AdMobilize Malos Library
Project description
A simple Python coroutine based driver for communicating with malos-vision.
License
This application follows the GNU General Public License, as described in the LICENSE file.
Installing
The package is available on PyPI, so you can easily install via pip:
$ pip install matrix-io-malos
Running the CLI client
The library includes a simple command line client to start reading data from your MALOS service right away.
# Get the malosclient help screen
$ malosclient --help
# Get IMU data to STDOUT from a locally running MALOS service
$ malosclient IMU
# Get HUMIDITY data to STDOUT from a remotely running MALOS service
$ malosclient -h 192.168.0.100 HUMIDITY
# Get FACE detection data using a serialized driver config file
$ malosclient --driver-config-file ~/driver_config.proto VISION
Using the MalosDriver
To use the MALOS driver works as an async generator so in your code you can do the following:
import asyncio
import sys
from matrix_io.malos.driver import IMU_PORT, UV_PORT
from matrix_io.proto.malos.v1 import driver_pb2
from matrix_io.proto.malos.v1 import sense_pb2
from matrix_io.malos.driver import MalosDriver
async def imu_data(imu_driver):
async for msg in imu_driver.get_data():
print(sense_pb2.Imu().FromString(msg))
await asyncio.sleep(1.0)
async def uv_data(uv_driver):
async for msg in uv_driver.get_data():
print(sense_pb2.UV().FromString(msg))
await asyncio.sleep(1.0)
async def status_handler(driver):
type_mapping = {
driver_pb2.Status.MESSAGE_TYPE_NOT_DEFINED: "Not Defined",
driver_pb2.Status.STARTED: "Started",
driver_pb2.Status.STOPPED: "Stopped",
driver_pb2.Status.CONFIG_RECEIVED: "Config Received",
driver_pb2.Status.COMMAND_EXECUTED: "Command Executed",
driver_pb2.Status.STATUS_CRITICAL: "Critical",
driver_pb2.Status.STATUS_ERROR: "Error",
driver_pb2.Status.STATUS_WARNING: "Warning",
driver_pb2.Status.STATUS_INFO: "Info",
driver_pb2.Status.STATUS_DEBUG: "Debug"
}
async for msg in driver.get_status():
print(type_mapping[msg.type])
if msg.uuid:
print("UUID: {}".format(msg.uuid))
if msg.message:
print("MESSAGE: {}".format(msg.message))
await asyncio.sleep(1.0)
# Driver configuration
driver_config = driver_pb2.DriverConfig()
# Create the drivers
imu_driver = MalosDriver('localhost', IMU_PORT)
uv_driver = MalosDriver('localhost', UV_PORT)
# Create loop and initialize keep-alive
loop = asyncio.get_event_loop()
loop.run_until_complete(imu_driver.configure(driver_config))
loop.run_until_complete(uv_driver.configure(driver_config))
loop.create_task(imu_driver.start_keep_alive())
loop.create_task(uv_driver.start_keep_alive())
# Initialize data and error handlers
loop.create_task(imu_data(imu_driver))
loop.create_task(uv_data(uv_driver))
loop.create_task(status_handler(imu_driver))
loop.create_task(status_handler(uv_driver))
try:
loop.run_forever()
except KeyboardInterrupt:
print('Shutting down. Bye, bye !', file=sys.stderr)
finally:
loop.stop()
asyncio.gather(*asyncio.Task.all_tasks()).cancel()
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
Who can answer questions about this library?
Heitor Silva <heitor.silva@admobilize.com>
Maciej Ruckgaber <maciek.ruckgaber@admobilize.com>
More Documentation
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