Create standard barcodes with Python. No external modules needed. (optional Pillow support included).
This library provides a simple way to create barcodes using only the Python standard lib. The barcodes are created as SVG objects.
Full documentation is published at http://python-barcode.rtfd.io/
Please report any bugs at https://github.com/WhyNotHugo/python-barcode/issues
- Works on Python 3.6 to 3.9
- No visualiser (just use your browser)
- Generate barcodes as SVG files.
- Generate barcodes as images (png, jpeg, etc). Requires Pillow.
The best way is to use pip: pip install python-barcode. Don’t forget to add this to our app’s dependencies.
If you’ll be exporting to images (eg: not just SVG), you’ll need additional optional dependencies, so run: pip install "python-barcode[images]" (keep the quotes, most shells don’t play nice with square brackets).
- Code 39
- Code 128
PRs for other code formats are welcome!
from barcode import EAN13 from barcode.writer import ImageWriter # print to a file-like object: rv = BytesIO() EAN13(str(100000902922), writer=ImageWriter()).write(rv) # or sure, to an actual file: with open('somefile.jpeg', 'wb') as f: EAN13('100000011111', writer=ImageWriter()).write(f)
>>> import barcode >>> barcode.PROVIDED_BARCODES ['code39', 'code128', 'ean', 'ean13', 'ean8', 'gs1', 'gtin', 'isbn', 'isbn10', 'isbn13', 'issn', 'jan', 'pzn', 'upc', 'upca'] >>> EAN = barcode.get_barcode_class('ean13') >>> EAN <class 'barcode.ean.EuropeanArticleNumber13'> >>> ean = EAN('5901234123457') >>> ean <barcode.ean.EuropeanArticleNumber13 object at 0x00BE98F0> >>> fullname = ean.save('ean13_barcode') >>> fullname 'ean13_barcode.svg' # Example with PNG >>> from barcode.writer import ImageWriter >>> ean = EAN('5901234123457', writer=ImageWriter()) >>> fullname = ean.save('ean13_barcode') 'ean13_barcode.png' # New in v0.4.2 >>> from io import BytesIO >>> fp = BytesIO() >>> ean.write(fp) # or >>> f = open('/my/new/file', 'wb') >>> ean.write(f) # Pillow (ImageWriter) produces RAW format here >>> from barcode import generate >>> name = generate('EAN13', '5901234123457', output='barcode_svg') >>> name 'barcode_svg.svg' # with file like object >>> fp = BytesIO() >>> generate('EAN13', '5901234123457', writer=ImageWriter(), output=fp) >>>
Now open ean13_barcode.[svg|png] in a graphic app or simply in your browser and see the created barcode. That’s it.
`$ python-barcode create "123456789000" outfile -b ean --text "text to appear under barcode" ` New barcode saved as outfile.svg. # The following will not work if Pillow is not installed (Pillow is required for exporting to images instead of SVG). $ python-barcode create -t png "My Text" outfile New barcode saved as outfile.png. Try `python-barcode -h` for help.
- Added support for transparent backgrounds. This is done by setting the mode option for a writer to RGBA.
- Removed writer_options from barcode.get. This parameter was not used.
- Add a with_doctype flag to SVGWriter. Set this to false to avoid including a DOCTYPE in the resulting SVG.
- Add support for Pillow>=8.0.0.
- Added basic support for multiline text.
- Dropped lots of older compat-only code and other cleanups.
- Fixed a bug in the API when combining certain barcodes and writers.
- Published documentation again and updated all project references.
- Fix python_barcode.get mixups between options as writer_options. Previously, some writer/barcode combinations worked fine, while others failed. Now all work consistently.
- The cli tool has been fixed and should now work as expected again.
- Added support for GS1-128.
- Officially support Python 3.7
- Refer to Pillow in the docs, rather than PIL.
- Removed buggy Barcode.raw attribute.
- Various CLI errors ironed out.
- Make the default value for writer_options` consistent across writers.
- Fix pushing of releases to GitHub.
- Fix crashes when attempting to use the CLI app.
- Properly include version numbers in SVG comments.
- Improve README rendering, and point to this fork’s location (the outdated README on PyPI was causing some confusion).
- First release under the name python-barcode.
This project is a fork of pyBarcode, which, apparently, is no longer maintained. v0.8.0 is our first release, and is the latest master from that parent project.
- Code 128 added.
- Data for charsets and bars moved to subpackage barcode.charsets.
- Merged in some improvements.
- Fixed some issues with fontsize and fontalignment.
- Added Python 3 support. It’s not well tested yet, but the tests run without errors with Python 3.3. Commandline script added.
- Changed save and write methods to take the options as a dict not as keyword arguments (fix this in your code). Added option to left align the text under the barcode. Fixed bug with EAN13 generation.
- Added new generate function to do all generation in one step.
- Moved writer from a subpackage to a module (this breaks some existing code). UPC is now rendered as real UPC, not as EAN13 with the leading “0”.
- Fixed bug in new write method (related to PIL) and updated docs.
- Added write method to support file like objects as target.
- Bugfix release. Removed redundancy in input validation.
- EAN8 was broken. It now works as expected.
- Removed **options from writers __init__ method. These options never had effect. They were always overwritten by default_options.
- New config option available: text_distance (the distance between barcode and text).
- Basic documentation included. The barcode object now has a new attribute called raw to have the rendered output without saving to disk.
- Support for rendering barcodes as images is implemented. PIL is required to use it.
- Compression for SVG output now works.
- Writer API has changed for simple adding new (own) writers.
- SVG output is now generated with xml.dom module instead of stringformatting (makes it more robust).
- API of render changed. Now render takes keyword arguments instead of a dict.
- More tests added.
- First release.
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