/usr/lib/python2.7/dist-packages/pyevolve/Consts.py is in python-pyevolve 0.6~rc1+svn398+dfsg-9.
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:mod:`Consts` -- constants module
============================================================================
Pyevolve have defaults in all genetic operators, settings and etc, this is an issue to helps the user in the API use and minimize the source code needed to make simple things. In the module :mod:`Consts`, you will find those defaults settings. You are encouraged to see the constants, but not to change directly on the module, there are methods for this.
General constants
----------------------------------------------------------------------------
.. attribute:: CDefPythonRequire
The mininum version required to run Pyevolve.
.. attribute:: CDefLogFile
The default log filename.
.. attribute:: CDefLogLevel
Default log level.
.. attribute:: sortType
Sort type, raw or scaled.
Example:
>>> sort_type = Consts.sortType["raw"]
>>> sort_type = Consts.sortType["scaled"]
.. attribute:: minimaxType
The Min/Max type, maximize or minimize the evaluation function.
Example:
>>> minmax = Consts.minimaxType["minimize"]
>>> minmax = Consts.minimaxType["maximize]
.. attribute:: CDefESCKey
The ESC key ASCII code. Used to start Interactive Mode.
.. attribute:: CDefRangeMin
Minimum range. This constant is used as integer and real max/min.
.. attribute:: CDefRangeMax
Maximum range. This constant is used as integer and real max/min.
.. attribute:: CDefBroadcastAddress
The broadcast address for UDP, 255.255.255.255
.. attribute:: CDefImportList
The import list and messages
.. attribute:: nodeType
The genetic programming node types, can be "TERMINAL":0 or "NONTERMINAL":1
.. attribute:: CDefGPGenomes
The classes which are used in Genetic Programming, used to detected the
correct mode when starting the evolution
Selection methods constants (:mod:`Selectors`)
----------------------------------------------------------------------------
.. attribute:: CDefTournamentPoolSize
The default pool size for the Tournament Selector (:func:`Selectors.GTournamentSelector`).
Scaling scheme constants (:mod:`Scaling`)
----------------------------------------------------------------------------
.. attribute:: CDefScaleLinearMultiplier
The multiplier of the Linear (:func:`Scaling.LinearScaling`) scaling scheme.
.. attribute:: CDefScaleSigmaTruncMultiplier
The default Sigma Truncation (:func:`Scaling.SigmaTruncScaling`) scaling scheme.
.. attribute:: CDefScalePowerLawFactor
The default Power Law (:func:`Scaling.PowerLawScaling`) scaling scheme factor.
.. attribute:: CDefScaleBoltzMinTemp
The default mininum temperature of the (:func:`Scaling.BoltzmannScaling`) scaling scheme factor.
.. attribute:: CDefScaleBoltzFactor
The default Boltzmann Factor of (:func:`Scaling.BoltzmannScaling`) scaling scheme factor.
This is the factor that the temperature will be subtracted.
.. attribute:: CDefScaleBoltzStart
The default Boltzmann start temperature (:func:`Scaling.BoltzmannScaling`).
If you don't set the start temperature parameter, this will be the default initial
temperature for the Boltzmann scaling scheme.
Population constants (:class:`GPopulation.GPopulation`)
----------------------------------------------------------------------------
.. attribute:: CDefPopSortType
Default sort type parameter.
.. attribute:: CDefPopMinimax
Default min/max parameter.
.. attribute:: CDefPopScale
Default scaling scheme.
1D Binary String Defaults (:class:`G1DBinaryString.G1DBinaryString`)
----------------------------------------------------------------------------
.. attribute:: CDefG1DBinaryStringMutator
The default mutator for the 1D Binary String (:class:`G1DBinaryString.G1DBinaryString`) chromosome.
.. attribute:: CDefG1DBinaryStringCrossover
The default crossover method for the 1D Binary String (:class:`G1DBinaryString.G1DBinaryString`) chromosome.
.. attribute:: CDefG1DBinaryStringInit
The default initializator for the 1D Binary String (:class:`G1DBinaryString.G1DBinaryString`) chromosome.
.. attribute:: CDefG1DBinaryStringUniformProb
The default uniform probability used for some uniform genetic operators for the 1D Binary String (:class:`G1DBinaryString.G1DBinaryString`) chromosome.
2D Binary String Defaults (:class:`G2DBinaryString.G2DBinaryString`)
----------------------------------------------------------------------------
.. attribute:: CDefG2DBinaryStringMutator
The default mutator for the 2D Binary String (:class:`G2DBinaryString.G2DBinaryString`) chromosome.
.. attribute:: CDefG2DBinaryStringCrossover
The default crossover method for the 2D Binary String (:class:`G2DBinaryString.G2DBinaryString`) chromosome.
.. attribute:: CDefG2DBinaryStringInit
The default initializator for the 2D Binary String (:class:`G2DBinaryString.G2DBinaryString`) chromosome.
.. attribute:: CDefG2DBinaryStringUniformProb
The default uniform probability used for some uniform genetic operators for the 2D Binary String (:class:`G2DBinaryString.G2DBinaryString`) chromosome.
1D List chromosome constants (:class:`G1DList.G1DList`)
----------------------------------------------------------------------------
.. attribute:: CDefG1DListMutIntMU
Default *mu* value of the 1D List Gaussian Integer Mutator (:func:`Mutators.G1DListMutatorIntegerGaussian`), the *mu* represents the mean of the distribution.
.. attribute:: CDefG1DListMutIntSIGMA
Default *sigma* value of the 1D List Gaussian Integer Mutator (:func:`Mutators.G1DListMutatorIntegerGaussian`), the *sigma* represents the standard deviation of the distribution.
.. attribute:: CDefG1DListMutRealMU
Default *mu* value of the 1D List Gaussian Real Mutator (:func:`Mutators.G1DListMutatorRealGaussian`), the *mu* represents the mean of the distribution.
.. attribute:: CDefG1DListMutRealSIGMA
Default *sigma* value of the 1D List Gaussian Real Mutator (:func:`Mutators.G1DListMutatorRealGaussian`), the *sigma* represents the mean of the distribution.
Tree chromosome constants (:class:`GTree.GTree`)
----------------------------------------------------------------------------
.. attribute:: CDefGTreeInit
Default initializator of the tree chromosome.
.. attribute:: CDefGGTreeMutator
Default mutator of the tree chromosome.
.. attribute:: CDefGTreeCrossover
Default crossover of the tree chromosome.
2D List chromosome constants (:class:`G2DList.G2DList`)
----------------------------------------------------------------------------
.. attribute:: CDefG2DListMutRealMU
Default *mu* value of the 2D List Gaussian Real Mutator (:func:`Mutators.G2DListMutatorRealGaussian`), the *mu* represents the mean of the distribution.
.. attribute:: CDefG2DListMutRealSIGMA
Default *sigma* value of the 2D List Gaussian Real Mutator (:func:`Mutators.G2DListMutatorRealGaussian`), the *sigma* represents the mean of the distribution.
.. attribute:: CDefG2DListMutIntMU
Default *mu* value of the 2D List Gaussian Integer Mutator (:func:`Mutators.G2DListMutatorIntegerGaussian`), the *mu* represents the mean of the distribution.
.. attribute:: CDefG2DListMutIntSIGMA
Default *sigma* value of the 2D List Gaussian Integer Mutator (:func:`Mutators.G2DListMutatorIntegerGaussian`), the *sigma* represents the mean of the distribution.
.. attribute:: CDefG2DListMutator
Default mutator for the 2D List chromosome.
.. attribute:: CDefG2DListCrossover
Default crossover method for the 2D List chromosome.
.. attribute:: CDefG2DListInit
Default initializator for the 2D List chromosome.
.. attribute:: CDefG2DListCrossUniformProb
Default uniform probability for the 2D List Uniform Crossover method (:func:`Crossovers.G2DListCrossoverUniform`).
GA Engine constants (:class:`GSimpleGA.GSimpleGA`)
----------------------------------------------------------------------------
.. attribute:: CDefGAGenerations
Default number of generations.
.. attribute:: CDefGAMutationRate
Default mutation rate.
.. attribute:: CDefGACrossoverRate
Default crossover rate.
.. attribute:: CDefGAPopulationSize
Default population size.
.. attribute:: CDefGASelector
Default selector method.
DB Adapters constants (:mod:`DBAdapters`)
----------------------------------------------------------------------------
Constants for the DB Adapters
SQLite3 DB Adapter Constants (:class:`DBAdapters.DBSQLite`)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. attribute:: CDefSQLiteDBName
Default database filename.
.. attribute:: CDefSQLiteDBTable
Default statistical table name.
.. attribute:: CDefSQLiteDBTablePop
Default population statistical table name.
.. attribute:: CDefSQLiteStatsGenFreq
Default generational frequency for dump statistics.
.. attribute:: CDefSQLiteStatsCommitFreq
Default commit frequency.
MySQL DB Adapter Constants (:class:`DBAdapters.DBMySQLAdapter`)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. attribute:: CDefMySQLDBName
Default database name.
.. attribute:: CDefMySQLDBTable
Default statistical table name.
.. attribute:: CDefMySQLDBTablePop
Default population statistical table name.
.. attribute:: CDefMySQLStatsGenFreq
Default generational frequency for dump statistics.
.. attribute:: CDefMySQLStatsCommitFreq
Default commit frequency.
.. attribute:: CDefMySQLDBHost
Default MySQL connection host.
.. attribute:: CDefMySQLDBPort
Default MySQL connection TCP port.
URL Post DB Adapter Constants (:class:`DBAdapters.DBURLPost`)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. attribute:: CDefURLPostStatsGenFreq
Default generational frequency for dump statistics.
CSV File DB Adapter Constants (:class:`DBAdapters.DBFileCSV`)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. attribute:: CDefCSVFileName
The default CSV filename to dump statistics.
.. attribute:: CDefCSVFileStatsGenFreq
Default generational frequency for dump statistics.
XMP RPC DB Adapter Constants (:class:`DBAdapters.DBXMLRPC`)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. attribute:: CDefXMLRPCStatsGenFreq
Default generational frequency for dump statistics.
Migration Constants (:mod:`Migration`)
----------------------------------------------------------------------------
.. attribute:: CDefGenMigrationRate
The default generations supposed to migrate and receive individuals
.. attribute:: CDefMigrationNIndividuals
The default number of individuals that will migrate at the *CDefGenMigrationRate*
interval
.. attribute:: CDefNetworkIndividual
A migration code for network individual data
.. attribute:: CDefNetworkInfo
A migration code for network info data
.. attribute:: CDefGenMigrationReplacement
The default number of individuals to be replaced at the migration stage
"""
import Scaling
import Selectors
import Initializators
import Mutators
import Crossovers
import logging
from GTree import GTreeGP
# Required python version 2.5+
CDefPythonRequire = (2, 5)
# Logging system
CDefLogFile = "pyevolve.log"
CDefLogLevel = logging.DEBUG
# Types of sort
# - raw: uses the "score" attribute
# - scaled: uses the "fitness" attribute
sortType = {
"raw" : 0,
"scaled" : 1
}
# Optimization type
# - Minimize or Maximize the Evaluator Function
minimaxType = { "minimize" : 0,
"maximize" : 1
}
CDefESCKey = 27
CDefImportList = {"visual.graph": "you must install VPython !",
"csv" : "csv module not found !",
"urllib" : "urllib module not found !",
"sqlite3": "sqlite3 module not found, are you using Jython or IronPython ?",
"xmlrpclib" : "xmlrpclib module not found !",
"MySQLdb" : "MySQLdb module not found, you must install mysql-python !",
"pydot" : "Pydot module not found, you must install Pydot to plot graphs !"}
####################
# Defaults section #
####################
# - Tournament selector
CDefTournamentPoolSize = 2
# - Scale methods defaults
CDefScaleLinearMultiplier = 1.2
CDefScaleSigmaTruncMultiplier = 2.0
CDefScalePowerLawFactor = 1.0005
CDefScaleBoltzMinTemp = 1.0
CDefScaleBoltzFactor = 0.05
# 40 temp. = 500 generations
CDefScaleBoltzStart = 40.0
# - Population Defaults
CDefPopSortType = sortType["scaled"]
CDefPopMinimax = minimaxType["maximize"]
CDefPopScale = Scaling.LinearScaling
# - GA Engine defaults
CDefGAGenerations = 100
CDefGAMutationRate = 0.02
CDefGACrossoverRate = 0.9
CDefGAPopulationSize = 80
CDefGASelector = Selectors.GRankSelector
CDefGAElitismReplacement = 1
# - This is general used by integer/real ranges defaults
CDefRangeMin = 0
CDefRangeMax = 100
# - G1DBinaryString defaults
CDefG1DBinaryStringMutator = Mutators.G1DBinaryStringMutatorFlip
CDefG1DBinaryStringCrossover = Crossovers.G1DBinaryStringXSinglePoint
CDefG1DBinaryStringInit = Initializators.G1DBinaryStringInitializator
CDefG1DBinaryStringUniformProb = 0.5
# - G2DBinaryString defaults
CDefG2DBinaryStringMutator = Mutators.G2DBinaryStringMutatorFlip
CDefG2DBinaryStringCrossover = Crossovers.G2DBinaryStringXUniform
CDefG2DBinaryStringInit = Initializators.G2DBinaryStringInitializator
CDefG2DBinaryStringUniformProb = 0.5
# - GTree defaults
CDefGTreeInit = Initializators.GTreeInitializatorInteger
CDefGGTreeMutator = Mutators.GTreeMutatorIntegerRange
CDefGTreeCrossover = Crossovers.GTreeCrossoverSinglePointStrict
# - GTreeGP defaults
CDefGTreeGPInit = Initializators.GTreeGPInitializator
CDefGGTreeGPMutator = Mutators.GTreeGPMutatorSubtree
CDefGTreeGPCrossover = Crossovers.GTreeGPCrossoverSinglePoint
# - G1DList defaults
CDefG1DListMutIntMU = 2
CDefG1DListMutIntSIGMA = 10
CDefG1DListMutRealMU = 0
CDefG1DListMutRealSIGMA = 1
CDefG1DListMutator = Mutators.G1DListMutatorSwap
CDefG1DListCrossover = Crossovers.G1DListCrossoverSinglePoint
CDefG1DListInit = Initializators.G1DListInitializatorInteger
CDefG1DListCrossUniformProb = 0.5
# SBX Crossover defaults
# Crossover distribution index for SBX
CDefG1DListSBXEtac = 10
CDefG1DListSBXEPS = 1.0e-14
# - G2DList defaults
CDefG2DListMutIntMU = 2
CDefG2DListMutIntSIGMA = 10
CDefG2DListMutRealMU = 0
CDefG2DListMutRealSIGMA = 1
CDefG2DListMutator = Mutators.G2DListMutatorSwap
CDefG2DListCrossover = Crossovers.G2DListCrossoverUniform
CDefG2DListInit = Initializators.G2DListInitializatorInteger
CDefG2DListCrossUniformProb = 0.5
# - DB Adapters SQLite defaults
CDefSQLiteDBName = "pyevolve.db"
CDefSQLiteDBTable = "statistics"
CDefSQLiteDBTablePop = "population"
CDefSQLiteStatsGenFreq = 1
CDefSQLiteStatsCommitFreq = 300
# - DB Adapters MySQL defaults
CDefMySQLDBName = "pyevolve"
CDefMySQLDBTable = "statistics"
CDefMySQLDBTablePop = "population"
CDefMySQLDBHost = "localhost"
CDefMySQLDBPort = 3306
CDefMySQLStatsGenFreq = 1
CDefMySQLStatsCommitFreq = 300
# - DB Adapters URL Post defaults
CDefURLPostStatsGenFreq = 100
# - DB Adapters CSV File defaults
CDefCSVFileName = "pyevolve.csv"
CDefCSVFileStatsGenFreq = 1
# - DB Adapter XML RPC
CDefXMLRPCStatsGenFreq = 20
# Util Consts
CDefBroadcastAddress = "255.255.255.255"
nodeType = {"TERMINAL" : 0, "NONTERMINAL": 1}
CDefGPGenomes = [GTreeGP]
# Migration Consts
CDefGenMigrationRate = 20
CDefMigrationNIndividuals = 3
CDefGenMigrationReplacement = 3
CDefNetworkIndividual = 1
CDefNetworkInfo = 2
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