"""The EXT path specification implementation."""
from dfvfs.lib import definitions
from dfvfs.path import factory
from dfvfs.path import path_spec
[docs]
class EXTPathSpec(path_spec.PathSpec):
"""EXT path specification implementation.
Attributes:
inode (int): inode.
location (str): location.
"""
TYPE_INDICATOR = definitions.TYPE_INDICATOR_EXT
[docs]
def __init__(self, inode=None, location=None, parent=None, **kwargs):
"""Initializes a path specification.
Note that an EXT path specification must have a parent.
Args:
inode (Optional[int]): inode.
location (Optional[str]): location.
parent (Optional[PathSpec]): parent path specification.
Raises:
ValueError: when parent or both inode and location are not set.
"""
if (not inode and not location) or not parent:
raise ValueError("Missing inode and location, or parent value.")
super().__init__(parent=parent, **kwargs)
self.inode = inode
self.location = location
@property
def comparable(self):
"""str: comparable representation of the path specification."""
string_parts = []
if self.inode is not None:
string_parts.append(f"inode: {self.inode:d}")
if self.location is not None:
string_parts.append(f"location: {self.location:s}")
return self._GetComparable(sub_comparable_string=", ".join(string_parts))
factory.Factory.RegisterPathSpec(EXTPathSpec)