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EDIT :: svg2png.py

# coding=utf-8 # # Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2025 All Rights Reserved # # Licensed under CLOUD LINUX LICENSE AGREEMENT # http://cloudlinux.com/docs/LICENSE.TXT import os import subprocess from typing import Optional def svg_to_png(svg_data: str) -> bytes: """ Converts SVG data to PNG format using available converters. Args: svg_data (str): The SVG data to convert. Returns: bytes: The converted PNG data. Raises: RuntimeError: If no suitable converter is found. """ # alt-ImageMagick is preferred over the native ImageMagick and rsvg. alt_imagemagick = _get_alt_imagemagick_binary() if alt_imagemagick: return _convert_with_imagemagick(svg_data, alt_imagemagick) rsvg_convert = _get_rsvg_convert_binary() if rsvg_convert: return _convert_with_rsvg(svg_data, rsvg_convert) imagemagick = _get_imagemagick_binary() if imagemagick: return _convert_with_imagemagick(svg_data, imagemagick) raise RuntimeError("No suitable SVG to PNG converter found") def _get_alt_imagemagick_binary() -> Optional[str]: """ Returns the path to the alt-ImageMagick binary if it exists, otherwise None. """ alt_imagemagick = "/opt/alt/alt-ImageMagick/usr/bin/magick" if os.path.exists(alt_imagemagick): return alt_imagemagick return None def _get_imagemagick_binary() -> Optional[str]: """ Returns the path to the ImageMagick binary if it exists, otherwise None. """ native_imagemagick = "/usr/bin/convert" if os.path.exists(native_imagemagick): return native_imagemagick return None def _get_rsvg_convert_binary() -> Optional[str]: """ Returns the path to the rsvg-convert binary if it exists, otherwise None. """ rsvg_convert = "/usr/bin/rsvg-convert" if os.path.exists(rsvg_convert): return rsvg_convert return None def _convert_with_rsvg(svg_data: str, rsvg_convert: str) -> bytes: """ Converts SVG data to PNG format using rsvg-convert. Args: svg_data (str): The SVG data to convert. rsvg_convert (str): The path to the rsvg-convert binary. Returns: bytes: The converted PNG data. """ cwd = '/var/lve/tmp' if os.getuid() == 0 else None with subprocess.Popen( [rsvg_convert, "-f", "png", "-b", "rgba(255, 255, 255, 255)"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, cwd=cwd ) as proc: png_data, _ = proc.communicate(input=svg_data.encode()) return png_data def _convert_with_imagemagick(svg_data: str, imagemagick: str) -> bytes: """ Converts SVG data to PNG format using ImageMagick. Args: svg_data (str): The SVG data to convert. imagemagick (str): The path to the ImageMagick binary. Returns: bytes: The converted PNG data. """ cwd = '/var/lve/tmp' if os.getuid() == 0 else None with subprocess.Popen( [imagemagick, "-", "png:-"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, cwd=cwd ) as proc: png_data, _ = proc.communicate(input=svg_data.encode()) return png_data

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