78 lines
3.2 KiB
Python
78 lines
3.2 KiB
Python
# MIT License
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#
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# Copyright (c) 2024 ysfchn / Yusuf Cihan
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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from argparse import ArgumentParser, BooleanOptionalAction
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from pathlib import Path
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from typing import cast
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from dymo_bluetooth.bluetooth import discover_printers, create_image
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import sys
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import asyncio
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async def print_image(
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input_file : Path,
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max_timeout : int,
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stretch_factor : int,
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use_dither : bool
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):
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canvas = create_image(input_file, dither = use_dither)
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canvas = canvas.stretch_image(factor = stretch_factor)
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printers = await discover_printers(max_timeout)
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if not printers:
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print("Couldn't find any printers in given timeout!")
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exit(1)
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printer = printers[0]
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print(f"Starting to print on {printer._impl.address}...")
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await printer.connect()
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await printer.print(canvas)
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def main():
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module_name = cast(str, sys.modules[__name__].__file__).split("/")[-2]
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args = ArgumentParser(
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prog = f"python -m {module_name}",
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description = (
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"Print monochrome labels with DYMO LetraTag LT-200B label printer over "
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"Bluetooth."
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)
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)
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args.add_argument("image", help = "Image file to print. Must be 32 pixels in height.", type = Path, metavar = "IMAGE") # noqa: E501
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args.add_argument("--timeout", default = 5, type = int, help = "Maximum timeout to search for printers.") # noqa: E501
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args.add_argument("--dither", default = True, action = BooleanOptionalAction,
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help = "Use or don't use dithering when converting it to monochrome image."
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)
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args.add_argument("--factor", default = 2, type = int,
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help = "Stretch the image N times. Default is 2, otherwise printer" + \
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"will print images too thin."
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)
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parsed = args.parse_args()
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input_file = cast(Path, parsed.image).absolute()
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max_timeout = cast(int, parsed.timeout)
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stretch_factor = cast(int, parsed.factor)
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use_dither = cast(bool, parsed.dither)
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if not input_file.exists():
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print(f"Given image file doesn't exists: {input_file.as_posix()}")
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exit(1)
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asyncio.run(print_image(input_file, max_timeout, stretch_factor, use_dither))
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if __name__ == "__main__":
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main() |