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import sys
import traceback
import os
import inkex
import tempfile
from zipfile import ZipFile
import pyembroidery
from .base import InkstitchExtension
from ..i18n import _
from ..output import write_embroidery_file
from ..stitch_plan import patches_to_stitch_plan
from ..svg import render_stitch_plan, PIXELS_PER_MM
from ..utils.io import save_stdout
class Zip(InkstitchExtension):
def __init__(self, *args, **kwargs):
InkstitchExtension.__init__(self)
self.OptionParser.add_option("-c", "--collapse_len_mm",
action="store", type="float",
dest="collapse_length_mm", default=3.0,
help="max collapse length (mm)")
# it's kind of obnoxious that I have to do this...
self.formats = []
for format in pyembroidery.supported_formats():
if 'writer' in format and format['category'] == 'embroidery':
extension = format['extension']
self.OptionParser.add_option('--format-%s' % extension, type="inkbool", dest=extension)
self.formats.append(extension)
def effect(self):
if not self.get_elements():
return
patches = self.elements_to_patches(self.elements)
stitch_plan = patches_to_stitch_plan(patches, self.options.collapse_length_mm * PIXELS_PER_MM)
base_file_name = self.get_base_file_name()
path = tempfile.mkdtemp()
files = []
for format in self.formats:
if getattr(self.options, format):
output_file = os.path.join(path, "%s.%s" % (base_file_name, format))
write_embroidery_file(output_file, stitch_plan, self.document.getroot())
files.append(output_file)
if not files:
self.errormsg(_("No embroidery file formats selected."))
temp_file = tempfile.NamedTemporaryFile(suffix=".zip", delete=False)
# in windows, failure to close here will keep the file locked
temp_file.close()
with ZipFile(temp_file.name, "w") as zip_file:
for file in files:
zip_file.write(file, os.path.basename(file))
# inkscape will read the file contents from stdout and copy
# to the destination file that the user chose
with open(temp_file.name) as output_file:
sys.stdout.write(output_file.read())
os.remove(temp_file.name)
for file in files:
os.remove(file)
os.rmdir(path)
# don't let inkex output the SVG!
sys.exit(0)
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