage.set_pubsub_node(
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	777 client,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	778 service,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	779 node,
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	780 analyser=analyse.get("name"),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	781 type_=analyse.get("type"),
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	782 )
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	783 # then we can put node in cache
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	784 await self.cache_node(client, pubsub_node)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	785
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	786 async def purge(self, purge_filters: dict) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	787 """Remove items according to filters
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	788
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	789 filters can have on of the following keys, all are optional:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	790
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	791 :services:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	792 list of JIDs of services from which items must be deleted
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	793 :nodes:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	794 list of node names to delete
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	795 :types:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	796 list of node types to delete
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	797 :subtypes:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	798 list of node subtypes to delete
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	799 :profiles:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	800 list of profiles from which items must be deleted
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	801 :created_before:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	802 datetime before which items must have been created to be deleted
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	803 :created_update:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	804 datetime before which items must have been updated last to be deleted
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	805 """
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	806 purge_filters["names"] = purge_filters.pop("nodes", None)
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	807 await self.host.memory.storage.purge_pubsub_items(**purge_filters)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	808
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	809 def _purge(self, purge_filters: str) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	810 purge_filters = data_format.deserialise(purge_filters)
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	811 for key in "created_before", "updated_before":
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	812 try:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	813 purge_filters[key] = datetime.fromtimestamp(purge_filters[key])
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	814 except (KeyError, TypeError):
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	815 pass
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	816 return defer.ensureDeferred(self.purge(purge_filters))
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	817
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	818 async def reset(self) -> None:
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	819 """Remove ALL nodes and items from cache
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	820
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	821 After calling this method, cache will be refilled progressively as if it where new
5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	822 """
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	823 await self.host.memory.storage.delete_pubsub_node(None, None, None)
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	824
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	825 def _reset(self) -> defer.Deferred:
3597 5d108ce026d7 plugin pubsub cache: Pubsub Caching implementation Goffi <goffi@goffi.org> parents: diff changeset	826 return defer.ensureDeferred(self.reset())
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	827
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	828 async def search(self, query: dict) -> List[PubsubItem]:
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	829 """Search pubsub items in cache"""
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	830 return await self.host.memory.storage.search_pubsub_items(query)
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	831
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	832 async def serialisable_search(self, query: dict) -> List[dict]:
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	833 """Search pubsub items in cache and returns parsed data
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	834
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	835 The returned data can be serialised.
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	836
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	837 "pubsub_service" and "pubsub_name" will be added to each data (both as strings)
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	838 """
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	839 items = await self.search(query)
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	840 ret = []
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	841 for item in items:
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	842 parsed = item.parsed
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	843 parsed["pubsub_service"] = item.node.service.full()
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	844 parsed["pubsub_node"] = item.node.name
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	845 if query.get("with_payload"):
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	846 parsed["item_payload"] = item.data.toXml()
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	847 parsed["node_profile"] = self.host.memory.storage.get_profile_by_id(
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	848 item.node.profile_id
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	849 )
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	850
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	851 ret.append(parsed)
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	852 return ret
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	853
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	854 def _search(self, query: str) -> defer.Deferred:
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	855 query = data_format.deserialise(query)
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	856 services = query.get("services")
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	857 if services:
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	858 query["services"] = [jid.JID(s) for s in services]
4037 524856bd7b19 massive refactoring to switch from camelCase to snake_case: Goffi <goffi@goffi.org> parents: 3941 diff changeset	859 d = defer.ensureDeferred(self.serialisable_search(query))
3666 342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	860 d.addCallback(data_format.serialise)
342e3ddefd23 plugin pubsub cache: implement `psCacheSearch` Goffi <goffi@goffi.org> parents: 3619 diff changeset	861 return d

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_pubsub_cache.py @ 4189:04cd749de818