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omero_tools.py
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omero_tools.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
## Copyright (C) 2018 David Pinto <david.pinto@bioch.ox.ac.uk>
##
## This program 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 3 of the License, or
## (at your option) any later version.
##
## This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import omero.gateway
import omero.util.sessions
def get_connection():
store = omero.util.sessions.SessionsStore()
if store.count() < 1:
raise RuntimeError('no OMERO sessions around')
session_props = store.get_current()
session_uuid = session_props[2]
if not session_uuid:
raise RuntimeError('current session has no UUID')
conn = omero.gateway.BlitzGateway(host=session_props[0],
port=session_props[3])
if not conn.connect(session_uuid):
raise RuntimeError('failed to connect to session')
return conn