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Add style check tools.

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Fangjun Kuang 2021-07-15 17:32:03 +08:00
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[flake8]
max-line-length = 80

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# Copyright 2021 Fangjun Kuang (csukuangfj@gmail.com)
# See ../../LICENSE for clarification regarding multiple authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
name: style_check
on:
push:
branches:
- master
pull_request:
branches:
- master
jobs:
style_check:
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [ubuntu-18.04, macos-10.15]
python-version: [3.7, 3.9]
fail-fast: false
steps:
- uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Setup Python ${{ matrix.python-version }}
uses: actions/setup-python@v1
with:
python-version: ${{ matrix.python-version }}
- name: Install Python dependencies
run: |
python3 -m pip install --upgrade pip mypy black flake8
- name: Run flake8
shell: bash
working-directory: ${{github.workspace}}
run: |
# stop the build if there are Python syntax errors or undefined names
flake8 . --count --show-source --statistics
flake8 .
- name: Run black
shell: bash
working-directory: ${{github.workspace}}
run: |
black --check --diff .
- name: Run mypy
shell: bash
working-directory: ${{github.workspace}}
run: |
mypy .

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repos:
- repo: https://github.com/psf/black
rev: 21.6b0
hooks:
- id: black
- repo: https://github.com/PyCQA/flake8
rev: 3.9.2
hooks:
- id: flake8
- repo: https://github.com/pycqa/isort
rev: 5.9.2
hooks:
- id: isort
- repo: https://github.com/pre-commit/mirrors-mypy
rev: v0.910
hooks:
- id: mypy
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v4.0.1
hooks:
- id: check-executables-have-shebangs
- id: end-of-file-fixer
- id: mixed-line-ending
- id: trailing-whitespace

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## Pre-commit hooks
We use [git][git] [pre-commit][pre-commit] [hooks][hooks] to check that files
going to be committed:
- contain no trailing spaces
- are formatted with [black][black]
- are compatible to [PEP8][PEP8] (checked by [flake8][flake8])
- end in a newline and only a newline
- contain sorted `imports` (checked by [isort][isort])
These hooks are disabled by default. Please use the following commands to enable them:
```bash
pip install pre-commit # run it only once
pre-commit install # run it only once, it will install all hooks
# modify some files
git add <some files>
git commit # It runs all hooks automatically.
# If all hooks run successfully, you can write the commit message now. Done!
#
# If any hook failed, your commit was not successful.
# Please read the error messages and make changes accordingly.
# And rerun
git add <some files>
git commit
```
[git]: https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks
[flake8]: https://github.com/PyCQA/flake8
[PEP8]: https://www.python.org/dev/peps/pep-0008/
[black]: https://github.com/psf/black
[hooks]: https://github.com/pre-commit/pre-commit-hooks
[pre-commit]: https://github.com/pre-commit/pre-commit
[isort]: https://github.com/PyCQA/isort

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[tool.isort]
profile = "black"
[tool.black]
line-length = 80
exclude = '''
/(
\.git
| \.mypy_cache
)/
'''