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1
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from urllib import quote
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2
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import json
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3
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import pkg_resources
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4
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5
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class VersionMiddleware(object):
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6
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ENTROUVERT_PACKAGES = [
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7
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'wcs',
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8
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'wcs-au-quotidien',
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9
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'authentic2',
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10
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'polynum',
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11
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'appli_project',
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12
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'passerelle',
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13
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'docbow',
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14
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'calebasse',
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15
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'compte-agglo-montpellier',
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16
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'python-entrouvert',
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17
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'nose',
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18
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'portail-citoyen',
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19
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'portail-citoyen-announces',
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20
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'compte-meyzieu',
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21
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]
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22
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VERSION = 1
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23
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24
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def __init__(self, application):
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25
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self.application = application
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26
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27
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def __call__(self, environ, start_response):
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28
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path = ''
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29
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path += quote(environ.get('SCRIPT_NAME', ''))
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30
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path += quote(environ.get('PATH_INFO', ''))
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31
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method = environ.get('REQUEST_METHOD', 'GET')
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32
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if method == 'GET' and path == '/__version__':
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33
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packages_version = self.get_packages_version()
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34
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start_response('200 Ok', [('content-type', 'application/json')])
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35
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return [json.dumps(packages_version)]
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36
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return self.application(environ, start_response)
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37
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38
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@classmethod
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39
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def get_packages_version(cls):
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40
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packages_version = {}
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41
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for distribution in tuple(pkg_resources.WorkingSet()):
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42
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project_name = distribution.project_name
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43
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version = distribution.version
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44
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if project_name in cls.ENTROUVERT_PACKAGES:
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45
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packages_version[project_name] = version
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46
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return packages_version
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