Initial setup for proper development with linting etc

.coveragerc

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+[run]
+omit = 
+	# The tests themselves
+	tests/*
+	# Any venv files
+	venv/*

.flake8

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+[flake8]
+# Show exactly where in a line the error happened
+#show-source = True
+
+max-line-length = 120
+# Add _ as a builtin for localisation stuff
+builtins = _
+
+# check syntax in doctests
+doctests = True 
+max-complexity = 15
+per-file-ignores = ./EDMC.py:E402
+
+# Plugin configs
+# required plugins:
+
+# https://github.com/Melevir/flake8-cognitive-complexity
+# Provides cognitive complexity checking
+
+# https://github.com/adamchainz/flake8-comprehensions
+# Checks list/dict/set/* comprehensions for simplification or replacement
+
+# https://github.com/PyCQA/pep8-naming
+# checks names against PEP8 rules (eg CamelCase for class names)
+
+# https://github.com/best-doctor/flake8-annotations-coverage
+# Checks code for type annotations
+
+# https://pypi.org/project/flake8-isort/
+# Ensures imports are well sorted
+
+# https://pypi.org/project/flake8-noqa/
+# Ensures that noqa statements are correctly formed
+
+# https://github.com/MichaelKim0407/flake8-use-fstring
+# Prefers fstrings over .format and modulo based formatters
+
+max-cognitive-complexity = 15
+
+# require that all noqa directves disable specific errors
+noqa-require-code = True
+
+docstring-convention = numpy

.mypy.ini

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+[mypy]
+follow_imports = skip
+ignore_missing_imports = True
+scripts_are_modules = True

.pre-commit-config.yaml

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+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: 'v3.4.0'
+    hooks:
+      - id: check-merge-conflict 
+      - id: debug-statements 
+      - id: end-of-file-fixer 
+      - id: mixed-line-ending
+
+        #-   repo: https://github.com/pre-commit/mirrors-autopep8
+        #    rev: ''
+        #    hooks:
+        #      - id: autopep8
+
+### # flake8 --show-source <file>
+### -   repo: https://gitlab.com/pycqa/flake8
+###     rev: ''
+###     hooks:
+###       - id: flake8
+#
+# Try using local flake8
+- repo: local
+  hooks:
+    - id: flake8
+      name: flake8
+      entry: flake8
+      language: system
+      types: [ python ]
+
+-   repo: https://github.com/pre-commit/pygrep-hooks
+    rev: 'v1.8.0'
+    hooks:
+      - id: python-no-eval 
+      - id: python-no-log-warn 
+# This is a pain where a comment begins with the word 'type' otherwise
+#      - id: python-use-type-annotations 
+
+# mypy - static type checking
+# mypy --follow-imports skip <file>
+-   repo: https://github.com/pre-commit/mirrors-mypy
+    rev: 'v0.812'
+    hooks:
+      - id: mypy
+        args: [ "--follow-imports", "skip", "--ignore-missing-imports", "--scripts-are-modules" ]
+
+### # pydocstyle.exe <file>
+### -   repo: https://github.com/FalconSocial/pre-commit-mirrors-pep257
+###     rev: ''
+###     hooks:
+###       - id: pep257  # docstring conventions
+###       # Alternate https://github.com/PyCQA/pydocstyle
+
+# -   repo: https://github.com/digitalpulp/pre-commit-php
+#     rev: ''
+#     hooks:
+#       -id: php-unit 
+
+# safety.exe check -r requirements.txt
+-   repo: https://github.com/Lucas-C/pre-commit-hooks-safety
+    rev: 'v1.2.1'
+    hooks:
+      - id: python-safety-dependencies-check 
+        entry: safety
+        args: [check, --bare, -r]
+        language: system
+
+# Check translation comments are up to date
+- repo: local
+  hooks:
+    - id: LANG_comments
+      name: 'LANG comments'
+      language: system
+      entry: python scripts/find_localised_strings.py --compare-lang L10n/en.template --directory . --ignore coriolis-data --ignore dist.win32
+      pass_filenames: false
+      always_run: true
+
+default_language_version:
+    python: python3.9
+
+default_stages: [ commit, push ]
+
+#files: '([^\.].+/)*.py'

.python-version

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+3.9.7

requirements-dev.txt

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+# So that you don't get warnings like:
+# Using legacy 'setup.py install' for flake8-annotations-coverage, since package 'wheel' is not installed.
+wheel
+
+# Static analysis tools
+flake8==4.0.1
+flake8-annotations-coverage==0.0.5
+flake8-cognitive-complexity==0.1.0
+flake8-comprehensions==3.7.0
+flake8-docstrings==1.6.0
+isort==5.10.0
+flake8-isort==4.1.1
+flake8-json==21.7.0
+flake8-noqa==1.2.0
+flake8-polyfill==1.0.2
+flake8-use-fstring==1.3
+
+mypy==0.910
+pep8-naming==0.12.1
+safety==1.10.3
+types-requests==2.25.11
+
+# Code formatting tools
+autopep8==1.6.0
+
+# Testing
+pytest==6.2.5
+pytest-cov==3.0.0  # Pytest code coverage support
+coverage[toml]==6.1.1 # pytest-cov dep. This is here to ensure that it includes TOML support for pyproject.toml configs
+
+# All of the normal requirements
+-r requirements.txt