62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
"""
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A set of request processors that return dictionaries to be merged into a
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template context. Each function takes the request object as its only parameter
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and returns a dictionary to add to the context.
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These are referenced from the setting TEMPLATE_CONTEXT_PROCESSORS and used by
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DjangoContext.
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"""
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from django.conf.settings import DEBUG, INTERNAL_IPS, LANGUAGES, LANGUAGE_CODE
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def auth(request):
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"""
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Returns context variables required by apps that use Django's authentication
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system.
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"""
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return {
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'user': request.user,
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'messages': request.user.get_and_delete_messages(),
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'perms': PermWrapper(request.user),
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}
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def debug(request):
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"Returns context variables helpful for debugging."
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context_extras = {}
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if DEBUG and request.META.get('REMOTE_ADDR') in INTERNAL_IPS:
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context_extras['debug'] = True
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from django.core import db
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context_extras['sql_queries'] = db.db.queries
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return context_extras
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def i18n(request):
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context_extras = {}
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context_extras['LANGUAGES'] = LANGUAGES
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if hasattr(request, 'LANGUAGE_CODE'):
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context_extras['LANGUAGE_CODE'] = request.LANGUAGE_CODE
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else:
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context_extras['LANGUAGE_CODE'] = LANGUAGE_CODE
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return context_extras
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def request(request):
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return {'request': request}
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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_permission_list())
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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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