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import json
import os
from meta.common import (
ensure_component_dir,
launcher_path,
upstream_path,
transform_maven_key,
)
from meta.common.fabric import (
JARS_DIR,
INSTALLER_INFO_DIR,
META_DIR,
INTERMEDIARY_COMPONENT,
LOADER_COMPONENT,
)
from meta.model import MetaVersion, Dependency, Library, MetaPackage, GradleSpecifier
from meta.model.fabric import FabricJarInfo, FabricInstallerDataV1, FabricMainClasses
LAUNCHER_DIR = launcher_path()
UPSTREAM_DIR = upstream_path()
ensure_component_dir(LOADER_COMPONENT)
ensure_component_dir(INTERMEDIARY_COMPONENT)
def load_jar_info(artifact_key) -> FabricJarInfo:
return FabricJarInfo.parse_file(
os.path.join(UPSTREAM_DIR, JARS_DIR, f"{artifact_key}.json")
)
def load_installer_info(version) -> FabricInstallerDataV1:
return FabricInstallerDataV1.parse_file(
os.path.join(UPSTREAM_DIR, INSTALLER_INFO_DIR, f"{version}.json")
)
def process_loader_version(entry) -> MetaVersion:
jar_info = load_jar_info(transform_maven_key(entry["maven"]))
installer_info = load_installer_info(entry["version"])
v = MetaVersion(
name="Fabric Loader", uid="net.fabricmc.fabric-loader", version=entry["version"]
)
v.release_time = jar_info.release_time
v.requires = [Dependency(uid="net.fabricmc.intermediary")]
v.order = 10
v.type = "release"
if isinstance(installer_info.main_class, FabricMainClasses):
v.main_class = installer_info.main_class.client
else:
v.main_class = installer_info.main_class
v.libraries = []
v.libraries.extend(installer_info.libraries.common)
v.libraries.extend(installer_info.libraries.client)
loader_lib = Library(
name=GradleSpecifier.from_string(entry["maven"]),
url="https://maven.fabricmc.net",
)
v.libraries.append(loader_lib)
return v
def process_intermediary_version(entry) -> MetaVersion:
jar_info = load_jar_info(transform_maven_key(entry["maven"]))
v = MetaVersion(
name="Intermediary Mappings",
uid="net.fabricmc.intermediary",
version=entry["version"],
)
v.release_time = jar_info.release_time
v.requires = [Dependency(uid="net.minecraft", equals=entry["version"])]
v.order = 11
v.type = "release"
v.libraries = []
v.volatile = True
intermediary_lib = Library(
name=GradleSpecifier.from_string(entry["maven"]),
url="https://maven.fabricmc.net",
)
v.libraries.append(intermediary_lib)
return v
def main():
recommended_loader_versions = []
recommended_intermediary_versions = []
with open(
os.path.join(UPSTREAM_DIR, META_DIR, "loader.json"), "r", encoding="utf-8"
) as f:
loader_version_index = json.load(f)
for entry in loader_version_index:
version = entry["version"]
print(f"Processing loader {version}")
v = process_loader_version(entry)
# Fabric Meta has a separate "stable" field, let's use that
if not recommended_loader_versions and entry["stable"]:
recommended_loader_versions.append(version)
v.write(os.path.join(LAUNCHER_DIR, LOADER_COMPONENT, f"{v.version}.json"))
with open(
os.path.join(UPSTREAM_DIR, META_DIR, "intermediary.json"), "r", encoding="utf-8"
) as f:
intermediary_version_index = json.load(f)
for entry in intermediary_version_index:
version = entry["version"]
print(f"Processing intermediary {version}")
v = process_intermediary_version(entry)
recommended_intermediary_versions.append(
version
) # all intermediaries are recommended
v.write(
os.path.join(LAUNCHER_DIR, INTERMEDIARY_COMPONENT, f"{v.version}.json")
)
package = MetaPackage(uid=LOADER_COMPONENT, name="Fabric Loader")
package.recommended = recommended_loader_versions
package.description = (
"Fabric Loader is a tool to load Fabric-compatible mods in game environments."
)
package.project_url = "https://fabricmc.net"
package.authors = ["Fabric Developers"]
package.write(os.path.join(LAUNCHER_DIR, LOADER_COMPONENT, "package.json"))
package = MetaPackage(uid=INTERMEDIARY_COMPONENT, name="Intermediary Mappings")
package.recommended = recommended_intermediary_versions
package.description = "Intermediary mappings allow using Fabric Loader with mods for Minecraft in a more compatible manner."
package.project_url = "https://fabricmc.net"
package.authors = ["Fabric Developers"]
package.write(os.path.join(LAUNCHER_DIR, INTERMEDIARY_COMPONENT, "package.json"))
if __name__ == "__main__":
main()
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