tasks.py

import re

from invoke import task


@task
def release(ctx):
    """Tag, build, then upload to PyPI"""
    init_file = "pg_grant/__init__.py"
    init_data = open(init_file).read()
    metadata = dict(re.findall("__([a-z]+)__ = '([^']+)'", init_data))

    ctx.run("git tag v{0} -m '{0} release'".format(metadata["version"]))

    ctx.run("rm dist/*", warn=True)
    ctx.run("python setup.py sdist bdist_wheel")
    ctx.run("twine upload dist/*")