Added monitors and statistics, also made a module with some

specific python stuff in __init__.py

eo/src/pyeo/PyEO/__init__.py

@@ -0,0 +1,87 @@
+
+from PyEO import *
+
+try:
+    import Gnuplot
+except ImportError:
+    print "Python support for Gnuplot not found"
+else:
+
+    class eoGnuplot1DMonitor(eoMonitor):
+	def __init__(self):
+	    eoMonitor.__init__(self)
+	    self.values = []
+	    self.indices = []
+	    self.g = Gnuplot.Gnuplot()
+	    self.g.reset();
+	    
+	    
+	def handleParam(self, i, param):
+	    param = float(param)
+
+	    while len(self.values) <= i:
+		self.values.append( [] )
+
+	    self.values[i].append(param)
+	    
+	def __call__(self):
+	     
+	    l = len(self)
+
+	    if l > 3 or l == 0:
+		print 'Can only handle 1 to 3 params currently'
+	   
+	    i = 0
+	    for param in self:
+		self.handleParam(i,param)
+		i += 1
+	    
+	    self.indices.append( len(self.indices) )
+
+
+	    data1 = Gnuplot.Data(self.indices, self.values[0], with = 'lines')
+	    
+	    if l == 1:
+		self.g.plot(data1)
+	    else:
+		data2 = Gnuplot.Data(self.indices, self.values[1], with = 'lines')
+
+		if l == 2:
+		    self.g.plot(data1, data2)
+		else:
+		    data3 = Gnuplot.Data(self.indices, self.values[2], with = 'lines')
+
+		    self.g.plot(data1, data2, data3)
+
+def SeperatedVolumeMonitor(eoMonitor):
+    def __init__(self, file):
+	eoMonitor.__init__(self)
+	self.file = file
+	self.initialized = None;
+
+    def __call__(self):
+	pass
+
+class eoStat(eoStatBase, eoValueParamPy):
+    def __init__(self):
+	eoStatBase.__init__(self)
+	eoValueParamPy.__init__(self)
+    
+class eoSortedStat(eoSortedStatBase, eoValueParamPy):
+    def __init__(self):
+	eoSortedStatBase.__init__(self)
+	eoValueParamPy.__init__(self)
+
+class eoAverageStat(eoStat):
+    def __call__(self, pop):
+	sum = 0.0;
+	for indy in pop:
+	    sum += indy.fitness
+
+	sum /= len(pop)
+	self.object = sum
+
+class eoBestFitnessStat(eoSortedStat):
+
+    def __call__(self, pop):
+	self.object = pop[0].fitness