80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
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"Specialized Context and ModPythonRequest classes for our CMS. Use these!"
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from django.core.template import Context
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from django.utils.httpwrappers import ModPythonRequest
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from django.conf.settings import DEBUG, INTERNAL_IPS
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from pprint import pformat
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class CMSContext(Context):
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"""This subclass of template.Context automatically populates 'user' and
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'messages' in the context. Use this."""
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def __init__(self, request, dict={}):
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Context.__init__(self, dict)
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self['user'] = request.user
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self['messages'] = request.user.get_and_delete_messages()
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self['perms'] = PermWrapper(request.user)
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if DEBUG and request.META['REMOTE_ADDR'] in INTERNAL_IPS:
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self['debug'] = True
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from django.core import db
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self['sql_queries'] = db.db.queries
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# PermWrapper and PermLookupDict proxy the permissions system into objects that
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# the template system can understand.
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class PermLookupDict:
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def __init__(self, user, module_name):
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self.user, self.module_name = user, module_name
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def __repr__(self):
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return str(self.user.get_permissions())
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def __getitem__(self, perm_name):
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return self.user.has_perm("%s.%s" % (self.module_name, perm_name))
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def __nonzero__(self):
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return self.user.has_module_perms(self.module_name)
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class PermWrapper:
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def __init__(self, user):
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self.user = user
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def __getitem__(self, module_name):
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return PermLookupDict(self.user, module_name)
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class CMSRequest(ModPythonRequest):
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"A special version of ModPythonRequest with support for CMS sessions"
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def __init__(self, req):
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ModPythonRequest.__init__(self, req)
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def __repr__(self):
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return '<CMSRequest\npath:%s,\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s,\nuser:%s>' % \
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(self.path, pformat(self.GET), pformat(self.POST), pformat(self.COOKIES),
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pformat(self.META), pformat(self.user))
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def _load_session_and_user(self):
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from django.models.auth import sessions
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from django.conf.settings import AUTH_SESSION_COOKIE
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session_cookie = self.COOKIES.get(AUTH_SESSION_COOKIE, '')
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try:
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self._session = sessions.get_session_from_cookie(session_cookie)
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self._user = self._session.get_user()
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except sessions.SessionDoesNotExist:
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from django.parts.auth import anonymoususers
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self._session = None
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self._user = anonymoususers.AnonymousUser()
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def _get_session(self):
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if not hasattr(self, '_session'):
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self._load_session_and_user()
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return self._session
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def _set_session(self, session):
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self._session = session
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def _get_user(self):
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if not hasattr(self, '_user'):
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self._load_session_and_user()
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return self._user
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def _set_user(self, user):
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self._user = user
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session = property(_get_session, _set_session)
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user = property(_get_user, _set_user)
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