migrate configuration to PEP621 compatible one

.pdm-python

@@ -0,0 +1 @@
+/Users/eliaskirchgaessner/Development/FOSS/pelican/.venv/bin/python

pyproject.toml

@@ -1,17 +1,30 @@
-[tool.poetry]
+[project]
+authors = [{ name = "Justin Mayer", email = "authors@getpelican.com" }]
+license = { text = "AGPLv3" }
+requires-python = ">=3.8,<4.0"
+dependencies = [
+    "blinker>=1.4",
+    "docutils>=0.16",
+    "feedgenerator>=1.9",
+    "jinja2>=2.7",
+    "pygments>=2.6",
+    "python-dateutil>=2.8",
+    "rich>=10.1",
+    "unidecode>=1.1",
+    "backports-zoneinfo<1.0.0,>=0.2.1; python_version < \"3.9\"",
+]
 name = "pelican"
 version = "4.8.0"
 description = "Static site generator supporting Markdown and reStructuredText"
-authors = ["Justin Mayer <entrop@gmail.com>"]
-license = "AGPLv3"
 readme = "README.rst"
 keywords = ["static site generator", "static sites", "ssg"]
-
-homepage = "https://getpelican.com"
-repository = "https://github.com/getpelican/pelican"
-documentation = "https://docs.getpelican.com"
-
 classifiers = [
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
     "Framework :: Pelican",
@@ -25,56 +38,12 @@ classifiers = [
     "Topic :: Text Processing :: Markup :: reStructuredText",
 ]
 
-[tool.poetry.urls]
+[project.scripts]
-"Funding" = "https://donate.getpelican.com/"
-"Tracker" = "https://github.com/getpelican/pelican/issues"
-
-[tool.poetry.dependencies]
-python = ">=3.7,<4.0"
-blinker = ">=1.4"
-docutils = ">=0.16"
-feedgenerator = ">=1.9"
-jinja2 = ">=2.7"
-pygments = ">=2.6"
-python-dateutil = ">=2.8"
-rich = ">=10.1"
-unidecode = ">=1.1"
-markdown = {version = ">=3.1", optional = true}
-backports-zoneinfo = {version = "^0.2.1", python = "<3.9"}
-watchfiles = "^0.19.0"
-
-[tool.poetry.dev-dependencies]
-BeautifulSoup4 = "^4.9"
-jinja2 = "~3.1.2"
-lxml = "^4.3"
-markdown = "~3.4.3"
-typogrify = "^2.0"
-sphinx = "^5.1"
-furo = "2023.03.27"
-livereload = "^2.6"
-psutil = {version = "^5.7", optional = true}
-pygments = "~2.15"
-pytest = "^7.1"
-pytest-cov = "^4.0"
-pytest-sugar = "^0.9.5"
-pytest-xdist = "^2.0"
-ruff = "^0.1.3"
-tox = {version = "^3.13", optional = true}
-flake8 = "^3.8"
-flake8-import-order = "^0.18.1"
-invoke = "^2.0"
-isort = "^5.2"
-black = {version = "^19.10b0", allow-prereleases = true}
-
-[tool.poetry.extras]
-markdown = ["markdown"]
-
-[tool.poetry.scripts]
 pelican = "pelican.__main__:main"
 pelican-import = "pelican.tools.pelican_import:main"
-pelican-plugins = "pelican.plugins._utils:list_plugins"
 pelican-quickstart = "pelican.tools.pelican_quickstart:main"
 pelican-themes = "pelican.tools.pelican_themes:main"
+pelican-plugins = "pelican.plugins._utils:list_plugins"
 
 [tool.autopub]
 project-name = "Pelican"
@@ -86,5 +55,49 @@ version-header = "="
 version-strings = ["setup.py"]
 build-system = "setuptools"
 
+[tool.pdm]
+
+[tool.pdm.scripts]
+docbuild = "invoke docbuild"
+docserve = "invoke docserve"
+
+[tool.pdm.dev-dependencies]
+dev = [
+    "BeautifulSoup4<5.0,>=4.9",
+    "jinja2~=3.1.2",
+    "lxml<5.0,>=4.3",
+    "markdown~=3.4.3",
+    "typogrify<3.0,>=2.0",
+    "sphinx<6.0,>=5.1",
+    "furo==2023.03.27",
+    "livereload<3.0,>=2.6",
+    "psutil<6.0,>=5.7",
+    "pygments~=2.15",
+    "pytest<8.0,>=7.1",
+    "pytest-cov<5.0,>=4.0",
+    "pytest-sugar<1.0.0,>=0.9.5",
+    "pytest-xdist<3.0,>=2.0",
+    "tox<4.0,>=3.13",
+    "flake8<4.0,>=3.8",
+    "flake8-import-order<1.0.0,>=0.18.1",
+    "invoke<3.0,>=2.0",
+    "isort<6.0,>=5.2",
+    "black<20.0,>=19.10b0",
+]
+
+[tool.pdm.build]
+includes = []
+
+[project.urls]
+Funding = "https://donate.getpelican.com/"
+Tracker = "https://github.com/getpelican/pelican/issues"
+Homepage = "https://getpelican.com"
+Repository = "https://github.com/getpelican/pelican"
+Documentation = "https://docs.getpelican.com"
+
+[project.optional-dependencies]
+markdown = ["markdown>=3.1"]
+
 [build-system]
-requires = ["setuptools >= 40.6.0", "wheel"]
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"