47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# 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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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import collections
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import os
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from six.moves.urllib import parse
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def env(*args, **kwargs):
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for arg in args:
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value = os.environ.get(arg)
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if value:
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return value
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return kwargs.get('default', '')
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def dict_update(d, u):
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"""Recursively update 'd' with 'u' and return the result."""
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if not isinstance(u, collections.Mapping):
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return u
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for k, v in u.items():
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if isinstance(v, collections.Mapping):
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d[k] = dict_update(d.get(k, {}), v)
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else:
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d[k] = u[k]
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return d
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def get_query_string(search_opts):
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if search_opts:
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qparams = sorted(search_opts.items(), key=lambda x: x[0])
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query_string = "?%s" % parse.urlencode(qparams, doseq=True)
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else:
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query_string = ""
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return query_string
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