Source code for renku.core.models.projects

# -*- coding: utf-8 -*-
# Copyright 2017-2020 - 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
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.
"""Model objects representing projects."""

import datetime
import os

import attr
from marshmallow import EXCLUDE
from marshmallow.decorators import pre_dump

from renku.core.models import jsonld
from renku.core.models.calamus import JsonLDSchema, Nested, fields, prov, schema
from renku.core.models.datastructures import Collection
from renku.core.models.locals import ReferenceMixin
from renku.core.models.provenance.agents import Person, PersonSchema
from renku.core.utils.datetime8601 import parse_date

PROJECT_URL_PATH = "projects"

[docs]@attr.s(slots=True,) class Project(ReferenceMixin): """Represent a project.""" name = attr.ib(default=None,) created = attr.ib(converter=parse_date,) version = attr.ib(converter=str, default=str(SUPPORTED_PROJECT_VERSION),) agent_version = attr.ib(converter=str, default="pre-0.11.0") client = attr.ib(default=None, kw_only=True) creator = attr.ib(default=None, kw_only=True) _id = attr.ib(kw_only=True, default=None) @created.default def _now(self): """Define default value for datetime fields.""" return def __attrs_post_init__(self): """Initialize computed attributes.""" if not self.creator and self.client: if self.client.renku_metadata_path.exists(): self.creator = Person.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 = Person.from_git(self.client.repo) try: self._id = self.project_id except ValueError: """Fallback to old behaviour.""" if self._id: pass elif self.client and self.client.is_project_set(): self._id = self.client.project._id else: raise @property def project_id(self): """Return the id for the project.""" return generate_project_id(client=self.client,, creator=self.creator)
[docs] @classmethod def from_yaml(cls, path, client=None): """Return an instance from a YAML file.""" data = jsonld.read_yaml(path) self = cls.from_jsonld(data=data, client=client) self.__reference__ = path return self
[docs] @classmethod def from_jsonld(cls, data, client=None): """Create an instance from JSON-LD data.""" if isinstance(data, cls): return data if not isinstance(data, dict): raise ValueError(data) return ProjectSchema(client=client).load(data)
[docs] def to_yaml(self): """Write an instance to the referenced YAML file.""" from renku import __version__ self.agent_version = __version__ data = ProjectSchema().dump(self) jsonld.write_yaml(path=self.__reference__, data=data)
[docs] def as_jsonld(self): """Create JSON-LD.""" return ProjectSchema().dump(self)
[docs]class ProjectCollection(Collection): """Represent projects on the server. **Example** Create a project and check its name. # >>> project = client.projects.create(name='test-project') # >>> # 'test-project' """
[docs] class Meta: """Information about individual projects.""" model = 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() )
[docs]class ProjectSchema(JsonLDSchema): """Project Schema."""
[docs] class Meta: """Meta class.""" rdf_type = [schema.Project, prov.Location] model = Project unknown = EXCLUDE
name = fields.String(, missing=None) created = fields.DateTime(schema.dateCreated, missing=None, format="iso", extra_formats=("%Y-%m-%d",)) version = fields.String(schema.schemaVersion, missing=1) agent_version = fields.String(schema.agent, missing="pre-0.11.0") creator = Nested(schema.creator, PersonSchema, missing=None) _id = fields.Id(init_name="id", missing=None)
[docs] @pre_dump def fix_datetimes(self, obj, many=False, **kwargs): """Pre dump hook.""" if many: return [self.fix_datetimes(o, many=False, **kwargs) for o in obj] obj.created = self._fix_timezone(obj.created) return obj
[docs]def generate_project_id(client, name, creator): """Return the id for the project based on the repo origin remote.""" import pathlib import urllib # Determine the hostname for the resource URIs. # If RENKU_DOMAIN is set, it overrides the host from remote. # Default is localhost. host = "localhost" if not creator: raise ValueError("Project Creator not set") owner ="@")[0] if client: remote = client.remote host = client.remote.get("host") or host owner = remote.get("owner") or owner name = remote.get("name") or name host = os.environ.get("RENKU_DOMAIN") or host if name: name = urllib.parse.quote(name, safe="") else: raise ValueError("Project name not set") project_url = urllib.parse.urljoin(f"https://{host}", pathlib.posixpath.join(PROJECT_URL_PATH, owner, name)) return project_url