Convert SVG to Axure-compatible SVG using AppleScript and Pixelmator Pro.

convert-svg.py

#!/usr/bin/env python3
"""
Convert SVG to Axure-compatible SVG using AppleScript and Pixelmator Pro.

Axure convert optimized SVG to Shape will cause the SVG to be rendered deformed.
This script uses Pixelmator Pro to convert SVG to pixel-based SVG, which Axure
will convert to Shape correctly.
"""

import argparse
import sys
from pathlib import Path
from subprocess import PIPE, Popen

APPLE_SCRIPT = """
on run argv

    set svg_file to POSIX file (item 1 of argv)
    set out_file to POSIX file (item 2 of argv)

    tell application "Pixelmator Pro"
        activate
        open svg_file
        tell its front document
            convert into pixels every layer
            export to out_file as SVG
            close saving no
        end tell
    end tell

end run
"""


def main():
    if sys.platform != "darwin":
        print("This script only works on macOS.", file=sys.stderr)
        sys.exit(1)

    parser = argparse.ArgumentParser()
    parser.add_argument("input", help="SVG file/folder to convert")
    args = parser.parse_args()

    input_path = Path(args.input)
    if not input_path.exists():
        print(f"Input path does not exist: {input_path}", file=sys.stderr)
        sys.exit(1)
    elif input_path.is_file() and input_path.suffix != ".svg":
        print(f"Input file is not an SVG: {input_path}", file=sys.stderr)
        sys.exit(1)

    if input_path.is_file():
        convert_svg(input_path)
    if input_path.is_dir():
        if prompt_confirmation(f"Convert all SVG files in folder: {input_path}?"):
            for svg_file in input_path.rglob("*.svg"):
                convert_svg(svg_file)
        else:
            print("Cancelled.")


def prompt_confirmation(message):
    """Prompt user for confirmation."""
    while True:
        response = input(f"{message} [y/n]: ").lower()
        if response in ["y", "yes"]:
            return True
        elif response in ["n", "no"]:
            return False
        else:
            print("Invalid response. Please enter 'y' or 'n'.")


def convert_svg(svg_file):
    """Convert SVG to PNG using Pixelmator Pro."""
    svg_file = Path(svg_file).absolute()
    out_file = Path(svg_file).with_name(f"{svg_file.stem}-axure.svg").absolute()

    if str(svg_file).endswith("-axure.svg"):
        return

    p = Popen(
        ["osascript", "-"] + [str(svg_file), str(out_file)],
        stdin=PIPE,
        stdout=PIPE,
        stderr=PIPE,
        encoding="utf8",
    )
    stdout, stderr = p.communicate(APPLE_SCRIPT)
    if p.returncode != 0:
        raise RuntimeError(stderr)

    print(f"Converted SVG to File: {out_file}")
    return stdout


if __name__ == "__main__":
    main()