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Convenient fields and classes for handling measurements

Project description

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

django.contrib.gis.measure 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:

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

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

    def __str__(self):
        return '%s of %s' % (self.name, 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:

>>> from measurement.measures import Weight
>>> weight_1 = Weight(lb=125)
>>> weight_2 = Weight(kg=40)
>>> added_together = weight_1 + weight_2
>>> added_together
Weight(lb=213.184976807)
>>> added_together.kg  # Maybe I actually need this value in kg?
96.699
https://travis-ci.org/latestrevision/django-measurement.png?branch=master

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Filename, size & hash SHA256 hash help File type Python version Upload date
django-measurement-1.2.tar.gz (8.0 kB) Copy SHA256 hash SHA256 Source None Sep 7, 2013

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