Files
NIIMBOT-D101/niimprint/__main__.py
T

76 lines
2.0 KiB
Python

import re
import click
from PIL import Image
from niimprint import BluetoothTransport, PrinterClient, SerialTransport
@click.command("print")
@click.option(
"-m",
"--model",
type=click.Choice(["b21", "d11"], False),
default="b21",
show_default=True,
help="Niimbot printer model",
)
@click.option(
"-c",
"--conn",
type=click.Choice(["usb", "bluetooth"]),
default="usb",
show_default=True,
help="Connection type",
)
@click.option(
"-a",
"--addr",
help="Bluetooth MAC address OR serial device path",
)
@click.option(
"-d",
"--density",
type=click.IntRange(1, 5),
default=5,
show_default=True,
help="Print density",
)
@click.option(
"-i",
"--image",
type=click.Path(exists=True),
required=True,
help="Image path",
)
def print_cmd(model, conn, addr, density, image):
assert model != "d11", "D11 support may be broken (test yourself)"
if conn == "bluetooth":
addr = addr.upper()
assert re.fullmatch(r"([0-9A-F]{2}:){5}([0-9A-F]{2})", addr), "Bad MAC address"
transport = BluetoothTransport(addr)
if conn == "usb":
port = addr if addr is not None else "auto"
transport = SerialTransport(port=port)
if model == "b21":
# This may be wrong, but B21 doesn't accept anything larger. It's just shy of
# 50mm * 8 px/mm = 400px (for vertical space it's always 8 px/mm), so lgtm.
max_height_px = 384
if model == "d11":
max_height_px = 100 # I don't have D11 to test
# Image is printed left-to-right. Generally, we expect image width to be larger
# than image height, because that's the usual sticker aspect ratio.
image = Image.open(image)
assert image.width > image.height, "Are you sure image rotation is right?"
assert image.height <= max_height_px, f"Image height too big for {model}"
printer = PrinterClient(transport)
printer.print_image(image, density=density)
if __name__ == "__main__":
print_cmd()