82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# Copyright (c) 2016 Mirantis Inc.
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#
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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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#
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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
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# 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 base64
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import copy
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from urllib import parse
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def serialize(obj):
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"""Serialize the given object
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:param obj: string representation of the object
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:return: encoded object (its type is unicode string)
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"""
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result = base64.urlsafe_b64encode(obj)
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# this workaround is needed because in case of python 3 the
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# urlsafe_b64encode method returns string of 'bytes' class.
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result = result.decode()
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return result
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def deserialize(obj):
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"""Deserialize the given object
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:param obj: string representation of the encoded object
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:return: decoded object (its type is unicode string)
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"""
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result = base64.urlsafe_b64decode(obj)
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# this workaround is needed because in case of python 3 the
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# urlsafe_b64decode method returns string of 'bytes' class
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result = result.decode()
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return result
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def delete_pagination_params_from_request(request, save_limit=None):
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"""Delete marker and limit parameters from GET requests
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:param request: instance of GET request
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:param save_limit: if True, 'limit' will not be deleted
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:return: instance of GET request without marker or limit
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"""
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request = copy.copy(request)
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request.GET = request.GET.copy()
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params = ['marker']
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if not save_limit:
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params.append('limit')
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for param in ['marker', 'limit']:
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if param in request.GET:
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del(request.GET[param])
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query_string = request.META.get('QUERY_STRING', '')
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query_dict = parse.parse_qs(query_string)
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if param in query_dict:
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del(query_dict[param])
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query_string = parse.urlencode(query_dict, doseq=True)
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request.META['QUERY_STRING'] = query_string
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return request
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def smart_sort_helper(version):
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"""Allows intelligent sorting of plugin versions, for example when
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minor version of a plugin is 11, sort numerically so that 11 > 10,
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instead of alphabetically so that 2 > 11
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"""
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def _safe_cast_to_int(obj):
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try:
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return int(obj)
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except ValueError:
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return obj
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return [_safe_cast_to_int(part) for part in version.split('.')]
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