31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
from shutil import disk_usage
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from os.path import isdir
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from tiramisu import FilenameOption, FloatOption, OptionDescription, Config, \
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Calculation, Params, ParamValue, ParamOption, ParamSelfOption
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def valid_is_dir(path):
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# verify if path is a directory
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if not isdir(path):
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raise ValueError('this directory does not exist')
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def calc_disk_usage(path, size='bytes'):
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# do not calc if path is None
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if path is None:
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return None
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if size == 'bytes':
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div = 1
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else:
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# bytes to gigabytes
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div = 1024 * 1024 * 1024
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return disk_usage(path).free / div
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filename = FilenameOption('path', 'Path', validators=[Calculation(valid_is_dir,
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Params(ParamSelfOption()))])
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usage = FloatOption('usage', 'Disk usage', Calculation(calc_disk_usage,
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Params(ParamOption(filename))))
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disk = OptionDescription('disk', 'Verify disk usage', [filename, usage])
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root = OptionDescription('root', 'root', [disk])
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config = Config(root)
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config.property.read_write()
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