79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""
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Extension for InkScape 1.0+
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boxes.py wrapper script to make it work on Windows and Linux systems without duplicating .inx files
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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: 27.04.2021
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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 os
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from lxml import etree
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import tempfile
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from shlex import quote
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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 key == "--id":
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continue
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if len(arg.split("=")) == 2:
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value = arg.split("=")[1]
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pars.add_argument(key, default=key)
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def generate(self):
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f, box_file = tempfile.mkstemp(".svg", "boxes.py-inkscape")
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cmd = "boxes" # boxes.exe in this local dir (or if present in %PATH%), or boxes from $PATH in linux
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for arg in vars(self.options):
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if arg in (
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"output", "id", "ids", "selected_nodes",
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"input_file", "tab"):
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continue
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# fix behaviour of "original" arg which does not correctly gets
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# 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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cmd += f" --{arg} {quote(str(getattr(self.options, arg)))}"
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cmd += f" --output {box_file} {box_file}" # we need to add box_file string twice in a row. Otherwise program executable throws an error
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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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# 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()
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