dev-python/pyvisa-py: new package, add 0.8.1

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

dev-python/pyvisa-py/Manifest

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+DIST pyvisa_py-0.8.1.tar.gz 102061 BLAKE2B 8ea850539f298568c449211a95182ed41f89b7cf5c37330f406b71b88938e26feaab29077bd6e2ad2b8afb61f7f8df23fe8a6a9cabb730d4447f15803ace8f72 SHA512 ac5cf656147c3a22d8d4e427d669873a648316f5285d644b2a34a0322f8b6835b5de50832a2481feb71e6cb7e4c62c1f6262d49094db0b5a6baebf41aa0061f4

dev-python/pyvisa-py/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">
+		PyVISA-py is a pure Python implementation of the VISA (Virtual Instrument
+		Software Architecture) library. It allows message-based communication with
+		laboratory instruments over Serial, USB, GPIB, and Ethernet (TCP/IP)
+		interfaces without requiring proprietary vendor VISA libraries.
+	</longdescription>
+	<longdescription lang="zh">
+		PyVISA-py 是 VISA（虚拟仪器软件架构）库的纯 Python 实现。它允许通过串口、
+		USB、GPIB 和以太网（TCP/IP）接口与实验室仪器进行基于消息的通信，无需依赖
+		专有的厂商 VISA 库。
+	</longdescription>
+	<upstream>
+		<remote-id type="pypi">pyvisa-py</remote-id>
+		<remote-id type="github">pyvisa/pyvisa-py</remote-id>
+	</upstream>
+	<use>
+		<flag name="serial">Enable serial port communication via <pkg>dev-python/pyserial</pkg></flag>
+		<flag name="usb">Enable USB communication via <pkg>dev-python/pyusb</pkg></flag>
+	</use>
+</pkgmetadata>

dev-python/pyvisa-py/pyvisa-py-0.8.1.ebuild

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+# Copyright 2025-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+DISTUTILS_USE_PEP517=setuptools
+PYPI_PN="pyvisa_py"
+inherit distutils-r1 pypi
+
+DESCRIPTION="Pure Python implementation of a VISA library"
+HOMEPAGE="https://github.com/pyvisa/pyvisa-py https://pypi.org/project/pyvisa-py/"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="serial usb"
+
+RDEPEND="
+	>=dev-python/pyvisa-1.15.0[${PYTHON_USEDEP}]
+	dev-python/typing-extensions[${PYTHON_USEDEP}]
+	serial? ( >=dev-python/pyserial-3.0[${PYTHON_USEDEP}] )
+	usb? ( dev-python/pyusb[${PYTHON_USEDEP}] )
+"
+BDEPEND="
+	dev-python/setuptools-scm[${PYTHON_USEDEP}]
+	${RDEPEND}
+"
+
+EPYTEST_PLUGINS=( )
+distutils_enable_tests pytest