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#!/usr/bin/env python3
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# Contest Management System - http://cms-dev.github.io/
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# Copyright © 2011-2013 Luca Wehrstedt <luca.wehrstedt@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from cmsranking.Entity import Entity, InvalidData
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class Subchange(Entity):
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"""The entity representing a change in the status of a submission.
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It consists of the following properties:
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- submission (unicode): the key of the affected submission
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- time (int): the time the change takes effect
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- score (float): optional, the new score
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- token (bool): optional, the new token status
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- extra ([unicode]): optional, the new details
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"""
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def __init__(self):
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"""Set the properties to some default values.
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"""
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Entity.__init__(self)
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self.submission = None
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self.time = None
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self.score = None
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self.token = None
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self.extra = None
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@staticmethod
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def validate(data):
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"""Validate the given dictionary.
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See if it contains a valid representation of this entity.
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"""
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try:
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assert isinstance(data, dict), \
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"Not a dictionary"
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assert isinstance(data['submission'], str), \
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"Field 'submission' isn't a string"
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assert isinstance(data['time'], int), \
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"Field 'time' isn't an integer (unix timestamp)"
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if 'score' in data:
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assert isinstance(data['score'], float), \
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"Field 'score' isn't a float"
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if 'token' in data:
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assert isinstance(data['token'], bool), \
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"Field 'token' isn't a boolean"
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if 'extra' in data:
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assert isinstance(data['extra'], list), \
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"Field 'extra' isn't a list of strings"
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for i in data['extra']:
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assert isinstance(i, str), \
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"Field 'extra' isn't a list of strings"
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except KeyError as exc:
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raise InvalidData("Field %s is missing" % exc)
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except AssertionError as exc:
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raise InvalidData(str(exc))
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def set(self, data):
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self.validate(data)
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self.submission = data['submission']
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self.time = data['time']
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self.score = (data['score'] if 'score' in data else None)
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self.token = (data['token'] if 'token' in data else None)
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self.extra = (data['extra'] if 'extra' in data else None)
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def get(self):
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result = self.__dict__.copy()
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del result['key']
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for field in ['score', 'token', 'extra']:
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if result[field] is None:
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del result[field]
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return result
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def consistent(self, stores):
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return "submission" not in stores \
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or self.submission in stores["submission"]
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andreyv