signals.py
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	# -- coding: utf-8 --

	# This file is part of Invenio.
	# Copyright (C) 2013 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.

	from blinker import Namespace
	_signals = Namespace()

	template_context_created = _signals.signal('template-context-created')
	"""
	This signal is sent right before collection is saved.
	Sender is the blueprint. Extra data pass is:

	* context
	"""

	file_uploaded = _signals.signal('file-uploaded')
	"""
	This signal is sent right after a file has been uploaded.
	Sender is the deposition type. Extra data pass is:

	* user_id: Id of user uploading the file.
	* uuid: Workflow id.
	* name: Filename
	* file: Full path of file
	* size: Size of file
	* id: unique file id
	* content_type:
	* deposition: The deposition object to which the file belongs
	* deposition_file: The DepositionFile object
	"""