#-------------------------------------------------------------------------------
# Name:        LayerSetsExporter
# Purpose:      export files with each layer set
#
# Author:      JanusHuang
#
# Created:     24/11/2013
# Copyright:   (c) JanusHuang 2013
# Licence:     <your licence>
#-------------------------------------------------------------------------------

import sys
from PyQt4.QtGui import *
import comtypes.client

class LayerSetsExporter(QWidget):

    def __init__(self, parent = None):
        super(LayerSetsExporter, self).__init__(parent)
        self.outputPath = ''
        self.createLayout()
        self.createConnection()

    def setLayerSetsVisible(self, layerSets, state):
        for layerSet in layerSets:
            layerSet.visible = False

    def saveLayerSetsVisible(self, layerSets):
        self.origLayerSetsVisible = []
        for layerSet in layerSets:
            self.origLayerSetsVisible.append([layerSet, layerSet.visible])

    def resetLayerSetsVisible(self):
         for (layerSet, visible) in self.origLayerSetsVisible:
            layerSet.visible = visible

    def getExportFileName(self, layerSet):
        newStr = layerSet.name.replace(self.leLayerPrefix.text(), '')
        return newStr

    def setOutputPath(self):
        self.outputPath = str(QFileDialog.getExistingDirectory(self, "Select Directory")) + '\\'
        self.leOutputPath.setText(self.outputPath)

    def processRun(self):
        app = comtypes.client.CreateObject('Photoshop.Application')
        doc = app.activeDocument
        if self.leOutputPath.text() == '':
            self.outputPath = doc.path
            self.leOutputPath.setText(self.outputPath)

        optionJpg = comtypes.client.CreateObject('Photoshop.JPEGSaveOptions')
        optionJpg.quality = 8

        count = 1
        layerSets = doc.layerSets
        #self.pbProcessing.setMaximum(layerSets.length)
        self.saveLayerSetsVisible(layerSets)
        for layerSet in layerSets:
            if self.leLayerPrefix.text() in layerSet.name:
                self.setLayerSetsVisible(layerSets, False)
                layerSet.visible = True
                doc.saveAs(self.outputPath + self.getExportFileName(layerSet) + '.jpg', optionJpg, True)
                self.pbProcessing.setValue(count)
                count += 1
        self.resetLayerSetsVisible()
        self.pbProcessing.reset()

    def createLayout(self):
        lblLayerPrefix = QLabel('Layer Prefix :')
        self.leLayerPrefix = QLineEdit('ept_')
        layoutH1 = QHBoxLayout()
        layoutH1.addWidget(lblLayerPrefix)
        layoutH1.addWidget(self.leLayerPrefix)

        self.leOutputPath = QLineEdit()
        self.tbtnGetPath = QToolButton()
        layoutH2 = QHBoxLayout()
        layoutH2.addWidget(self.leOutputPath)
        layoutH2.addWidget(self.tbtnGetPath)

        layout = QVBoxLayout()
        layout.addLayout(layoutH1)
        layout.addLayout(layoutH2)
        self.btnRun = QPushButton('&Run')
        self.pbProcessing = QProgressBar()
        layout.addWidget(self.btnRun)
        layout.addWidget(self.pbProcessing)

        # setting top widget
        self.resize(200,100)
        self.setWindowTitle('PS LayerSets Exporter')
        self.setLayout(layout)

    def createConnection(self):
        self.btnRun.clicked.connect(self.processRun)
        self.tbtnGetPath.clicked.connect(self.setOutputPath)

qApp = QApplication(sys.argv)

exporter = LayerSetsExporter()
exporter.show()

qApp.exec_()

with layer set prefix option and custom output path

Export JPEG Files With Each LayerSet with option (Photoshop Python With PyQt)

python

Python