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import importlib.machinery
import os
from torch.hub import _get_torch_home
_HOME = os.path.join(_get_torch_home(), "datasets", "vision")
_USE_SHARDED_DATASETS = False
IN_FBCODE = False
def _download_file_from_remote_location(fpath: str, url: str) -> None:
pass
def _is_remote_location_available() -> bool:
return False
try:
from torch.hub import load_state_dict_from_url # noqa: 401
except ImportError:
from torch.utils.model_zoo import load_url as load_state_dict_from_url # noqa: 401
def _get_extension_path(lib_name):
lib_dir = os.path.dirname(__file__)
if os.name == "nt":
# Register the main torchvision library location on the default DLL path
import ctypes
kernel32 = ctypes.WinDLL("kernel32.dll", use_last_error=True)
with_load_library_flags = hasattr(kernel32, "AddDllDirectory")
prev_error_mode = kernel32.SetErrorMode(0x0001)
if with_load_library_flags:
kernel32.AddDllDirectory.restype = ctypes.c_void_p
os.add_dll_directory(lib_dir)
kernel32.SetErrorMode(prev_error_mode)
loader_details = (importlib.machinery.ExtensionFileLoader, importlib.machinery.EXTENSION_SUFFIXES)
extfinder = importlib.machinery.FileFinder(lib_dir, loader_details)
ext_specs = extfinder.find_spec(lib_name)
if ext_specs is None:
raise ImportError
return ext_specs.origin
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