Mercurial > hg > orthanc
annotate Resources/Samples/Python/ContinuousPatientAnonymization.py @ 2244:a3a65de1840f
shared copyright with osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jan 2017 12:09:40 +0100 |
| parents | 65b1ce7cb84f |
| children | 878b59270859 |
| rev | line source |
|---|---|
| 1340 | 1 #!/usr/bin/python |
| 2 | |
| 3 # Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1340 | 5 # Department, University Hospital of Liege, Belgium |
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6 # Copyright (C) 2017 Osimis, Belgium |
| 1340 | 7 # |
| 8 # This program is free software: you can redistribute it and/or | |
| 9 # modify it under the terms of the GNU General Public License as | |
| 10 # published by the Free Software Foundation, either version 3 of the | |
| 11 # License, or (at your option) any later version. | |
| 12 # | |
| 13 # This program is distributed in the hope that it will be useful, but | |
| 14 # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 # General Public License for more details. | |
| 17 # | |
| 18 # You should have received a copy of the GNU General Public License | |
| 19 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 | |
| 22 | |
| 23 import time | |
| 24 import sys | |
| 25 import RestToolbox | |
| 26 import md5 | |
| 27 | |
| 28 | |
| 29 ## | |
| 30 ## Print help message | |
| 31 ## | |
| 32 | |
| 33 if len(sys.argv) != 3: | |
| 34 print(""" | |
| 35 Sample script that anonymizes patients in real-time. A patient gets | |
| 36 anonymized as soon as she gets stable (i.e. when no DICOM instance has | |
| 37 been received for this patient for a sufficient amount of time - cf. | |
| 38 the configuration option "StableAge"). | |
| 39 | |
| 40 Usage: %s [hostname] [HTTP port] | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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41 For instance: %s 127.0.0.1 8042 |
| 1340 | 42 """ % (sys.argv[0], sys.argv[0])) |
| 43 exit(-1) | |
| 44 | |
| 45 URL = 'http://%s:%d' % (sys.argv[1], int(sys.argv[2])) | |
| 46 | |
| 47 | |
| 48 | |
| 49 ## | |
| 50 ## The following function is called whenever a patient gets stable | |
| 51 ## | |
| 52 | |
| 53 COUNT = 1 | |
| 54 | |
| 55 def AnonymizePatient(path): | |
| 56 global URL | |
| 57 global COUNT | |
| 58 | |
| 59 patient = RestToolbox.DoGet(URL + path) | |
| 60 patientID = patient['MainDicomTags']['PatientID'] | |
| 61 | |
| 62 # Ignore anonymized patients | |
| 63 if not 'AnonymizedFrom' in patient: | |
| 64 print('Patient with ID "%s" is stabilized: anonymizing it...' % (patientID)) | |
| 65 | |
| 66 # The PatientID after anonymization is taken as the 8 first | |
| 67 # characters from the MD5 hash of the original PatientID | |
| 68 anonymizedID = md5.new(patientID).hexdigest()[:8] | |
| 69 anonymizedName = 'Anonymized patient %d' % COUNT | |
| 70 COUNT += 1 | |
| 71 | |
| 72 RestToolbox.DoPost(URL + path + '/anonymize', | |
| 73 { 'Replace' : { 'PatientID' : anonymizedID, | |
| 74 'PatientName' : anonymizedName } }) | |
| 75 | |
| 76 # Delete the source patient after the anonymization | |
| 77 RestToolbox.DoDelete(URL + change['Path']) | |
| 78 | |
| 79 | |
| 80 | |
| 81 ## | |
| 82 ## Main loop that listens to the changes API. | |
| 83 ## | |
| 84 | |
| 85 current = 0 | |
| 86 while True: | |
| 87 r = RestToolbox.DoGet(URL + '/changes', { | |
| 88 'since' : current, | |
| 89 'limit' : 4 # Retrieve at most 4 changes at once | |
| 90 }) | |
| 91 | |
| 92 for change in r['Changes']: | |
| 93 if change['ChangeType'] == 'StablePatient': | |
| 94 AnonymizePatient(change['Path']) | |
| 95 | |
| 96 current = r['Last'] | |
| 97 | |
| 98 if r['Done']: | |
| 99 print('Everything has been processed: Waiting...') | |
| 100 time.sleep(1) |