ij

original.py

from arcpy import da
import os
 
inTable = arcpy.GetParameterAsText(0)
fileLocation = arcpy.GetParameterAsText(1)
 
with da.SearchCursor(inTable,['DATA','ATT_NAME']) as cursor:
   for row in cursor:
      binaryRep = row[0]
      fileName = row[1]
      # save to disk
      open(fileLocation + os.sep + fileName, 'wb').write(binaryRep.tobytes())
      del row
      del binaryRep
      del fileName

updated.py

#ExportAttachments.py
#This script is for batch exporting attachments from ArcGIS Online.
#More info: http://www.cloudpointgeo.com/blog/blog/2014/3/5/getting-attachments-down-from-arcgis-online

from arcpy import da
import os

inTable = arcpy.GetParameterAsText(0)
fileLocation = arcpy.GetParameterAsText(1)

with with da.SearchCursor(inTable,['DATA','ATT_NAME','GlobalID']) as cursor:
   for row in cursor:
      binaryRep = row[0]
      fileName = 'GlobalID_' + str(row[2]) + '-' + row[1]
      # save to disk
      open(fileLocation + os.sep + fileName, 'wb').write(binaryRep.tobytes())
      del row
      del binaryRep
      del fileName