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zbarcam

Real time Barcode and QR Code scanner Edit

    2020.524

Maintainers
1

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zbarcam

Build Status Coverage Status PyPI version Documentation Status

Real time Barcode and QR Code scanner using the camera. It's built on top of Kivy and pyzbar.

screenshot

How to use

Simply import and instanciate ZBarCam in your kvlang file and access its symbols property.

#:import ZBarCam kivy_garden.zbarcam.ZBarCam
#:import ZBarSymbol pyzbar.pyzbar.ZBarSymbol
BoxLayout:
    orientation: 'vertical'
    ZBarCam:
        id: zbarcam
        # optional, by default checks all types
        code_types: ZBarSymbol.QRCODE, ZBarSymbol.EAN13
    Label:
        size_hint: None, None
        size: self.texture_size[0], 50
        text: ', '.join([str(symbol.data) for symbol in zbarcam.symbols])

A full working demo is available in src/main.py.

Install

Ubuntu

Install system requirements (Ubuntu 18.04):

make system_dependencies

Install zbarcam:

pip install zbarcam

Then import it in your Python code via:

from kivy_garden.zbarcam import ZBarCam

Android

Build for Android via buildozer, see buildozer.spec.

Contribute

To play with the project, install system dependencies and Python requirements using the Makefile.

make

Then verify everything is OK by running tests.

make test
make uitest

Troubleshooting

Android ValueError: Empty module name

More likely an import issue in your .kv file. Try to from zbarcam import ZBarCam in your main.py to see the exact error. It's common to forget Pillow in buildozer.spec requirements section.

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