def close(cls, fp):
"""
:type fp: WindowsFile
:rtype: bool
"""
if fp.map_view:
WindowsInterop.unmap_view_of_file(fp.map_view)
if fp.file_map:
WindowsInterop.close_handle(fp.file_map)
return bool(WindowsInterop.close_handle(fp.handle))
def get_path(cls, fp):
"""
:type fp: WindowsFile:
:rtype: str
"""
if not fp.file_map:
fp.file_map = WindowsInterop.create_file_mapping(fp.handle, WindowsASIO.Protection.READONLY)
if not fp.map_view:
fp.map_view = WindowsInterop.map_view_of_file(fp.file_map, WindowsASIO.FileMapAccess.READ, 1)
file_name = WindowsInterop.get_mapped_file_name(fp.map_view)
return file_name
def read(cls, fp, buf_size=DEFAULT_BUFFER_SIZE):
"""
:type fp: WindowsFile
:type buf_size: int
:rtype: str
"""
return WindowsInterop.read_file(fp.handle, buf_size)
def seek(cls, fp, offset, origin):
"""
:type fp: WindowsFile
:type offset: int
:type origin: int
:rtype: int
"""
return WindowsInterop.set_file_pointer(
fp.handle,
offset,
origin
)
def open(cls, file_path, parameters=None):
"""
:type file_path: str
:rtype: WindowsFile
"""
if not parameters:
parameters = {}
return WindowsFile(WindowsInterop.create_file(
file_path,
parameters.get('desired_access', WindowsASIO.GenericAccess.READ),
parameters.get('share_mode', WindowsASIO.ShareMode.ALL),
parameters.get('creation_disposition', WindowsASIO.CreationDisposition.OPEN_EXISTING),
parameters.get('flags_and_attributes', NULL)
))
def get_size(cls, fp):
"""
:type fp: WindowsFile:
:rtype: int
"""
return WindowsInterop.get_file_size(fp.handle)