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Add template for making python scripts that edit SVGs
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#!/usr/bin/env python3 | ||
""" | ||
SPDX-License-Identifier: LicenseRef-KDE-Accepted-LGPL | ||
SPDX-FileCopyrightText: 2020 Noah Davis <noahadvs@gmail.com> | ||
SPDX-FileCopyrightText: 2020 Niccolò Venerandi <niccolo@venerandi.com> | ||
""" | ||
import sys | ||
from lxml import etree | ||
""" | ||
This is a template for making scripts that modify SVGs by parsing XML. | ||
""" | ||
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# These are needed to prevent nonsense namespaces like ns0 from being | ||
# added to otherwise perfectly fine svg elements and attributes | ||
etree.register_namespace("w3c", "http://www.w3.org/2000/svg") | ||
etree.register_namespace("xlink", "http://www.w3.org/1999/xlink") | ||
etree.register_namespace("inkscape", "http://www.inkscape.org/namespaces/inkscape") | ||
etree.register_namespace("dc", "http://purl.org/dc/elements/1.1/") | ||
etree.register_namespace("cc", "http://creativecommons.org/ns#") | ||
etree.register_namespace("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#") | ||
etree.register_namespace("sodipodi", "http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd") | ||
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# Get filenames as arguments. Combine with your favorite CLI tools. | ||
# My favorites are rg (aka ripgrep) and fd (aka fd-find). | ||
# Remember to filter out files that are not SVGs! | ||
# Example: ./this-script.py $(rg -t svg -l 'height="0"') | ||
for f in sys.argv[1:]: | ||
tree = etree.parse(f) | ||
root = tree.getroot() | ||
wasEdited = False | ||
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# BEGIN section | ||
# Reimplement this section as needed | ||
# {http://www.w3.org/2000/svg} is needed to find SVG elements | ||
# Example: find all rect elements | ||
for elem in root.iterfind(".//{http://www.w3.org/2000/svg}rect"): | ||
# Example: find rect elements where height="0" | ||
if (elem.get("height") == "0"): | ||
# Example: remove rect elements that have height="0" | ||
elem.getparent().remove(elem) | ||
wasEdited = True # Remember to keep this | ||
# END section | ||
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print(f + ": " + ("edited" if wasEdited else "ignored")) | ||
if wasEdited: | ||
tree.write(f, encoding="utf-8", xml_declaration=False, method="xml") |