tweak how installed file sizes are checked #15

	name: Publish distributions to PyPI

	on:
	pull_request:
	push:
	branches:
	- main
	tags:
	- "v*"

	jobs:
	build-n-publish:
	name: Build and publish distributions to PyPI
	if: github.repository == 'pvlib/pvlib-python'
	runs-on: ubuntu-latest
	steps:
	# fetch all commits and tags so versioneer works
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.9

	- name: Install build tools
	run: \|
	python -m pip install --upgrade pip
	python -m pip install build
	python -m pip install twine

	- name: Build packages
	run: python -m build

	- name: List distribution file sizes
	run: ls -hl dist/*

	- name: Check metadata verification
	run: python -m twine check --strict dist/*

	- name: Ensure that the wheel installs successfully
	run: \|
	mkdir ./tmp
	pip install $(find dist -type f -name "*.whl") --target=./tmp

	- name: List installed file sizes
	du -h ./tmp

	# only publish distribution to PyPI for tagged commits
	- name: Publish distribution to PyPI
	if: startsWith(github.ref, 'refs/tags/v')
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.pypi_password }}

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