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43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
"""Small, unprivileged Decky backend for the Framey author example."""
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import json
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import os
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from pathlib import Path
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import tempfile
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import decky
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def settings_file():
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# Decky provides this per-plugin path through its official Python module.
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return Path(decky.DECKY_PLUGIN_SETTINGS_DIR) / 'settings.json'
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class Plugin:
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async def get_setting(self, key: str, default=False):
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if key != 'enabled':
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raise ValueError('Unknown setting')
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try:
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stored = json.loads(settings_file().read_text(encoding='utf-8'))
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except (FileNotFoundError, json.JSONDecodeError, UnicodeDecodeError):
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return default
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value = stored.get(key) if isinstance(stored, dict) else None
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return value if type(value) is bool else default
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async def set_setting(self, key: str, value: bool):
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if key != 'enabled' or type(value) is not bool:
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raise ValueError('Expected an enabled boolean')
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target = settings_file()
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target.parent.mkdir(mode=0o700, parents=True, exist_ok=True)
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temporary = None
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try:
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with tempfile.NamedTemporaryFile('w', encoding='utf-8', dir=target.parent,
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prefix='.settings-', delete=False) as output:
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temporary = Path(output.name)
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json.dump({'enabled': value}, output)
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output.write('\n')
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temporary.chmod(0o600)
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os.replace(temporary, target)
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finally:
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if temporary is not None:
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temporary.unlink(missing_ok=True)
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return True
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