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handlers

sensor.signals.handlers ¤

Attributes¤

User = get_user_model() module-attribute ¤

Classes¤

Sensor ¤

Bases: PermissionsBase

Specific sensor details.

Attributes:

Name Type Description
sensor_id int

Primary key, sensor id.

code

(str) sensor code.

sensor_type SensorType

sensor type.

sensor_brand SensorBrand

sensor brand.

model str

specific model of the sensor.

serial str

serial number of the sensor.

status bool

sensor status.

Functions¤
__str__() ¤

Return the sensor code.

Source code in sensor\models.py
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def __str__(self) -> str:
    """Return the sensor code."""
    return str(self.code)
get_absolute_url() ¤

Return the absolute url of the sensor.

Source code in sensor\models.py
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def get_absolute_url(self) -> str:
    """Return the absolute url of the sensor."""
    return reverse("sensor:sensor_detail", kwargs={"pk": self.pk})

SensorBrand ¤

Bases: PermissionsBase

Brand of the sensor, eg. Davis, Texas Electronics, etc.

Attributes:

Name Type Description
brand_id

int, primary key, sensor brand id.

name

str, sensor brand name.

Functions¤
__str__() ¤

Return the brand name.

Source code in sensor\models.py
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def __str__(self) -> str:
    """Return the brand name."""
    return str(self.name)
get_absolute_url() ¤

Return the absolute url of the sensor brand.

Source code in sensor\models.py
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def get_absolute_url(self) -> str:
    """Return the absolute url of the sensor brand."""
    return reverse("sensor:sensorbrand_detail", kwargs={"pk": self.pk})

SensorType ¤

Bases: PermissionsBase

Type of sensor, eg. pluviometric, wind sensor, etc.

Attributes:

Name Type Description
sensor_type_id

int, primary key, sensor type id.

name

str, sensor type name.

Functions¤
__str__() ¤

Return the sensor type name.

Source code in sensor\models.py
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def __str__(self) -> str:
    """Return the sensor type name."""
    return str(self.name)
get_absolute_url() ¤

Return the absolute url of the sensor type.

Source code in sensor\models.py
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def get_absolute_url(self) -> str:
    """Return the absolute url of the sensor type."""
    return reverse("sensor:sensortype_detail", kwargs={"pk": self.pk})

Functions¤

set_model_permissions(sender, **kwargs) ¤

Set model-level permissions.

Source code in sensor\signals\handlers.py
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@receiver(post_migrate)
def set_model_permissions(sender, **kwargs):
    """Set model-level permissions."""
    for model in [
        SensorType,
        SensorBrand,
        Sensor,
    ]:
        model.set_model_permissions()

set_object_permissions(sender, instance, **kwargs) ¤

Set object-level permissions".

Source code in sensor\signals\handlers.py
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@receiver(post_save, sender=SensorType)
@receiver(post_save, sender=SensorBrand)
@receiver(post_save, sender=Sensor)
def set_object_permissions(sender, instance, **kwargs):
    """Set object-level permissions"."""
    instance.set_object_permissions()