<s> from __future__ import absolute_import <EOL> import logging <EOL> from collections import defaultdict , namedtuple <EOL> from django . utils import timezone <EOL> from sentry . models import GroupRuleStatus , Rule <EOL> from sentry . rules import EventState , rules <EOL> from sentry . utils . cache import cache <EOL> from sentry . utils . safe import safe_execute <EOL> RuleFuture = namedtuple ( '<STR_LIT>' , [ '<STR_LIT>' , '<STR_LIT>' ] ) <EOL> class RuleProcessor ( object ) : <EOL> logger = logging . getLogger ( '<STR_LIT>' ) <EOL> def __init__ ( self , event , is_new , is_regression , is_sample ) : <EOL> self . event = event <EOL> self . group = event . group <EOL> self . project = event . project <EOL> self . is_new = is_new <EOL> self . is_regression = is_regression <EOL> self . is_sample = is_sample <EOL> self . futures_by_cb = defaultdict ( list ) <EOL> def get_rules ( self ) : <EOL> cache_key = '<STR_LIT>' % ( self . project . id , ) <EOL> rules_list = cache . get ( cache_key ) <EOL> if rules_list is None : <EOL> rules_list = list ( Rule . objects . filter ( project = self . project ) ) <EOL> cache . set ( cache_key , rules_list , <NUM_LIT> ) <EOL> return rules_list <EOL> def get_rule_status ( self , rule ) : <EOL> rule_status , _ = GroupRuleStatus . objects . get_or_create ( <EOL> rule = rule , <EOL> group = self . group , <EOL> defaults = { <EOL> '<STR_LIT>' : self . project , <EOL> '<STR_LIT:status>' : GroupRuleStatus . INACTIVE , <EOL> } , <EOL> ) <EOL> return rule_status <EOL> def condition_matches ( self , condition , state , rule ) : <EOL> condition_cls = rules . get ( condition [ '<STR_LIT:id>' ] ) <EOL> if condition_cls is None : <EOL> self . logger . warn ( '<STR_LIT>' , condition [ '<STR_LIT:id>' ] ) <EOL> return <EOL> condition_inst = condition_cls ( self . project , data = condition , rule = rule ) <EOL> return safe_execute ( condition_inst . passes , self . event , state ) <EOL> def get_state ( self , rule_status ) : <EOL> return EventState ( <EOL> is_new = self . is_new , <EOL> is_regression = self . is_regression , <EOL> is_sample = self . is_sample , <EOL> rule_is_active = rule_status . status == GroupRuleStatus . ACTIVE , <EOL> rule_last_active = rule_status . last_active , <EOL> ) <EOL> def apply_rule ( self , rule ) : <EOL> match = rule . data . get ( '<STR_LIT>' , '<STR_LIT:all>' ) <EOL> condition_list = rule . data . get ( '<STR_LIT>' , ( ) ) <EOL> if not condition_list : <EOL> return <EOL> rule_status = self . get_rule_status ( rule ) <EOL> state = self . get_state ( rule_status ) <EOL> condition_iter = ( <EOL> self . condition_matches ( c , state , rule ) <EOL> for c in condition_list <EOL> ) <EOL> if match == '<STR_LIT:all>' : <EOL> passed = all ( condition_iter ) <EOL> elif match == '<STR_LIT>' : <EOL> passed = any ( condition_iter ) <EOL> elif match == '<STR_LIT:none>' : <EOL> passed = not any ( condition_iter ) <EOL> else : <EOL> self . logger . error ( '<STR_LIT>' , <EOL> match , rule . id ) <EOL> return <EOL> now = timezone . now ( ) <EOL> if passed and rule_status . status == GroupRuleStatus . INACTIVE : <EOL> GroupRuleStatus . objects . filter ( <EOL> id = rule_status . id , <EOL> status = GroupRuleStatus . INACTIVE , <EOL> ) . update ( <EOL> status = GroupRuleStatus . ACTIVE , <EOL> last_active = now , <EOL> ) <EOL> rule_status . last_active = now <EOL> rule_status . status = GroupRuleStatus . ACTIVE <EOL> elif not passed and rule_status . status == GroupRuleStatus . ACTIVE : <EOL> GroupRuleStatus . objects . filter ( <EOL> id = rule_status . id , <EOL> status = GroupRuleStatus . ACTIVE , <EOL> ) . update ( status = GroupRuleStatus . INACTIVE ) <EOL> rule_status . status = GroupRuleStatus . INACTIVE <EOL> elif passed : <EOL> GroupRuleStatus . objects . filter ( <EOL> id = rule_status . id , <EOL> status = GroupRuleStatus . ACTIVE , <EOL> ) . update ( last_active = now ) <EOL> rule_status . last_active = now <EOL> if not passed : <EOL> return <EOL> for action in rule . data . get ( '<STR_LIT>' , ( ) ) : <EOL> action_cls = rules . get ( action [ '<STR_LIT:id>' ] ) <EOL> if action_cls is None : <EOL> self . logger . warn ( '<STR_LIT>' , action [ '<STR_LIT:id>' ] ) <EOL> continue <EOL> action_inst = action_cls ( self . project , data = action , rule = rule ) <EOL> results = safe_execute ( action_inst . after , event = self . event , state = state ) <EOL> if results is None : <EOL> self . logger . warn ( '<STR_LIT>' , action [ '<STR_LIT:id>' ] ) <EOL> continue <EOL> for future in results : <EOL> self . futures_by_cb [ future . callback ] . append ( <EOL> RuleFuture ( rule = rule , kwargs = future . kwargs ) <EOL> ) <EOL> def apply ( self ) : <EOL> self . futures_by_cb = defaultdict ( list ) <EOL> for rule in self . get_rules ( ) : <EOL> self . apply_rule ( rule ) <EOL> return self . futures_by_cb . items ( ) </s>
