105 lines
3.0 KiB
Python
Executable File
105 lines
3.0 KiB
Python
Executable File
#!/usr/bin/python
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# Orthanc - A Lightweight, RESTful DICOM Store
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# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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# Department, University Hospital of Liege, Belgium
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# Copyright (C) 2017-2023 Osimis S.A., Belgium
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# Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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# Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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#
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# This program is free software: you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import time
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import sys
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import RestToolbox
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import hashlib
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##
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## Print help message
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##
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if len(sys.argv) != 3:
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print("""
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Sample script that anonymizes patients in real-time. A patient gets
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anonymized as soon as she gets stable (i.e. when no DICOM instance has
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been received for this patient for a sufficient amount of time - cf.
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the configuration option "StableAge").
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Usage: %s [hostname] [HTTP port]
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For instance: %s 127.0.0.1 8042
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""" % (sys.argv[0], sys.argv[0]))
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exit(-1)
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URL = 'http://%s:%d' % (sys.argv[1], int(sys.argv[2]))
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##
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## The following function is called whenever a patient gets stable
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##
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COUNT = 1
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def AnonymizePatient(path):
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global URL
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global COUNT
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patient = RestToolbox.DoGet(URL + path)
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patientID = patient['MainDicomTags']['PatientID']
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# Ignore anonymized patients
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if not 'AnonymizedFrom' in patient:
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print('Patient with ID "%s" is stabilized: anonymizing it...' % (patientID))
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# The PatientID after anonymization is taken as the 8 first
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# characters from the MD5 hash of the original PatientID
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h = hashlib.md5(patientID.encode('ascii'))
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anonymizedID = h.hexdigest()[:8]
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anonymizedName = 'Anonymized patient %d' % COUNT
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COUNT += 1
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RestToolbox.DoPost(URL + path + '/anonymize',
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{ 'Replace' : { 'PatientID' : anonymizedID,
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'PatientName' : anonymizedName },
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'Force' : True })
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# Delete the source patient after the anonymization
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RestToolbox.DoDelete(URL + change['Path'])
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##
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## Main loop that listens to the changes API.
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##
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current = 0
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while True:
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r = RestToolbox.DoGet(URL + '/changes', {
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'since' : current,
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'limit' : 4 # Retrieve at most 4 changes at once
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})
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for change in r['Changes']:
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if change['ChangeType'] == 'StablePatient':
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AnonymizePatient(change['Path'])
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current = r['Last']
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if r['Done']:
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print('Everything has been processed: Waiting...')
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time.sleep(1)
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