Add pylint configuration file (pylintrc) and do_pylint.sh script which runs pylint checkers on Melange code using pylintrc file as config. do_pylint.sh as default shows additional information like reports, TODOs, code similarities and unused imports, but you can run it in silent mode (--silent) which disables all of that. The only problem with unused imports in pylint right now is that it doesn't work in the situation described in last example at http://code.google.com/p/soc/wiki/PythonStyleGuide#Packages, so sometimes we get unused import soc when we actually shouldn't. However this can be fixed by writing pylint plugins (our own checkers) in future. Patch by: Pawel Solyga Review by: to-be-reviewed

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class LazyUser(object):

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    def __get__(self, request, obj_type=None):

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        if not hasattr(request, '_cached_user'):

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            from django.contrib.auth import get_user

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            request._cached_user = get_user(request)

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        return request._cached_user

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class AuthenticationMiddleware(object):

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    def process_request(self, request):

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        assert hasattr(request, 'session'), "The Django authentication middleware requires session middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'django.contrib.sessions.middleware.SessionMiddleware'."

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        request.__class__.user = LazyUser()

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        return None