parsepubkey.py

>>> from cryptography import x509
>>> from cryptography.hazmat.backends import default_backend
>>> from cryptography.hazmat.primitives import hashes
>>> cert_pem = open( '/tmp/testcert.crt', 'rb' ).read()
>>> cert = x509.load_pem_x509_certificate(cert_pem, default_backend())
>>> print(cert.public_key())
<cryptography.hazmat.backends.openssl.ec._EllipticCurvePublicKey object at 0x7fe27d803450>