Migrate to pyproject.toml

.flake8

@@ -0,0 +1,14 @@
+[flake8]
+max_line_length = 88
+per-file-ignores =
+    src/pytest_qgis/pytest_qgis.py:QGS105
+    src/pytest_qgis/qgis_interface.py:N802,N803
+    tests/*:ANN001,ANN201
+extend-ignore =
+            # whitespace before ':'
+            E203,
+            # Missing type annotation for self in method
+            ANN101,
+            # fixture '{name}' does not return anything, add leading underscore
+            PT004
+ban-relative-imports = true

pyproject.toml

@@ -0,0 +1,72 @@
+[build-system]
+requires = ["setuptools", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pytest-qgis"
+authors = [{ name = "Gispo Ltd.", email = "[email protected]" }]
+maintainers = [{ name = "Gispo Ltd.", email = "[email protected]" }]
+
+description = "A pytest plugin for testing QGIS python plugins"
+readme = "README.md"
+
+dynamic = ["version"]
+keywords = ["pytest", "qgis", "QGIS", "PyQGIS"]
+
+requires-python = ">=3.7"
+license = { file = "LICENSE" }
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Framework :: Pytest",
+    "Intended Audience :: Developers",
+    "Topic :: Software Development :: Testing",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+    "Operating System :: OS Independent",
+    "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
+]
+dependencies = ["pytest >= 6.0"]
+
+[project.urls]
+homepage = "https://github.com/GispoCoding/pytest-qgis"
+repository = "https://github.com/GispoCoding/pytest-qgis"
+changelog = "https://github.com/GispoCoding/pytest-qgis/CHANGELOG.md"
+
+[project.entry-points.pytest11]
+pytest_qgis = "pytest_qgis"
+
+
+[tool]
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.dynamic]
+version = { attr = "pytest_qgis._version.__version__" }
+
+[tool.setuptools.package-data]
+pytest_qgis = ["py.typed"]
+
+
+[tool.pytest.ini_options]
+doctest_encoding = "utf-8"
+
+
+[tool.isort]
+profile = "black"
+multi_line_output = 3
+
+
+[tool.mypy]
+disable_error_code = "misc"
+ignore_missing_imports = true
+follow_imports = "silent"
+show_column_numbers = true