How to decode a QR-code image in (preferably pure) Python?

• python-qrcode

  9 4,182 0.0 Python

  Python QR Code image generator

  

import sys, qrcoded = qrcode.Decoder()if d.decode('out.png'): print 'result: ' + d.resultelse: print 'error: ' + d.error So I simply installed it using sudo pip install pyqrcode. The thing I find strange about the example code above however, is that it only imports qrcode (and not pyqrcode though) Since I think qrcode refers to this library which can only generate qr-code images it kind of confused me. So I tried the code above with both pyqrcode and qrcode, but both fail at the second line saying AttributeError: 'module' object has no attribute 'Decoder'. Furthermore, the website refers to Ubuntu 8.10 (which came out more than 6 years ago) and I can't find a public (git or other) repository of it to check the latest commit. So I moved on to the next library:

• ZBar

  7 2,466 0.0 C

  Clone of the mercurial repository http://zbar.hg.sourceforge.net:8000/hgroot/zbar/zbar

  

ZBar (website here) claims to be "an open source software suite for reading bar codes from various sources, such as image files." So I tried installing it on Mac OSX running sudo pip install zbar. This fails with error: command 'cc' failed with exit status 1. I tried to suggestions in the answers to this SO question, but I can't seem to solve it. So I decided to move on again:

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• pyxing

  1 4 10.0 Python

  Python port of zxing

PyXing (website here) is supposedly a Python port of the popular Java ZXing library, but the initial and only commit is 6 years old and the project has no readme or documentation whatsoever.

• ZXing

  42 32,296 8.6 Java

  ZXing ("Zebra Crossing") barcode scanning library for Java, Android

  

PyXing (website here) is supposedly a Python port of the popular Java ZXing library, but the initial and only commit is 6 years old and the project has no readme or documentation whatsoever.

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