Source code for renku.core.models.projects
# -*- coding: utf-8 -*-
#
# Copyright 2017-2019 - Swiss Data Science Center (SDSC)
# A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
# Eidgenössische Technische Hochschule Zürich (ETHZ).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Model objects representing projects."""
import datetime
import attr
from renku.core.models import jsonld
from renku.core.models.datasets import Creator
from renku.core.models.datastructures import Collection
from renku.core.utils.datetime8601 import parse_date
[docs]@jsonld.s(
type=[
'schema:Project',
'prov:Location',
],
context={
'schema': 'http://schema.org/',
'prov': 'http://www.w3.org/ns/prov#'
},
translate={
'http://schema.org/name': 'http://xmlns.com/foaf/0.1/name',
'http://schema.org/Project': 'http://xmlns.com/foaf/0.1/Project'
},
slots=True,
)
class Project(object):
"""Represent a project."""
name = jsonld.ib(default=None, context='schema:name')
created = jsonld.ib(
converter=parse_date,
context='schema:dateCreated',
)
updated = jsonld.ib(
converter=parse_date,
context='schema:dateUpdated',
)
version = jsonld.ib(
converter=str,
default='2',
context='schema:schemaVersion',
)
client = attr.ib(default=None, kw_only=True)
creator = jsonld.ib(default=None, kw_only=True, context='schema:creator')
_id = jsonld.ib(context='@id', kw_only=True, default=None)
@created.default
@updated.default
def _now(self):
"""Define default value for datetime fields."""
return datetime.datetime.now(datetime.timezone.utc)
def __attrs_post_init__(self):
"""Initialize computed attributes."""
if not self.creator and self.client:
if self.client.renku_metadata_path.exists():
self.creator = Creator.from_commit(
self.client.find_previous_commit(
self.client.renku_metadata_path, return_first=True
),
)
else:
# this assumes the project is being newly created
self.creator = Creator.from_git(self.client.repo)
if not self._id and self.client:
self._id = self.client.project_id
[docs]class ProjectCollection(Collection):
"""Represent projects on the server.
**Example**
Create a project and check its name.
# >>> project = client.projects.create(name='test-project')
# >>> project.name
# 'test-project'
"""
[docs] def create(self, name=None, **kwargs):
"""Create a new project.
:param name: The name of the project.
:returns: An instance of the newly create project.
:rtype: renku.core.models.projects.Project
"""
data = self._client.api.create_project({'name': name})
return self.Meta.model(data, client=self._client, collection=self)
def __getitem__(self, project_id):
"""Get an existing project by its id."""
return self.Meta.model(
self._client.api.get_project(project_id),
client=self._client,
collection=self
)
def __iter__(self):
"""Return all projects."""
return (
self.Meta.model(data, client=self._client, collection=self)
for data in self._client.api.list_projects()
)