# Pastebin 02DZJydB
#!/usr/bin/python
# quick and dirty tag modifier
# Created by Antonizoon for the Bibliotheca Anonoma Field Research Team.

# parameters
identifier = 'intfolder-com'
new_subject = '4chan;Reaction Images;'

from internetarchive import get_item

# obtain existing metadata for given item
item = get_item(identifier)
subject = item.metadata['subject']

# append new subject to existing subject
new_subject = subject + new_subject
r = item.modify_metadata(dict(subject=meta['subject']))

# check if metadata sucessfully modified
if (r.status_code != 200):
	print("New subjects '%s' sucessfully appended." % new_subject)
else:
	print("Failed to add new subjects.")