Use project section in pyproject where possible (#327)

Makefile

@@ -18,12 +18,12 @@ lint:
 	poetry run flake8 --jobs 4 --statistics --show-source $(CODE) tests scripts
 	poetry run pylint --jobs 4 --rcfile=setup.cfg $(CODE)
 	poetry run mypy $(CODE) tests scripts
-	poetry run black --target-version py38 --skip-string-normalization --check $(CODE) tests scripts
+	poetry run black --skip-string-normalization --check $(CODE) tests scripts
 	poetry run pytest --dead-fixtures --dup-fixtures
 
 format:
 	poetry run isort $(CODE) tests scripts
-	poetry run black --target-version py38 --skip-string-normalization $(CODE) tests scripts
+	poetry run black --skip-string-normalization $(CODE) tests scripts
 	poetry run unify --in-place --recursive $(CODE) tests scripts
 
 bump_major:

pyproject.toml

@@ -1,13 +1,24 @@
-[tool.poetry]
+[project]
 name = "flake8-pytest-style"
 version = "2.0.0"
 description = "A flake8 plugin checking common style issues or inconsistencies with pytest-based tests."
-authors = ["Mikhail Burshteyn <[email protected]>"]
+authors = [
+  { name = "Mikhail Burshteyn", email = "[email protected]" },
+]
 license = "MIT"
 readme = 'README.md'
+keywords = ["flake8", "pytest"]
+dynamic = [
+  "classifiers",
+  "dependencies",
+]
+requires-python = ">=3.9"
+
+[project.urls]
 repository = "https://github.com/m-burst/flake8-pytest-style"
 homepage = "https://pypi.org/project/flake8-pytest-style"
-keywords = ["flake8", "pytest"]
+
+[tool.poetry]
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Environment :: Console",
@@ -21,7 +32,7 @@ classifiers = [
   "Topic :: Software Development :: Testing :: Unit",
 ]
 
-[tool.poetry.plugins."flake8.extension"]
+[project.entry-points."flake8.extension"]
 PT = 'flake8_pytest_style.plugin:PytestStylePlugin'
 
 [tool.poetry.dependencies]

scripts/pypi_readme.py

@@ -8,7 +8,8 @@
 
 
 def process_readme(readme: str, project_metadata: Container) -> str:
-    repository = cast(str, project_metadata['repository'])
+    urls = cast(Container, project_metadata['urls'])
+    repository = cast(str, urls['repository'])
     version = cast(str, project_metadata['version'])
     base_url = f'{repository}/blob/v{version}/'
 
@@ -27,9 +28,7 @@ def make_output_filename(input_filename: str) -> str:
 def main() -> None:
     with open('pyproject.toml') as pyproject_file:
         pyproject_data = tomlkit.loads(pyproject_file.read())
-    project_metadata = cast(
-        Container, cast(Container, pyproject_data['tool'])['poetry']
-    )
+    project_metadata = cast(Container, pyproject_data['project'])
 
     readme_filename = cast(str, project_metadata['readme'])
     with open(readme_filename) as input_file: