topic AssertionError: Invalid MXD filename...why? in Python Questions

AssertionError: Invalid MXD filename...why?

RichardThurau — Mon, 14 May 2012 14:29:06 GMT

Hi,
I have a simple script for batch exporting .mxds to .PNG:

import arcpy, os ws = arcpy.env.workspace = r"X:\DATA\07_Reporting\MapDocuments\UTC_Factsheet_ANCs" outDir = r"C:\_Rich\Project_Temp\dc\MapTest"  mapList = arcpy.ListFiles("*.mxd") for m in mapList:     print m     mxd = arcpy.mapping.MapDocument(ws + m)     #arcpy.mapping.MapDocument(mxd)     arcpy.mapping.ExportToPNG(mxd, outDir + '\\' + str(m))     del mxd

I've used this code several times before. I don't think I've modified it at all, except for the workspace and outdirectory.

Today, I am getting the following error:
Traceback (most recent call last):
File "X:\DATA\INRMP_JPG\Tools\Scripts\export_mxd_to_PNG_Smoky.py", line 10, in <module>
mxd = arcpy.mapping.MapDocument(m)
File "C:\Program Files (x86)\ArcGIS\Desktop10.0\arcpy\arcpy\arcobjects\mixins.py", line 443, in __init__
assert (os.path.isfile(mxd) or (mxd.lower() == "current")), gp.getIDMessage(89004, "Invalid MXD filename")
AssertionError: Invalid MXD filename.

Note: Neither my filenames or mxd names have any spaces in them (although that hopefully would be okay).

I need this bad because i have many maps to convert.
Help on this would be awesome.

Running Arcgis 10.0 sp4
win7 64bit

Thanks
Rich

Re: AssertionError: Invalid MXD filename...why?

MathewCoyle — Mon, 14 May 2012 14:34:27 GMT

This looks like the problem here.

mxd = arcpy.mapping.MapDocument(ws + m)

This would output this
"X:\DATA\07_Reporting\MapDocuments\UTC_Factsheet_ANCsyour_mxd.mxd"

You'd want something like

mxd = arcpy.mapping.MapDocument(os.path.join(ws,m))

Re: AssertionError: Invalid MXD filename...why?

RichardThurau — Mon, 14 May 2012 14:41:22 GMT

I'll have to chalk this one up to Monday morning 🙂

Thanks Mathew!!

Re: AssertionError: Invalid MXD filename...why?

ClarkMitten — Mon, 22 Oct 2012 20:45:02 GMT

Richard or Matthew,

Do either of you know how to convert this to be used as a tool?

Thanks

Re: AssertionError: Invalid MXD filename...why?

RichardThurau — Mon, 22 Oct 2012 20:59:04 GMT

You can create tools from python scripts following the process here: http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//001500000006000000.htm

Follow these directions to create a tool that can be saved in any ArcToolbox, which is a great way to organize scripts btw.

Hope this helps.

RT