Bring project up to date and clean up tooling (JelteF#373)

- Remove flake8, it was an extremely outdated version
- Remove stuff for converting to python 2
- Change Travis CI to Github Actions
- Remove examples that used longtabu, since it's not maintained
- Support up to Python 3.11

Author: JelteF

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: Python package
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version:
+          - "3.7"
+          - "3.8"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          # Pip is broken in 3.12 for now
+          # - "3.12.0-beta.4"
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          # Disable cache so that issues with new dependencies are found more easily
+          # cache: 'pip'
+          # cache-dependency-path: |
+          #   dev_requirements.txt
+          #   setup.py
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install texlive-latex-extra texlive-pictures texlive-science texlive-fonts-recommended lmodern ghostscript
+          python -m pip install --upgrade pip
+          pip install -r dev_requirements.txt --upgrade
+          sudo sed '/pattern=".*PDF.*"/d' -i /etc/ImageMagick*/policy.xml
+      - name: Run tests
+        run: |
+          ./testall.sh

README.rst

@@ -1,5 +1,5 @@
-PyLaTeX |Travis| |License| |PyPi| |Stable Docs| |Latest Docs|
-=============================================================
+PyLaTeX |Actions| |License| |PyPi| |Stable Docs| |Latest Docs|
+==============================================================
 
 PyLaTeX is a Python library for creating and compiling LaTeX files or
 snippets. The goal of this library is being an easy, but extensible
@@ -51,8 +51,8 @@ Copyright and License
 Copyright 2014 Jelte Fennema, under `the MIT
 license <https://github.com/JelteF/PyLaTeX/blob/master/LICENSE>`__
 
-.. |Travis| image:: https://img.shields.io/travis/JelteF/PyLaTeX.svg
-   :target: https://travis-ci.org/JelteF/PyLaTeX
+.. |Actions| image:: https://github.com/JelteF/PyLaTeX/actions/workflows/ci.yml/badge.svg
+   :target: https://github.com/JelteF/PyLaTeX/actions/workflows/ci.yml
 
 .. |License| image:: https://img.shields.io/github/license/jeltef/pylatex.svg   
    :target: https://github.com/JelteF/PyLaTeX/blob/master/LICENSE

examples/complex_report.py broken_examples/complex_report.py

@@ -1,5 +1,3 @@
 -e .[all]
 -e git+https://github.com/JelteF/sphinx.git@better-autodoc-skip-member#egg=sphinx
 -e git+https://github.com/JelteF/sphinx_rtd_theme.git@master#egg=sphinx-rtd-theme
--e git+https://github.com/JelteF/flake8-putty.git@master#egg=flake8-putty
-pyflakes==2.2.0

examples/longtabu.py broken_examples/longtabu.py

@@ -14,6 +14,12 @@
 # serve to show the default.
 
 import sys
+
+# Needed for old sphinx version to work
+import collections
+if sys.version_info >= (3, 10):
+    collections.Callable = collections.abc.Callable
+
 import os
 import inspect
 import sphinx_rtd_theme

examples/tabus.py broken_examples/tabus.py

@@ -28,7 +28,6 @@ set -x
 
 git tag "$1" -a -m ''
 
-./convert_to_py2.sh
 cd docs/gh-pages
 git pull
 git submodule update --init

convert_to_py2.sh

@@ -26,17 +26,13 @@
     dependencies = ['ordered-set']
 
 extras = {
-    'docs': ['sphinx'],
+    'docs': ['sphinx', 'jinja2<3.0', 'MarkupSafe==2.0.1', 'alabaster<0.7.12'],
     'matrices': ['numpy'],
     'matplotlib': ['matplotlib'],
     'quantities': ['quantities', 'numpy'],
-    'testing': ['flake8<3.0.0', 'pep8-naming==0.8.2',
-                'flake8_docstrings==1.3.0', 'pycodestyle==2.0.0',
-                'pydocstyle==3.0.0', 'pyflakes==1.2.3', 'pytest>=4.6',
-                'flake8-putty',
+    'testing': ['pytest>=4.6',
                 'coverage', 'pytest-cov'],
     'packaging': ['twine'],
-    'convert_to_py2': ['3to2', 'future>=0.15.2'],
 }
 
 if sys.version_info[0] == 3:

dev_requirements.txt

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# This script runs flake8 to test for pep8 compliance and executes all the examples and tests
+# This script executes all the examples and tests
 # run as: testall.sh [-p COMMAND] [clean]
 # Optional positional arguments
 #      -c: cleans up the latex files generated
@@ -52,9 +52,7 @@ python_version_long=$($python --version |& sed 's|Python \(.*\)|\1|g' | head -n
 if [ "$python_version" = '3' ]; then
     # Check code guidelines
     echo -e '\e[32mChecking for code style errors \e[0m'
-    if ! flake8 pylatex examples tests; then
-        exit 1
-    fi
+    # TODO: Replace with black
 fi