mightyscape-1.2/extensions/fablabchemnitz/inkcut/inkcut_cut.py

84 lines
2.7 KiB
Python

#!/usr/bin/env python3
"""
Inkcut, Plot HPGL directly from Inkscape.
extension.py
Copyright 2010-2018 The Inkcut Team
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
"""
import os
import sys
import inkex
import shutil
from lxml import etree
import subprocess
from inkcut import contains_text, convert_objects_to_paths
DEBUG = False
try:
from subprocess import DEVNULL # py3k
except ImportError:
import os
DEVNULL = open(os.devnull, 'wb')
class InkscapeInkcutPlugin(inkex.Effect):
def effect(self):
""" Like cut but requires no selection and does no validation for
text nodes.
"""
nodes = self.svg.selected
if not len(nodes):
inkex.errormsg("There were no paths were selected.")
return
document = self.document
if contains_text(self.svg.selected.values()):
document = convert_objects_to_paths(self.args[-1], self.document)
#: If running from source
if DEBUG:
python = '~/inkcut/venv/bin/python'
inkcut = '~/inkcut/main.py'
cmd = [python, inkcut]
else:
cmd = ['inkcut']
if shutil.which('inkcut') is None:
inkex.errormsg("Error: inkcut executable not found!")
return
cmd += ['open', '-',
'--nodes']+[str(k) for k in nodes.keys()]
p = subprocess.Popen(cmd,
stdin=subprocess.PIPE,
stdout=DEVNULL,
stderr=subprocess.STDOUT,
close_fds=sys.platform != "win32")
p.stdin.write(etree.tostring(document))
p.stdin.close()
# Set the returncode to avoid this warning when popen is garbage collected:
# "ResourceWarning: subprocess XXX is still running".
# See https://bugs.python.org/issue38890 and
# https://bugs.python.org/issue26741.
p.returncode = 0
if __name__ == '__main__':
InkscapeInkcutPlugin().run()