def GetFileEntryByPathSpec(self, path_spec):
"""Retrieves a file entry for a path specification.
Args:
path_spec (PathSpec): a path specification.
Returns:
CPIOFileEntry: a file entry or None if not available.
"""
location = getattr(path_spec, 'location', None)
if (location is None or
not location.startswith(self.LOCATION_ROOT)):
return None
if len(location) == 1:
return cpio_file_entry.CPIOFileEntry(
self._resolver_context, self, path_spec, is_root=True,
is_virtual=True)
cpio_archive_file_entry = self._cpio_archive_file.GetFileEntryByPath(
location[1:])
if cpio_archive_file_entry is None:
return None
return cpio_file_entry.CPIOFileEntry(
self._resolver_context, self, path_spec,
cpio_archive_file_entry=cpio_archive_file_entry)
def testIntialize(self):
"""Test the initialize functionality."""
file_entry = cpio_file_entry.CPIOFileEntry(self._resolver_context,
self._file_system,
self._cpio_path_spec)
self.assertIsNotNone(file_entry)