libervia-backend: sat/tools/sat

annotate sat/tools/sat_defer.py @ 2699:310e41bd6666

core (memory/sqlite): added stanza_id: /!\ database schema change /!\ stanza_id is a new field in history added to prepare the implementation of MAM for messages. A new "last_stanza_id" can be used in filters to retrieve last message with a know stanza id (useful for history synchronisation).

author	Goffi <goffi@goffi.org>
date	Sat, 01 Dec 2018 10:08:17 +0100
parents	56f94936df1e
children	378188abe941

rev	line source
1934 2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang Goffi <goffi@goffi.org> parents: 1766 diff changeset	1 #!/usr/bin/env python2
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	3
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	4 # SàT: a XMPP client
2483 0046283a285d dates update Goffi <goffi@goffi.org> parents: 2414 diff changeset	5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	6
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	11
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	16
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	19
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	20 """tools related to deferred"""
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	21
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	22 from sat.core.log import getLogger
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	23
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	24 log = getLogger(__name__)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	25 from sat.core import exceptions
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	26 from twisted.internet import defer
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	27 from twisted.internet import error as internet_error
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	28 from twisted.internet import reactor
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	29 from twisted.python import failure
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	30 from sat.core.constants import Const as C
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	31 from sat.memory import memory
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	32
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	33 KEY_DEFERREDS = "deferreds"
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	34 KEY_NEXT = "next_defer"
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	35
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	36
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	37 class DelayedDeferred(object):
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	38 """A Deferred-like which is launched after a delay"""
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	39
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	40 def __init__(self, delay, result):
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	41 """
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	42 @param delay(float): delay before launching the callback, in seconds
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	43 @param result: result used with the callback
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	44 """
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	45 self._deferred = defer.Deferred()
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	46 self._timer = reactor.callLater(delay, self._deferred.callback, result)
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	47
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	48 def cancel(self):
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	49 try:
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	50 self._timer.cancel()
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	51 except internet_error.AlreadyCalled:
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	52 pass
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	53 self._deferred.cancel()
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	54
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	55 def addCallbacks(self, args, *kwargs):
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	56 self._deferred.addCallbacks(args, *kwargs)
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	57
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	58 def addCallback(self, args, *kwargs):
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	59 self._deferred.addCallback(args, *kwargs)
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	60
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	61 def addErrback(self, args, *kwargs):
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	62 self._deferred.addErrback(args, *kwargs)
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	63
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	64 def addBoth(self, args, *kwargs):
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	65 self._deferred.addBoth(args, *kwargs)
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	66
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	67 def chainDeferred(self, args, *kwargs):
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	68 self._deferred.chainDeferred(args, *kwargs)
1549 e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	69
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	70 def pause(self):
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	71 self._deferred.pause()
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	72
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	73 def unpause(self):
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	74 self._deferred.unpause()
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	75
e987325c14ef core (tools): “DelayedDeferred” implementation, which is a Deferred launched after a delay Goffi <goffi@goffi.org> parents: 1448 diff changeset	76
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	77 class RTDeferredSessions(memory.Sessions):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	78 """Real Time Deferred Sessions"""
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	79
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	80 def __init__(self, timeout=120):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	81 """Manage list of Deferreds in real-time, allowing to get intermediate results
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	82
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	83 @param timeout (int): nb of seconds before deferreds cancellation
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	84 """
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	85 super(RTDeferredSessions, self).__init__(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	86 timeout=timeout, resettable_timeout=False
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	87 )
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	88
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	89 def newSession(self, deferreds, profile):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	90 """Launch a new session with a list of deferreds
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	91
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	92 @param deferreds(list[defer.Deferred]): list of deferred to call
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	93 @param profile: %(doc_profile)s
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	94 @param return (tupe[str, defer.Deferred]): tuple with session id and a deferred wich fire WITHOUT RESULT when all results are received
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	95 """
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	96 data = {KEY_NEXT: defer.Deferred()}
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	97 session_id, session_data = super(RTDeferredSessions, self).newSession(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	98 data, profile=profile
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	99 )
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	100 if isinstance(deferreds, dict):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	101 session_data[KEY_DEFERREDS] = deferreds.values()
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	102 iterator = deferreds.iteritems()
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	103 else:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	104 session_data[KEY_DEFERREDS] = deferreds
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	105 iterator = enumerate(deferreds)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	106
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	107 for idx, d in iterator:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	108 d._RTDeferred_index = idx
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	109 d._RTDeferred_return = None
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	110 d.addCallback(self._callback, d, session_id, profile)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	111 d.addErrback(self._errback, d, session_id, profile)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	112 return session_id
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	113
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	114 def _purgeSession(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	115 self, session_id, reason=u"timeout", no_warning=False, got_result=False
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	116 ):
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	117 """Purge the session
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	118
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	119 @param session_id(str): id of the session to purge
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	120 @param reason (unicode): human readable reason why the session is purged
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	121 @param no_warning(bool): if True, no warning will be put in logs
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	122 @param got_result(bool): True if the session is purged after normal ending (i.e.: all the results have been gotten).
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	123 reason and no_warning are ignored if got_result is True.
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	124 @raise KeyError: session doesn't exists (anymore ?)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	125 """
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	126 if not got_result:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	127 try:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	128 timer, session_data, profile = self._sessions[session_id]
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	129 except ValueError:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	130 raise exceptions.InternalError(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	131 u"was expecting timer, session_data and profile; is profile set ?"
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	132 )
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	133
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	134 # next_defer must be called before deferreds,
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	135 # else its callback will be called by _gotResult
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	136 next_defer = session_data[KEY_NEXT]
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	137 if not next_defer.called:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	138 next_defer.errback(failure.Failure(defer.CancelledError(reason)))
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	139
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	140 deferreds = session_data[KEY_DEFERREDS]
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	141 for d in deferreds:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	142 d.cancel()
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	143
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	144 if not no_warning:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	145 log.warning(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	146 u"RTDeferredList cancelled: {} (profile {})".format(reason, profile)
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	147 )
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	148
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	149 super(RTDeferredSessions, self)._purgeSession(session_id)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	150
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	151 def _gotResult(self, session_id, profile):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	152 """Method called after each callback or errback
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	153
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	154 manage the next_defer deferred
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	155 """
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	156 session_data = self.profileGet(session_id, profile)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	157 defer_next = session_data[KEY_NEXT]
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	158 if not defer_next.called:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	159 defer_next.callback(None)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	160
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	161 def _callback(self, result, deferred, session_id, profile):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	162 deferred._RTDeferred_return = (True, result)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	163 self._gotResult(session_id, profile)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	164
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	165 def _errback(self, failure, deferred, session_id, profile):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	166 deferred._RTDeferred_return = (False, failure)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	167 self._gotResult(session_id, profile)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	168
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	169 def cancel(self, session_id, reason=u"timeout", no_log=False):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	170 """Stop this RTDeferredList
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	171
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	172 Cancel all remaining deferred, and call self.final_defer.errback
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	173 @param reason (unicode): reason of the cancellation
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	174 @param no_log(bool): if True, don't log the cancellation
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	175 """
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	176 self._purgeSession(session_id, reason=reason, no_warning=no_log)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	177
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	178 def getResults(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	179 self, session_id, on_success=None, on_error=None, profile=C.PROF_KEY_NONE
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	180 ):
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	181 """Get current results of a real-time deferred session
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	182
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	183 result already gotten are deleted
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	184 @param session_id(str): session id
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	185 @param on_success: can be:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	186 - None: add success normaly to results
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	187 - callable: replace result by the return value of on_success(result) (may be deferred)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	188 @param on_error: can be:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	189 - None: add error normaly to results
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	190 - C.IGNORE: don't put errors in results
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	191 - callable: replace failure by the return value of on_error(failure) (may be deferred)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	192 @param profile=%(doc_profile)s
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	193 @param result(tuple): tuple(remaining, results) where:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	194 - remaining[int] is the number of remaining deferred
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	195 (deferreds from which we don't have result yet)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	196 - results is a dict where:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	197 - key is the index of the deferred if deferred is a list, or its key if it's a dict
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	198 - value = (success, result) where:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	199 - success is True if the deferred was successful
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	200 - result is the result in case of success, else the failure
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	201 If remaining == 0, the session is ended
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	202 @raise KeyError: the session is already finished or doesn't exists at all
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	203 """
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	204 if profile == C.PROF_KEY_NONE:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	205 raise exceptions.ProfileNotSetError
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	206 session_data = self.profileGet(session_id, profile)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	207
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	208 @defer.inlineCallbacks
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	209 def next_cb(dummy):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	210 # we got one or several results
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	211 results = {}
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	212 filtered_data = [] # used to keep deferreds without results
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	213 deferreds = session_data[KEY_DEFERREDS]
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	214
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	215 for d in deferreds:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	216 if (
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	217 d._RTDeferred_return
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	218 ): # we don't use d.called as called is True before the full callbacks chain has been called
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	219 # we have a result
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	220 idx = d._RTDeferred_index
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	221 success, result = d._RTDeferred_return
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	222 if success:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	223 if on_success is not None:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	224 if callable(on_success):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	225 result = yield on_success(result)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	226 else:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	227 raise exceptions.InternalError(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	228 "Unknown value of on_success: {}".format(on_success)
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	229 )
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	230
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	231 else:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	232 if on_error is not None:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	233 if on_error == C.IGNORE:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	234 continue
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	235 elif callable(on_error):
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	236 result = yield on_error(result)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	237 else:
2624 56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	238 raise exceptions.InternalError(
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	239 "Unknown value of on_error: {}".format(on_error)
56f94936df1e code style reformatting using black Goffi <goffi@goffi.org> parents: 2562 diff changeset	240 )
1448 227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	241 results[idx] = (success, result)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	242 else:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	243 filtered_data.append(d)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	244
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	245 # we change the deferred with the filtered list
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	246 # in other terms, we don't want anymore deferred from which we have got the result
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	247 session_data[KEY_DEFERREDS] = filtered_data
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	248
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	249 if filtered_data:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	250 # we create a new next_defer only if we are still waiting for results
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	251 session_data[KEY_NEXT] = defer.Deferred()
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	252 else:
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	253 # no more data to get, the result have been gotten,
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	254 # we can cleanly finish the session
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	255 self._purgeSession(session_id, got_result=True)
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	256
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	257 defer.returnValue((len(filtered_data), results))
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	258
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	259 # we wait for a result
227856b13d7a core: new tools.sat_defer module, and implementation of RTDeferredSessions: Goffi <goffi@goffi.org> parents: diff changeset	260 return session_data[KEY_NEXT].addCallback(next_cb)

Mercurial > libervia-backend

annotate sat/tools/sat_defer.py @ 2699:310e41bd6666