102 lines
4.1 KiB
Python
102 lines
4.1 KiB
Python
#!/usr/bin/env python3
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"""
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Extension for InkScape 1.2
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boxes.py wrapper script to make it work on Windows and Linux systems
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 27.04.2021
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Last patch: 30.11.2022
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License: GNU GPL v3
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"""
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import inkex
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import sys
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import subprocess
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import os
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from lxml import etree
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import tempfile
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import argparse
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class boxesPyWrapper(inkex.GenerateExtension):
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def add_arguments(self, pars):
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args = sys.argv[1:]
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for arg in args:
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key=arg.split("=")[0]
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if len(arg.split("=")) == 2:
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value=arg.split("=")[1]
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if key != "--id": #ignore duplicate id arg, which will throw error if an element is selected
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pars.add_argument(key, default=key)
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def generate(self):
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box_file = os.path.join(tempfile.gettempdir(), "box.svg")
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if os.path.exists(box_file):
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os.remove(box_file) #remove previously generated box file at the beginning
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boxes_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'boxes', 'scripts')
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PYTHONBIN = "python"
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if os.name=="nt": #we want to omit using the python executable delivered by inkscape. we use our own installation from %PATH%
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pathlist=list(reversed(os.environ["PATH"].split(os.pathsep)))
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for path in pathlist:
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if "Python" in (str(path)): #if Python subdirectory is inside, theres a chance to have a correct installation
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#inkex.utils.debug(path)
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path = os.path.join(path, "python.exe")
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if os.path.isfile(path) and os.access(path, os.X_OK):
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#inkex.utils.debug(path)
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PYTHONBIN = path
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cmd = PYTHONBIN + ' ' + os.path.join(boxes_dir, 'boxes') #the boxes python file (without .py ending) - we add python at the beginning to support Windows too
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for arg in vars(self.options):
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if arg not in ("output", "ids", "selected_nodes"):
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#inkex.utils.debug(str(arg) + " = " + str(getattr(self.options, arg)))
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#fix behaviour of "original" arg which does not correctly gets interpreted if set to false
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if arg == "original" and str(getattr(self.options, arg)) == "false":
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continue
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if arg in ("input_file", "tab"):
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continue
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else:
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cmd += ' --' + arg + ' "' + str(getattr(self.options, arg)) + '"'
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#cmd += ' --' + arg + '="' + str(getattr(self.options, arg)) + '"'
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cmd += " --output=" + box_file + " "
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cmd = cmd.replace("boxes --generator", "boxes")
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# run boxes with the parameters provided
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#with os.popen(cmd, "r") as boxes:
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# result = boxes.read()
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try:
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proc = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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proc.wait()
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except OSError as e:
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raise OSError("{0}\nCommand failed: errno={1} {2}".format(' '.join(cmd), e.errno, e.strerror))
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stdout, stderr = proc.communicate()
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if stderr.decode('utf-8') != "":
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inkex.utils.debug("stderr: {}".format(stderr.decode('utf-8')))
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exit(1)
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# check output existence
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try:
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stream = open(box_file, 'r')
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except FileNotFoundError as e:
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inkex.utils.debug("There was no " + box_file + " output generated. Cannot continue. Command was:")
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inkex.utils.debug(str(cmd))
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exit(1)
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# write the generated SVG into Inkscape's canvas
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p = etree.XMLParser(huge_tree=True)
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doc = etree.parse(stream, parser=etree.XMLParser(huge_tree=True))
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stream.close()
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if os.path.exists(box_file):
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os.remove(box_file) #remove previously generated box file at the end too
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group = inkex.Group(id="boxes.py")
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for element in doc.getroot():
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group.append(element)
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return group
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if __name__ == '__main__':
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boxesPyWrapper().run() |