(CkPython) XMP Array Property - Bag, Seq, or Alt

How to insert or update an XMP array property (bag, seq, or alt).

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import sys
import chilkat

# This requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

xmp = chilkat.CkXmp()

# Load a JPG or TIF image file.
# Sample JPG's with XMP metadata may be found at:
# http://www.chilkatsoft.com/testData/xmp/sample1.jpg
# http://www.chilkatsoft.com/testData/xmp/sample2.jpg
# http://www.chilkatsoft.com/testData/xmp/sample3.jpg
success = xmp.LoadAppFile("sample1.jpg")
if (success != True):
    print(xmp.lastErrorText())
    sys.exit()

print("Num embedded XMP docs: " + str(xmp.get_NumEmbedded()))

# Assuming there is at least one, get the 1st.
# (There is typically never more than one, but theoretically it's possible.)

# xml is a CkXml
xml = xmp.GetEmbedded(0)
if (xmp.get_LastMethodSuccess() == True):

    # Create an object to hold one or more string values.
    sa = chilkat.CkStringArray()
    success = sa.Append("value_1")
    success = sa.Append("value_2")
    # ...

    success = xmp.AddArray(xml,"bag","Iptc4xmpCore:Chilkat",sa)
    if (success != True):
        print(xmp.lastErrorText())
    else:
        # Save the JPG.
        success = xmp.SaveAppFile("modified.jpg")
        if (success != True):
            print(xmp.lastErrorText())

else:
    print(xmp.lastErrorText())