def export_proxy_graphic(data: bytes, tagwriter: 'TagWriter', length_code: int = 160, data_code: int = 310) -> None:
# Do not export proxy graphic for DXF R12 files
assert tagwriter.dxfversion > const.DXF12
length = len(data)
if length == 0:
return
tagwriter.write_tag2(length_code, length)
index = 0
while index < length:
hex_str = bytes_to_hexstr(data[index:index + CHUNK_SIZE])
tagwriter.write_tag2(data_code, hex_str)
index += CHUNK_SIZE
def tag2html(tag: DXFTag) -> str:
type_str = tag_type_str(tag.code)
value = tag.value
if tag.code in BINARY_FLAGS:
vstr = with_bitmask(value) # type: ignore
else:
if isinstance(value, bytes):
vstr = bytes_to_hexstr(value)
else:
vstr = str(tag.value)
if tag.code in HEX_HANDLE_CODES:
vstr = "#" + vstr
if len(vstr) > MAX_STR_LEN:
vstr = vstr[: MAX_STR_LEN - 3] + "..."
return TAG_TPL.format(
code=tag.code, value=escape(vstr), type=escape(type_str)
)
def test_bytes_to_hexstr():
assert bytes_to_hexstr(b"\xff\xff") == 'FFFF'