# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DISTUTILS_SINGLE_IMPL=1
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{12..13} )

inherit systemd distutils-r1

DESCRIPTION="The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface"
HOMEPAGE="https://github.com/comfyanonymous/ComfyUI"
SRC_URI="https://github.com/comfyanonymous/ComfyUI/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
LICENSE="GPL-3"
SLOT="0"

IUSE="systemd"

REQUIRED_USE=""

# https://github.com/comfyanonymous/ComfyUI/blob/master/requirements.txt
RDEPEND="
	sci-ml/pytorch[${PYTHON_SINGLE_USEDEP}]
	sci-libs/torchaudio[${PYTHON_SINGLE_USEDEP}]
	sci-ml/torchvision[${PYTHON_SINGLE_USEDEP}]
	sci-ml/torchsde[${PYTHON_SINGLE_USEDEP}]
	>=sci-ml/transformers-4.37.2[${PYTHON_SINGLE_USEDEP}]
	>=sci-ml/tokenizers-0.13.3[${PYTHON_SINGLE_USEDEP}]
	$(python_gen_cond_dep '
		=sci-ml/comfyui-frontend-package-1.26.13[${PYTHON_USEDEP}]
		=sci-ml/comfyui-workflow-templates-0.1.86[${PYTHON_USEDEP}]
		=sci-ml/comfyui-embedded-docs-0.2.6[${PYTHON_USEDEP}]
		>=dev-python/numpy-1.25.0[${PYTHON_USEDEP}]
		dev-python/einops[${PYTHON_USEDEP}]
		sci-ml/sentencepiece[${PYTHON_USEDEP}]
		>=sci-ml/safetensors-0.4.2[${PYTHON_USEDEP}]
		>=dev-python/aiohttp-3.11.8[${PYTHON_USEDEP}]
		>=dev-python/yarl-1.18.0[${PYTHON_USEDEP}]
		dev-python/pyyaml[${PYTHON_USEDEP}]
		dev-python/pillow[${PYTHON_USEDEP}]
		dev-python/scipy[${PYTHON_USEDEP}]
		dev-python/tqdm[${PYTHON_USEDEP}]
		dev-python/psutil[${PYTHON_USEDEP}]
		dev-python/alembic[${PYTHON_USEDEP}]
		dev-python/sqlalchemy[${PYTHON_USEDEP}]
		>=dev-python/av-14.2.0[${PYTHON_USEDEP}]
	')
"
DEPEND="
    acct-user/genai
    acct-group/genai
"

BDEPEND="${DEPEND}"

RESTRICT="test"

KEYWORDS="~amd64 ~arm ~arm64 ~x86"

S="${WORKDIR}/ComfyUI-${PV}"

src_compile() {
	:
}

src_install() {
	insinto ${EPREFIX}/opt/comfyui
	doins -r ${S}/*

	chmod +x ${D}/${EPREFIX}/opt/comfyui/main.py
        sed -i "1s:^:#!/usr/bin/$(echo $PYTHON_SINGLE_TARGET | sed 's:_:.:') \n:" ${D}/${EPREFIX}/opt/comfyui/main.py

	dosym ${EPREFIX}/opt/comfyui/main.py /usr/bin/comfyui

    newconfd "${FILESDIR}/${PN}.confd" "${PN}"

    if use systemd; then
        systemd_newunit "${FILESDIR}"/${PN}.service ${PN}.service
    fi
}

pkg_prerm() {
    if use systemd; then
        einfo "Stopping systemd services."
        systemctl daemon-reload
        (systemctl | grep comfyui) && systemctl stop comfyui.service
    fi
}

pkg_postrm() {
    if use systemd; then
        einfo "Restarting systemd daemon."
        systemctl daemon-reload
    fi
}