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Change log

7.5 (unreleased)

  • Nothing changed yet.

7.4.2 (6 February 2023)

  • Allow pypng factory to allow for saving to a string (like qr.save("some_file.png")) in addition to file-like objects.

7.4.1 (3 February 2023)

  • Fix bad over-optimization in v7.4 that broke large QR codes. Thanks to mattiasj-axis!

7.4 (1 February 2023)

  • Restructure the factory drawers, allowing different shapes in SVG image factories as well.
  • Add a --factory-drawer option to the qr console script.
  • Optimize the output for the SVGPathImage factory (more than 30% reduction in file sizes).
  • Add a pypng image factory as a pure Python PNG solution. If pillow is not installed, then this becomes the default factory.
  • The pymaging image factory has been removed, but its factory shortcut and the actual PymagingImage factory class now just link to the PyPNGImage factory.

7.3.1 (1 October 2021)

  • Improvements for embedded image.

7.3 (19 August 2021)

  • Skip color mask if QR is black and white

7.2 (19 July 2021)

  • Add Styled PIL image factory, allowing different color masks and shapes in QR codes
  • Small performance inprovement
  • Add check for border size parameter

7.1 (1 July 2021)

  • Add --ascii parameter to command line interface allowing to output ascii when stdout is piped
  • Add --output parameter to command line interface to specify output file
  • Accept RGB tuples in fill_color and back_color
  • Add to_string method to SVG images
  • Replace inline styles with SVG attributes to avoid CSP issues
  • Add Python3.10 to supported versions

7.0 (29 June 2021)

  • Drop Python < 3.6 support.

6.1 (14 January 2019)

  • Fix short chunks of data not being optimized to the correct mode.
  • Tests fixed for Python 3

6.0 (23 March 2018)

  • Fix optimize length being ignored in QRCode.add_data.
  • Better calculation of the best mask pattern and related optimizations. Big thanks to cryptogun!

5.3 (18 May 2016)

  • Fix incomplete block table for QR version 15. Thanks Rodrigo Queiro for the report and Jacob Welsh for the investigation and fix.
  • Avoid unnecessary dependency for non MS platforms, thanks to Noah Vesely.
  • Make BaseImage.get_image() actually work.

5.2 (25 Jan 2016)

  • Add --error-correction option to qr script.
  • Fix script piping to stdout in Python 3 and reading non-UTF-8 characters in Python 3.
  • Fix script piping in Windows.
  • Add some useful behind-the-curtain methods for tinkerers.
  • Fix terminal output when using Python 2.6
  • Fix terminal output to display correctly on MS command line.

5.2.1

  • Small fix to terminal output in Python 3 (and fix tests)

5.2.2

  • Revert some terminal changes from 5.2 that broke Python 3's real life tty code generation and introduce a better way from Jacob Welsh.

5.1 (22 Oct 2014)

  • Make qr script work in Windows. Thanks Ionel Cristian Mărieș
  • Fixed print_ascii function in Python 3.
  • Out-of-bounds code version numbers are handled more consistently with a ValueError.
  • Much better test coverage (now only officially supporting Python 2.6+)

5.0 (17 Jun 2014)

  • Speed optimizations.
  • Change the output when using the qr script to use ASCII rather than just colors, better using the terminal real estate.
  • Fix a bug in passing bytecode data directly when in Python 3.
  • Substation speed optimizations to best-fit algorithm (thanks Jacob Welsh!).
  • Introduce a print_ascii method and use it as the default for the qr script rather than print_tty.

5.0.1

  • Update version numbers correctly.

4.0 (4 Sep 2013)

  • Made qrcode work on Python 2.4 - Thanks tcely. Note: officially, qrcode only supports 2.5+.
  • Support pure-python PNG generation (via pymaging) for Python 2.6+ -- thanks Adam Wisniewski!
  • SVG image generation now supports alternate sizing (the default box size of 10 == 1mm per rectangle).
  • SVG path image generation allows cleaner SVG output by combining all QR rects into a single path. Thank you, Viktor Stískala.
  • Added some extra simple SVG factories that fill the background white.

4.0.1

  • Fix the pymaging backend not able to save the image to a buffer. Thanks ilj!

4.0.2

  • Fix incorrect regex causing a comma to be considered part of the alphanumeric set.
  • Switch to using setuptools for setup.py.

4.0.3

  • Fix bad QR code generation due to the regex comma fix in version 4.0.2.

4.0.4

  • Bad version number for previous hotfix release.

3.1 (12 Aug 2013)

  • Important fixes for incorrect matches of the alphanumeric encoding mode. Previously, the pattern would match if a single line was alphanumeric only (even if others wern't). Also, the two characters { and } had snuck in as valid characters. Thanks to Eran Tromer for the report and fix.
  • Optimized chunking -- if the parts of the data stream can be encoded more efficiently, the data will be split into chunks of the most efficient modes.

3.1.1

  • Update change log to contain version 3.1 changes. :P
  • Give the qr script an --optimize argument to control the chunk optimization setting.

3.0 (25 Jun 2013)

  • Python 3 support.
  • Add QRCode.get_matrix, an easy way to get the matrix array of a QR code including the border. Thanks Hugh Rawlinson.
  • Add in a workaround so that Python 2.6 users can use SVG generation (they must install lxml).
  • Some initial tests! And tox support (pip install tox) for testing across Python platforms.

2.7 (5 Mar 2013)

  • Fix incorrect termination padding.

2.6 (2 Apr 2013)

  • Fix the first four columns incorrectly shifted by one. Thanks to Josep Gómez-Suay for the report and fix.
  • Fix strings within 4 bits of the QR version limit being incorrectly terminated. Thanks to zhjie231 for the report.

2.5 (12 Mar 2013)

  • The PilImage wrapper is more transparent - you can use any methods or attributes available to the underlying PIL Image instance.
  • Fixed the first column of the QR Code coming up empty! Thanks to BecoKo.

2.5.1

  • Fix installation error on Windows.

2.4 (23 Apr 2012)

  • Use a pluggable backend system for generating images, thanks to Branko Čibej! Comes with PIL and SVG backends built in.

2.4.1

  • Fix a packaging issue

2.4.2

  • Added a show method to the PIL image wrapper so the run_example function actually works.

2.3 (29 Jan 2012)

  • When adding data, auto-select the more efficient encoding methods for numbers and alphanumeric data (KANJI still not supported).

2.3.1

  • Encode unicode to utf-8 bytestrings when adding data to a QRCode.

2.2 (18 Jan 2012)

  • Fixed tty output to work on both white and black backgrounds.
  • Added border parameter to allow customizing of the number of boxes used to create the border of the QR code

2.1 (17 Jan 2012)

  • Added a qr script which can be used to output a qr code to the tty using background colors, or to a file via a pipe.