# -*- coding: utf-8 -*-
"""The SleuthKit (TSK) partition path specification implementation."""
from dfvfs.lib import definitions
from dfvfs.path import factory
from dfvfs.path import path_spec
[docs]
class TSKPartitionPathSpec(path_spec.PathSpec):
"""SleuthKit (TSK) partition path specification.
Attributes:
location (str): location.
part_index (int): part index.
start_offset (int): start offset.
"""
TYPE_INDICATOR = definitions.TYPE_INDICATOR_TSK_PARTITION
[docs]
def __init__(
self, location=None, parent=None, part_index=None, start_offset=None,
**kwargs):
"""Initializes a path specification.
Note that the TSK partition path specification must have a parent.
Args:
location (Optional[str]): location.
parent (Optional[PathSpec]): parent path specification.
part_index (Optional[int]): part index.
start_offset (Optional[int]): start offset.
Raises:
ValueError: when parent is not set.
"""
if not parent:
raise ValueError('Missing parent value.')
super(TSKPartitionPathSpec, self).__init__(parent=parent, **kwargs)
self.location = location
self.part_index = part_index
self.start_offset = start_offset
@property
def comparable(self):
"""str: comparable representation of the path specification."""
string_parts = []
if self.location is not None:
string_parts.append(f'location: {self.location:s}')
if self.part_index is not None:
string_parts.append(f'part index: {self.part_index:d}')
if self.start_offset is not None:
string_parts.append(f'start offset: 0x{self.start_offset:08x}')
return self._GetComparable(sub_comparable_string=', '.join(string_parts))
factory.Factory.RegisterPathSpec(TSKPartitionPathSpec)