# -*- coding: utf-8 -*-
"""The gzip file path specification implementation."""
from dfvfs.lib import definitions
from dfvfs.path import factory
from dfvfs.path import path_spec
[docs]
class GzipPathSpec(path_spec.PathSpec):
"""Gzip file path specification."""
TYPE_INDICATOR = definitions.TYPE_INDICATOR_GZIP
[docs]
def __init__(self, parent=None, **kwargs):
"""Initializes a path specification.
Note that the gzip file path specification must have a parent.
Args:
parent (Optional[PathSpec]): parent path specification.
Raises:
ValueError: when parent is not set.
"""
if not parent:
raise ValueError('Missing parent value.')
super(GzipPathSpec, self).__init__(parent=parent, **kwargs)
factory.Factory.RegisterPathSpec(GzipPathSpec)