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122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2016 Red Hat, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Written by Petr Šabata <contyk@redhat.com>
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# Ralph Bean <rbean@redhat.com>
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"""Database handler functions."""
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from sqlalchemy import Column, Integer, String, ForeignKey, create_engine
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from sqlalchemy.orm import sessionmaker, relationship
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from sqlalchemy.ext.declarative import declarative_base
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class RidaBase(object):
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# TODO -- we can implement functionality here common to all our model
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# classes.
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pass
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Base = declarative_base(cls=RidaBase)
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class Database(object):
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"""Class for handling database connections."""
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def __init__(self, rdburl=None, debug=False):
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"""Initialize the database object."""
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if not isinstance(rdburl, str):
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rdburl = "sqlite:///rida.db"
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engine = create_engine(rdburl, echo=debug)
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Session = sessionmaker(bind=engine)
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self._session = Session()
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@property
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def session(self):
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"""Database session object."""
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return self._session
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@classmethod
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def create_tables(cls, db_url, debug=False):
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""" Creates our tables in the database.
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:arg db_url, URL used to connect to the database. The URL contains
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information with regards to the database engine, the host to connect
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to, the user and password and the database name.
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ie: <engine>://<user>:<password>@<host>/<dbname>
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:kwarg debug, a boolean specifying wether we should have the verbose
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output of sqlalchemy or not.
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:return a Database connection that can be used to query to db.
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"""
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engine = create_engine(db_url, echo=debug)
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Base.metadata.create_all(engine)
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return cls(db_url, debug=debug)
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class Module(Base):
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__tablename__ = "modules"
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id = Column(Integer, primary_key=True)
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name = Column(String, nullable=False)
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version = Column(String, nullable=False)
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release = Column(String, nullable=False)
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# XXX: Consider making this a proper ENUM
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state = Column(String, nullable=False)
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modulemd = Column(String, nullable=False)
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def json(self):
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return {
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'id': self.id,
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'name': self.name,
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'version': self.version,
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'release': self.release,
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'state': self.state,
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# This is too spammy..
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#'modulemd': self.modulemd,
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# TODO, show their entire .json() ?
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'builds': [build.id for build in self.builds],
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}
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class Build(Base):
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__tablename__ = "builds"
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id = Column(Integer, primary_key=True)
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package = Column(String, nullable=False)
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# XXX: Consider making this a proper ENUM
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format = Column(String, nullable=False)
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task = Column(Integer)
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# XXX: Consider making this a proper ENUM (or an int)
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state = Column(String)
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module_id = Column(Integer, ForeignKey('modules.id'), nullable=False)
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module = relationship('Module', backref='builds', lazy=False)
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def json(self):
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return {
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'id': self.id,
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'package': self.package,
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'format': self.format,
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'task': self.task,
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'state': self.state,
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'module': self.module.id,
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}
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