arcgis python 判断是数据库或是文件夹

import arcpy

# Create a Describe object
#
desc = arcpy.Describe("C:/Data/chesapeake.gdb")

# Print some Describe Object properties
#
if hasattr(desc, "name"):
    print "Name:        " + desc.name
if hasattr(desc, "dataType"):
    print "DataType:    " + desc.dataType
 #DataType == "Folder" DataType == "Workspace"
#.DataType == "FeatureDataset"
if hasattr(desc, "catalogPath"):
    print "CatalogPath: " + desc.catalogPath

# Examine children and print their name and dataType
#
print "Children:"
for child in desc.children:
    print "\t%s = %s" % (child.name, child.dataType)