SQLite Full-Text Search stable are not associated to Python object and can't be detected
by Alembic. To avoid the generation of unwanted drop commands, they are now ignored when
autogenerating migration scripts.
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SQLite specific behaviour with autoincrement (https://sqlite.org/autoinc.html) is actually
already handled by SQLAlchemy, and unsetting autoincrement cause troubles when storing new
objects.
a first Alembic revision file is joined to migrate existing databases to new mapping.
This patch:
- set `nullable=False` in various places
- drop legacy `message_types` table, and use `Enum` instead
- use naming convention, and get rid of anonymous constraint (this is the main reason
why the revision file is so long)
Alembic database migration tool, which is the recommended one for SQLAlchemy has been
integrated. When a database is created, it will be used to stamp to current (head)
revision, otherwise, DB will be checked to see if it needs to be updated, and upgrade will
be triggered if necessary.
Some f-strings where used in translatable text, this has been fixed by using explicit
`format()` call (using a script based on `tokenize`).
As tokenize messes with spaces, a reformating tool (`black`) has been applied to some
files afterwards.
- fixes coroutines handling in various places
- fixes types which are not serialised by Tx DBus
- XEP-0384: call storage methods in main thread in XEP: Python OMEMO's Promise use thread
which prevent the use of AsyncIO loop. To work around that, callLater is used to launch
storage method in main thread. This is a temporary workaround, as Python OMEMO should
get rid of Promise implementation and threads soon.
this method is used by `getFiles` and `setFile` and fill `owner` when it's missing to
avoid getting accidentally files from other users.
`owner` is not filled in some case (no client, `file_id` or `parent` specified) and an
exception is raised if a component has neither `owner` nor `peer_jid` specified.
using public permissions by default makes permissions change more easy as we don't have to
recursively change all permissions of sub files when changing directory. Root directories
are private by default.
