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Editing File: /home/ubuntu/.local/lib/python3.10/site-packages/PIL/Hdf5StubImagePlugin.py

#
# The Python Imaging Library
# $Id$
#
# HDF5 stub adapter
#
# Copyright (c) 2000-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
from __future__ import annotations

from . import Image, ImageFile

_handler = None

def register_handler(handler):
    """
    Install application-specific HDF5 image handler.

:param handler: Handler object.
    """
    global _handler
    _handler = handler

# --------------------------------------------------------------------
# Image adapter

def _accept(prefix):
    return prefix[:8] == b"\x89HDF\r\n\x1a\n"

class HDF5StubImageFile(ImageFile.StubImageFile):
    format = "HDF5"
    format_description = "HDF5"

def _open(self):
        offset = self.fp.tell()

if not _accept(self.fp.read(8)):
            msg = "Not an HDF file"
            raise SyntaxError(msg)

self.fp.seek(offset)

# make something up
        self._mode = "F"
        self._size = 1, 1

loader = self._load()
        if loader:
            loader.open(self)

def _load(self):
        return _handler

def _save(im, fp, filename):
    if _handler is None or not hasattr(_handler, "save"):
        msg = "HDF5 save handler not installed"
        raise OSError(msg)
    _handler.save(im, fp, filename)

# --------------------------------------------------------------------
# Registry

Image.register_open(HDF5StubImageFile.format, HDF5StubImageFile, _accept)
Image.register_save(HDF5StubImageFile.format, _save)

Image.register_extensions(HDF5StubImageFile.format, [".h5", ".hdf"])

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