50 lines
1.5 KiB
Python
Executable File
50 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# fempkg - a simple package manager
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# Copyright (C) 2026 Gabriel Di Martino
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import json, os
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from pathlib import Path
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DB_PATH = "/var/lib/fempkg/db.json"
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Path(os.path.dirname(DB_PATH)).mkdir(parents=True, exist_ok=True)
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def load_db():
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if os.path.exists(DB_PATH):
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with open(DB_PATH, "r") as f:
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return json.load(f)
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return {"installed": {}}
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def save_db(db):
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with open(DB_PATH, "w") as f:
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json.dump(db, f, indent=2)
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def register_package(name, version, db=None):
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if db is None:
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db = load_db()
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db["installed"][name] = version
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save_db(db)
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print(f"Registered: {name}-{version}")
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def is_installed(name, version=None, db=None):
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if db is None:
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db = load_db()
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installed_ver = db["installed"].get(name)
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if installed_ver is None:
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return False
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if version:
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return installed_ver == version
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return True
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