Mercurial > hg > orthanc

annotate Resources/Samples/Python/RestToolbox.py @ 3349:ef18ea68a362

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author Alain Mazy <alain@mazy.be>
date Thu, 18 Apr 2019 15:52:56 +0200
parents 4e43e67f8ecf
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1 # Orthanc - A Lightweight, RESTful DICOM Store
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2 # Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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3 # Department, University Hospital of Liege, Belgium
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4 # Copyright (C) 2017-2019 Osimis S.A., Belgium
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5 #
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6 # This program is free software: you can redistribute it and/or
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7 # modify it under the terms of the GNU General Public License as
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8 # published by the Free Software Foundation, either version 3 of the
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9 # License, or (at your option) any later version.
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10 #
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11 # This program is distributed in the hope that it will be useful, but
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12 # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 # General Public License for more details.
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15 #
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16 # You should have received a copy of the GNU General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19
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20 import httplib2
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21 import json
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22 import sys
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23
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24 if (sys.version_info >= (3, 0)):
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25 from urllib.parse import urlencode
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26 else:
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27 from urllib import urlencode
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28
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29
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30 _credentials = None
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31
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32
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33 def _DecodeJson(s):
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34 try:
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35 if (sys.version_info >= (3, 0)):
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36 return json.loads(s.decode())
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37 else:
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38 return json.loads(s)
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39 except:
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40 return s
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41
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42
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43 def SetCredentials(username, password):
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44 global _credentials
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45 _credentials = (username, password)
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46
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47 def _SetupCredentials(h):
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48 global _credentials
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49 if _credentials != None:
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50 h.add_credentials(_credentials[0], _credentials[1])
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51
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52 def _ComputeGetUri(uri, data):
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53 d = ''
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54 if len(data.keys()) > 0:
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55 d = '?' + urlencode(data)
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56
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57 return uri + d
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58
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59 def DoGet(uri, data = {}, interpretAsJson = True):
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60 h = httplib2.Http()
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61 _SetupCredentials(h)
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62 resp, content = h.request(_ComputeGetUri(uri, data), 'GET')
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63 if not (resp.status in [ 200 ]):
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64 raise Exception(resp.status)
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65 elif not interpretAsJson:
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66 return content.decode()
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67 else:
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68 return _DecodeJson(content)
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70
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71 def DoRawGet(uri, data = {}):
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72 h = httplib2.Http()
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73 _SetupCredentials(h)
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74 resp, content = h.request(_ComputeGetUri(uri, data), 'GET')
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75 if not (resp.status in [ 200 ]):
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76 raise Exception(resp.status)
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77 else:
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78 return content
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80
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81 def _DoPutOrPost(uri, method, data, contentType):
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82 h = httplib2.Http()
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83 _SetupCredentials(h)
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84
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85 if isinstance(data, str):
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86 body = data
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87 if len(contentType) != 0:
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88 headers = { 'content-type' : contentType }
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89 else:
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90 headers = { 'content-type' : 'text/plain' }
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91 else:
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92 body = json.dumps(data)
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93 headers = { 'content-type' : 'application/json' }
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94
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95 resp, content = h.request(
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96 uri, method,
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97 body = body,
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98 headers = headers)
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99
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100 if not (resp.status in [ 200, 302 ]):
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101 raise Exception(resp.status)
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102 else:
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103 return _DecodeJson(content)
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104
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105
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106 def DoDelete(uri):
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107 h = httplib2.Http()
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108 _SetupCredentials(h)
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109 resp, content = h.request(uri, 'DELETE')
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110
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111 if not (resp.status in [ 200 ]):
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112 raise Exception(resp.status)
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113 else:
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114 return _DecodeJson(content)
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115
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116
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117 def DoPut(uri, data = {}, contentType = ''):
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118 return _DoPutOrPost(uri, 'PUT', data, contentType)
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121 def DoPost(uri, data = {}, contentType = ''):
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122 return _DoPutOrPost(uri, 'POST', data, contentType)