wei
a93641b26d
Add some description about this project, and now it has a simple UI (made with Qt) If you don't specify the mode of (interface?) the UI. Launcher will show a crude window that lets you select a mode to start the (real) launcher. Test version data fetching functions. Looks great.
122 lines
4.5 KiB
Python
122 lines
4.5 KiB
Python
import json
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import requests
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from .core_init import logger
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MOJANG_VERSION_MANIFEST_V2 = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json"
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def get_version_manifest(manifest_url=MOJANG_VERSION_MANIFEST_V2, timeout=10) -> dict | None:
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logger.debug("Getting version manifest from {}".format(manifest_url))
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try:
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r = requests.get(manifest_url, timeout=timeout)
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except requests.exceptions.RequestException as e:
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logger.error("Error getting version manifest from {}".format(manifest_url))
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logger.error("Exception: {}".format(e))
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return None
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try:
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data = r.json()
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logger.debug("VersionManifest: {}".format(json.dumps(data, indent=4)))
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return data
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except ValueError as e:
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logger.error("Unable to deserialize response data into dictionary.")
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logger.error("URL: {}".format(manifest_url))
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logger.error("Exception: {}".format(e))
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return None
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def get_latest_version(version_manifest: dict, is_snapshot=False) -> None | str:
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latest = version_manifest.get("latest", {})
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if len(latest) == 0:
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logger.debug("No latest version section available in version manifest.")
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logger.debug("Data: {}".format(json.dumps(version_manifest, indent=4)))
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return None
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latest_ver = latest.get("release" if not is_snapshot else "snapshot", None)
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if latest_ver is None:
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logger.debug("No latest version available.")
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else:
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logger.debug("Latest version: {}".format(latest_ver))
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return latest_ver
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def get_specific_version_manifest_url(version_manifest: dict,
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version_id: str, is_snapshot=False) -> str | None:
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versions = version_manifest.get("versions", [])
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if len(versions) == 0:
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logger.debug("No version section available in version manifest.")
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return None
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ver_type = "release" if not is_snapshot else "snapshot"
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versions = [version for version in versions if version.get("type") == ver_type]
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for version in versions:
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if version.get("id") == version_id:
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specific_ver_manifest_url = version.get("url", None)
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if specific_ver_manifest_url is None:
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logger.debug("Specific version manifest URL not available in version manifest.")
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return None
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return specific_ver_manifest_url
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logger.debug("No version section available in version manifest.")
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return None
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def fetch_specific_version_manifest(version_manifest: dict, spec_version: str) -> dict | None:
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ver_url = get_specific_version_manifest_url(version_manifest, spec_version)
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if ver_url is None:
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logger.debug("Unable to get specific version manifest url from version manifest.\n"
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"Version: {}".format(spec_version))
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return None
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try:
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r = requests.get(ver_url, timeout=10)
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except requests.exceptions.RequestException as e:
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logger.error("Error getting version manifest from {}".format(ver_url))
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logger.error("Exception: {}".format(e))
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return None
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try:
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data = r.json()
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logger.debug("SpecificVersionManifest: {}".format(json.dumps(data, indent=4)))
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return data
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except ValueError as e:
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logger.error("Unable to deserialize response data into dictionary.")
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def find_useful_part_in_specific_version_manifest(spec_version_manifest: dict)\
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-> tuple[dict | None, dict | None, dict | None, dict | None, list | None, str | None]:
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arguments = spec_version_manifest.get("arguments", {})
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asset_index = spec_version_manifest.get("assetIndex", {})
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downloads = spec_version_manifest.get("downloads", {})
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java_version = spec_version_manifest.get("java_version", {})
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libraries = spec_version_manifest.get("libraries", [])
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main_class = spec_version_manifest.get("mainClass", None)
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if len(arguments) == 0:
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logger.debug("No arguments section available in version manifest.")
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if len(asset_index) == 0:
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logger.debug("No asset index section available in version manifest.")
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if len(downloads) == 0:
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logger.debug("No downloads section available in version manifest.")
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if len(java_version) == 0:
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logger.debug("No java version section available in version manifest.")
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if len(libraries) == 0:
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logger.debug("No libraries section available in version manifest.")
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if main_class is None:
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logger.debug("No main class section available in version manifest.")
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return arguments, asset_index, downloads, java_version, libraries, main_class
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