Project Manager

gns3server/modules/project_manager.py

@@ -0,0 +1,63 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2015 GNS3 Technologies Inc.
+#
+# This program 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 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import aiohttp
+from .project import Project
+
+
+class ProjectManager:
+    """
+    This singleton, keep track of available projects.
+    """
+
+    def __init__(self):
+        self._projects = {}
+
+    @classmethod
+    def instance(cls):
+        """
+        Singleton to return only one instance of BaseManager.
+
+        :returns: instance of Manager
+        """
+
+        if not hasattr(cls, "_instance"):
+            cls._instance = cls()
+        return cls._instance
+
+    def get_project(self, project_id):
+        """
+        Returns a Project instance.
+
+        :param project_id: Project identifier
+
+        :returns: Project instance
+        """
+
+        if project_id not in self._projects:
+            raise aiohttp.web.HTTPNotFound(text="Project UUID {} doesn't exist".format(project_id))
+        return self._projects[project_id]
+
+    def create_project(self, **kwargs):
+        """
+        Create a project and keep a references to it in project manager.
+
+        See documentation of Project for arguments
+        """
+        project = Project(**kwargs)
+        self._projects[project.uuid] = project
+        return project

tests/modules/test_project.py

@@ -23,7 +23,7 @@ def test_affect_uuid():
     p = Project()
     assert len(p.uuid) == 36
 
-    p = Project(uuid = '00010203-0405-0607-0809-0a0b0c0d0e0f')
+    p = Project(uuid='00010203-0405-0607-0809-0a0b0c0d0e0f')
     assert p.uuid == '00010203-0405-0607-0809-0a0b0c0d0e0f'
 
 def test_path(tmpdir):

tests/modules/test_project_manager.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2015 GNS3 Technologies Inc.
+#
+# This program 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 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import aiohttp
+import pytest
+from gns3server.modules.project_manager import ProjectManager
+
+
+def test_create_project():
+    pm = ProjectManager.instance()
+    project = pm.create_project(uuid='00010203-0405-0607-0809-0a0b0c0d0e0f')
+    assert project == pm.get_project('00010203-0405-0607-0809-0a0b0c0d0e0f')
+
+def test_project_not_found():
+    pm = ProjectManager.instance()
+    with pytest.raises(aiohttp.web.HTTPNotFound):
+        pm.get_project('00010203-0405-0607-0809-000000000000')
+