django-gtin-fields
Provides django model fields to store and validate commonly used GTIN related product identifiers.
Requirements
Tested on all combinations of:
- Python 3.4, 3.5, 3.6
- Django 1.8, 1.9, 1.10
Installation
Using Pypi
$ pip install django-gtin-fieldsUsage
Add gtin_fields to INSTALLED_APPS:
# settings.py
INSTALLED_APPS = (
...
'gtin_fields',
)Use whichever fields you want in your models.
from django.db import models
from gtin_fields import ISBNField
class Product(models.Model):
...
isbn = ISBNField() # ISBN-10 or ISBN-13
upc = UPCAField() # UPC-A field (12 digit standard UPC)
ean = EAN13Field() # EAN-13
gtin = GTIN14Field() # GTIN-14
# Amazon Standard Identification Number (not GTIN but related)
asin = ASINField() # 10-digit, alphanumeric
asin = ASINField(strict=True) # ASIN w/ additional standard pattern rulesConverters can help you coerce from some codes to some other desired codes. For example:
from gtin_fields import converters
# 6 digit UPC-E
converters.upce_to_upca('425261') # => '042100005264' (UPC-A)
# 8 digit UPC-E
converters.upce_to_upca('04252614') # => '042100005264' (UPC-A)
# UPC-A to GTIN-14
converters.upca_to_gtin14('142100005264') # => "00142100005264' (GTIN-14)
# EAN-13 to GTIN-14
converters.ean_to_gtin14('3142100005264') # => "01142100005264' (GTIN-14)
# EAN-8 (GTIN-8) to GTIN-14
converters.gtin8_to_gtin14('66425261') # => '00000066425261' (GTIN-14)
# UPC-A (GTIN-12) to EAN-13 / GTIN-13
converters.upca_to_ean13('142100005264') # => '0142100005264' (EAN-13)Can also use gtin_fields.validators elsewhere (in DRF, for instance).
TODO
- Move GTIN-14 validation code upstream to stdnum
- Implement coverage report through tox
- Upload to pypi
- Set up CI testing with drone
Acknowledgments
Built on the work of countless contributers, but of especial note:
- github user 'secnot' for django-isbn-field, which was used as initial template.
- Arthur de Jong for python-stdnum (used for validation)
- Tim Heap for great pointers on django package testing.
