<s> import os <EOL> import multiprocessing <EOL> try : <EOL> from ConfigParser import SafeConfigParser <EOL> except ImportError : <EOL> from configparser import ConfigParser as SafeConfigParser <EOL> class Config ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , scraper , config ) : <EOL> self . scraper = scraper <EOL> self . config = self . _get_defaults ( ) <EOL> self . config = self . _get_file ( self . config ) <EOL> self . config = self . _get_env ( self . config ) <EOL> if config is not None : <EOL> self . config . update ( config ) <EOL> def _get_defaults ( self ) : <EOL> name = self . scraper . name <EOL> return { <EOL> '<STR_LIT>' : '<STR_LIT:http>' , <EOL> '<STR_LIT>' : multiprocessing . cpu_count ( ) * <NUM_LIT:2> , <EOL> '<STR_LIT>' : os . path . join ( os . getcwd ( ) , '<STR_LIT:data>' , name ) , <EOL> '<STR_LIT>' : None <EOL> } <EOL> def _get_env ( self , config ) : <EOL> """<STR_LIT>""" <EOL> for option , value in config . items ( ) : <EOL> env_name = '<STR_LIT>' % option . upper ( ) <EOL> value = os . environ . get ( env_name , value ) <EOL> config [ option ] = value <EOL> return config <EOL> def _get_file ( self , config ) : <EOL> """<STR_LIT>""" <EOL> config_file = SafeConfigParser ( ) <EOL> config_file . read ( [ os . path . expanduser ( '<STR_LIT>' ) ] ) <EOL> if config_file . has_section ( '<STR_LIT>' ) : <EOL> config . update ( dict ( config_file . items ( '<STR_LIT>' ) ) ) <EOL> if config_file . has_section ( self . scraper . name ) : <EOL> config . update ( dict ( config_file . items ( self . scraper . name ) ) ) <EOL> return config <EOL> def items ( self ) : <EOL> return self . config . items ( ) <EOL> def __getattr__ ( self , name ) : <EOL> if name != '<STR_LIT>' and name in self . config : <EOL> return self . config . get ( name ) <EOL> try : <EOL> return object . __getattribute__ ( self , name ) <EOL> except AttributeError : <EOL> return None </s>
