Minimal example for building platform-dependent wheels on PyPy using Poetry

build.py

# No-op file needed so Poetry builds a platform-dependent wheel.

def build(setup_kwargs):
    pass

Dockerfile

FROM pypy:3.6-slim

# Install dependencies of C libraries in dependencies and Poetry.
RUN set -e \
    && apt-get update \
    && apt-get install -y build-essential libssl-dev \
    && pip install poetry==1.0.0

# Add sample code.
COPY pyproject.toml poetry.lock build.py /app/
RUN set -e \
    && mkdir -p /app/src \
    && touch /app/src/wheeltagtest.py
WORKDIR /app

# Build.
RUN poetry build

# Install the wheel.
RUN poetry run pip install dist/*.whl

poetry.lock

package = []

[metadata]
content-hash = "115cf985d932e9bf5f540555bbdd75decbb62cac81e399375fc19f6277f8c1d8"
python-versions = "*"

[metadata.files]

pyproject.toml

[tool.poetry]
name = "wheeltagtest"
version = "0.1.0"
description = ""
authors = ["Anonymous"]
build = "build.py"

[build-system]
requires = ["poetry>=0.12"]
build-backend = "poetry.masonry.api"