Lint

MAINT: Make `guess` parameter keyword only #15

	name: Lint

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

	permissions:
	contents: read # to fetch code (actions/checkout)

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	test_lint:
	name: Lint
	# If using act to run CI locally the github object does not exist and the usual skipping should not be enforced
	if: "github.repository == 'numpy/numpy-financial' \|\| github.repository == ''"
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	python-version: ['3.11']

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	submodules: recursive

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Python packages
	run: \|
	python -m pip install --upgrade pip poetry
	poetry env use ${{ matrix.python-version }}
	poetry install --with=test --with=lint

	- name: Lint with flake8
	run: \|
	set -euo pipefail
	# stop the build if there are Python syntax errors or undefined names
	poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# The GitHub editor is 127 chars wide
	poetry run flake8 . --ignore=F401,F403,W503,E226 --count --max-complexity=10 --max-line-length=127 --statistics

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