def convImgBinary(imageFile):
"""
Convert image to binary. Image format must be PNG or JPG.
If image is PNG, it will be converted to JPG becuase ArcGIS
thumbnail is only compatible with JPG binary
ref: http://www.programcreek.com/2013/09/convert-image-to-string-in-python/
ref: https://stackoverflow.com/questions/43258461/convert-png-to-jpeg-using-pillow-in-python/43258955
"""
fileExt = meta.path.basename(imageFile).split(".")[1]
if (fileExt == "png") | (fileExt == "gif"):
from PIL import Image
im = Image.open(imageFile)
newPng = im.convert('RGB')
newJPG = meta.path.join(arcpy.env.scratchFolder, "temp.jpg")
newPng.save(newJPG)
with open(newJPG, "rb") as imagefile:
str = base64.b64encode(imagefile.read())
return str
elif fileExt == "jpg":
with open(imageFile, "rb") as imagefile:
str = base64.b64encode(imagefile.read())
return str
else:
meta.printit("Please convert the image to PNG, GIF, or JPG format!")
meta.printit("Terminating the tool.")
exit()
def orderinstruction():
"""
Replace distribution order instruction with default.
:return: none
"""
meta.printit("# Order Instruction...")
orderInstrTag = metaTag["distOrderInstr"]
default_orderInstr_elem = default_tree.findxmltag(orderInstrTag)
# find all order instructions
temp_elems = tree.findxmltagAll(orderInstrTag)
for temp_elem in temp_elems:
if temp_elem is not None:
# delete child nodes
tree.deleteAllChildXmlTagNoPrint(meta.parentTagFuc(orderInstrTag))
# set Order Instruction parent tag
orderInstr_parent_tag = meta.parentTagFuc(orderInstrTag)
# set Order Instruction parent element
orderInstr_parent_elem = tree.findxmltag(orderInstr_parent_tag)
# add Order Instruction parent elem if it doesn't exist
if orderInstr_parent_elem is None:
tree.findaddmissingxmltagNoPrint(orderInstr_parent_tag)
# insert default Order Instruction
orderInstr_parent_elem = tree.findxmltag(orderInstr_parent_tag)
orderInstr_parent_elem.insert(0, default_orderInstr_elem)
def xmlout(inputPar):
# check input file is xml
if (inputdesc.dataType == 'File') & (inputPar.lower().endswith('.xml')):
return inputPar
# check input data element is in the list
elif inputdesc.dataType in [
"FeatureClass", "RasterDataset", "Workspace", "ShapeFile",
"FeatureDataset", "Table", "TextFile"
]:
return meta.xmlExport(inputPar)
else:
meta.printit("Please select correct data type to export Metadata")
quit()
def searchkeys(searchkeywords):
if len(searchkeywords) > 0:
searchKeys = searchkeywords.split(",")
meta.printit("# Search Keywords...")
# if searchKeys tag exists, delete
searchkeyTag = metaTag["searchKeys"]
if tree.findxmltag(searchkeyTag) is not None:
tree.deletexmlTagNoPrint(searchkeyTag, metaTag["keyword"])
# add searchKeys tag
tree.findaddmissingxmltagNoPrint(searchkeyTag)
# add search keyword tag & text
for i in range(len(searchKeys)):
tree.addxmlTagText(searchkeyTag, metaTag["keyword"],
searchKeys[i].strip())
def dataidinfoupdate(elementname, tag, textinput):
if len(textinput) > 0:
meta.printit("# {}...".format(elementname))
tempTag = metaTag[tag]
# find element
temp_elem = tree.findxmltag(tempTag)
if temp_elem is None:
# add tag
tree.findaddmissingxmltagNoPrint(tempTag)
# set new text
tree.setXmlText(tempTag, textinput)
else:
# set new text
tree.setXmlText(tempTag, textinput)
def thumbnail(image):
"""
Update thumbnail.
:return: none
"""
if len(image) > 0:
# ---- THUMNAIL ----#
meta.printit("# Replace thumbnail...")
# check thumbnail tag exist, if not add elements
tree.findaddmissingxmltag(metaTag["thumbnail"])
# set thumbnail attribute
tree.addTagAtt(metaTag["thumbnail"], "EsriPropertyType", "PictureX")
# add thumbnail binary to metadata xml
# convert imagery to binary and append it to xml
tree.findreplacexmltext(metaTag["thumbnail"], convImgBinary(image))
def metaUpdate(xml_file):
global tree, tree_root, i
# set xml tree element
tree = meta.xmlMeta(xml_file)
tree_root = tree.getroot()
dataidinfoupdate("Title", "title", titleinput)
searchkeys(searchkeywords)
dataidinfoupdate("Summary (Purpose)", "summary", summaryinput)
dataidinfoupdate("Description (Abstract)", "description", descinput)
dataidinfoupdate("Credits", "credit", creditsinput)
for i in option_list:
i = i.replace("'", "")
if i == "Resource Contact":
contact("resContact")
elif i == "Distribution Contact":
contact("distContact")
elif i == "Metadata Contact":
contact("mdContact")
elif i == "Use Limitation":
uselimitConstraint()
elif i == "Distribution Order Instruction":
orderinstruction()
elif i == "All":
uselimitConstraint()
contact("resContact")
contact("distContact")
orderinstruction()
contact("mdContact")
# delete data quality and lineage section
if dq:
target_dq_elem = tree.findxmltag(metaTag['dataQuality'])
if target_dq_elem is not None:
meta.printit("# Delete Data Quality and Lineage...")
tree_root.remove(target_dq_elem)
if langcnty:
deleteLangCntyCode()
if revise:
reviseDate()
# update thumbnail
thumbnail(image)
# write updates to xml file
tree.writeXml(xml_file)
def xmlout(inputPar):
# set arcpy Describe object from input
inputdesc = meta.arcpy.Describe(inputPar)
# check input file is xml
if (inputdesc.dataType == 'File') & (inputPar.lower().endswith('.xml')):
return inputPar
# check input data element is in the list
elif inputdesc.dataType in [
"FeatureClass", "Table", "Workspace", "ShapeFile",
"FeatureDataset", "RasterDataset"
]:
return meta.xmlExport(inputPar)
else:
meta.printit(
"Please select an input from xml, shapefile, feature class, feature dataset, Table, or Workspace"
)
quit()
def uselimitConstraint():
"""
Replace General Use Limitation with default.
:return: none
"""
meta.printit("# Constraints... ")
genUseLimitTag = metaTag["genUseLimit"]
default_useLimt_elem = default_tree.findxmltag(genUseLimitTag)
constraint_elem = tree.findxmltag(genUseLimitTag)
if constraint_elem is not None:
tree.deletexmlTag2NoPrint(genUseLimitTag)
# set use limitation parent tag
constraint_parent_tag = meta.parentTagFuc(genUseLimitTag)
# set use limitation parent element
constraint_parent_elem = tree.findxmltag(constraint_parent_tag)
# add use limitation parent elem if it doesn't exist
if constraint_parent_elem is None:
tree.findaddmissingxmltagNoPrint(constraint_parent_tag)
# insert default use limitation
constraint_parent_elem = tree.findxmltag(constraint_parent_tag)
constraint_parent_elem.insert(0, default_useLimt_elem)
def contact(contactTag):
# code block to replace existing contacts with a default (edit Metadata_Template.xml before using this script)
meta.printit("# {}...".format(contactsDesc[contactTag]))
# set xml element
target_elem = default_tree.findxmltag(contacts[contactTag])
contact_elem = tree.findxmltag(contacts[contactTag])
# MD contact
if contactTag == "mdContact":
# delete MD contact element if it exists
if contact_elem is not None:
tree.deleterootxmlTagNoPrint(contacts[contactTag])
# insert default contact
tree_root.insert(len(tree_root), target_elem)
# Distributor contact
elif contactTag == "distContact":
distributor_elem = tree.findxmltag(metaTag['distributor'])
target_distributor_elem = default_tree.findxmltag(contacts[contactTag])
# delete distributor contact element if it exists
if distributor_elem is not None:
tree.deletexmlTag2NoPrint(metaTag['distributor'])
contact_parent_tag = meta.parentTagFuc(contacts[contactTag])
contact_parent_elem = tree.findxmltag(contact_parent_tag)
# add distributor elems
if contact_parent_elem is None:
tree.findaddmissingxmltagNoPrint(contact_parent_tag)
# insert default contact
contact_parent_elem = tree.findxmltag(contact_parent_tag)
contact_parent_elem.insert(0, target_distributor_elem)
# other contacts
else:
if contact_elem is not None:
tree.deletexmlTag2NoPrint(contacts[contactTag])
contact_parent_tag = meta.parentTagFuc(contacts[contactTag])
contact_parent_elem = tree.findxmltag(contact_parent_tag)
# add contact elems
if contact_parent_elem is None:
tree.findaddmissingxmltagNoPrint(contact_parent_tag)
# insert default contact
contact_parent_elem = tree.findxmltag(contact_parent_tag)
contact_parent_elem.insert(0, target_elem)
if langcnty:
deleteLangCntyCode()
if revise:
reviseDate()
# update thumbnail
thumbnail(image)
# write updates to xml file
tree.writeXml(xml_file)
# set input basename
input_metadata_name = os.path.basename(input_metadata)
meta.printit(" Updating {} Metadata".format(input_metadata_name))
# set input xml file
inputxml = xmlout(input_metadata)
# update metadata
metaUpdate(inputxml)
# set input data arcpy Describe object
tardesc = arcpy.Describe(input_metadata)
# check if input data type is in the list
if tardesc.datatype in [
"FeatureClass", "RasterDataset", "Workspace", "ShapeFile",
"FeatureDataset", "Table", "TextFile"
]:
# import metadata back to feature class
arcpy.MetadataImporter_conversion(inputxml, input_metadata)
# synchronize metadata
arcpy.SynchronizeMetadata_conversion(input_metadata, "SELECTIVE")
