From fa678e28fca7e017f8233ffc8b53096e3f7d8514 Mon Sep 17 00:00:00 2001
From: Willem Melching <willem.melching@gmail.com>
Date: Sun, 15 Jan 2023 21:51:22 +0100
Subject: [PATCH] MacOS: no spidev package (#1211)

---
 python/spi.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/python/spi.py b/python/spi.py
index 973f2af6..f0154ba7 100644
--- a/python/spi.py
+++ b/python/spi.py
@@ -2,12 +2,16 @@ import fcntl
 import math
 import time
 import struct
-import spidev
 import logging
 from contextlib import contextmanager
 from functools import reduce
 from typing import List
 
+try:
+  import spidev
+except ImportError:
+  spidev = None
+
 # Constants
 SYNC = 0x5A
 HACK = 0x79
@@ -48,6 +52,9 @@ def flocked(fd):
 # This mimics the handle given by libusb1 for easy interoperability
 class SpiHandle:
   def __init__(self):
+    if spidev is None:
+      raise RuntimeError("spidev is not available")
+
     self.spi = spidev.SpiDev()  # pylint: disable=c-extension-no-member
     self.spi.open(0, 0)