pyelligator is a Python binding for libelligator. Based on the code authored by agl in the ed25519/extra25519, libelligator is a C++ implementation of "Elligator: Elliptic-curve points indistinguishable from uniform random strings" for Curve25519.
import elligator
from os import urandom
# Generate keys
while True:
private = urandom(32)
(valid, public, representative) = elligator.scalarbasemult(private)
if valid:
break
# Convert a uniform representative value for Curve25519 public key,
# as produced by scalarbasemult, to a Curve25519 public key
public = elligator.representativetopublic(representative)
make
make install
make test