mightyscape-1.2/extensions/fablabchemnitz/svg_embed_and_crop/svg_embed_and_crop.py

45 lines
1.6 KiB
Python

import inkex
import subprocess
import os
from lxml import etree
from inkex import command
class EmbedAndCrop(inkex.EffectExtension):
'''
This extension does not work for embedded images, but only for linked ones
'''
def effect(self):
cp = os.path.dirname(os.path.abspath(__file__)) + "/svg_embed_and_crop/*"
output_file = self.options.input_file + ".cropped"
cmd = 'java -cp "' + cp + '" "edu.emory.cellbio.svg.EmbedAndCropInkscapeEntry" "' + self.options.input_file + '" -o "' + output_file + '"'
with subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc:
proc.wait()
stdout, stderr = proc.communicate()
if stderr.decode('utf-8') != "":
inkex.utils.debug("Error output:")
inkex.utils.debug(stderr.decode('utf-8'))
if not os.path.exists(output_file):
raise inkex.AbortExtension("Plugin cancelled")
stream = open(output_file, 'r')
p = etree.XMLParser(huge_tree=True)
doc = etree.parse(stream, parser=etree.XMLParser(huge_tree=True))
stream.close()
root = self.document.getroot()
kept = [] #required. if we delete them directly without adding new defs or namedview, inkscape will crash
for node in self.document.xpath('//*', namespaces=inkex.NSS):
if node.TAG not in ('svg', 'defs', 'namedview'):
node.delete()
elif node.TAG in ('defs', 'namedview'): #except 'svg'
kept.append(node)
children = doc.getroot().getchildren()
for child in children:
root.append(child)
for k in kept:
k.delete()
if __name__ == '__main__':
EmbedAndCrop().run()