How to use the osxphotos.fileutil.FileUtil.copy function in osxphotos

def test_clear_value():
    # test clearing a tag value
    import os.path
    import tempfile
    import osxphotos.exiftool
    from osxphotos.fileutil import FileUtil

    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    tempfile = os.path.join(tempdir.name, os.path.basename(TEST_FILE_ONE_KEYWORD))
    FileUtil.copy(TEST_FILE_ONE_KEYWORD, tempfile)

    exif = osxphotos.exiftool.ExifTool(tempfile)
    assert "IPTC:Keywords" in exif.data

    exif.setvalue("IPTC:Keywords", None)
    exif._read_exif()
    assert "IPTC:Keywords" not in exif.data

def test_setvalue_1():
    # test setting a tag value
    import os.path
    import tempfile
    import osxphotos.exiftool
    from osxphotos.fileutil import FileUtil

    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    tempfile = os.path.join(tempdir.name, os.path.basename(TEST_FILE_ONE_KEYWORD))
    FileUtil.copy(TEST_FILE_ONE_KEYWORD, tempfile)

    exif = osxphotos.exiftool.ExifTool(tempfile)
    exif.setvalue("IPTC:Keywords", "test")
    exif._read_exif()
    assert exif.data["IPTC:Keywords"] == "test"

def test_addvalues_1():
    # test setting a tag value
    import os.path
    import tempfile
    import osxphotos.exiftool
    from osxphotos.fileutil import FileUtil

    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    tempfile = os.path.join(tempdir.name, os.path.basename(TEST_FILE_ONE_KEYWORD))
    FileUtil.copy(TEST_FILE_ONE_KEYWORD, tempfile)

    exif = osxphotos.exiftool.ExifTool(tempfile)
    exif.addvalues("IPTC:Keywords", "test")
    exif._read_exif()
    assert sorted(exif.data["IPTC:Keywords"]) == sorted(["wedding", "test"])

def test_addvalues_2():
    # test setting a tag value where multiple values already exist
    import os.path
    import tempfile
    import osxphotos.exiftool
    from osxphotos.fileutil import FileUtil

    tempdir = tempfile.TemporaryDirectory(prefix="osxphotos_")
    tempfile = os.path.join(tempdir.name, os.path.basename(TEST_FILE_MULTI_KEYWORD))
    FileUtil.copy(TEST_FILE_MULTI_KEYWORD, tempfile)

    exif = osxphotos.exiftool.ExifTool(tempfile)
    assert sorted(exif.data["IPTC:Keywords"]) == sorted(TEST_MULTI_KEYWORDS)
    exif.addvalues("IPTC:Keywords", "test")
    exif._read_exif()
    assert "IPTC:Keywords" in exif.data
    test_multi = TEST_MULTI_KEYWORDS.copy()
    test_multi.append("test")
    assert sorted(exif.data["IPTC:Keywords"]) == sorted(test_multi)

# it's the .mov part of live photo but not requested, so don't export
                logging.debug(f"Skipping live photo file {path}")
                continue
            if len(files) > 1 and burst and path.stem != filename_stem:
                # skip any burst photo that's not the one we asked for
                logging.debug(f"Skipping burst photo file {path}")
                continue
            if filestem:
                # rename the file based on filestem, keeping original extension
                dest_new = dest / f"{filestem}{path.suffix}"
            else:
                # use the name Photos provided
                dest_new = dest / path.name
            logging.debug(f"exporting {path} to dest_new: {dest_new}")
            if not dry_run:
                FileUtil.copy(str(path), str(dest_new))
            exported_paths.append(str(dest_new))
        return exported_paths
    else:
        return None