<s> """<STR_LIT>""" <EOL> from nodeset . core . stats import types , format <EOL> class MetricStore : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> self . __metrics = { } <EOL> def add ( self , metric ) : <EOL> self . __metrics [ metric . name ] = metric <EOL> def get ( self , name ) : <EOL> return self . __metrics [ name ] <EOL> try : <EOL> Store <EOL> except NameError , e : <EOL> Store = MetricStore ( ) <EOL> class Metric : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , name , mtype ) : <EOL> self . name = name <EOL> self . mtype = mtype <EOL> self . data = self . mtype ( ) <EOL> Store . add ( self ) <EOL> def update ( self , value = <NUM_LIT:0> ) : <EOL> """<STR_LIT>""" <EOL> if isinstance ( self . data , types . Gauge ) : <EOL> self . data = self . mtype ( value ) <EOL> else : <EOL> self . data += <NUM_LIT:1> <EOL> def get ( self ) : <EOL> if isinstance ( self . data , types . Absolute ) : <EOL> v = self . data <EOL> self . data = self . mtype ( ) <EOL> return v <EOL> else : <EOL> return self . data <EOL> class MetricCollection : <EOL> def __init__ ( self , formatter = None ) : <EOL> self . __metrics = set ( ) <EOL> if not formatter : <EOL> self . fmt = format . Base ( ) <EOL> else : <EOL> self . fmt = formatter <EOL> def _get_fmt ( self ) : <EOL> return self . fmt <EOL> def _set_fmt ( self , fmt ) : <EOL> self . fmt = fmt <EOL> formatter = property ( _get_fmt , _set_fmt ) <EOL> def add ( self , metric ) : <EOL> self . __metrics . add ( metric ) <EOL> def remove ( self , metric ) : <EOL> self . __metrics . remove ( metric ) <EOL> def get ( self ) : <EOL> return self . formatter . get ( self . __metrics ) </s>
