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__init__.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2014 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Fixtures extension."""
from __future__ import print_function
from .registry import fixtures
def load_fixtures(sender, yes_i_know=False, drop=True, **kwargs):
"""Load fixtures.
Loads classes found in 'packages' to the database. Names of the fixture
classes should end with 'Data' suffix.
:param packages: packages with fixture classes to load
:param truncate_tables_first: if True truncates tables before loading
the fixtures
"""
from invenio.ext.sqlalchemy import db, models
from fixture import SQLAlchemyFixture
# Load SQLAlchemy models.
list(models)
models = dict((m.__name__ + 'Data', m) for m in db.Model.__subclasses__())
missing = set(fixtures.keys()) - set(models.keys())
if len(missing):
raise Exception(
'Cannot match models for the following fixtures classes {0}'.format(
missing
))
print(">>> There are", len(fixtures.keys()), "tables to be loaded.")
SQLAlchemyFixture(
env=models, engine=db.metadata.bind, session=db.session
).data(*fixtures.values()).setup()
db.session.commit()
def fixture_dump(sender, **kwargs):
"""Dump fixtures."""
print('ERROR: This feature is not implemented inside fixtures.')
def setup_app(app):
"""Set up the extension for the given app."""
# Subscribe to database post create command
from invenio.base import signals
from invenio.base.scripts.database import create, recreate, dump
signals.post_command.connect(load_fixtures, sender=create)
signals.post_command.connect(load_fixtures, sender=recreate)
signals.post_command.connect(fixture_dump, sender=dump)

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