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subdirectory and updating all relevant imports. Move of the circular
import problems have been eliminated in the process.
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enables a few interesting things:
1. It makes it easier to do our "pillars of storage" idea, where list data and
messages could live in one database, but user information live in a
separate database.
2. It reduces the number of moving parts. SQLAlchemy and Elixir can both go
away in favor of just one database layer.
3. No more Unicode/string mush hell. Somewhere along the way the upgrade to
SQLAlchemy 0.4 and Elixir 0.4 made the strings coming out the database
sometimes Unicode and sometimes 8-bit. This was totally unpredictable.
Storm asserts that if a property is declared Unicode, it comes in and goes
out as Unicode.
4. 'flush' is gone.
One cost of this is that Storm does not yet currently support schema
generation. So I cheat by dumping the trunk's SQLite schema and using that as
a starting place for the Storm-based schema. I hope that Storm will
eventually address this.
Other related changes include:
- SQLALCHEMY_ENGINE_URL is renamed to DEFAULT_DATABASE_URL. This may still
get changed.
Things I still want to fix:
- Ickyness with clearing the databases.
- Really implement multiple stores with better management of the Store
instances.
- Fix all the circular import nasties.
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0.4. Lots of things changes, which broke lots of our code. There are still a
couple of failures in the test suite that I don't understand. It seems that
for pending.txt and requests.txt, sometimes strings come back from the
database as 8-bit strings and other times as unicodes. It's impossible to
make these tests work both separately and together.
users.txt is also failing intermittently. Lots of different behavior between
running the full test suite all together and running individual tests. Sigh.
Note also that actually, Elixir 0.4.0 doesn't work for us. There's a bug in
that version that prevented zope.interfaces and Elixir working together. Get
the latest 0.4.0 from source to fix this.
Other changes include:
- Remove Mailman/lockfile.py. While I haven't totally eliminated locking, I
have released the lockfile as a separate Python package called locknix,
which Mailman 3.0 now depends on.
- Renamed Mailman/interfaces/messagestore.py and added an IMessage interface.
- bin/testall raises turns on SQLALCHEMY_ECHO when the verbosity is above 3
(that's three -v's because the default verbosity is 1).
- add_domain() in config files now allows url_host to be optional. If not
given, it defaults to email_host.
- Added a non-public interface IDatabase._reset() used by the test suite to
zap the database between doctests. Added an implementation in the model
which just runs through all rows in all entities, deleting them.
- [I]Pending renamed to [I]Pended
- Don't allow Pendings.add() to infloop.
- In the model's User impelementations, we don't need to append or remove the
address when linking and unlinking. By setting the address.user attribute,
SQLAlchemy appears to do the right thing, though I'm not 100% sure of that
(see the above mentioned failures).
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they were previously known are now gone. Rosters, rather than being a
database entity that collects users, is now just a filter on the member
database. This way, we can use generic rosters to search for regular members,
digest members, owners, or moderators. More advanced rosters can do all kinds
of other membership queries. But rosters no longer need to be a database
entity.
Users have a name, password, optional preferences, and a set of addresses, but
users are not subscribed to mailing lists.
Addresses have the email address, some verification information, and optional
preferences.
Members tie an address to a mailing list, through a role, with optional
preferences.
Other changes here include:
MailList.fqdn_listname() moved to the MailingList model entity.
Added MemberRole enum and SystemDefaultPreferences to Mailman.constants.
Profiles are renamed to Preferences (same with the interface), but the files
are not yet moved. This happens later.
We mostly don't need has_*() relationships on the entity classes, because we
generally don't need the reverse relationship. Use belongs_to() because that
creates the foreign key, even though the wording seems counter intuitive.
IAddress.subscribe() added.
Tell Elixir to use shortnames for all tables.
Remove the OldStyleMembership fields from MailingList.
Remove all the interface elements and database fields that talk about rosters
and rostersets.
Convert Version entity to has_field().
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confident the Elixir branch is ready to become mainline. Also, fewer branches
makes for an easier migration to a dvcs.
Don't expect much of the old test suite to work, or even for much of the old
functionality to work. The changes here are disruptive enough to break higher
level parts of Mailman. But that's okay because I am slowly building up a new
and improved test suite, which will lead to a functional system again.
For now, only the doctests in Mailman/docs (and their related test harnesses)
will pass, but they all do pass. Note that Mailman/docs serve as system
documentation first and unit tests second. You should be able to read the
doctest files to understand the underlying data model.
Other changes included in this merge:
- Added the Mailman.ext extension package.
- zope.interfaces uses to describe major components
- SQLAlchemy/Elixir used as the database model
- Top level doinstall target renamed to justinstall
- 3rd-party packages are now installed in pythonlib/lib/python to be more
compliant with distutils standards. This allows us to use just --home
instead of all the --install-* options.
- No longer need to include the email package or pysqlite, as Python 2.5 is
required (and comes with both packages).
- munepy package is included, for Python enums
- IRosterSets are added as a way to manage a collection of IRosters. Roster
sets are named so that we can maintain the indirection between mailing lists
and rosters, where the two are maintained in different storages.
- IMailingListRosters: remove_*_roster() -> delete_*_roster()
- Remove IMember interface.
- Utils.list_names() -> config.list_manager.names
- fqdn_listname() takes an optional hostname argument.
- Added a bunch of new exceptions used throughout the new interfaces.
- Make LockFile a context manager for use with the 'with' statement.
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