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a840dc28f3
automatically from the first available partition. There is no need to fiddle with sizes while keeping the offsets in mind any longer. Introduced Bytes() class which makes it a lot easier to handle size units.
59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
from abstract import AbstractPartition
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class BasePartition(AbstractPartition):
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events = [{'name': 'create', 'src': 'nonexistent', 'dst': 'unmapped'},
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{'name': 'map', 'src': 'unmapped', 'dst': 'mapped'},
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{'name': 'format', 'src': 'mapped', 'dst': 'formatted'},
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{'name': 'mount', 'src': 'formatted', 'dst': 'mounted'},
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{'name': 'unmount', 'src': 'mounted', 'dst': 'formatted'},
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{'name': 'unmap', 'src': 'formatted', 'dst': 'unmapped_fmt'},
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{'name': 'map', 'src': 'unmapped_fmt', 'dst': 'formatted'},
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{'name': 'unmap', 'src': 'mapped', 'dst': 'unmapped'},
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]
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def __init__(self, size, filesystem, previous):
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self.previous = previous
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from common.bytes import Bytes
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self.offset = Bytes(0)
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self.flags = []
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super(BasePartition, self).__init__(size, filesystem)
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def create(self, volume):
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self.fsm.create(volume=volume)
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def get_index(self):
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if self.previous is None:
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return 1
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else:
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return self.previous.get_index() + 1
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def get_start(self):
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if self.previous is None:
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return self.offset
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else:
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return self.previous.get_end() + self.offset
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def map(self, device_path):
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self.fsm.map(device_path=device_path)
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def _before_create(self, e):
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from common.tools import log_check_call
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create_command = ('mkpart primary {start} {end}'
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.format(start=str(self.get_start()),
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end=str(self.get_end())))
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log_check_call(['/sbin/parted', '--script', '--align', 'none', e.volume.device_path,
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'--', create_command])
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for flag in self.flags:
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log_check_call(['/sbin/parted', '--script', e.volume.device_path,
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'--', ('set {idx} {flag} on'
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.format(idx=str(self.get_index()), flag=flag))])
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def _before_map(self, e):
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self.device_path = e.device_path
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def _before_unmap(self, e):
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self.device_path = None
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