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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 Contest(Entity):
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"""The entity representing a contest.
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It consists of the following properties:
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- name (unicode): the human-readable name of the contest
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- begin (int): the unix timestamp at which the contest begins
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- end (int): the unix timestamp at which the contest ends
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- score_precision (int): how many decimal places to show in scores
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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.name = None
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self.begin = None
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self.end = None
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self.score_precision = 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['name'], str), \
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"Field 'name' isn't a string"
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assert isinstance(data['begin'], int), \
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"Field 'begin' isn't an integer"
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assert isinstance(data['end'], int), \
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"Field 'end' isn't an integer"
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assert data['begin'] <= data['end'], \
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"Field 'begin' is greater than 'end'"
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assert isinstance(data['score_precision'], int), \
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"Field 'score_precision' isn't an integer"
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assert data['score_precision'] >= 0, \
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"Field 'score_precision' is negative"
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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.name = data['name']
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self.begin = data['begin']
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self.end = data['end']
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self.score_precision = data['score_precision']
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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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return result
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andreyv