qrcode

This module uses the Python Imaging Library (PIL) to allow for the generation of QR Codes.

What is a QR Code?

A Quick Response code is a two-dimensional pictographic code used for its fast readability and comparatively large storage capacity. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be made up of any kind of data (e.g., binary, alphanumeric, or Kanji symbols)

Usage

Use the make shortcut function:

import qrcode
img = qrcode.make('Some data here')

Advanced Usage

For more control, use the QRCode class. For example:

import qrcode
qr = qrcode.QRCode(
    version=1,
    error_correction=qrcode.constants.ERROR_CORRECT_L,
    box_size=10,
    border=4,
)
qr.add_data('Some data')
qr.make(fit=True)

img = qr.make_image()

The version parameter is an integer from 1 to 40 that controls the size of the QR Code (the smallest, version 1, is a 21x21 matrix). Set to None and use the fit parameter when making the code to determine this automatically.

The error_correction parameter controls the error correction used for the QR Code. The following four constants are made available on the qrcode package:

ERROR_CORRECT_L: About 7% or less errors can be corrected.
ERROR_CORRECT_M (default): About 15% or less errors can be corrected.
ERROR_CORRECT_Q: About 25% or less errors can be corrected.
ERROR_CORRECT_H.: About 30% or less errors can be corrected.

The box_size parameter controls how many pixels each “box” of the QR code is.

The border parameter controls how many boxes thick the border should be (the default is 4, which is the minimum according to the specs).

Release files for qrcode 3.1.1

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for qrcode 3.1.1
File	Size	Uploaded
qrcode-3.1.1.tar.gz	15.2 kB	Aug 13, 2013	Details

Release files / qrcode-3.1.1.tar.gz

Download URL	qrcode-3.1.1.tar.gz
Size	15.2 kB
Tags	Source
SHA-256 checksum How to use checksums	`c5f5d32e4663f94eb27c2a307e91af5f0ebb10a9e4fff5620080a63c562b7c39`
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Upload date	Aug 13, 2013
Uploaded using Trusted Publishing? What is trusted publishing?	No