Identify shippers and valid tracking numbers from package barcodes
Identify shippers and valid tracking numbers from package barcodes.
A package barcode string is tested against known shipper barcode types, matching the format and calculating checksum validity to identify the type provided. The module supports these barcode formats:
- FedEx Express
- FedEx Ground “96”
- USPS IMpb
- USPS UPU S10
- USPS 20
Note: For some shippers the package barcode is the same as the tracking number, while for others the tracking number is a subset of the barcode. Inputting a tracking number instead of a barcode will work in some cases but not others.
Begin by importing the Drogher module:
>>> import drogher
Now, call the barcode function with a package barcode string:
>>> package = drogher.barcode('1Z999AA10123456784')
That returns a Package subclass containing some useful information:
>>> package.barcode '1Z999AA10123456784' >>> package.shipper 'UPS' >>> package.tracking_number '1Z999AA10123456784'
We can also ensure the package is valid, which tells us the barcode matched an expected format and the calculated checksum matches the check digit:
>>> package.is_valid True
If a barcode cannot be matched with a shipper, the class does not validate and the shipper is None:
>>> package = drogher.barcode('123456') >>> package.is_valid False >>> package.shipper None
For some shippers, the barcode is not the same as the tracking number:
>>> package = drogher.barcode('420221539101026837331000039521') >>> package.barcode '420221539101026837331000039521' >>> package.tracking_number '9101026837331000039521' >>> package.shipper 'USPS'
- Improved pattern match for USPS IMpb barcodes
- Added support for 20 character USPS barcodes
- Initial release
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