68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
"""
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(c) Copyright 2016 Hewlett-Packard Enterprise Development Company, L.P.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import sys
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import falcon
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from paste import deploy
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from paste import urlmap
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import pkg_resources
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from freezer_api.cmd import api
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from freezer_api.common import config
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# Define the minimum version of falcon at which we can use the "new" invocation
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# style for middleware (aka v1), i.e. the "middleware" named argument for
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# falcon.API.
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FALCON_MINVERSION_MIDDLEWARE = pkg_resources.parse_version('0.2.0b1')
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def root_app_factory(loader, global_conf, **local_conf):
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"""Allows freezer to launch multiple applications at a time.
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It will allow freezer to manage multiple versions.
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"""
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return urlmap.urlmap_factory(loader, global_conf, **local_conf)
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def freezer_appv1_factory(global_conf, **local_conf):
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current_version = pkg_resources.parse_version(
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falcon.__version__ if hasattr(falcon,
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'__version__') else falcon.version)
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# Check the currently installed version of falcon in order to invoke it
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# correctly.
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if current_version < FALCON_MINVERSION_MIDDLEWARE:
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return api.build_app_v0()
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else:
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return api.build_app_v1()
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def freezer_appv2_factory(global_conf, **local_conf):
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return api.build_app_v2()
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def initialize_app(conf=None, name='main'):
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""" initializing app for paste to deploy it """
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# register and parse arguments
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config.parse_args(args=sys.argv[1:])
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# register logging opts
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config.setup_logging()
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# locate and load paste file
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conf = config.find_paste_config()
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app = deploy.loadapp('config:%s' % conf, name=name)
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return app
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