# 📦 Biip
_Biip interprets the data in barcodes._
[](https://github.com/jodal/biip/actions/workflows/tests.yml)
[](https://biip.readthedocs.io/en/latest/)
[](https://codecov.io/gh/jodal/biip)
[](https://pypi.org/project/biip/)
---
Biip is a Python library for making sense of the data in barcodes.
The library can interpret the following formats:
- GTIN-8, GTIN-12, GTIN-13, and GTIN-14 numbers,
commonly found in EAN-8, EAN-13, and ITF-14 barcodes.
- GS1 AI element strings,
commonly found in GS1-128 barcodes.
- UPC-A and UPC-E numbers, as found in UPC-A and UPC-E barcodes.
For a quickstart guide and a complete API reference,
see the [documentation](https://biip.readthedocs.io/).
## Installation
Biip requires Python 3.8 or newer.
Biip is available from [PyPI](https://pypi.org/project/biip/):
```
python3 -m pip install biip
```
Optionally, with the help of `py-moneyed`, Biip can convert amounts with
currency information to `moneyed.Money` objects.
To install Biip with `py-moneyed`, run:
```
python3 -m pip install "biip[money]"
```
## Project resources
- [Documentation](https://biip.readthedocs.io/)
- [Source code](https://github.com/jodal/biip)
- [Releases](https://github.com/jodal/biip/releases)
- [Issue tracker](https://github.com/jodal/biip/issues)
- [Contributors](https://github.com/jodal/biip/graphs/contributors)
- [Users](https://github.com/jodal/biip/wiki/Users)
## Development status
All planned features have been implemented.
Please open an issue if you have any barcode parsing related needs that are not covered.
## Features
- GS1 (multiple Element Strings with Application Identifiers)
- Recognize all specified Application Identifiers.
- Recognize allocating GS1 Member Organization from the GS1 Company Prefix.
- Recognize the GS1 Company Prefix.
- Parse fixed-length Element Strings.
- Parse variable-length Element Strings.
- Support configuring the separation character.
- Parse AI `00` as SSCC.
- Parse AI `01` and `02` as GTIN.
- Parse AI `410`-`417` as GLN.
- Parse dates into `datetime.date` values.
- Interpret the year to be within -49/+50 years from today.
- Interpret dates with day "00" as the last day of the month.
- Parse variable measurement fields into `Decimal` values.
- Parse discount percentage into `Decimal` values.
- Parse amounts into `Decimal` values.
- Additionally, if py-moneyed is installed,
parse amounts with currency into `Money` values.
- Encode as Human Readable Interpretation (HRI),
e.g. with parenthesis around the AI numbers.
- Parse Human Readable Interpretation (HRI) strings.
- Easy lookup of parsed Element Strings by:
- Application Identifier (AI) prefix
- Part of AI's data title
- GLN (Global Location Number)
- Parse.
- Extract and validate check digit.
- Extract GS1 Prefix.
- Extract GS1 Company Prefix.
- GTIN (Global Trade Item Number)
- Parse GTIN-8, e.g. from EAN-8 barcodes.
- Parse GTIN-12, e.g. from UPC-A and UPC-E barcodes.
- Parse GTIN-13, e.g. from EAN-13 barcodes.
- Parse GTIN-14, e.g. from ITF-14 and GS1-128 barcodes.
- Extract and validate check digit.
- Extract GS1 Prefix.
- Extract GS1 Company Prefix.
- Extract packaging level digit from GTIN-14.
- Encode GTIN-8 as GTIN-12/13/14.
- Encode GTIN-12 as GTIN-13/14.
- Encode GTIN-13 as GTIN-14.
- RCN (Restricted Circulation Numbers), a subset of GTINs
- Classification of RCN usage to either a geographical region or a company.
- Parsing of variable measurements (price/weight) into `Decimal`
values.
- Parsing of price values into `Money` values if `py-moneyed` is
installed and the region's RCN parsing rules specifies a currency.
- Denmark: Parsing of weight and price.
- Estland: Parsing of weight.
- Finland: Parsing of weight.
- Germany: Parsing of weight, price, and count, including validation of
measurement check digit.
- Great Britain: Parsing of price, including validation of measurement check
digit.
- Latvia: Parsing of weight.
- Lithuania: Parsing of weight.
- Norway: Parsing of weight and price.
- Sweden: Parsing of weight and price.
- Encode RCN with the variable measure part zeroed out,
to help looking up the correct trade item.
- SSCC (Serial Shipping Container Code)
- Extract and validate check digit.
- Extract GS1 Prefix.
- Extract GS1 Company Prefix.
- Extract extension digit.
- Encode for human consumption, with the logical groups separated by whitespace.
- UPC (Universal Product Code)
- Parse 12-digit UPC-A.
- Parse 6-digit UPC-E, with implicit number system 0 and no check digit.
- Parse 7-digit UPC-E, with explicit number system and no check digit.
- Parse 8-digit UPC-E, with explicit number system and a check digit.
- Expand UPC-E to UPC-A.
- Suppress UPC-A to UPC-E, for the values where it is supported.
- Symbology Identifiers, e.g. `]EO`
- Recognize all specified Symbology Identifier code characters.
- Strip Symbology Identifiers before parsing the remainder.
- Use Symbology Identifiers when automatically selecting what parser to use.
## License
Biip is copyright 2020-2022 Stein Magnus Jodal and contributors.
Biip is licensed under the
[Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0).
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