flaskshell.py
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	# -- coding: utf-8 --
	##
	## This file is part of Invenio.
	## Copyright (C) 2012 CERN.
	##
	## Invenio is free software; you can redistribute it and/or
	## modify it under the terms of the GNU General Public License as
	## published by the Free Software Foundation; either version 2 of the
	## License, or (at your option) any later version.
	##
	## Invenio is distributed in the hope that it will be useful, but
	## WITHOUT ANY WARRANTY; without even the implied warranty of
	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	## General Public License for more details.
	##
	## You should have received a copy of the GNU General Public License
	## along with Invenio; if not, write to the Free Software Foundation, Inc.,
	## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

	"""
	This module implement a helper for interactive shell or commandline tools.
	"""

	# STEP 1 - Import Invenio Flask Application constructor and database object.
	from invenio.webinterface_handler_flask import create_invenio_flask_app
	from invenio.sqlalchemyutils import db

	# STEP 2 - Create application object and initialize database.
	app = create_invenio_flask_app()

	# STEP 3 - Create fake application request context and use it.
	ctx = app.test_request_context()
	ctx.push()
	# For explanation see: http://flask.pocoo.org/docs/shell/#firing-before-after-request
	app.preprocess_request()