ExportReport issues - ArcMap 10.3

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11-02-2017 11:38 AM
DavidChan2
New Contributor II

Hey all,

I'm having trouble getting python to export a report in ArcMap 10.3. This is what I try to run:

import arcpy
rlf = r"D:\tool\tool_dev\Tool_Report.rlf"
layer = r"D:\tool\Test_Layer.lyr"
out = r"D:\tool\report.pdf"

arcpy.mapping.ExportReport(layer, rlf, out)

This is the output:

Traceback (most recent call last):
File "<pyshell#6>", line 1, in <module>
arcpy.mapping.ExportReport(layer, rlf, out)
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 524, in ExportReport
assert isinstance(report_source, (MapDocument, TableView, Layer)), str(type(report_source))
AssertionError: <type 'str'>

I get the same AssertionError no matter if I try to do it by command line within ArcMap, from IDLE, a new toolbox, or opening it with C:\Program Files (x86)\PYTHON27\ArcGIS10.3\python.exe. Additionally, I've tried it with background processing both on and off

Any ideas?

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1 Solution

Accepted Solutions
DavidChan2
New Contributor II

Thing is though, there are only the 3 required parameters.

However, you were absolutely correct about going with the examples. After following them closely, I figured out what was going on - despite directly referencing a .lyr file as the lyr file input, it wanted me to declare it as a layer file:

lyr = arcpy.mapping.Layer("D:\tool\Test_Layer.lyr")

Then this worked:

arcpy.mapping.ExportReport(lyr, rlf, out)

 

Glad we got it figured out!

View solution in original post

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4 Replies
MichaelVolz
Esteemed Contributor

Were you able to use this script in an earlier version of ArcMap?

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DavidChan2
New Contributor II

Nope, I haven't tried before. But given that each of the variables are pretty straight forward - a polygon layer with an attribute table, an rlf file that I've made myself, and a generic output PDF directory - and the limited inputs needed for the arcpy function, I can't figure out what I'm doing wrong

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DanPatterson_Retired
MVP Esteemed Contributor

There are many parameters you have skipped, I would used named parameters if you aren't going to specify the defaults within your ExportReport statement.  Examples are in the help files

http://desktop.arcgis.com/en/arcmap/latest/analyze/arcpy-mapping/exportreport.htm

DavidChan2
New Contributor II

Thing is though, there are only the 3 required parameters.

However, you were absolutely correct about going with the examples. After following them closely, I figured out what was going on - despite directly referencing a .lyr file as the lyr file input, it wanted me to declare it as a layer file:

lyr = arcpy.mapping.Layer("D:\tool\Test_Layer.lyr")

Then this worked:

arcpy.mapping.ExportReport(lyr, rlf, out)

 

Glad we got it figured out!

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