ThatMinecraftLauncher/earlyLauncher/earlylauncher.py

#!/usr/bin/python2

#TODO: make the code self-explanatory
import urllib2, json, os, sys
print "LinuxMint4Ever's EarlyLauncher version BETA 2.0_002"

#globally used variables
config = []
main = (__name__ == "__main__")

#When run directly, make sure that we are in the correct directory.
if main:
    if os.path.isfile(os.path.join(os.getcwd(), "earlylauncher.py")):
        pass
    else:
        print "Error: Not running from the EarlyLauncher Directory"
        sys.exit(1)

def readFile(fileName):
    fileReader = open(fileName, "r")
    fileContents = fileReader.read()
    fileReader.close()
    return fileContents

def loadConfig(configFile = "config.txt"):
    global config
    #read the config file
    if main:
        try:
            configRaw=readFile(configFile).split("\n")
        except:
            print "Error: Could not read config file."
            sys.exit(1)
    else:
        configRaw=readFile(configFile).split("\n")
    #put config options and values in a two dimensional list
    for i in range(len(configRaw)):
        #ignore empty lines and comments
        if configRaw[i] == "":
            pass
        elif configRaw[i][0] == '#':
            pass
        else:
            config = config + [configRaw[i].split("=")]

def getToken(username, password):
    data = {
            "agent": {
                    "name": "Minecraft",
                    "version": 1
            },
            "username": username,
            "password": password
    }
    try:
        request = urllib2.Request(url='https://authserver.mojang.com/authenticate', data=json.dumps(data).encode(), headers={"Content-Type": "application/json"})
        answer = json.loads(urllib2.urlopen(request).read().decode())
    except:
        #TODO: Replace with proper error handling
        return False, False, False

    username     = answer['selectedProfile']['name']
    access_token = answer['accessToken']
    profile_id   = answer['selectedProfile']['id']


    return access_token, profile_id, username


if main:
    loadConfig()
    #TODO: get config values
    #TODO: allow the use of sys.argv to override config

    name=raw_input("eMail or username: ")
    pw=raw_input("Password: ")
    #TODO: Use last accesToken in offline situations
    accessToken, uuid, username = getToken(str(name), str(pw))
    #TODO: use config (or sys.argv) values
    os.system("java -Xmx"+str(ram)+alignTo+" -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -Djava.library.path=runningDir/1.7.10-Forge10.13.4.1614-1.7.10-natives-6365946440842 -cp runningDir/libraries/net/minecraftforge/forge/1.7.10-10.13.4.1614-1.7.10/forge-1.7.10-10.13.4.1614-1.7.10.jar;runningDir/libraries/net/minecraft/launchwrapper/1.12/launchwrapper-1.12.jar;runningDir/libraries/org/ow2/asm/asm-all/5.0.3/asm-all-5.0.3.jar;runningDir/libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar;runningDir/libraries/com/typesafe/config/1.2.1/config-1.2.1.jar;runningDir/libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar;runningDir/libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar;runningDir/libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar;runningDir/libraries/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar;runningDir/libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar;runningDir/libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar;runningDir/libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar;runningDir/libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar;runningDir/libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar;runningDir/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar;runningDir/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar;runningDir/libraries/com/google/guava/guava/17.0/guava-17.0.jar;runningDir/libraries/org/apache/commons/commons-lang3/3.3.2/commons-lang3-3.3.2.jar;runningDir/libraries/com/mojang/netty/1.6/netty-1.6.jar;runningDir/libraries/com/mojang/realms/1.3.5/realms-1.3.5.jar;runningDir/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar;runningDir/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar;runningDir/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar;runningDir/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar;runningDir/libraries/java3d/vecmath/1.3.1/vecmath-1.3.1.jar;runningDir/libraries/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar;runningDir/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar;runningDir/libraries/net/sf/jopt-simple/jopt-simple/4.5/jopt-simple-4.5.jar;runningDir/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar;runningDir/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar;runningDir/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar;runningDir/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar;runningDir/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar;runningDir/libraries/io/netty/netty-all/4.0.10.Final/netty-all-4.0.10.Final.jar;runningDir/libraries/com/google/guava/guava/15.0/guava-15.0.jar;runningDir/libraries/org/apache/commons/commons-lang3/3.1/commons-lang3-3.1.jar;runningDir/libraries/commons-io/commons-io/2.4/commons-io-2.4.jar;runningDir/libraries/commons-codec/commons-codec/1.9/commons-codec-1.9.jar;runningDir/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar;runningDir/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar;runningDir/libraries/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar;runningDir/libraries/com/mojang/authlib/1.5.21/authlib-1.5.21.jar;runningDir/libraries/org/apache/logging/log4j/log4j-api/2.0-beta9/log4j-api-2.0-beta9.jar;runningDir/libraries/org/apache/logging/log4j/log4j-core/2.0-beta9/log4j-core-2.0-beta9.jar;runningDir/libraries/org/lwjgl/lwjgl/lwjgl/2.9.1/lwjgl-2.9.1.jar;runningDir/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.1/lwjgl_util-2.9.1.jar;runningDir/libraries/tv/twitch/twitch/5.16/twitch-5.16.jar;runningDir/1.7.10.jar net.minecraft.launchwrapper.Launch --username "+username+" --version 1.7.10-Forge10.13.4.1614-1.7.10 --