def rename(self, filename, replace=False):
"""Move file.
:param filename: target location
:type filename: unicode
:param replace: if True replace the target file if it exists
:type replace: bool
:raise: NTException
"""
target = "\\??\\%s" % os.path.abspath(filename)
target = target.encode("utf_16_le")
s = "?PL%ss" % len(target)
b = create_string_buffer(struct.calcsize(s))
b.raw = struct.pack(s, replace, 0, len(target), target)
status = NT.SetInformationFile(
self.handle,
pointer(self.io_status),
b,
struct.calcsize(s),
FileInfo.Rename.class_id,
)
if status < 0:
raise NTException(
status=status,
message="move of %s to %s failed" % (self.path, filename),
origin="NTFile.rename",
)
def dispose(self):
"""Remove the file (low level).
The remove is effective on call to close method
"""
fd = FileInfo.Disposition(1)
status = NT.SetInformationFile(self.handle, pointer(self.io_status),
pointer(fd),
sizeof(FileInfo.Disposition),
FileInfo.Disposition.class_id)
if status < 0:
raise NTException(status=status,
message="cannot dispose",
origin="NTFile.dispose")
def write_attributes(self):
"""Update file attributes.
:raise: NTException
"""
status = NT.SetInformationFile(self.handle, pointer(self.io_status),
pointer(self.basic_info),
sizeof(self.basic_info),
FileInfo.Basic.class_id)
if status < 0:
raise NTException(status=status,
message='cannot write attributes to %s' %
self.path,
origin='NTFile.write_attributes')
self.read_attributes()