def init(names: str, *_args: Any, **_kwargs: Any) -> None:
"""Initialize additional image formats.
Args:
names: Names separated by a comma of the image formats to add.
"""
for name in names.split(","):
name = name.lower().strip()
try:
test = FORMATS[name]
files.add_image_format(name, test)
_logger.debug("Added image format '%s'", name)
except KeyError:
_logger.error("Ignoring unknown image format '%s'", name)
def add_external_format(
file_format: str,
test_func: Callable[[bytes, BinaryIO], bool],
load_func: Callable[[str], QPixmap],
) -> None:
"""Add support for new fileformat.
Args:
file_format: String value of the file type
test_func: Function returning True if load_func supports this type.
load_func: Function to load a QPixmap from the passed path.
"""
files.add_image_format(file_format, test_func)
imagereader.external_handler[file_format] = load_func
def test_add_unsupported_format(mockimghdr, tmpfile):
files.add_image_format("not_a_format", _test_dummy)
assert imghdr.what(tmpfile) is None
assert not mockimghdr, "Unsupported test not removed"
def test_add_supported_format(mockimghdr, tmpfile, name):
files.add_image_format(name, _test_dummy)
assert mockimghdr, "No test added by add image format"
assert imghdr.what(tmpfile) == name