dev-python/mdformat: new package, add 1.0.0

Signed-off-by: Huang Rui <vowstar@gmail.com>

dev-python/mdformat/Manifest

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+DIST mdformat-1.0.0.gh.tar.gz 118368 BLAKE2B f98c96e8b37f0079b44b3861ef517c8e0c66523a23130157e2f383542b652561306ac7d4e988750583a2ee96f9fd76581a9b5e9cbe5eacec2093ad0f596224bc SHA512 5aa75c71520016046be93745146cb8cc031d3658208616d160f11ad9bfbc64ac0edc9451148e94df7ba3b92c195d331d8ed3a915062d0c1d134c609e2d2f6a24

dev-python/mdformat/mdformat-1.0.0.ebuild

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+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{12..14} )
+DISTUTILS_USE_PEP517=setuptools
+inherit distutils-r1
+
+DESCRIPTION="CommonMark compliant Markdown formatter"
+HOMEPAGE="
+	https://github.com/hukkin/mdformat
+	https://pypi.org/project/mdformat/
+"
+SRC_URI="
+	https://github.com/hukkin/${PN}/archive/${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+
+RDEPEND="
+	>=dev-python/markdown-it-py-1[${PYTHON_USEDEP}]
+	<dev-python/markdown-it-py-5[${PYTHON_USEDEP}]
+"
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest
+
+python_test() {
+	# read_toml_opts() caches per directory, recycled tmp dirs poison the cache
+	epytest -o tmp_path_retention_count=3 -o tmp_path_retention_policy=all
+}

dev-python/mdformat/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>vowstar@gmail.com</email>
+		<name>Huang Rui</name>
+	</maintainer>
+	<longdescription lang="en">
+		Mdformat is an opinionated Markdown formatter that can be used to
+		enforce a consistent style in Markdown files. It is a CommonMark
+		compliant formatter, and its plugin system extends the syntax it
+		understands, for example to GitHub Flavored Markdown tables.
+	</longdescription>
+	<longdescription lang="zh">
+		Mdformat 是一个风格固定的 Markdown 格式化工具，用于在 Markdown 文件中
+		强制统一的排版风格。它完全符合 CommonMark 规范，并通过插件系统扩展所
+		支持的语法，例如 GitHub Flavored Markdown 表格。
+	</longdescription>
+	<upstream>
+		<remote-id type="github">hukkin/mdformat</remote-id>
+		<remote-id type="pypi">mdformat</remote-id>
+	</upstream>
+</pkgmetadata>