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Python Library List
Latest versionIn general, there's an executable file called pip inside the bin folder where you python is. (it might be called pip3 or something similar, depending on your python version and the distribution you are using). Put that on your system path, and then simply. Reinstall python and python3 via homebrew. At no time did I touch the python installation located within the /System folder. Oh, and to be clear. The answer to the original question is. Yes, you can trust the old references, as written! That guidance is still valid. Prerequisites for installing Python3 on Mac Install Xcode. Xcode is Apple's Integrated Development Environment (IDE). You might already have Xcode on your Mac.
Released:
Read one-dimensional barcodes and QR codes from Python 2 and 3.
Project description
Read one-dimensional barcodes and QR codes from Python 2 and 3 using thezbar library.
- Pure python
- Works with PIL / Pillow images, OpenCV / numpy ndarrays, and raw bytes
- Decodes locations of barcodes
- No dependencies, other than the zbar library itself
- Tested on Python 2.7, and Python 3.4 to 3.6
The older zbarpackage is stuck in Python 2.x-land.The zbarlight package does notprovide support for Windows and depends upon Pillow.
Installation
The zbarDLLs are included with the Windows Python wheels.On other operating systems, you will need to install the zbar sharedlibrary.
Mac OS X:
Linux:
Install this Python wrapper; use the second form to install dependencies of thecommand-line scripts:
Install Python Library Mac
Example usage
The decode function accepts instances of PIL.Image.
It also accepts instances of numpy.ndarray, which might come from loadingimages using OpenCV.
You can also provide a tuple (pixels, width, height), where the image datais eight bits-per-pixel.
The default behaviour is to decode all symbol types. You can look for just yoursymbol types
Bounding boxes and polygons
The blue and pink boxes show rect and polygon, respectively, forbarcodes in pyzbar/tests/qrcode.png (seebounding_box_and_polygon.py).
Windows error message
If you see an ugly ImportError when importing pyzbar on Windowsyou will most likely need the Visual C++ Redistributable Packages for VisualStudio 2013.Install vcredist_x64.exe if using 64-bit Python, vcredist_x86.exe ifusing 32-bit Python.
Contributors
- Alex (@globophobe) - first implementation of barcode locations
License
pyzbar is distributed under the MIT license (see LICENCE.txt).The zbar shared library is distributed under the GNU Lesser GeneralPublic License, version 2.1 (see zbar-LICENCE.txt).
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