Defined a `platypush.backend.http.ws` package with all the routes, a
base `WSRoute` class that all the websocket routes can extend, and a
logic in the HTTP backend to automatically scan the package to register
exposed websocket routes.
It was just too painful to find a combination of versions of gunicorn,
gevent, eventlet, pyuwsgi etc. that could work on all of my systems.
On the other hand, Tornado works out of the box with no headaches.
Also in this commit:
- Updated a bunch of outdated/required integration dependencies.
- Black'd and LINTed a couple of old plugins.
The eventlet API has way too many dependency issues with gunicorn.
Still TODO: Fix or at least mitigate the WSGI workers timeout issue when
they handle websocket connections.
The websocket service is no longer provided by a different service,
controlled by a different thread running on another port.
Instead, it's now exposed directly over Flask routes, using
WSGI+eventlet+simple_websocket.
Also, the SSL context options have been removed from `backend.http`, for
sake of simplicity. If you want to enable SSL, you can serve Platypush
through a reverse proxy like nginx.
Instead of iterating over each of the entities in a grouping to find out
which groups should be displayed based on the selector's policy, the
selector can directly keep its `selectedGroups` attribute in sync with
the index.
Added `waitress` dependency. For performance and security reasons, it's
better to always run the Flask application inside of a uWSGI server.
`waitress` also makes things easier by avoiding to ask the user to
manually provide the external executable arguments, as it was the case
with `uwsgi` and `gunicorn`.
It was broken by the previous refactor of the entities panel, which no
longer triggers the `watch` callback on the upstream `entityGroups`.
The new approach listens for entity updates on the frontend bus and
dynamically creates the entity groupings in `selectedGroups` if they are
missing.
Unlike the other entity groupings, which are 4-layered (`grouping ->
group -> entity_id -> entity`), the grouping by ID only needs 3 layers
(`grouping -> entity_id -> entity`).
- Don't recalculate entity groups every time. Instead, keep them in sync
every time an entity is added or removed.
- Removed `computedChildren` from the entity component - no null nodes
are guaranteed to be passed now, so there's no need for another
iteration on the list of children.
- `childrenByParentId` now only looks in the scope of the entity's
children instead of searching all the entities.
The animation has a big impact on page loading performance when the
system includes a high number of entities that all need their loading
animation to be render.
Multiple style improvements for the entity components. Among these:
- A more consistent style for entity values and toggler buttons.
- Fixed overflowing/underflowing entities on smaller/larger screen
sizes.
- Simplified the stylesheets for many entities as many component classes
have now been moved to `common.scss`.
The entity name and value in the component header may be arbitrarily
long and rendered on small screens.
We therefore need to ensure that the text won't overflow the screen
width.
Plus, `platypush.schemas.system` has now been split into multiple
submodules to avoid a single-file mega-module with all the system
schemas definitions.
There are probably more optimal ways of achieving this other than
passing a reference to the full list of entities to each of the
entities, such as running a BFS to recursively expand all the entities
within the child hierarchy of an entity.
This is needed because the entity needs to know which entities aren't
direct children, but are two or more layers down in the hierarchy, so
they should be passed to their own child entities.
Remove `backend.sensor.distance` and `gpio.sensor.distance`. They are
now replaced by the `sensor.hcsr04` integration, which is compatible
with the new `SensorPlugin` API.
Removed `backend.sensor.dht` and `gpio.sensor.dht`. They have been
merged into the new `sensor.dht` integration, which supports the new
`SensorPlugin` API.
Removed `backend.sensor.accelerometer` and `gpio.sensor.accelerometer`.
The logic has now been merged in the new `sensor.lis3dh` integration,
which is compatible with the new `SensorPlugin` API.
Removed legacy `backend.sensor.motion.pmw3901` and
`gpio.sensor.motion.pmw3901`. They have been merged in the new
`sensor.pmw3901` integration, compatible with the new `SensorPlugin`
API.
Removed the old `backend.sensor.bme280` and the old `gpio.sensor.bme280`
plugin. They have now been merged into the new `sensor.bme280` runnable
plugin, which extends the `SensorPlugin` API and supports entities.
`backend.serial` has been removed and the polling logic merged into the
`serial` plugin.
The `serial` plugin now supports the new entity engine as well.