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Iconset generator for macos
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Mark Qvist
parent
3111959656
commit
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315
sbapp/assets/icons_macos.py
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315
sbapp/assets/icons_macos.py
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@ -0,0 +1,315 @@
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import sys
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import pathlib
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import argparse
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import subprocess
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import platform
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__version_info__ = (1, 2, 0)
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__version__ = ".".join(map(str, __version_info__))
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__copyright__: str = f"Copyright (C) 2018-2022 Declaration of VAR"
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# default iconset files extension, gets the value from original image
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ext = ".png"
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# programs names
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iconutilProgram = "iconutil"
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magickProgram = "magick"
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sipsProgram = "sips"
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class IconParameters():
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width = 0
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scale = 1
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def __init__(self, width, scale):
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self.width = width
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self.scale = scale
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def getIconName(self):
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global ext
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scaleString = "" if self.scale == 1 else f"@{self.scale}x"
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return f"icon_{self.width}x{self.width}{scaleString}{ext}"
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def checkProgramInPath(programName, errorMsg=None):
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checkResult = subprocess.run(
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["which", programName],
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capture_output=True,
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text=True
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)
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errorMsgString = "" if errorMsg is None else f". {errorMsg}"
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if checkResult.returncode != 0:
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raise SystemExit(
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f"[ERROR] Couldn't find {programName} in your PATH{errorMsgString}"
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)
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else:
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print(f"Found {programName}: {checkResult.stdout.strip()}")
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def generateImageConvertingCommand(forSips, originalPicture, ip, iconsetDir):
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if not forSips:
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return [
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magickProgram,
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"convert",
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originalPicture,
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"-resize",
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str(ip.width * ip.scale),
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iconsetDir / ip.getIconName()
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]
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else:
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return [
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sipsProgram,
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"-z",
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str(ip.width * ip.scale),
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str(ip.width * ip.scale),
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originalPicture,
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"--out",
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iconsetDir / ip.getIconName()
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]
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def main():
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global ext
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argParser = argparse.ArgumentParser(
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prog="generate-iconset",
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description=" ".join((
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f"%(prog)s\n{__copyright__}\nGenerate",
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"an iconset for a Mac OS application",
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f"using {iconutilProgram} tool"
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)),
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formatter_class=argparse.RawDescriptionHelpFormatter,
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allow_abbrev=False
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)
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argParser.add_argument(
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"--version",
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action="version",
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version=f"%(prog)s {__version__}"
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)
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argParser.add_argument(
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"image",
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metavar="/path/image.png",
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help="path to the original image"
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)
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argParser.add_argument(
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"--out",
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metavar="/path/out/",
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help=" ".join((
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"path to the output folder, where to put resulting",
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".icns file (default: same folder as original image)"
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))
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)
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argParser.add_argument(
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"--use-sips",
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action='store_true',
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help=f"use {sipsProgram} instead of ImageMagick (default: %(default)s)"
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)
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argParser.add_argument(
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"--force-png",
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action='store_true',
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help=" ".join((
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"force non-.png original image to be converted",
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"to .png (default: %(default)s)"
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))
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)
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argParser.add_argument(
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"--ignore-non-mac",
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action='store_true',
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help=" ".join((
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"allows to run the script on any OS, not only on Mac OS",
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"(default: %(default)s)"
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))
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)
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# argParser.add_argument(
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# "--delete-tmp-iconset",
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# action='store_true',
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# help=" ".join((
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# "delete temporary iconset directory,",
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# "if it already exists (default: %(default)s)"
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# ))
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# )
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cliArgs = argParser.parse_args()
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# print(cliArgs)
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if platform.system() != "Darwin":
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if not cliArgs.ignore_non_mac:
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raise SystemExit(
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" ".join((
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"[ERROR] The script is meant to be executed",
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f"on Mac OS only, as {iconutilProgram} tool is only available",
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"there. You can ignore this condition",
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"with --ignore-non-mac"
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))
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)
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else:
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print(
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" ".join((
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"[WARNING] You are running the script not on Mac OS,",
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"so it is likely to fail,",
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f"unless you have {iconutilProgram} tool installed"
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))
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)
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checkProgramInPath(iconutilProgram)
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if not cliArgs.use_sips:
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print("Will use ImageMagick for converting the original image")
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checkProgramInPath(
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magickProgram,
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" ".join((
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"Perhaps, you don't have it installed?",
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f"You can also use {sipsProgram} tool instead",
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"with --use-sips"
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))
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)
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else:
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print(f"Will use {sipsProgram} for converting the original image")
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print(
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" ".join((
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"[WARNING] ImageMagick provides better quality results,",
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f"so do consider using it instead of {sipsProgram}. More details:",
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"https://decovar.dev/blog/2019/12/12/imagemagick-vs-sips-resize/"
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))
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)
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checkProgramInPath(sipsProgram)
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print()
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originalPicture = pathlib.Path(cliArgs.image)
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if not (originalPicture.is_file()):
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raise SystemExit(
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f"[ERROR] There is no such image file: {cliArgs.image}"
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)
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print(f"Original image: {originalPicture}")
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fname = pathlib.Path(originalPicture).stem
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ext = pathlib.Path(originalPicture).suffix
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if ext != ".png":
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if not cliArgs.force_png:
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print(
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" ".join((
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"[WARNING] Original image extension is not .png,",
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f"{iconutilProgram} is likely to fail,",
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"pass --force-png to avoid that"
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))
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)
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else:
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ext = ".png"
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# destination path for output
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destDir = (
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pathlib.Path(originalPicture).parent
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if cliArgs.out is None
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else pathlib.Path(cliArgs.out)
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)
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if not (destDir.is_dir()):
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try:
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destDir.mkdir(parents=True)
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except Exception as ex:
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raise SystemExit(
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" ".join((
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"[ERROR] The specified output folder doesn't exist",
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f"and could not be created: {cliArgs.out}"
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))
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)
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# path to resulting .icns file
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resultingIconset = destDir / f"{fname}.icns"
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# path to temporary iconset folder
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iconsetDir = pathlib.Path(destDir / f"{fname}.iconset")
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if not (iconsetDir.is_dir()):
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try:
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iconsetDir.mkdir()
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except Exception as ex:
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raise SystemExit(
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" ".join((
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"[ERROR] Could not create temporary",
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f"iconset folder: {iconsetDir}"
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))
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)
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else:
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if False: # cliArgs.delete_tmp_iconset:
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# not the best idea to let script delete files on disk
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print("[DEBUG] Deleting temporary iconset folder")
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else:
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raise SystemExit(
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" ".join((
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f"[ERROR] Temporary iconset directory ({iconsetDir})",
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"already exists, you need to",
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"delete it first"
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# "either delete it manually",
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# "or use --delete-tmp-iconset"
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))
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)
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# https://developer.apple.com/design/human-interface-guidelines/macos/icons-and-images/app-icon#app-icon-sizes
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ListOfIconParameters = [
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IconParameters(16, 1),
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IconParameters(16, 2),
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IconParameters(32, 1),
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IconParameters(32, 2),
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IconParameters(128, 1),
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IconParameters(128, 2),
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IconParameters(256, 1),
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IconParameters(256, 2),
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IconParameters(512, 1),
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IconParameters(512, 2)
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]
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print("Converting images for iconset")
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# generate iconset
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currentImage = 0
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for ip in ListOfIconParameters:
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currentImage += 1
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convertingResult = subprocess.run(
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generateImageConvertingCommand(
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cliArgs.use_sips,
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originalPicture,
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ip,
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iconsetDir
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),
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capture_output=True,
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text=True
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)
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if convertingResult.returncode != 0:
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raise SystemExit(
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f"[ERROR] Conversion failed. {convertingResult.stderr.strip()}"
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)
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else:
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print(f"{currentImage}/{len(ListOfIconParameters)}...")
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# print(f"Generated {ip.getIconName()}")
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print("\nGenerating .icns file...")
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# convert iconset folder to .icns file
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iconutilResult = subprocess.run(
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[
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iconutilProgram,
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"-c",
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"icns",
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iconsetDir,
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"-o",
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resultingIconset
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],
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capture_output=True,
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text=True
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)
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if iconutilResult.returncode != 0:
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raise SystemExit(
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" ".join((
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f"[ERROR] {iconutilProgram} could not generate",
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f"an iconset. {iconutilResult.stderr.strip()}"
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))
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)
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else:
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print(
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" ".join((
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"[SUCCESS] An iconset was successfully",
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f"generated to {resultingIconset}"
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))
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)
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raise SystemExit(0)
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if __name__ == '__main__':
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main()
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6
sbapp/assets/icons_macos.sh
Normal file
6
sbapp/assets/icons_macos.sh
Normal file
@ -0,0 +1,6 @@
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#!/bin/bash
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rm icon.icns
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rm -r icon.iconset
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python3 icons_macos.py icon_macos.png --out ./ --use-sips
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mv icon_macos.icns icon.icns
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mv icon_macos.iconset icon.iconset
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