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import argparse
from flask import Flask, render_template, send_from_directory, request, \
url_for, abort, g, redirect, jsonify
from sqlalchemy import create_engine, MetaData, Table
app = Flask(__name__)
app.config.from_pyfile('config.py')
metadata = MetaData()
## SQL Schema ###############################################################
import enum
from sqlalchemy import Table, Column, Integer, String, MetaData, ForeignKey, \
Enum
# TODO: http://docs.sqlalchemy.org/en/latest/orm/extensions/declarative/mixins.html
class IdState(enum.Enum):
normal = 1
redirect = 2
removed = 3
work_id = Table('work_id', metadata,
Column('id', Integer, primary_key=True, autoincrement=False),
Column('revision', ForeignKey('work_revision.id')),
)
work_revision = Table('work_revision', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('previous', ForeignKey('work_revision.id'), nullable=True),
Column('state', Enum(IdState)),
Column('redirect_id', ForeignKey('work_id.id'), nullable=True),
Column('edit_id', ForeignKey('edit.id')),
Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
Column('title', String),
Column('work_type', String),
Column('date', String),
)
release_id = Table('release_id', metadata,
Column('id', Integer, primary_key=True, autoincrement=False),
Column('revision', ForeignKey('release_revision.id')),
)
release_revision = Table('release_revision', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('previous', ForeignKey('release_revision.id'), nullable=True),
Column('state', Enum(IdState)),
Column('redirect_id', ForeignKey('release_id.id'), nullable=True),
Column('edit_id', ForeignKey('edit.id')),
Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
Column('work', ForeignKey('work_id.id')),
Column('container', ForeignKey('container_id.id')),
Column('title', String),
Column('license', String), # TODO: oa status foreign key
Column('release_type', String), # TODO: foreign key
Column('date', String), # TODO: datetime
Column('doi', String), # TODO: identifier table
)
creator_id = Table('creator_id', metadata,
Column('id', Integer, primary_key=True, autoincrement=False),
Column('revision', ForeignKey('creator_revision.id')),
)
creator_revision = Table('creator_revision', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('previous', ForeignKey('creator_revision.id'), nullable=True),
Column('state', Enum(IdState)),
Column('redirect_id', ForeignKey('creator_id.id'), nullable=True),
Column('edit_id', ForeignKey('edit.id')),
Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
Column('name', String),
Column('sortname', String),
Column('orcid', String), # TODO: identifier table
)
work_contrib = Table('work_contrib', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('work_rev', ForeignKey('work_revision.id'), nullable=False),
Column('creator_id', ForeignKey('creator_id.id'), nullable=False),
Column('stub', String, nullable=False),
)
release_contrib = Table('release_contrib', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('release_rev', ForeignKey('release_revision.id'), nullable=False),
Column('creator_id', ForeignKey('creator_id.id'), nullable=False),
)
container_id = Table('container_id', metadata,
Column('id', Integer, primary_key=True, autoincrement=False),
Column('revision', ForeignKey('container_revision.id')),
)
container_revision = Table('container_revision', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('previous', ForeignKey('container_revision.id'), nullable=True),
Column('state', Enum(IdState)),
Column('redirect_id', ForeignKey('container_id.id'), nullable=True),
Column('edit_id', ForeignKey('edit.id')),
Column('extra_json', ForeignKey('extra_json.sha1'), nullable=True),
Column('name', String),
Column('container', ForeignKey('container_id.id')),
Column('publisher', String), # TODO: foreign key
Column('sortname', String),
Column('issn', String), # TODO: identifier table
)
edit = Table('edit', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('edit_group', ForeignKey('edit_group.id')),
Column('editor', ForeignKey('editor.id')),
Column('description', String),
)
edit_group = Table('edit_group', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('editor', ForeignKey('editor.id')),
Column('description', String),
)
editor = Table('editor', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('username', String),
)
changelog = Table('changelog', metadata,
Column('id', Integer, primary_key=True, autoincrement=True),
Column('edit_id', ForeignKey('edit.id')),
Column('timestamp', Integer),
)
extra_json = Table('extra_json', metadata,
Column('sha1', String, primary_key=True, autoincrement=True),
Column('json', String),
)
## API Methods ##############################################################
@app.route('/health', methods=['GET'])
def health():
return jsonify({'ok': True})
## Entry Point ##############################################################
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--debug',
action='store_true',
help="enable debugging interface")
parser.add_argument('--host',
default="127.0.0.1",
help="listen on this host/IP")
parser.add_argument('--port',
type=int,
default=8040,
help="listen on this port")
parser.add_argument('--database-uri',
default="sqlite:///test.sqlite",
help="sqlalchemy database string")
args = parser.parse_args()
app.config['DATABASE_URI'] = args.database_uri
engine = create_engine(app.config['DATABASE_URI'], convert_unicode=True)
metadata.create_all(bind=engine)
app.run(debug=args.debug, host=args.host, port=args.port)
if __name__ == '__main__':
main()
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