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from lib.utils import get_dir_location
import xml.etree.ElementTree as ET
from .mappings import Mappings
import requests
import json
import os
# make sure the downloads directory exists
print('Making downloads')
if not os.path.exists(get_dir_location('downloads')):
print('Made downloads directory.', get_dir_location('downloads'))
os.mkdir(get_dir_location('downloads'))
def get_burger():
if not os.path.exists(get_dir_location('downloads/Burger')):
print('\033[92mDownloading Burger...\033[m')
os.system(
f'cd {get_dir_location("downloads")} && git clone https://github.com/pokechu22/Burger && cd Burger && git pull')
print('\033[92mInstalling dependencies...\033[m')
os.system('cd downloads/Burger && pip install six jawa')
def get_generator_mod():
if not os.path.exists(get_dir_location('downloads/minecraft-data-generator-server')):
print('\033[92mDownloading u9g/minecraft-data-generator-server...\033[m')
os.system(
f'cd {get_dir_location("downloads")} && git clone https://github.com/u9g/minecraft-data-generator-server && cd minecraft-data-generator-server && git pull')
return get_dir_location('downloads/minecraft-data-generator-server')
def get_version_manifest():
if not os.path.exists(get_dir_location(f'downloads/version_manifest.json')):
print(
f'\033[92mDownloading version manifest...\033[m')
version_manifest_data = requests.get(
'https://piston-meta.mojang.com/mc/game/version_manifest_v2.json').json()
with open(get_dir_location(f'downloads/version_manifest.json'), 'w') as f:
json.dump(version_manifest_data, f)
else:
with open(get_dir_location(f'downloads/version_manifest.json'), 'r') as f:
version_manifest_data = json.load(f)
return version_manifest_data
def get_version_data(version_id: str):
if not os.path.exists(get_dir_location(f'downloads/{version_id}.json')):
version_manifest_data = get_version_manifest()
print(
f'\033[92mGetting data for \033[1m{version_id}..\033[m')
try:
package_url = next(
filter(lambda v: v['id'] == version_id, version_manifest_data['versions']))['url']
except StopIteration:
raise ValueError(
f'No version with id {version_id} found. Maybe delete downloads/version_manifest.json and try again?')
package_data = requests.get(package_url).json()
with open(get_dir_location(f'downloads/{version_id}.json'), 'w') as f:
json.dump(package_data, f)
else:
with open(get_dir_location(f'downloads/{version_id}.json'), 'r') as f:
package_data = json.load(f)
return package_data
def get_client_jar(version_id: str):
if not os.path.exists(get_dir_location(f'downloads/client-{version_id}.jar')):
package_data = get_version_data(version_id)
print('\033[92mDownloading client jar...\033[m')
client_jar_url = package_data['downloads']['client']['url']
with open(get_dir_location(f'downloads/client-{version_id}.jar'), 'wb') as f:
f.write(requests.get(client_jar_url).content)
def get_server_jar(version_id: str):
if not os.path.exists(get_dir_location(f'downloads/server-{version_id}.jar')):
package_data = get_version_data(version_id)
print('\033[92mDownloading server jar...\033[m')
server_jar_url = package_data['downloads']['server']['url']
with open(get_dir_location(f'downloads/server-{version_id}.jar'), 'wb') as f:
f.write(requests.get(server_jar_url).content)
def get_mappings_for_version(version_id: str):
if not os.path.exists(get_dir_location(f'downloads/mappings-{version_id}.txt')):
package_data = get_version_data(version_id)
client_mappings_url = package_data['downloads']['client_mappings']['url']
mappings_text = requests.get(client_mappings_url).text
with open(get_dir_location(f'downloads/mappings-{version_id}.txt'), 'w') as f:
f.write(mappings_text)
else:
with open(get_dir_location(f'downloads/mappings-{version_id}.txt'), 'r') as f:
mappings_text = f.read()
return Mappings.parse(mappings_text)
def get_yarn_versions():
# https://meta.fabricmc.net/v2/versions/yarn
if not os.path.exists(get_dir_location('downloads/yarn_versions.json')):
print('\033[92mDownloading yarn versions...\033[m')
yarn_versions_data = requests.get(
'https://meta.fabricmc.net/v2/versions/yarn').json()
with open(get_dir_location('downloads/yarn_versions.json'), 'w') as f:
json.dump(yarn_versions_data, f)
else:
with open(get_dir_location('downloads/yarn_versions.json'), 'r') as f:
yarn_versions_data = json.load(f)
return yarn_versions_data
def get_yarn_data(version_id: str):
for version in get_yarn_versions():
if version['gameVersion'] == version_id:
return version
def get_fabric_api_versions():
# https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api/maven-metadata.xml
if not os.path.exists(get_dir_location('downloads/fabric_api_versions.json')):
print('\033[92mDownloading Fabric API versions...\033[m')
fabric_api_versions_xml_text = requests.get(
'https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api/maven-metadata.xml').text
# parse xml
fabric_api_versions_data_xml = ET.fromstring(
fabric_api_versions_xml_text)
fabric_api_versions = []
versioning_el = fabric_api_versions_data_xml.find('versioning')
assert versioning_el
versions_el = versioning_el.find('versions')
assert versions_el
for version_el in versions_el.findall('version'):
fabric_api_versions.append(version_el.text)
with open(get_dir_location('downloads/fabric_api_versions.json'), 'w') as f:
f.write(json.dumps(fabric_api_versions))
else:
with open(get_dir_location('downloads/fabric_api_versions.json'), 'r') as f:
fabric_api_versions = json.loads(f.read())
return fabric_api_versions
def clear_version_cache():
print('\033[92mClearing version cache...\033[m')
files = [
'version_manifest.json',
'yarn_versions.json',
'fabric_api_versions.json'
]
for file in files:
if os.path.exists(get_dir_location(f'downloads/{file}')):
os.remove(get_dir_location(f'downloads/{file}'))
os.system(
f'cd {get_dir_location("downloads/Burger")} && git pull')
os.system(
f'cd {get_dir_location("downloads/minecraft-data-generator-server")} && git pull')
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