<s> """<STR_LIT>""" <EOL> try : <EOL> from UserDict import UserDict <EOL> except ImportError : <EOL> from collections import UserDict <EOL> from greplin . scales import Stat <EOL> from greplin . scales . timer import RepeatTimer <EOL> from greplin . scales . util import EWMA <EOL> TICKERS = [ ] <EOL> TICKER_THREAD = RepeatTimer ( <NUM_LIT:5> , lambda : [ t ( ) for t in TICKERS ] ) <EOL> class MeterStatDict ( UserDict ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> UserDict . __init__ ( self ) <EOL> self . _m1 = EWMA . oneMinute ( ) <EOL> self . _m5 = EWMA . fiveMinute ( ) <EOL> self . _m15 = EWMA . fifteenMinute ( ) <EOL> self . _meters = ( self . _m1 , self . _m5 , self . _m15 ) <EOL> TICKERS . append ( self . tick ) <EOL> self [ '<STR_LIT>' ] = '<STR_LIT>' <EOL> self [ '<STR_LIT:count>' ] = <NUM_LIT:0> <EOL> def __getitem__ ( self , item ) : <EOL> if item in self : <EOL> return UserDict . __getitem__ ( self , item ) <EOL> else : <EOL> return <NUM_LIT:0.0> <EOL> def tick ( self ) : <EOL> """<STR_LIT>""" <EOL> for m in self . _meters : <EOL> m . tick ( ) <EOL> self [ '<STR_LIT>' ] = self . _m1 . rate <EOL> self [ '<STR_LIT>' ] = self . _m5 . rate <EOL> self [ '<STR_LIT>' ] = self . _m15 . rate <EOL> def mark ( self , value = <NUM_LIT:1> ) : <EOL> """<STR_LIT>""" <EOL> self [ '<STR_LIT:count>' ] += value <EOL> for m in self . _meters : <EOL> m . update ( value ) <EOL> class MeterStat ( Stat ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , name , _ = None ) : <EOL> Stat . __init__ ( self , name , None ) <EOL> def _getDefault ( self , _ ) : <EOL> """<STR_LIT>""" <EOL> return MeterStatDict ( ) <EOL> def __set__ ( self , instance , value ) : <EOL> self . __get__ ( instance , None ) . mark ( value ) <EOL> class MeterDict ( UserDict ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , parent , instance ) : <EOL> UserDict . __init__ ( self ) <EOL> self . parent = parent <EOL> self . instance = instance <EOL> def __getitem__ ( self , item ) : <EOL> if item in self : <EOL> return UserDict . __getitem__ ( self , item ) <EOL> else : <EOL> meter = MeterStatDict ( ) <EOL> self [ item ] = meter <EOL> return meter <EOL> class MeterDictStat ( Stat ) : <EOL> """<STR_LIT>""" <EOL> def _getDefault ( self , instance ) : <EOL> return MeterDict ( self , instance ) </s>
