funciones.py

#! /usr/bin/python
#librerias
#import urllib2
try:
    import urllib.request as urllib
except ImportError:
    import urllib
from imutils import paths
import shutil
from sklearn.model_selection import train_test_split
import os
#from string import join
# funcion que nos va a generar el archivo fichero.data, donde tenemos las rutas de las imagenes
def generaFicheroData(darknetPath, NClases, Nproyecto):
    #creamos el fichero
    f = open (os.path.join(darknetPath, "cfg",Nproyecto +".data"),'w')
    #empezamos poniendo el numero de clases
    f.write('classes= ' + str(NClases)+'\n')
    f.write('train  = ' + Nproyecto +"/train.txt" +'\n')
    f.write('valid  = ' + Nproyecto +"/test.txt" +'\n')
    f.write('names = ' + "data/"+Nproyecto+".names" +'\n')
    f.write('backup = backup'+'\n')
    f.close()

#generaFicheroData("cfg/fichero.data",20, "/home/pjreddie/data/voc/train.txt", "/home/pjreddie/data/voc/2007_test.txt", "data/voc.names", "/backup")

#funcion que nos va a generar el fichero names con .name
def generaFicheroNames(darknetPath, Nproyecto, clases):
	#creamos el fichero
	f = open (os.path.join(darknetPath, "data",Nproyecto +".names"),'w')
	#Separamos la lista de las clases por la coma
	trocitos_de_clases = clases.split(',')
	#recorremos la lista e imprimimos una clase por linea
	for element in trocitos_de_clases:
		f.write(element.strip()+'\n')

#generaFicheroNames("data/fichero.names", "aeroplane, bicycle,bird,boat,bottle,bus,car, cat, chair,cow,diningtable,dog, horse, motorbike, person, pottedplant, sheep, sofa,train,tvmonitor")
def contarClases(clases):
	numClases =0
	trocitos_de_clases = clases.split(',')
	#recorremos la lista e imprimimos una clase por linea
	for element in trocitos_de_clases:
		numClases = numClases + 1
	return numClases

#funcion que nos genera los ficheros de YOLO
def generaFicherosYoloTrain(darknetPath, Nproyecto, NClases):
	#creamos el fichero yolo.cfg con la configuracion correspondiente a YOLO
	f = open (os.path.join(darknetPath, "cfg",Nproyecto +"train.cfg"),'w')
	#Texto del fichero
	mensaje = """[net]
# Testing
# batch=1
# subdivisions=1
# Training
batch=64
subdivisions=16
width=416
height=416
channels=3
momentum=0.9
decay=0.0005
angle=0
saturation = 1.5
exposure = 1.5
hue=.1

learning_rate=0.001
burn_in=1000
max_batches = 500200
policy=steps
steps=400000,450000
scales=.1,.1

[convolutional]
batch_normalize=1
filters=32
size=3
stride=1
pad=1
activation=leaky

# Downsample

[convolutional]
batch_normalize=1
filters=64
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=32
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=64
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=128
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=64
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=64
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=256
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=512
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

######################

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=1024
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=1024
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=1024
activation=leaky

[convolutional]
size=1
stride=1
pad=1
filters="""+ str((NClases + 5)*3)+"""
activation=linear


[yolo]
mask = 6,7,8
anchors = 10,13,  16,30,  33,23,  30,61,  62,45,  59,119,  116,90,  156,198,  373,326
classes="""+str(NClases)+"""
num=9
jitter=.3
ignore_thresh = .7
truth_thresh = 1
random=1


[route]
layers = -4

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[upsample]
stride=2

[route]
layers = -1, 61



[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=512
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=512
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=512
activation=leaky

[convolutional]
size=1
stride=1
pad=1
filters="""+ str((NClases + 5)*3)+"""
activation=linear


[yolo]
mask = 3,4,5
anchors = 10,13,  16,30,  33,23,  30,61,  62,45,  59,119,  116,90,  156,198,  373,326
classes="""+str(NClases)+"""
num=9
jitter=.3
ignore_thresh = .7
truth_thresh = 1
random=1



[route]
layers = -4

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[upsample]
stride=2

[route]
layers = -1, 36



[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=256
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=256
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=256
activation=leaky

[convolutional]
size=1
stride=1
pad=1
filters="""+ str((NClases + 5)*3)+"""
activation=linear


[yolo]
mask = 0,1,2
anchors = 10,13,  16,30,  33,23,  30,61,  62,45,  59,119,  116,90,  156,198,  373,326
classes="""+str(NClases)+"""
num=9
jitter=.3
ignore_thresh = .7
truth_thresh = 1
random=1"""
	#escribimos el mensaje en el fichero
	f.write(mensaje)
	f.close()

#generaFicherosYoloTrain("prueba.cfg", 1)


def generaFicherosYoloTest(darknetPath, Nproyecto, NClases):
	#creamos el fichero yolo.cfg con la configuracion correspondiente a YOLO
	f = open (os.path.join(darknetPath, "cfg",Nproyecto +"test.cfg"),'w')
	#Texto del fichero
	mensaje = """[net]
# Testing
batch=1
subdivisions=1
# Training
# batch=64
# subdivisions=16
width=416
height=416
channels=3
momentum=0.9
decay=0.0005
angle=0
saturation = 1.5
exposure = 1.5
hue=.1

learning_rate=0.001
burn_in=1000
max_batches = 500200
policy=steps
steps=400000,450000
scales=.1,.1

[convolutional]
batch_normalize=1
filters=32
size=3
stride=1
pad=1
activation=leaky

# Downsample

[convolutional]
batch_normalize=1
filters=64
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=32
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=64
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=128
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=64
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=64
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=256
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=512
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear


[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

# Downsample

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=2
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
filters=1024
size=3
stride=1
pad=1
activation=leaky

[shortcut]
from=-3
activation=linear

######################

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=1024
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=1024
activation=leaky

[convolutional]
batch_normalize=1
filters=512
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=1024
activation=leaky

[convolutional]
size=1
stride=1
pad=1
filters="""+ str((NClases + 5)*3)+"""
activation=linear


[yolo]
mask = 6,7,8
anchors = 10,13,  16,30,  33,23,  30,61,  62,45,  59,119,  116,90,  156,198,  373,326
classes="""+str(NClases)+"""
num=9
jitter=.3
ignore_thresh = .7
truth_thresh = 1
random=1


[route]
layers = -4

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[upsample]
stride=2

[route]
layers = -1, 61



[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=512
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=512
activation=leaky

[convolutional]
batch_normalize=1
filters=256
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=512
activation=leaky

[convolutional]
size=1
stride=1
pad=1
filters="""+ str((NClases + 5)*3)+"""
activation=linear


[yolo]
mask = 3,4,5
anchors = 10,13,  16,30,  33,23,  30,61,  62,45,  59,119,  116,90,  156,198,  373,326
classes="""+str(NClases)+"""
num=9
jitter=.3
ignore_thresh = .7
truth_thresh = 1
random=1



[route]
layers = -4

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[upsample]
stride=2

[route]
layers = -1, 36



[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=256
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=256
activation=leaky

[convolutional]
batch_normalize=1
filters=128
size=1
stride=1
pad=1
activation=leaky

[convolutional]
batch_normalize=1
size=3
stride=1
pad=1
filters=256
activation=leaky

[convolutional]
size=1
stride=1
pad=1
filters="""+ str((NClases + 5)*3)+"""
activation=linear


[yolo]
mask = 0,1,2
anchors = 10,13,  16,30,  33,23,  30,61,  62,45,  59,119,  116,90,  156,198,  373,326
classes="""+str(NClases)+"""
num=9
jitter=.3
ignore_thresh = .7
truth_thresh = 1
random=1"""
	#escribimos el mensaje en el fichero
	f.write(mensaje)
	f.close()

#generaFicherosYoloTest("prueba.cfg", 1)

#funcion que nos descarga los pesos para entrenar
def descargarPesos(url): 
	file_name = url.split('/')[-1]
	u = urllib.urlopen(url)
	f = open(file_name, 'wb')
	meta = u.info()
	file_size = int(meta.getheaders("Content-Length")[0])
	#print "Downloading: %s Bytes: %s" % (file_name, file_size)
	 
	file_size_dl = 0
	block_sz = 8192
	while True:
	    buffer = u.read(block_sz)
	    if not buffer:
	        break
	 
	    file_size_dl += len(buffer)
	    f.write(buffer)
	    status = r"%10d  [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
	    status = status + chr(8)*(len(status)+1)
	    #print status,
	f.close()

#funcion que nos genera la instruccion para entrenar el modelo
def generaInstruccionEntrenar(Nproyecto, desdeCero):
	# hay dos formas de entrenar a YOLO, desde cero o usando unos pesos. Para eso tenemos el parametro desdeCero
	if desdeCero:
		#si es desde cero, no necesitamos pesos
		print('./darknet detector train cfg/'+Nproyecto +'.data cfg/'+Nproyecto +'train.cfg')
	else:
		#si partimos de unos pesos preentrenados, sera necesario descargarlos
		descargarPesos('https://pjreddie.com/media/files/darknet53.conv.74')
		print('./darknet detector train cfg/'+Nproyecto +'.data cfg/'+Nproyecto +'train.cfg darknet53.conv.74')


#generaInstruccionEntrenar("cfg/vocEstomas.data","cfg/yolov3.cfg", False)

#funcion que nos genera la instruccion para evaluar el modelo 
def generaInstruccionEvaluar(Nproyecto, pathPesos, threshold = 0.25):
	if(os.path.exists(pathPesos)):
		print('./darknet detector map cfg/'+Nproyecto +'.data cfg/'+Nproyecto +'test.cfg '+pathPesos+' -thresh '+str(threshold))
	else:
		print('no existen esos pesos')

#generaInstruccionEvaluar("cfg/vocEstomas.data","cfg/yolov3.cfg","backup/yolov3_220000.weights", 0.5)

#funcion que nos genera la instruccion para predecir dada una foto
def generaInstruccionPredecir(Nproyecto, pathPesos, pathFoto, threshold = 0.25):
	if(os.path.exists(pathPesos)):
		if(os.path.exists(pathFoto)):
			print('./darknet detector test cfg/'+Nproyecto +'.data cfg/'+Nproyecto +'test.cfg '+pathPesos+' '+pathFoto+' -thresh '+str(threshold))
		else:
			print('no existe la imagen')
	else:
		print('no existen esos pesos')

#generaInstruccionPredecir("cfg/vocEstomas.data","cfg/yolov3.cfg","backup/yolov3_220000.weights","estomas/test/JPEGImages/0_0_1044.1.B3.jpg",0.5)

#funcion que comprueba si dada una carpeta hay imagenes .jpg
def compruebeImages(pathImages):
	listaFicheros = list(paths.list_files(pathImages,validExts=(".jpg")))
	if len(listaFicheros)==0:
		print('En esta carpeta no hay imagenes en formato .jpg')
	else:
		print('Todo correcto')

#funcion que dada una ruta comprueba si existen los ficheros .txt que poseen las anotaciones
def compruebeTXT(pathImages):
	listaFicheros = list(paths.list_files(pathImages,validExts=(".jpg")))
	for file in listaFicheros:
		ficheroAnotaciones = file.split(".jpg")[0] + ".txt"
		if(os.path.exists(ficheroAnotaciones)):
			print('Todo correcto, continuamos')
		else:
			print('No existe el fichero de anotaciones')

def datasetSplit( Nproyecto, darknetPath, pathImages, porcentaje):
	listaFicheros = list(paths.list_files(pathImages,validExts=(".jpg")))
	train_list,test_list, _ ,_ = train_test_split(listaFicheros, listaFicheros, train_size=porcentaje)
	#creamos la estructura de carpetas, la primera contendra las imagenes del entrenamiento
	os.makedirs(os.path.join(darknetPath , Nproyecto , 'train', 'JPEGImages'))
	#esta carpeta contendra las anotaciones de las imagenes de entrenamiento
	os.makedirs(os.path.join(darknetPath , Nproyecto , 'train', 'labels'))
	#y esta ultima carpeta va a contener tanto las imagenes como los ficheros de anotaciones del test
	os.makedirs(os.path.join(darknetPath , Nproyecto , 'test', 'JPEGImages'))
	#para las imagenes de entrenamiento
	for file in train_list:
		#obtenemos el fichero .txt asociado
		ficherolabel = file[0:file.rfind('.')]+'.txt'
		#obetenemos el nombre de los ficheros
		name = os.path.basename(file).split('.')[0]
		#movemos las imagenes a la carpeta JpegImages
		shutil.copy(file, os.path.join(darknetPath , Nproyecto , 'train', 'JPEGImages',name+'.jpg'))
		#movemos las anotaciones a la carpeta
		shutil.copy(ficherolabel,os.path.join(darknetPath , Nproyecto , 'train', 'labels',name+'.txt'))
	#para las imagenes de entrenamiento
	for file in test_list:
		#obtenemos el fichero .txt asociado
		ficherolabel = file[0:file.rfind('.')]+'.txt'
		#obetenemos el nombre de los ficheros
		name = os.path.basename(file).split('.')[0]
		#movemos las imagenes a la carpeta JpegImages
		shutil.copy(file, os.path.join(darknetPath , Nproyecto , 'test', 'JPEGImages',name+'.jpg'))
		#movemos las anotaciones a la carpeta
		shutil.copy(ficherolabel, os.path.join(darknetPath , Nproyecto , 'test', 'JPEGImages',name+'.txt'))


def generaFicheroTrain(darknetPath, Nproyecto):
	#creamos el fichero train.txt
	f = open (os.path.join(darknetPath,Nproyecto ,"train.txt"),'w')
	#listamos todos los ficheros .jpg del conjunto de entrenamiento
	files = os.listdir(os.path.join(darknetPath,Nproyecto ,"train/JPEGImages/")) 
	#recorremos la lista e imprimimos una imagen por linea
	for l in files:
		f.write(os.path.join(darknetPath,Nproyecto ,"train/JPEGImages/",l)+'\n')

def generaFicheroTest(darknetPath, Nproyecto):
	#creamos el fichero test.txt
	f = open (os.path.join(darknetPath,Nproyecto ,"test.txt"),'w')
	#listamos todos los ficheros .jpg del conjunto de test
	files = os.listdir(os.path.join(darknetPath,Nproyecto ,"test/JPEGImages/")) 
	#recorremos la lista e imprimimos una imagen por linea
	for l in files:
		start, ext = os.path.splitext(l)
		if ext==('.jpg'):
			#si es una imagen la guardamos
			f.write(os.path.join(darknetPath,Nproyecto ,"test/JPEGImages/",l)+'\n')

#funcion que nos va a listar todos los pesos creados		
def listarBackup(darknetPath):
	contenido = os.listdir(os.path.join(darknetPath,'backup/'))
	for elemento in contenido:
		print(elemento)