41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
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import os, json
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from .package import Package
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from .errors import *
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class PackageManager:
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def __init__(self, vfs):
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self.vfs = vfs
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self.package_map = {}
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self.package_list = []
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self.main_package = None
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def get_package_meta(self, filepath):
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if not os.path.exists(filepath):
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raise FilepathNotFound(filepath)
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gamepkg_path = os.path.join(filepath, 'gamepackage.json')
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if not os.path.exists(gamepkg_path):
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raise GamePackageMissing(gamepkg_path)
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meta = json.load(open(gamepkg_path))
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if 'name' not in meta or 'type' not in meta:
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raise GamePackageMalformed(gamepkg_path)
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return meta
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def set_main_package(self, filepath):
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meta = self.get_package_meta(filepath)
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if meta['type'] != 'main':
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raise InvalidPackageType(filepath, meta['type'])
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vfs_path = f'/main/'
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self.vfs.mount(filepath, vfs_path, 0)
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new_package = Package(type('', (object,), meta), vfs_path, self.vfs)
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self.main_package = new_package
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def include_package(self, filepath):
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meta = self.get_package_meta(filepath)
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if meta['name'] in self.package_map:
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raise PackageAlreadyLoaded(meta['name'])
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vfs_path = f'/include/{meta["name"]}'
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self.vfs.mount(filepath, vfs_path, 0)
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new_package = Package(type('', (object,), meta), vfs_path, self.vfs)
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self.package_map[meta['name']] = new_package
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self.package_list.insert(0, new_package)
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