Tom Kralidis
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# =================================================================
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#
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# Authors: Tom Kralidis <tomkralidis@gmail.com>
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#
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# Copyright (c) 2018 Tom Kralidis
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation
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# files (the "Software"), to deal in the Software without
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# restriction, including without limitation the rights to use,
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# copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following
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# conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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# =================================================================
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import importlib
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PROVIDERS = {
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'CSV': 'pygeoapi.provider.csv.CSVProvider',
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'Elasticsearch': 'pygeoapi.provider.elasticsearch.ElasticsearchProvider',
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'GeoJSON': 'pygeoapi.provider.geojson.GeoJSONProvider'
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}
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def load_provider(provider_obj):
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"""
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loads provider by name
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:param provider_obj: provider definition dictionary
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:returns: provider object
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"""
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provider_name = provider_obj['type']
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if provider_name not in PROVIDERS.keys():
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raise InvalidProviderError('provider not found')
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packagename, classname = PROVIDERS[provider_name].rsplit('.', 1)
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module = importlib.import_module(packagename)
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class_ = getattr(module, classname)
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provider = class_(provider_obj)
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return provider
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class InvalidProviderError(Exception):
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"""invalid provider"""
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pass
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