mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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Add bulk push rule evaluator which actually still evaluates rules one by one, but does far fewer db queries to fetch the rules
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@ -15,9 +15,7 @@
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from twisted.internet import defer
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from synapse.types import UserID
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import push_rule_evaluator
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import bulk_push_rule_evaluator
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import logging
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@ -39,17 +37,13 @@ class ActionGenerator:
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def handle_event(self, event):
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users = yield self.store.get_users_in_room(event['room_id'])
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for uid in users:
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if not self.hs.is_mine(UserID.from_string(uid)):
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continue
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bulk_evaluator = yield bulk_push_rule_evaluator.evaluator_for_room_id(
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event['room_id'], self.hs, self.store
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)
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evaluator = yield push_rule_evaluator.\
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evaluator_for_user_name_and_profile_tag(
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uid, None, event['room_id'], self.store
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)
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actions = yield evaluator.actions_for_event(event)
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logger.info("actions for user %s: %s", uid, actions)
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if len(actions):
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self.store.set_actions_for_event(
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event, uid, None, actions
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)
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actions_by_user = bulk_evaluator.action_for_event_by_user(event)
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for uid,actions in actions_by_user.items():
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self.store.set_actions_for_event(
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event, uid, None, actions
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)
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99
synapse/push/bulk_push_rule_evaluator.py
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99
synapse/push/bulk_push_rule_evaluator.py
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@ -0,0 +1,99 @@
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# -*- coding: utf-8 -*-
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# Copyright 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import simplejson as json
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from twisted.internet import defer
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from synapse.types import UserID
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import baserules
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from push_rule_evaluator import PushRuleEvaluator
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logger = logging.getLogger(__name__)
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def decode_rule_json(rule):
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rule['conditions'] = json.loads(rule['conditions'])
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rule['actions'] = json.loads(rule['actions'])
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return rule
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@defer.inlineCallbacks
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def evaluator_for_room_id(room_id, hs, store):
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users = yield store.get_users_in_room(room_id)
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rules_by_user = yield store.bulk_get_push_rules(users)
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rules_by_user = {
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uid: baserules.list_with_base_rules(
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[decode_rule_json(rule_list) for rule_list in rules_by_user[uid]]
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if uid in rules_by_user else [],
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UserID.from_string(uid)
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)
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for uid in users
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}
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member_events = yield store.get_current_state(
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room_id=room_id,
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event_type='m.room.member',
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)
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display_names = {}
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for ev in member_events:
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if ev.content.get("displayname"):
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display_names[ev.state_key] = ev.content.get("displayname")
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defer.returnValue(BulkPushRuleEvaluator(
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room_id, rules_by_user, display_names, users
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))
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class BulkPushRuleEvaluator:
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def __init__(self, room_id, rules_by_user, display_names, users_in_room):
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self.room_id = room_id
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self.rules_by_user = rules_by_user
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self.display_names = display_names
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self.users_in_room = users_in_room
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def action_for_event_by_user(self, event):
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actions_by_user = {}
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for uid, rules in self.rules_by_user.items():
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display_name = None
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if uid in self.display_names:
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display_name = self.display_names[uid]
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for rule in rules:
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if 'enabled' in rule and not rule['enabled']:
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continue
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# XXX: profile tags
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if BulkPushRuleEvaluator.event_matches_rule(
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event, rule,
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display_name, len(self.users_in_room), None
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):
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actions = [x for x in rule['actions'] if x != 'dont_notify']
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if len(actions) > 0:
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actions_by_user[uid] = actions
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break
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return actions_by_user
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@staticmethod
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def event_matches_rule(event, rule,
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display_name, room_member_count, profile_tag):
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matches = True
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for cond in rule['conditions']:
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matches &= PushRuleEvaluator._event_fulfills_condition(
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event, cond, display_name, room_member_count, profile_tag
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)
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return matches
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@ -113,7 +113,8 @@ class PushRuleEvaluator:
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for c in conditions:
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matches &= self._event_fulfills_condition(
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ev, c, display_name=my_display_name,
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room_member_count=room_member_count
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room_member_count=room_member_count,
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profile_tag=self.profile_tag
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)
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logger.debug(
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"Rule %s %s",
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@ -156,16 +157,18 @@ class PushRuleEvaluator:
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re.sub(r'\\\-', '-', x.group(2)))), r)
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return r
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def _event_fulfills_condition(self, ev, condition, display_name, room_member_count):
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@staticmethod
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def _event_fulfills_condition(ev, condition,
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display_name, room_member_count, profile_tag):
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if condition['kind'] == 'event_match':
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if 'pattern' not in condition:
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logger.warn("event_match condition with no pattern")
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return False
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# XXX: optimisation: cache our pattern regexps
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if condition['key'] == 'content.body':
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r = r'\b%s\b' % self._glob_to_regexp(condition['pattern'])
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r = r'\b%s\b' % PushRuleEvaluator._glob_to_regexp(condition['pattern'])
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else:
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r = r'^%s$' % self._glob_to_regexp(condition['pattern'])
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r = r'^%s$' % PushRuleEvaluator._glob_to_regexp(condition['pattern'])
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val = _value_for_dotted_key(condition['key'], ev)
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if val is None:
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return False
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@ -174,7 +177,7 @@ class PushRuleEvaluator:
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elif condition['kind'] == 'device':
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if 'profile_tag' not in condition:
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return True
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return condition['profile_tag'] == self.profile_tag
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return condition['profile_tag'] == profile_tag
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elif condition['kind'] == 'contains_display_name':
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# This is special because display names can be different
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@ -55,6 +55,47 @@ class PushRuleStore(SQLBaseStore):
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r['rule_id']: False if r['enabled'] == 0 else True for r in results
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})
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@defer.inlineCallbacks
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def bulk_get_push_rules(self, user_ids):
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batch_size = 100
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def f(txn, user_ids_to_fetch):
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sql = (
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"SELECT " +
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",".join(map(lambda x: "pr."+x, PushRuleTable.fields)) +
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" FROM " + PushRuleTable.table_name + " pr " +
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" LEFT JOIN " + PushRuleEnableTable.table_name + " pre " +
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" ON pr.user_name = pre.user_name and pr.rule_id = pre.rule_id " +
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" WHERE pr.user_name " +
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" IN (" + ",".join(["?" for _ in user_ids_to_fetch]) + ")"
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" AND (pre.enabled is null or pre.enabled = 1)"
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" ORDER BY pr.user_name, pr.priority_class DESC, pr.priority DESC"
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)
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txn.execute(sql, user_ids_to_fetch)
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return txn.fetchall()
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results = {}
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batch_start = 0
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while batch_start < len(user_ids):
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batch_end = max(len(user_ids), batch_size)
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batch_user_ids = user_ids[batch_start:batch_end]
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batch_start = batch_end
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rows = yield self.runInteraction(
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"bulk_get_push_rules", f, batch_user_ids
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)
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for r in rows:
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rawdict = {
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PushRuleTable.fields[i]: r[i] for i in range(len(r))
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}
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if rawdict['user_name'] not in results:
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results[rawdict['user_name']] = []
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results[rawdict['user_name']].append(rawdict)
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defer.returnValue(results)
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@defer.inlineCallbacks
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def add_push_rule(self, before, after, **kwargs):
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vals = kwargs
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