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comparison OrthancServer/Resources/Samples/Python/ContinuousPatientAnonymization.py @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents Resources/Samples/Python/ContinuousPatientAnonymization.py@94f4a18a79cc
children d9473bd5ed43
comparison
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4043:6c6239aec462 4044:d25f4c0fa160
1 #!/usr/bin/python
2
3 # Orthanc - A Lightweight, RESTful DICOM Store
4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
5 # Department, University Hospital of Liege, Belgium
6 # Copyright (C) 2017-2020 Osimis S.A., Belgium
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]
41 For instance: %s 127.0.0.1 8042
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)