def in_(destdir, instream):
input = json.load(instream)
username = input['source']['username']
password = input['source']['password']
version = input.get('version')
uid = version.get('uid', "") if version is not None else ""
common.msg("logging into gmail as '{0}'".format(username))
g = Gmail()
# login, fail if unable to authenticate
try:
g.login(username, password)
except:
common.msg("unable to log in")
exit(1)
# fetch this particular email
common.msg("fetching email with uid '{0}'".format(uid))
msg = g.fetch_multiple_messages({uid: Message(g.inbox(), uid)})[uid]
# if we haven't found the required email message, then exit
if msg is None or msg.message is None:
common.msg("unable to find email with uid '{0}'".format(uid))
exit(1)
# put it on a file system
common.msg("writing email '{0}' to {1}".format(msg.subject, destdir))
with safe_open(os.path.join(destdir, "email"), 'w') as f:
f.write(json.dumps(toJSON(msg)))
# log out and swallow the error
try:
g.logout()
except:
pass
metadata = [{'name': 'uid', "value": msg.uid}, {'name': 'subject', "value": msg.subject}]
return {'version': {'uid': msg.uid}, 'metadata': metadata}
