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import os
import inkex
from copy import deepcopy
from .base import InkstitchExtension
from ..utils import get_bundled_dir, cache
from ..svg.tags import SVG_DEFS_TAG
class CommandsExtension(InkstitchExtension):
def __init__(self, *args, **kwargs):
InkstitchExtension.__init__(self, *args, **kwargs)
for command in self.COMMANDS:
self.OptionParser.add_option("--%s" % command, type="inkbool")
@property
def symbols_path(self):
return os.path.join(get_bundled_dir("symbols"), "inkstitch.svg")
@property
@cache
def symbols_svg(self):
with open(self.symbols_path) as symbols_file:
return inkex.etree.parse(symbols_file)
@property
@cache
def symbol_defs(self):
return self.symbols_svg.find(SVG_DEFS_TAG)
@property
@cache
def defs(self):
return self.document.find(SVG_DEFS_TAG)
def ensure_symbol(self, command):
path = "./*[@id='inkstitch_%s']" % command
if self.defs.find(path) is None:
self.defs.append(deepcopy(self.symbol_defs.find(path)))
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