Server list point checker

mt_serverlist_points.py

#!/usr/bin/python3

#  list all servers and their points:
#  $ python mt_serverlist_points.py
#
#  lists all penalties being applied:
#  $ python mt_serverlist_points.py pen
#
#  penalty -8 uptime for VanessaE's Nostalgia Server/digitalaudioconcepts.com
#  penalty -8 uptime for VanessaE's Basic minetest_game server/digitalaudioconcepts.com
#  penalty -8 uptime for VanessaE's Realtest Server/digitalaudioconcepts.com
#  penalty -8 uptime for VanessaE's Free-for-All Minetest Server/digitalaudioconcepts.com
#  penalty -8 uptime for VanessaE's/Nore's Lua mapgen test Server/digitalaudioconcepts.com
#  penalty -8 uptime for VanessaE's Survival Server/digitalaudioconcepts.com
#  penalty -8 uptime for VanessaE's Creative Server/digitalaudioconcepts.com
#  penalty -8 clients_max for The Sentinel Empire Server 1/23.246.86.66
#
#  list the point break down of (a) server(s):
#  $ python mt_serverlist_points.py digitalaudioconcepts.com
#     or
#  $ python mt_serverlist_points.py VanessaE's Basic minetest_game
#
#  VanessaE's Basic minetest_game server:
#     13 clients: +13
#     0 guests / 8:  +0
#     months of game_time (max 8): +8
#     average clients / 2: +6.40909090909
#        = 25

import datetime,re

def server_points(server, v=False, p=False):
	if v:
		print(server['name'] + ":")

	points = 0

	# 1 per client, but only 1/8 per client with a guest
	# or all-numeric name.
	if "clients_list" in server:
		clients = 0
		guests = 0
		for name in server["clients_list"]:
			if re.match(r"[A-Z][a-z]{3,}[1-9][0-9]{2,3}", name):
				points += 1/8
				guests += 1
			else:
				points += 1
				clients += 1
		if v:
			print("   " + str(clients) + " clients: +" + str(clients))
			print("   " + str(guests)  + " guests / 8:  +" + str(guests/8))


		if p and guests > 0:
			print("penalty -" + str(guests * 7/8) + " guests for " + server["name"] + "/" + server["address"])
	else:
		# Old server (1/4 per client)
		points = server["clients"] / 4
		if v:
			print("- clients: +" + str(server["clients"] / 4))

	# Penalize highly loaded servers to improve player distribution.
	# Note: This doesn't just make more than 16 players stop
	# increasing your points, it can actually reduce your points
	# if you have guests/all-numerics.
	if server["clients"] > 16:
		if v:
			print("   highly loaded server: -" + str(server["clients"] - 16))
		points -= server["clients"] - 16

	# 1 per month of age, limited to 8
	points += min(8, server["game_time"] / (60*60*24*30))
	if v:
		print("   months of game_time (max 8): +" + str(min(8, server["game_time"] / (60*60*24*30))))

	# 1/2 per average client, limited to 4
	points += min(4, server["pop_v"] / 2)
	if v:
		print("   average clients / 2: +" + str(server["pop_v"] / 2))

	# -8 for unrealistic max_clients
	if server["clients_max"] >= 128:
		points -= 8
		if p:
			print("penalty -8 clients_max for " + server["name"] + "/" + server["address"])
		if v:
			print("   unrealistic client_max: -8")

	# -8 for unrealistic game time
	#before = datetime.datetime(2011, 01, 01)
	#now = datetime.datetime.now()
	#if server["game_time"] / (60*60*24) >= (now - before).days:
	#	points -= 8
	#	if p:
	#		print("penalty -8 game_time for " + server["name"] + "/" + server["address"])
	#	if v:
	#		print("   unrealistic game_time: -8")

	# -8 per second of ping over 0.4s
	if server["ping"] > 0.4:
		points -= (server["ping"] - 0.4) * 8
		if p:
			print("penalty -"+str((server["ping"] - 0.4) * 8)+" ping for " + server["name"] + "/" + server["address"])
		if v:
			print("   ping greater than 0.4s: -" + str((server["ping"] - 0.4) * 8))

	# Up to -8 for less than an hour of uptime (penalty linearly decreasing)
	HOUR_SECS = 60 * 60
	uptime = server["uptime"]
	if uptime < HOUR_SECS:
		points -= ((HOUR_SECS - uptime) / HOUR_SECS) * 8
		if p:
			print("penalty -"+ str(((HOUR_SECS - uptime) / HOUR_SECS) * 8) +" uptime for " + server["name"] + "/" + server["address"])
		if v:
			print("   uptime less than one hour: -" + str(((HOUR_SECS - uptime) / HOUR_SECS) * 8))

	if v:
		print("      = " + str(points))

	return points

import urllib, json, io, sys

print("Downloading server list...")
import urllib.request
data = None
with urllib.request.urlopen("http://servers.minetest.net/list") as url:
	data = json.loads(url.read().decode('utf-8'))
print("Complete.")

for id, server in enumerate(data['list']):
	if len(sys.argv) != 2:
		print(str(id + 1) + ") " + server['name'] + " = " + str(server_points(server)))
	elif sys.argv[1].strip() == "pen":
		server_points(server, False, True)
	elif len(sys.argv[1].strip()) > 0 and (sys.argv[1] in server["name"] or
			sys.argv[1] in server["address"]):
		server_points(server, True)