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annotate Resources/OrthancWSIClearCache.py @ 277:ac1508b438b1 iiif

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support of "Accept" header in /wsi/tiles/{id}/{z}/{x}/{y}
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 Jul 2023 16:14:19 +0200
parents 20a730889ae2
children 7020852a8fa9
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1 #!/usr/bin/python
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2
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3 # Orthanc - A Lightweight, RESTful DICOM Store
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4 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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5 # Department, University Hospital of Liege, Belgium
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6 # Copyright (C) 2017-2023 Osimis S.A., Belgium
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7 # Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 #
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9 # This program is free software: you can redistribute it and/or
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10 # modify it under the terms of the GNU Affero General Public License
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11 # as published by the Free Software Foundation, either version 3 of
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12 # the License, or (at your option) any later version.
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13 #
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14 # This program is distributed in the hope that it will be useful, but
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15 # WITHOUT ANY WARRANTY; without even the implied warranty of
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16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 # Affero General Public License for more details.
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18 #
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19 # You should have received a copy of the GNU Affero General Public License
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20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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21
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22
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23 import base64
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24 import httplib2
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25 import json
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26 import os
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27 import sys
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29 if len(sys.argv) != 3 and len(sys.argv) != 5:
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30 print("""
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31 Script to reinitialize the cache of the whole-slide imaging plugin for
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32 Orthanc. Please make sure that Orthanc is running before starting this
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33 script.
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34
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35 Usage: %s [hostname] [HTTP port]
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36 Usage: %s [hostname] [HTTP port] [username] [password]
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37 For instance: %s 127.0.0.1 8042
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38 """ % (sys.argv[0], sys.argv[0], sys.argv[0]))
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39 exit(-1)
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42 METADATA=4200
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45 def RunHttpRequest(uri, method, body = None):
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46 http = httplib2.Http()
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47 headers = { }
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48
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49 if len(sys.argv) == 5:
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50 username = sys.argv[4]
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51 password = sys.argv[5]
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53 # h.add_credentials(username, password)
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55 # This is a custom reimplementation of the
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56 # "Http.add_credentials()" method for Basic HTTP Access
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57 # Authentication (for some weird reason, this method does not
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58 # always work)
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59 # http://en.wikipedia.org/wiki/Basic_access_authentication
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60 headers['authorization'] = 'Basic ' + base64.b64encode(username + ':' + password)
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62 url = 'http://%s:%d/%s' % (sys.argv[1], int(sys.argv[2]), uri)
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63 resp, content = http.request(url, method,
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64 body = body,
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65 headers = headers)
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66
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67 if resp.status != 200:
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68 raise Exception('Cannot %s on URL %s, HTTP status %d '
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69 '(Is Orthanc running? Is there a password?)' %
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70 (method, url, resp.status))
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71 else:
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72 return content.decode('utf8')
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75 for instance in json.loads(RunHttpRequest('/instances', 'GET')):
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76 print('Clearing cache for instance %s' % instance)
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77 RunHttpRequest('/instances/%s/metadata/%s' % (instance, METADATA), 'DELETE')
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79 print('The WSI cache was successfully cleared')