Merge pull request #144 from makermelissa/master

Converted libgpiod script

libgpiod.py

@@ -0,0 +1,61 @@
+# Instructions!
+# cd ~
+# sudo apt-get install python3-pip
+# sudo pip3 install --upgrade adafruit-python3-shell click
+# wget https://raw.githubusercontent.com/adafruit/Raspberry-Pi-Installer-Scripts/master/libgpiod.py
+# sudo python3 libgpiod.py
+
+try:
+    import click
+except ImportError:
+    raise RuntimeError("The library 'Click' was not found. To install, try typing: sudo pip3 install Click==7.0")
+try:
+    from adafruit_shell import Shell
+except ImportError:
+    raise RuntimeError("The library 'adafruit_shell' was not found. To install, try typing: sudo pip3 install adafruit-python-shell")
+
+shell = Shell()
+shell.group = 'LIBGPIOD'
+
+@click.command()
+@click.option('-l', '--legacy', is_flag=True, help="Install a legacy version of libgpiod for systems with older libraries")
+def main(legacy):
+    print("""Installing build requirements - this may take a few minutes!
+""")
+
+    # install generic linux packages required
+    shell.run_command("sudo apt-get update")
+    shell.run_command("sudo apt-get install -y autoconf autoconf-archive automake build-essential git libtool pkg-config python3-dev python3-setuptools swig3.0 wget")
+
+    # for raspberry pi we need...
+    shell.run_command("sudo apt-get install -y raspberrypi-kernel-headers")
+
+    build_dir = shell.run_command("mktemp -d /tmp/libgpiod.XXXX", return_output=True)
+    print("""Cloning libgpiod repository to {}
+""".format(build_dir))
+
+    shell.chdir(build_dir)
+    shell.run_command("git clone git://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git .")
+
+    if legacy:
+        shell.run_command("git checkout v1.4.2 -b v1.4.2")
+
+    print("""Building libgpiod
+""")
+
+    include_path = shell.run_command("python3 -c \"from sysconfig import get_paths; print(get_paths()['include'])\"", return_output=True)
+
+    shell.run_command("export PYTHON_VERSION=3")
+    shell.run_command("./autogen.sh --enable-tools=yes --prefix=/usr/local/ --enable-bindings-python CFLAGS=\"-I/{}\" && make && sudo make install && sudo ldconfig".format(include_path))
+
+    if shell.exists("bindings/python/.libs"):
+        # This is not the right way to do this, but it works
+        shell.run_command("sudo cp bindings/python/.libs/gpiod.so /usr/local/lib/python3.?/dist-packages/")
+        shell.run_command("sudo cp bindings/python/.libs/gpiod.la /usr/local/lib/python3.?/dist-packages/")
+        shell.run_command("sudo cp bindings/python/.libs/gpiod.a /usr/local/lib/python3.?/dist-packages/")
+    shell.exit()
+
+# Main function
+if __name__ == "__main__":
+    shell.require_root()
+    main()