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I am trying to make a tool for exporting pdfs from a directory: I found one online but it was very slow, I am trying to code it more efficiently. I am getting an AssertionError and I am not sure how to fix it. 

import arcpy import os arcpy.env.workspace = r"C:\Users\jds\Desktop\MXD_Export_Test" folderPath = r"C:\Users\jds\Desktop\MXD_Export_Test" mxdList = arcpy.ListFiles("*.mxd") for mxd in mxdList: saveName = mxd.split(".")[0] + ".pdf" savePath = os.path.join(folderPath, saveName) arcpy.mapping.ExportToPDF(mxd, savePath)

Error =

Traceback (most recent call last): File "C:\Python27\ArcGIS10.3\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py", line 326, in RunScript exec codeObject in main.dict File "C:\Users\jds\Desktop\Scripts\Export_PDF_From_Directory.py", line 14, in arcpy.mapping.ExportToPDF(mxd, savePath) File "C:\Program Files (x86)\ArcGIS\Desktop10.3\ArcPy\arcpy\utils.py", line 182, in fn_ return fn(*args, **kw) File "C:\Program Files (x86)\ArcGIS\Desktop10.3\ArcPy\arcpy\mapping.py", line 1148, in ExportToPDF assert isinstance(map_document, MapDocument) AssertionError

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  • Can you edit your question an add the actual error message? Commented Sep 29, 2016 at 14:53

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Your variable mxd as it stands is not a MapDocument object, it's just a path. You have to maybe add a line under the loop:

for mxd in mxdList: md = arcpy.mapping.MapDocument(mxd) saveName = mxd.split(".")[0] + ".pdf" savePath = os.path.join(folderPath, saveName) arcpy.mapping.ExportToPDF(md, savePath)

See the documentation here: ExportToPDF

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Ok,

I have figured it out, with help form Jvhowube.

Not only did I need a map object, but the map object needed to be the full file path. 

for mxd in mxdList: fullPath = os.path.join(folderPath, mxd) md = arcpy.mapping.MapDocument(fullPath) saveName = mxd.split(".")[0] + ".pdf" savePath = os.path.join(folderPath, saveName) arcpy.mapping.ExportToPDF(md, savePath)
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