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Python Crashes when Running ExportToPDF(), ExportToPNG(), ExportToJPEG()

Question asked by mancini on May 6, 2015
Latest reply on May 8, 2015 by mancini

I am attempting to loop through a folder of ~400 .mxd's and save each to a .pdf in another folder.  All tested arcpy.mapping export functions (pdf, jpeg & png) kill python without a chance to debug or any indication why.  Running script in PythonWin gives error message "PyWin32 has stopped working."  When run from python prompt within ArcMap, program just closes. 


Script behaves inconsistently, sometimes makes 10 maps before crashing, other times only 1 or 2.  All mxds were created from the same arcpy.mapping script and all are valid (can open in ArcMap and export without issues).  There is an ArcGIS Online basemap layer in each map (Oceans), I tried unchecking this layer in the first few maps and it did not have an effect on the script, python still crashed.


Tested script on 2 different laptops with same result.  Both running ArcGIS Desktop 10.2.2, Python 2.7...

Windows 7 Pro 64-Bit SP1, Intel Core i5, 8GB Dual-Channel RAM, Intel HD Graphics 4000

Windows 7 Pro 64-Bit SP1, Intel Core i7, 16GB Dual-Channel RAM, Intel HD Graphics 4000, 2048MB NVIDIA Quatro K2000M


Saw a few similar posts here and on other message boards, but no working solutions.


I had no problem generating 400 maps using arcpy.mapping and cannot believe that I cannot save them out to a file.  Is this a bug?


import arcpy, os

ws = r"C:\temp"
map_folder = os.path.join(ws, "maps")
pdf_folder = os.path.join(ws, "pdfs")

arcpy.env.workspace = map_folder
arcpy.env.overwriteOutput = True

# generate list of map documents in folder to loop through
map_list = arcpy.ListFiles("*.mxd")

def exportAISMap(mxd_path, out_path):
    mxd = arcpy.mapping.MapDocument(mxd_path)
    # arcpy.mapping.ExportToJPEG(mxd, out_path)
    # arcpy.mapping.ExportToPNG(mxd, out_path)
    arcpy.mapping.ExportToPDF(mxd, out_path)
    print "Exported map file: " + str(out_path) + "\n"
    del mxd

print "Saving out " + str(len(map_list)) + " map documents\n"   

for map_file in map_list:
    print map_file

    mxd_path = os.path.join(map_folder, map_file)
    pdf_file = map_file.replace(".mxd", ".pdf")
    pdf_path = os.path.join(pdf_folder, pdf_file)   

    exportAISMap(mxd_path, pdf_path)