132 lines
3.8 KiB
Python
132 lines
3.8 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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try:
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import cPickle as pickle
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except ImportError:
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import pickle
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import bs4
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import string
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import iso8601
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from muranodashboard.dynamic_ui import yaql_expression
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import pytz
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import six
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import yaql
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# WrappingColumn is only available in N-horizon
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# This make murano-dashboard compatible with Mitaka-horizon
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try:
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from horizon.tables import WrappingColumn as Column
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except ImportError:
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from horizon.tables import Column as Column # noqa
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def parse_api_error(api_error_html):
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error_html = bs4.BeautifulSoup(api_error_html)
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body = error_html.find('body')
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if (not body or not body.text):
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return None
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h1 = body.find('h1')
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if h1:
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h1.replace_with('')
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return body.text.strip()
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def ensure_python_obj(obj):
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mappings = {'True': True, 'False': False, 'None': None}
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return mappings.get(obj, obj)
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def adjust_datestr(request, datestr):
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tz = pytz.timezone(request.session.get('django_timezone'))
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dt = iso8601.parse_date(datestr).astimezone(tz)
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return dt.strftime('%Y-%m-%d %H:%M:%S')
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class Bunch(object):
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"""Bunch dict/object-like container.
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Bunch container provides both dictionary-like and
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object-like attribute access.
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"""
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def __init__(self, **kwargs):
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for key, value in six.iteritems(kwargs):
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setattr(self, key, value)
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def __getitem__(self, item):
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return getattr(self, item)
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def __setitem__(self, key, value):
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setattr(self, key, value)
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def __delitem__(self, key):
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delattr(self, key)
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def __contains__(self, item):
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return hasattr(self, item)
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def __iter__(self):
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return iter(six.itervalues(self.__dict__))
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class BlankFormatter(string.Formatter):
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"""Utility class aimed to provide empty string for non-existent keys."""
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def __init__(self, default=''):
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self.default = default
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def get_value(self, key, args, kwargs):
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if isinstance(key, str):
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return kwargs.get(key, self.default)
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else:
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return string.Formatter.get_value(self, key, args, kwargs)
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class CustomPickler(object):
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"""Custom pickle object to perform correct serializing.
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YAQL Engine is not serializable and it's not necessary to store
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it in cache. This class replace YAQL Engine instance to string.
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"""
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def __init__(self, file, protocol=0):
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pickler = pickle.Pickler(file, protocol)
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pickler.persistent_id = self.persistent_id
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self.dump = pickler.dump
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self.clear_memo = pickler.clear_memo
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def persistent_id(self, obj):
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if isinstance(obj, yaql.factory.YaqlEngine):
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return "filtered:YaqlEngine"
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else:
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return None
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class CustomUnpickler(object):
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"""Custom pickle object to perform correct deserializing.
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This class replace filtered YAQL Engine to the real instance.
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"""
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def __init__(self, file):
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unpickler = pickle.Unpickler(file)
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unpickler.persistent_load = self.persistent_load
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self.load = unpickler.load
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self.noload = getattr(unpickler, 'noload', None)
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def persistent_load(self, obj_id):
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if obj_id == 'filtered:YaqlEngine':
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return yaql_expression.YAQL
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else:
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raise pickle.UnpicklingError('Invalid persistent id')
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