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invenio.wsgi
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# -*- coding: utf-8 -*-
## This file is part of Invenio.
## Copyright (C) 2009, 2010, 2011, 2012, 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.
"""
mod_wsgi Invenio application loader.
"""
from invenio import config
# Start remote debugger if appropriate:
try:
from .config import CFG_REMOTE_DEBUGGER_ENABLED, \
CFG_REMOTE_DEBUGGER_WSGI_LOADING
if CFG_REMOTE_DEBUGGER_ENABLED:
from invenio.utils import remote_debugger
remote_debugger.start_file_changes_monitor()
if CFG_REMOTE_DEBUGGER_WSGI_LOADING:
remote_debugger.start()
except:
pass
# wrap warnings (usually from sql queries) to log the traceback
# of their origin for debugging
try:
from invenio.ext.logging import wrap_warn
wrap_warn()
except:
pass
# pre-load citation dictionaries upon WSGI application start-up (the
# citation dictionaries are loaded lazily, which is good for CLI
# processes such as bibsched, but for web user queries we want them to
# be available right after web server start-up):
try:
from invenio.legacy.bibrank.citation_searcher import get_citedby_hitset, \
get_refersto_hitset
get_citedby_hitset(None)
get_refersto_hitset(None)
except:
pass
## You can't write to stdout in mod_wsgi, but some of our
## dependecies do this! (e.g. 4Suite)
import sys
sys.stdout = sys.stderr
try:
from invenio.base.factory import create_app
application = create_app()
finally:
## mod_wsgi uses one thread to import the .wsgi file
## and a second one to instantiate the application.
## Therefore we need to close redundant conenctions that
## are allocated on the 1st thread.
from invenio.legacy.dbquery import close_connection
close_connection()
if 'werkzeug-debugger' in getattr(config, 'CFG_DEVEL_TOOLS', []):
from werkzeug.debug import DebuggedApplication
application = DebuggedApplication(application, evalex=True)
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