Multiple storage backends

This scenario takes place in the context of multiple storage backends.

First, we'll create the storage manager:

>>> from calcore import cal
>>> m = cal.StorageManager()

Our storage manager needs to have actual storages to work with. We'll create two, each with a unique name:

>>> storage1 = cal.MemoryStorage('storage1')
>>> storage2 = cal.MemoryStorage('storage2')

They need to be added to the manager:

>>> m.addStorage(storage1)
>>> m.addStorage(storage2)

The default storage new events will be created in is the first.

Now let's create some people:

>>> s = cal.SimpleAttendeeSource(m)
>>> martijn = s.createIndividual('martijn', 'Martijn')
>>> lennart = s.createIndividual('lennart', 'Lennart')

Martijn creates an event:

>>> from datetime import datetime, timedelta
>>> event = martijn.createEvent(
...   datetime(2005, 4, 10, 16, 00),
...   timedelta(minutes=60),
...   title="Martijn's Event")

This should show up in storage1, so let's take a peek:

>>> april = (datetime(2005, 4, 1), datetime(2005, 5, 1))
>>> events = storage1.getEvents(april, None)
>>> len(events)
1
>>> events[0].title
"Martijn's Event"

It won't be in storage2:

>>> storage2.getEvents(april, None)
[]

Now let's change the preferred storage of the storage manager:

>>> m.setNewEventStorage('storage2')

And let's add another event:

>>> event2 = lennart.createEvent(
...   datetime(2005, 4, 11, 16, 00),
...   timedelta(minutes=60),
...   title="Lennart's Event")

It should show up in storage2:

>>> events = storage2.getEvents(april, None)
>>> len(events)
1
>>> events[0].title
"Lennart's Event"

And it won't be in storage1, which will still have a single event:

>>> events = storage1.getEvents(april, None)
>>> len(events)
1