delta_upgrade.py

import requests
import shutil
import os
import glob
import json
import sys
import tarfile
import zipfile
from delta_util import *
import delta_install
import delta_remove

modfolder = "@ERROR@"
jarfolder = "@ERROR@"
execdir = "@ERROR@"
instance = "@ERROR@"
tkinst = None

def init_config_upgrade(data): #data is a 5-tuple
	global modfolder, jarfolder, mc_version, execdir, instance, gui #makes it edit the global vars rather than create new ones
	modfolder, jarfolder, mc_version, execdir, instance, gui = data

def recieve_tkinst_upgrade(data):
	global tkinst
	tkinst = data

def upgrade_mod(modname):
	os.chdir(execdir + "/Data/DeltaMC-Archive")
	if(modname == None):
		modname = cinput("Enter mod name: ")
	update = [get_installed_json(modname),get_mod(modname)]
	if(os.path.exists(os.path.join(execdir + "/LocalData/ModsDownloaded/"+instance, modname + ".installed"))):  # Telling user that file exists
		for file in glob.glob(modname + ".installed"):
			cprint(file + " found.")
	else:
		cprint("Mod "+modname+" not found.")
		return
	os.chdir(execdir + "/LocalData") #restoring current working dir
	if(update[1]["Versions"][0]["Version"] != get_latest_compatible_version(update[0]) and mod_installed(modname)):
		delta_remove.remove_mod(modname)
		delta_install.install_mod(modname)
	elif(not mod_installed(modname)):
		cprint(modname+" is not installed.")
	else:
		cprint(modname+" is already up to date.")

def get_upgrades(inst = None): #returns a list of 2-element lists of jsons (in which index 0 is the version you have and index 1 is the newest version)
	updates = []
	mods = get_installed_mods(inst)
	for mod in mods:
		if(mod != None):
			mod_data = get_mod_from_name(mod.name)
			if(mod_data != None and get_latest_compatible_version(mod_data) != mod.versions[0]["Version"]):
				updates.append([mod,mod_data]) #append list of jsons for installed version and newest version
	return(updates)

def get_upgrade_names(inst = None): #returns a list of mod names
	updates = []
	mods = get_installed_mods(inst)
	for mod in mods:
		if(mod != None):
			mod_data = get_mod_from_name(mod.name)
			if(mod_data != None and get_latest_compatible_version(mod_data) != mod.versions[0]["Version"]):
				updates.append(mod_data.name) #append mod name
	return(updates)

def check_upgrades(full, inst = None): #full is a flag for whether to print full list of updates or just updates available message
	if(not instance_exists(inst) and inst != None):
		cprint("Instance "+inst+" does not exist.")
		return
	updates = get_upgrades(inst)
	if(len(updates)>0):
		if(not full):
			cprint("\nMod upgrades available!")
		else:
			for update in updates:
				cprint("Available Updates:")
				cprint(" "+update[0].name+" (current version: "+update[1].versions[0]["Version"]+", you have: "+update[0].versions[0]["Version"]+")")
	else:
		if(full): #don't print "no updates available" on startup
			cprint("No upgrades available.")