First baseline done

archinstall.py

@@ -1,3 +1,85 @@
 #!/usr/bin/python3
+import psutil, os, re, struct, sys
+from glob import glob
+from socket import inet_ntoa, AF_INET, AF_INET6
+from collections import OrderedDict as oDict
+from subprocess import Popen, STDOUT, PIPE
 
-print('Done')
+rootdir_pattern = re.compile('^.*?/devices')
+harddrives = oDict()
+
+print(sys.argv)
+
+def get_default_gateway_linux():
+	"""Read the default gateway directly from /proc."""
+	with open("/proc/net/route") as fh:
+		for line in fh:
+			fields = line.strip().split()
+			if fields[1] != '00000000' or not int(fields[3], 16) & 2:
+				continue
+
+			return inet_ntoa(struct.pack("<L", int(fields[2], 16)))
+
+	#for nic, opts in psutil.net_if_addrs().items():
+	#	for addr in opts:
+	#		if addr.family in (AF_INET, AF_INET6) and addr.address:
+	#			if addr.address in ('127.0.0.1', '::1'): continue
+	#			print(addr)
+
+def update_git():
+	default_gw = get_default_gateway_linux()
+	if(default_gw):
+		handle = Popen('git pull', shell='True', stdout=PIPE, stderr=STDOUT)
+		output = b''
+		while handle.poll() is None:
+			output += handle.stdout.read()
+		output += handle.stdout.read()
+
+		if b'error:' in output:
+			print('[E] Could not update git source for some reason.')
+			return
+
+		# b'From github.com:Torxed/archinstall\n   339d687..80b97f3  master     -> origin/master\nUpdating 339d687..80b97f3\nFast-forward\n README.md | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)\n'
+		tmp = re.findall(b'[0-9]+ file changed', output)
+		if len(tmp):
+			num_changes = int(tmp[0].split(b' ',1)[0])
+			if(num_changes):
+				## Reboot the script (in same context)
+				os.execv('/usr/bin/python3', ['archinstall.py', 'archinstall.py'] + sys.argv[1:])
+
+def device_state(name):
+	# Based out of: https://askubuntu.com/questions/528690/how-to-get-list-of-all-non-removable-disk-device-names-ssd-hdd-and-sata-ide-onl/528709#528709
+	with open('/sys/block/{}/device/block/{}/removable'.format(name, name)) as f:
+		if f.read(1) == '1':
+			return
+
+	path = rootdir_pattern.sub('', os.readlink('/sys/block/{}'.format(name)))
+	hotplug_buses = ("usb", "ieee1394", "mmc", "pcmcia", "firewire")
+	for bus in hotplug_buses:
+		if os.path.exists('/sys/bus/{}'.format(bus)):
+			for device_bus in os.listdir('/sys/bus/{}/devices'.format(bus)):
+				device_link = rootdir_pattern.sub('', os.readlink('/sys/bus/{}/devices/{}'.format(bus, device_bus)))
+				if re.search(device_link, path):
+					return
+	return True
+
+def update_drive_list():
+	for path in glob('/sys/block/*/device'):
+		name = re.sub('.*/(.*?)/device', '\g<1>', path)
+		if device_state(name):
+			harddrives['/dev/{}'.format(name)] = psutil.disk_usage('/dev/{}'.format(name))
+
+if __name__ == '__main__':
+	update_git() # Breaks and restarts the script if an update was found.
+	update_drive_list()
+
+	first_drive = list(harddrives.keys())[0]
+	print(harddrives[first_drive])
+
+	#for part in psutil.disk_partitions():
+	#	print(part)
+
+	## Networking
+	#print(psutil.net_if_addrs())
+
+	print('Done')