def generate(self):
oLearners = list(self.learners)
oTeams = list(self.teams)
# multiActs for action pool for multiaction mutation
if self.multiAction:
multiActs = []
for learner in oLearners:
if learner.isActionAtomic():
multiActs.append(list(learner.action))
else:
multiActs = None
while (len(self.teams) < self.teamPopSize
or self.countRootTeams() < self.rTeamPopSize):
# get parent root team, and child to be based on that
parent = random.choice(self.rootTeams)
child = Team()
# child starts just like parent
for learner in parent.learners:
child.addLearner(learner)
if self.uniqueProgThresh > 0:
inputs, outputs = self.getLearnersInsOuts(oLearners)
else:
inputs = None
outputs = None
# then mutates
child.mutate(self.pDelLrn,
self.pAddLrn,
self.pMutLrn,
oLearners,
self.pMutProg,
self.pMutAct,
self.pActAtom,
self.actions,
oTeams,
self.pDelInst,
self.pAddInst,
self.pSwpInst,
self.pMutInst,
multiActs,
self.pSwapMultiAct,
self.pChangeMultiAct,
self.uniqueProgThresh,
inputs=inputs,
outputs=outputs,
update=True)
self.teams.append(child)
self.rootTeams.append(child)
def generate(self, extraTeams=None):
# extras who are already part of the team population
protectedExtras = []
extrasAdded = 0
# add extras into the population
if extraTeams is not None:
for team in extraTeams:
if team not in self.teams:
self.teams.append(team)
extrasAdded += 1
else:
protectedExtras.append(team)
oLearners = list(self.learners)
oTeams = list(self.teams)
# update generation in mutateParams
self.mutateParams["generation"] = self.generation
# get all the current root teams to be parents
while (len(self.teams) < self.teamPopSize + extrasAdded or
(self.rootBasedPop and self.countRootTeams() < self.teamPopSize)):
# get parent root team, and child to be based on that
parent = random.choice(self.rootTeams)
child = Team(initParams=self.mutateParams)
# child starts just like parent
for learner in parent.learners:
child.addLearner(learner)
# then mutates
child.mutate(self.mutateParams, oLearners, oTeams)
self.teams.append(child)
# remove unused extras
if extraTeams is not None:
for team in extraTeams:
if team.numLearnersReferencing() == 0 and team not in protectedExtras:
self.teams.remove(team)