DCC Utils for Python
Project description
Python library to decode the EU Covid-19 vaccine certificate, as specified by the EU.
Setup
pip install dcc-utilsMake sure zbar is installed in your system * For Mac OS X, it can be installed via brew install zbar * Debian systems via apt install libzbar0. Source * Fedora / Red Hat dnf install zbar
Usage
Parse DCC
This library takes an image with a QR code or a raw repr. of a vaccine certificate as the parameter and will show the certificate’s content.
from dcc_utils import from_image
dcc_from_img = from_image("/my/certificate/path")
dcc_from_raw = from_raw("HC1:6BF...FTPQ3C3F")Then you can access to payload and kid
assert dcc_from_img.kid == "53FOjX/4aJs="
assert dcc_from_img.payload["v"][0]["ci"] == "URN:UVCI:01:FR:W7V2BE46QSBJ#L"from_image and from_raw methods may rise DCCParsingError
from dcc_utils.exceptions import DCCParsingErrorValidate DCC digital signature
signature = """
-----BEGIN CERTIFICATE-----
MIIIAjCCBeqgAwIBAgIQAnq8g/T
-----END CERTIFICATE-----
"""
assert dcc.check_signature(signature)check_signature method may rise DCCSignatureError
from dcc_utils.exceptions import DCCSignatureErrorDev setup
Install dependencies via your distribution or via pip:
pip install -r requirements-dev.txt
Run tests
make test
EU Digital COVID Certificate Specifications
What’s in a EU Digital COVID/Green Certificate? * Value Sets for Digital Green Certificates https://ec.europa.eu/health/sites/default/files/ehealth/docs/digital-green-certificates_dt-specifications_en.pdf * JSON schema: https://github.com/ehn-dcc-development/ehn-dcc-schema
Sample data
Digital Green Certificate Gateway (DGCG) samples for all participating countries: https://github.com/eu-digital-green-certificates/dgc-testdata
License
This library is available under the MIT license.
