#Original
mxd = arcpy.mapping.MapDocument("CURRENT")
df = arcpy.mapping.ListDataFrames(mxd, "Callejero_DP")[0]
for pageNum in range(1, mxd.dataDrivenPages.pageCount + 1):
   mxd.dataDrivenPages.currentPageID = pageNum
   PageName = mxd.dataDrivenPages.pageRow.Layer
   arcpy.mapping.ExportToPNG(mxd,
            r"K:\Apb\Cuadricula_A3\Formato_png\ideS_Guia_Urb_" + str(PageName) + ".png",
            data_frame = "PAGE_LAYOUT",
            df_export_width = 4959,
            df_export_height = 3509,
            resolution = 300,
            world_file = False,
            color_mode = "24-BIT_TRUE_COLOR",
            background_color = "255, 255, 255",
            interlaced = False)
del mxd




#Definitivo
import arcpy

# set arguments  
input_mxd = r"P:\Trabajos\Guis_Urbana\Proyectos\mxd\DDP_Settlements02_Python.mxd"
output_folder = r"K:\Apb\Cuadricula_DIS\Formato_png\ideS_Guia_Urb_"
dfColorName = "Color"
dfBlancoName = "Gris"
#df.name.lower
prjScale = 2500
idf_export_width = 11222
idf_export_height = 25394
iresolution = 300

idf_export_width = 3591
idf_export_height = 8126
iresolution = 96

mxd = arcpy.mapping.MapDocument("CURRENT")
dfColor = arcpy.mapping.ListDataFrames(mxd, dfColorName)[0]
dfBlanco = arcpy.mapping.ListDataFrames(mxd, dfBlancoName)[0]

for pageNum in range(1, mxd.dataDrivenPages.pageCount + 1):
   mxd.dataDrivenPages.currentPageID = pageNum
   PageName = mxd.dataDrivenPages.pageRow.Layer
   dfColor.scale = prjScale
   dfBlanco.extent = dfColor.extent
   dfBlanco.scale = prjScale
   arcpy.RefreshActiveView()  
   arcpy.mapping.ExportToPNG(mxd,
            output_folder + str(PageName) + ".png",
            data_frame = "PAGE_LAYOUT",
            df_export_width = idf_export_width,
            df_export_height = idf_export_height,
            resolution = iresolution,
            world_file = False,
            color_mode = "24-BIT_TRUE_COLOR",
            background_color = "255, 255, 255",
            interlaced = False)

#mxd.saveACopy(input_mxd)
#del mxd

#Nuevos

mxd = arcpy.mapping.MapDocument("CURRENT")
df = arcpy.mapping.ListDataFrames(mxd)[0]
lyr = arcpy.mapping.ListLayers(mxd)[0]
rows = arcpy.SearchCursor(lyr.dataSource)
for row in rows:  
    newDFExt = row.getValue("Shape").extent
    df.extent = newDFExtent  
    arcpy.mapping.ExportToPDF(mxd, somepath)  
del mxd