subquery.py
7f4ad8578106production

subquery.py
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			"""Sub-query stuff, for things we would otherwise let Eve embed (but don't want to).

			Uses app.cache.memoize() to cache the results. However, since this decorator needs
			to run in Flask Application context, it is manually applied in setup_app().
			"""

			import pillarsdk
			from pillar.web.system_util import pillar_api


			def get_user_info(user_id):
			"""Returns email, username and full name of the user.

			Only returns the public fields, so the return value is the same
			for authenticated & non-authenticated users, which is why we're
			allowed to cache it globally.

			Returns an empty dict when the user cannot be found.
			"""

			if user_id is None:
			return {}

			user = pillarsdk.User.find(user_id, api=pillar_api())
			if not user:
			return {}

			return {'email': user.email,
			'full_name': user.full_name,
			'username': user.username}


			def setup_app(app):
			global get_user_info

			decorator = app.cache.memoize(timeout=300, make_name='%s.get_user_info' % __name__)
			get_user_info = decorator(get_user_info)