def create(project, creator):
# If the project argument is an integer then get
# project by `id`, otherwise by `address`
try:
project_id = int(project)
except ValueError:
project_id = None
if project_id:
project = Project.objects.get(id=project_id)
else:
project = Project.objects.get(address=project)
# Check that there are no open checkouts for the
# project (for some projects/editors/permissions this may be
# able to be relaxed in the future)
checkouts_open = Checkout.objects.filter(
Q(project=project) & (Q(status=OPEN) | Q(status=LAUNCHING)))
if checkouts_open:
# TODO Terminate the open checkout if they have not been `saved`
# for more than a certain period of time
checkout = checkouts_open[0]
raise CheckoutCreateError(
type='exists',
message='You already have a checkout open for this project',
data={'url': checkout.editor.url})
# Currently, create a native editor
# In the future, this the editor class might be chosen
# by the user
editor = Editor.create('native')
# Currently, create a native execution host
# In the future, this the editor class might be chosen
# by the user
host = Host.create('native')
return Checkout.objects.create(project=project,
editor=editor,
host=host,
creator=creator)
