Safrone

from polymorphic.managers import PolymorphicManager
from polymorphic.models import PolymorphicModel
from .query import RelatedPolymorphicQuerySet, RelatedPolymorphicModel, RelatedPolymorphicManager


class ProjectManager(RelatedPolymorphicManager):
  pass

class ProjectManager2(PolymorphicManager):
  pass

Safrone

from django.db.models import CASCADE, SET_DEFAULT, SET_NULL, PROTECT, QuerySet, Q
from django.db.models.expressions import F
from django.db.models.functions import Cos, Sqrt, ASin


class ExampleModel(models.Model):
    # Example model that could use this function
    latitude = models.FloatField()
    longitude = models.FloatField()
    

Safrone

// Decode decodes an array of bytes into an object.
//  - fPort contains the LoRaWAN fPort number
//  - bytes is an array of bytes, e.g. [225, 230, 255, 0]
// The function must return an object, e.g. {"temperature": 22.5}
/*
@reference https://elsys.se/public/documents/Sensor_payload.pdf

Sensors Name                            Designation
------------------------------------------------------------
Sound Sensor                            ERS Sound

Safrone

### settings
"""
SWAGGER_SETTINGS = {
  ...
  'DEFAULT_FIELD_INSPECTORS': [
    'project.utils.PolymorphicSerializerInspector',
    'drf_yasg.inspectors.CamelCaseJSONFilter',
    'drf_yasg.inspectors.ReferencingSerializerInspector',
    'drf_yasg.inspectors.RelatedFieldInspector',
    'drf_yasg.inspectors.ChoiceFieldInspector',

Safrone

// Decode decodes an array of bytes into an object.
//  - fPort contains the LoRaWAN fPort number
//  - bytes is an array of payload, e.g. [225, 230, 255, 0]
// The function must return an object, e.g. {"temperature": 22.5}
function Decode(fPort, bytes) {
    /**
     * @reference https://github.com/myDevicesIoT/cayenne-docs/blob/master/docs/LORA.md
     *
     * Added types for Tektelic Sensor
     * Adapted for lora-app-server from https://gist.github.com/iPAS/e24970a91463a4a8177f9806d1ef14b8

Safrone

from matplotlib import ticker
from matplotlib.dates import DateFormatter, _from_ordinalf

class ConditionalDateFormatter(ticker.Formatter):
  def __init__(self, fmt: str, fmt_conditional: str, date_condition: Callable[[datetime], bool], tz=None):
    """
      A formatter for dates in matplotlib plots where the output format string changes based on a condition.

      Args:
        fmt (str): regular format string