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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011 Free Software Foundation, Inc
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import sys

DISPLAY_IMAGE_FETCHING_ORDER = [u'medium', u'original', u'thumb']

global TESTS_ENABLED
TESTS_ENABLED = False

def import_component(import_string):
    """
    Import a module component defined by STRING.  Probably a method,
    class, or global variable.

    Args:
     - import_string: a string that defines what to import.  Written
       in the format of "module1.module2:component"
    """
    module_name, func_name = import_string.split(':', 1)
    __import__(module_name)
    module = sys.modules[module_name]
    func = getattr(module, func_name)
    return func