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import os
import re
import sys
import inkex
from ..i18n import _
from ..threads import ThreadCatalog
from .base import InkstitchExtension
class ImportThreadlist(InkstitchExtension):
def __init__(self, *args, **kwargs):
InkstitchExtension.__init__(self, *args, **kwargs)
self.OptionParser.add_option("-f", "--filepath", type="str", default="", dest="filepath")
self.OptionParser.add_option("-m", "--method", type="int", default=1, dest="method")
self.OptionParser.add_option("-t", "--palette", type="str", default=None, dest="palette")
def effect(self):
# Remove selection, we want all the elements in the document
self.selected = {}
if not self.get_elements():
return
path = self.options.filepath
if not os.path.exists(path):
print >> sys.stderr, _("File not found.")
sys.exit(1)
method = self.options.method
if method == 1:
colors = self.parse_inkstitch_threadlist(path)
else:
colors = self.parse_threadlist_by_catalog_number(path)
if all(c is None for c in colors):
print >>sys.stderr, _("Couldn't find any matching colors in the file.")
if method == 1:
print >>sys.stderr, _('Please try to import as "other threadlist" and specify a color palette below.')
else:
print >>sys.stderr, _("Please chose an other color palette for your design.")
sys.exit(1)
# Iterate through the color blocks to apply colors
element_color = ""
i = -1
for element in self.elements:
if element.color != element_color:
element_color = element.color
i += 1
# No more colors in the list, stop here
if i == len(colors):
break
style = element.node.get('style').replace("%s" % element_color, "%s" % colors[i])
element.node.set('style', style)
def parse_inkstitch_threadlist(self, path):
colors = []
with open(path) as threadlist:
for line in threadlist:
if line[0].isdigit():
m = re.search(r"\((#[0-9A-Fa-f]{6})\)", line)
if m:
colors.append(m.group(1))
else:
# Color not found
colors.append(None)
return colors
def parse_threadlist_by_catalog_number(self, path):
palette_name = self.options.palette
palette = ThreadCatalog().get_palette_by_name(palette_name)
colors = []
palette_numbers = []
palette_colors = []
for color in palette:
palette_numbers.append(color.number)
palette_colors.append('#%s' % color.hex_digits.lower())
with open(path) as threadlist:
for line in threadlist:
if line[0].isdigit():
# some threadlists may add a # in front of the catalof number
# let's remove it from the entire string before splitting it up
thread = line.replace('#', '').split()
catalog_number = set(thread[1:]).intersection(palette_numbers)
if catalog_number:
color_index = palette_numbers.index(next(iter(catalog_number)))
colors.append(palette_colors[color_index])
else:
# No color found
colors.append(None)
return colors
def find_elements(self, xpath):
svg = self.document.getroot()
elements = svg.xpath(xpath, namespaces=inkex.NSS)
return elements
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