From 6a66705a9ad4373019e7c632640962b7d0a8d079 Mon Sep 17 00:00:00 2001
From: urasakikeisuke <79469739+urasakikeisuke@users.noreply.github.com>
Date: Wed, 10 Dec 2025 21:08:27 +0900
Subject: [PATCH] build: use python-lzf on aarch64 to fix installation errors

Updated dependencies to handle Arm64 platform compatibility.The dependency `python-neo-lzf` does not provide pre-built wheels for aarch64 architectures. This causes installation failures with tools like `uv` or `pip` in environments lacking a C compiler, or results in extremely slow builds under QEMU emulation.

This commit modifies `pyproject.toml` to use PEP 508 environment markers:
- Use `python-neo-lzf` on x86_64 (unchanged).
- Switch to `python-lzf` on aarch64/arm64 platforms.

This ensures smoother installation and compatibility on Arm-based devices (e.g., Raspberry Pi, AWS Graviton, Apple Silicon Docker containers).
---
 pyproject.toml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index ad12bb0..7eaa1d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,11 @@ authors = [{ name = "urasakikeisuke", email = "keisuke.urasaki@map4.jp" }]
 dependencies = [
     "numpy>=1.21.0",
     "pydantic >=1.10.8, <3.0.0",
-    "python-neo-lzf>=0.3.0",
+    # python-neo-lzf lacks pre-built wheels for aarch64 (Arm64).
+    # To enable installation on Arm platforms without requiring compilation tools,
+    # we switch to python-lzf for aarch64/arm64 environments.
+    "python-neo-lzf>=0.3.0; platform_machine != 'aarch64' and platform_machine != 'arm64'",
+    "python-lzf; platform_machine == 'aarch64' or platform_machine == 'arm64'",
 ]
 readme = "README.md"
 requires-python = ">= 3.8.2"