django-measurement

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Django Measurement

Easily use, manipulate, and store unit-aware measurement objects using Python and Django.

django.contrib.gis.measure <https://github.com/django/django/blob/master/django/contrib/gis/measure.py>_ has these wonderful 'Distance' objects that can be used not only for storing a unit-aware distance measurement, but also for converting between different units and adding/subtracting these objects from one another.

This module provides for a django model field and admin interface for storing any measurements provided by python-measurement_.

Example use with a model:

.. code-block:: python

from django_measurement.models import MeasurementField from measurement.measures import Volume from django.db import models

class BeerConsumptionLogEntry(models.Model): name = models.CharField(max_length=255) volume = MeasurementField(measurement=Volume)

   def __str__(self):
       return f"{self.name} of {self.volume}"

entry = BeerConsumptionLogEntry() entry.name = "Bear Republic Racer 5" entry.volume = Volume(us_pint=1) entry.save()

These stored measurement objects can be used in all of the usual ways supported by python-measurement_ too:

.. code-block:: python

from measurement.measures import Mass weight_1 = Mass(lb=125) weight_2 = Mass(kg=40) added_together = weight_1 + weight_2 added_together Mass(lb=213.18497680735112) added_together.kg # Maybe I actually need this value in kg? 96.699

• Documentation for django-measurement is available via Read the Docs_.
• Please post issues on GitHub_.

.. _Read the Docs: https://django-measurement.readthedocs.io/ .. _GitHub: https://github.com/coddingtonbear/django-measurement/issues .. _python-measurement: https://github.com/coddingtonbear/python-measurement

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