Mercurial > hg > orthanc
view Resources/Samples/Python/ChangesLoop.py @ 1753:faf2ecab3472 db-changes
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 27 Oct 2015 20:31:34 +0100 |
parents | 6e7e5ed91c2d |
children | b1291df2f780 |
line wrap: on
line source
#!/usr/bin/python # Orthanc - A Lightweight, RESTful DICOM Store # Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics # Department, University Hospital of Liege, Belgium # # This program is free software: you can redistribute it and/or # modify it under the terms of the GNU General Public License as # published by the Free Software Foundation, either version 3 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import time import sys import RestToolbox ## ## Print help message ## if len(sys.argv) != 3: print(""" Sample script that continuously monitors the arrival of new DICOM images into Orthanc (through the Changes API). Usage: %s [hostname] [HTTP port] For instance: %s localhost 8042 """ % (sys.argv[0], sys.argv[0])) exit(-1) URL = 'http://%s:%d' % (sys.argv[1], int(sys.argv[2])) ## ## The following function is called each time a new instance is ## received. ## def NewInstanceReceived(path): global URL patientName = RestToolbox.DoGet(URL + path + '/content/PatientName') # Remove the possible trailing characters due to DICOM padding patientName = patientName.strip() print('New instance received for patient "%s": "%s"' % (patientName, path)) ## ## Main loop that listens to the changes API. ## current = 0 while True: r = RestToolbox.DoGet(URL + '/changes', { 'since' : current, 'limit' : 4 # Retrieve at most 4 changes at once }) for change in r['Changes']: # We are only interested interested in the arrival of new instances if change['ChangeType'] == 'NewInstance': # Call the callback function path = change['Path'] NewInstanceReceived(path) # Delete the instance once it has been discovered RestToolbox.DoDelete(URL + path) current = r['Last'] if r['Done']: print('Everything has been processed: Waiting...') time.sleep(1)