comparison doc/developer.rst @ 4077:d6837db456fd

refactoring: fix names in doc following modules hierarchy refactoring
author Goffi <goffi@goffi.org>
date Fri, 02 Jun 2023 17:38:37 +0200
parents 524856bd7b19
children 00852dd54695
comparison
equal deleted inserted replaced
4076:b620a8e882e1 4077:d6837db456fd
15 migrations. 15 migrations.
16 16
17 SQLite_ is currently the only supported database, but it is planned to add support for 17 SQLite_ is currently the only supported database, but it is planned to add support for
18 other ones (notably PostgreSQL), probably during the development of 0.9 version. 18 other ones (notably PostgreSQL), probably during the development of 0.9 version.
19 19
20 The mapping is done in ``sat.memory.sqla_mapping`` and working with database is done 20 The mapping is done in ``libervia.backend.memory.sqla_mapping`` and working with database is done
21 through high level methods found in ``sat.memory.sqla``. 21 through high level methods found in ``libervia.backend.memory.sqla``.
22 22
23 Before the move to SQLAlchemy, there was a strict separation between database 23 Before the move to SQLAlchemy, there was a strict separation between database
24 implementation and the rest of the code. With 0.9, objects mapping to database can be used 24 implementation and the rest of the code. With 0.9, objects mapping to database can be used
25 and manipulated directly outside of ``sat.memory.sqla`` to take profit of SQLAlchemy 25 and manipulated directly outside of ``libervia.backend.memory.sqla`` to take profit of SQLAlchemy
26 possibilities. 26 possibilities.
27 27
28 Database state is detected when the backend starts, and the database will be created or 28 Database state is detected when the backend starts, and the database will be created or
29 migrated automatically if necessary. 29 migrated automatically if necessary.
30 30
31 To create a new migration script, ``Alembic`` may be used directly. To do so, be sure to 31 To create a new migration script, ``Alembic`` may be used directly. To do so, be sure to
32 have an up-to-date database (and a backup in case of troubles), then activate the virtual 32 have an up-to-date database (and a backup in case of troubles), then activate the virtual
33 environment where Libervia is installed (Alembic needs to access ORM mapping), go to 33 environment where Libervia is installed (Alembic needs to access ORM mapping), go to
34 ``sat/memory/migration`` directory, and enter the following command:: 34 ``libervia/backend/memory/migration`` directory, and enter the following command::
35 35
36 alembic revision --autogenerate -m "some revision message" 36 alembic revision --autogenerate -m "some revision message"
37 37
38 This will create a base migration file in ``versions`` directory. Adapt it to your needs, 38 This will create a base migration file in ``versions`` directory. Adapt it to your needs,
39 try to create both ``upgrade`` and ``downgrade`` method whenever possible, and be sure to 39 try to create both ``upgrade`` and ``downgrade`` method whenever possible, and be sure to
60 analysers are checked, and the first one matching is used to determine if the node must be 60 analysers are checked, and the first one matching is used to determine if the node must be
61 synchronised or not. 61 synchronised or not.
62 62
63 Analysers can be registered by any plugins using ``register_analyser`` method: 63 Analysers can be registered by any plugins using ``register_analyser`` method:
64 64
65 .. automethod:: sat.plugins.plugin_pubsub_cache.PubsubCache.register_analyser 65 .. automethod:: libervia.backend.plugins.plugin_pubsub_cache.PubsubCache.register_analyser
66 66
67 If no analyser is found, ``to_sync`` is false, or an error happens during the caching, 67 If no analyser is found, ``to_sync`` is false, or an error happens during the caching,
68 the node won't be synchronised and the pubsub service will always be requested. 68 the node won't be synchronised and the pubsub service will always be requested.
69 69
70 Specifying an optional **parser** will store parsed data in addition to the raw XML of the 70 Specifying an optional **parser** will store parsed data in addition to the raw XML of the