Set cache-control max-age for S3 objects larger than 5GB

maxage_multipart.py

from boto.s3.connection import S3Connection

# cache-control metadata
meta = {'Cache-Control':'max-age=43200'}

connection = S3Connection(KEY, SECRET)
bucket = connection.get_bucket('mui.test.bucket')
key = bucket.lookup('sourcefile.tar')

chunk = 99999999
mark = 0
part = 1

try:
    up = bucket.initiate_multipart_upload('tmp/result.tar', metadata=meta)

    for r in range(0,((key.size)/chunk)+1):
        if (mark+chunk)>key.size:
            up.copy_part_from_key(bucket.name,key.name,part,mark,key.size-1)
            print "processing blocks",mark,"to",key.size,"::part",part
        else:        
            up.copy_part_from_key(bucket.name,key.name,part,mark,mark+chunk)
            print "processing blocks",mark,"to",(mark+chunk),"::part",part
            mark = mark+chunk+1
            part+=1

    up.complete_upload()

except RuntimeError as e:
    print '[BROKEN]:', e