Make it pip installable

README.md

@@ -12,7 +12,7 @@ Website: [www.samplerbox.org](https://www.samplerbox.org)
 
 # Install
 
-SamplerBox works with the RaspberryPi's built-in soundcard, but it is recommended to use a USB DAC (PCM2704 USB DAC for less than 10€ on eBay is fine) for better sound quality. 
+SamplerBox works with the RaspberryPi's built-in soundcard, but it is recommended to use a USB DAC (PCM2704 USB DAC for less than 10€ on eBay is fine) for better sound quality.
 
 You can use a ready-to-use ISO image from the [Releases](https://github.com/josephernest/SamplerBox/releases) page or do a manual install:
 
@@ -22,28 +22,26 @@ You can use a ready-to-use ISO image from the [Releases](https://github.com/jose
 
     ~~~
     sudo apt update
-    sudo apt -y install git python3-pip python3-smbus python3-numpy libportaudio2 
+    sudo apt -y install git python3-pip libportaudio2 libopenblas-dev
     sudo apt -y install raspberrypi-kernel  # quite long to install, do it only if necessary, it solves a "no sound before 25 second on boot" problem
-    sudo pip3 install cython rtmidi-python cffi sounddevice pyserial
     ~~~
-
-2. Download SamplerBox and build it with:
 
+1. Download SamplerBox and build it with:
     ~~~
     git clone https://github.com/josephernest/SamplerBox.git
     cd SamplerBox
-    sudo python3 setup.py build_ext --inplace
+    sudo python3 -m pip install .
     ~~~
 
-3. Reboot the Pi, and run the soft with: 
-    
+1. Reboot the Pi, and run the soft with:
+
     ~~~
     sudo python3 samplerbox.py
     ~~~
 
     Play some notes on the connected MIDI keyboard, you'll hear some sound!
 
-4. *(Optional)*  Modify `config.py` if you want to change root directory for sample-sets, default soundcard, etc.
+1. *(Optional)*  Modify `config.py` if you want to change root directory for sample-sets, default soundcard, etc.
 
 
 # How to use it

isoimage/maker.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -v
 # The script takes a standard RaspiOS Lite image, installs SamplerBox on it, and creates a ready-to-use image.
-# Notes: 
+# Notes:
 # * this script works on Pi4 but not on Pi2 - tested 2022-08-09
 # * the process is quite long, 1 hr 40 min on a Pi4 - for this reason, I usually start it from screen (screen -S maker, sudo ./maker.sh, CTRL A D to detach)
 #
@@ -22,9 +22,8 @@ mount -v -t ext4 -o sync /dev/mapper/loop0p2 sdcard
 mount -v -t vfat -o sync /dev/mapper/loop0p1 sdcard/boot
 echo root:root | chroot sdcard chpasswd
 chroot sdcard apt update
-chroot sdcard apt -y install git python3-pip python3-smbus python3-numpy libportaudio2 raspberrypi-kernel ntpdate
-chroot sdcard pip3 install cython rtmidi-python cffi sounddevice pyserial
-chroot sdcard sh -c "cd /root ; git clone https://github.com/josephernest/SamplerBox.git ; cd SamplerBox ; python3 setup.py build_ext --inplace"
+chroot sdcard apt -y install git python3-pip libportaudio2 raspberrypi-kernel ntpdate libasound2-dev libopenblas-dev
+chroot sdcard sh -c "cd /root ; git clone https://github.com/josephernest/SamplerBox.git ; cd SamplerBox ; python3 -m pip install ."
 cp -R root/* sdcard
 chroot sdcard chmod +x /root/usb-mount.sh
 chroot sdcard systemctl enable /etc/systemd/system/samplerbox.service

setup.py

@@ -1,5 +1,33 @@
-from distutils.core import setup
-from Cython.Build import cythonize
-import numpy
+from setuptools import setup, Extension
 
-setup(ext_modules = cythonize("samplerbox_audio.pyx"), include_dirs=[numpy.get_include()])
+
+def my_build_ext(pars):
+    from setuptools.command.build_ext import build_ext as _build_ext
+
+    class build_ext(_build_ext):
+        def finalize_options(self):
+            _build_ext.finalize_options(self)
+            __builtins__.__NUMPY_SETUP__ = False
+            import numpy
+            self.include_dirs.append(numpy.get_include())
+
+    return build_ext(pars)
+
+
+setup(ext_modules=[Extension(name="samplerbox_audio",
+                             sources=["samplerbox_audio.pyx"])],
+      cmdclass={'build_ext': my_build_ext},
+      setup_requires=[
+          "cython",
+          "numpy"
+      ],
+      install_requires=[
+          'cffi',
+          'numpy',
+          'pyserial',
+          'python-rtmidi; python_version >= "3.9"',
+          'rtmidi-python; python_version < "3.9"',
+          'smbus',
+          'sounddevice',
+      ],
+      )