def main(self, image_url, mex_url=None, bisque_token=None, bq=None):
# Allow for testing by passing an alreay initialized session
if bq is None:
bq = BQSession().init_mex(mex_url, bisque_token)
# Fetch the image metadata
image = bq.load(image_url)
# Fetch embedded tags from image service
meta = image.pixels().meta().fetch()
meta = ET.XML(meta)
tags = []
# Create a new tag 'MetaData' to be placed on the image
md = BQTag(name='MetaData')
# Filter the embedded metadata and place subtags in MetaData
for t in meta.getiterator('tag'):
if t.get('name') in wanted_tags:
md.addTag(name=t.get('name'), value=t.get('value'))
# Add the new tag to the image
image.addTag(tag=md)
metadata_tag = bq.save(md, image.uri + "/tag")
bq.finish_mex(tags=[{
'name':
'outputs',
'tag': [{
'name': 'metadata',
'value': metadata_tag.uri,
'type': 'tag'
}]
}])
sys.exit(0)
