azalea/data-code-generator/main.py

from mappings import Mappings
import packetcodegen
import requests
import json
import os

# enable this if you already have the burger.json and don't want to wait
SKIP_BURGER = True

print(
    f'\033[92mFinding Minecraft version...\033[m')
version_manifest_data = requests.get(
    'https://launchermeta.mojang.com/mc/game/version_manifest.json').json()
minecraft_version = version_manifest_data['latest']['release']
print(
    f'\033[92mUsing \033[1m{minecraft_version}..\033[m')
package_url = next(
    filter(lambda v: v['id'] == minecraft_version, version_manifest_data['versions']))['url']
package_data = requests.get(package_url).json()
client_jar_url = package_data['downloads']['client']['url']

if not SKIP_BURGER:
    print('\033[92mDownloading Burger...\033[m')
    r = os.system('git clone https://github.com/pokechu22/Burger')
    os.system('cd Burger && git pull')
    print('\033[92mDownloading client jar...\033[m')
    with open('client.jar', 'wb') as f:
        f.write(requests.get(client_jar_url).content)

    print(f'\033[92mExtracting data with Burger...\033[m')
    os.system(
        'cd Burger && python munch.py ../client.jar --output ../burger.json')

client_mappings_url = package_data['downloads']['client_mappings']['url']
mappings = Mappings.parse(requests.get(client_mappings_url).text)


with open('burger.json', 'r') as f:
    burger_data = json.load(f)

burger_packets_data = burger_data[0]['packets']['packet']
packetcodegen.generate(burger_packets_data, mappings)

os.system('cd .. && cargo fmt')