kopia lustrzana https://github.com/inkstitch/inkstitch
302 wiersze
10 KiB
Python
302 wiersze
10 KiB
Python
from copy import deepcopy
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from datetime import date
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import errno
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import json
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import logging
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import os
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import socket
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import sys
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from threading import Thread
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import time
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import appdirs
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from flask import Flask, request, Response, send_from_directory, jsonify
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import inkex
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from jinja2 import Environment, FileSystemLoader, select_autoescape
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import requests
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from ..gui import open_url
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from ..i18n import translation as inkstitch_translation
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from ..stitch_plan import patches_to_stitch_plan
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from ..svg import render_stitch_plan
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from ..svg.tags import INKSCAPE_GROUPMODE
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from ..threads import ThreadCatalog
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from .base import InkstitchExtension
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def datetimeformat(value, format='%Y/%m/%d'):
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return value.strftime(format)
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def defaults_path():
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defaults_dir = appdirs.user_config_dir('inkstitch')
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if not os.path.exists(defaults_dir):
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os.makedirs(defaults_dir)
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return os.path.join(defaults_dir, 'print_settings.json')
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def load_defaults():
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try:
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with open(defaults_path(), 'r') as defaults_file:
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defaults = json.load(defaults_file)
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return defaults
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except BaseException:
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return {}
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def save_defaults(defaults):
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with open(defaults_path(), 'w') as defaults_file:
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json.dump(defaults, defaults_file)
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class PrintPreviewServer(Thread):
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def __init__(self, *args, **kwargs):
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self.html = kwargs.pop('html')
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self.metadata = kwargs.pop('metadata')
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self.stitch_plan = kwargs.pop('stitch_plan')
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self.realistic_overview_svg = kwargs.pop('realistic_overview_svg')
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self.realistic_color_block_svgs = kwargs.pop('realistic_color_block_svgs')
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Thread.__init__(self, *args, **kwargs)
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self.daemon = True
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self.shutting_down = False
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self.__setup_app()
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def __set_resources_path(self):
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if getattr(sys, 'frozen', False):
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self.resources_path = os.path.join(sys._MEIPASS, 'print', 'resources')
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else:
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self.resources_path = os.path.realpath(os.path.join(os.path.dirname(__file__), '..', '..', 'print', 'resources'))
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def __setup_app(self): # noqa: C901
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self.__set_resources_path()
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self.app = Flask(__name__)
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@self.app.route('/')
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def index():
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return self.html
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@self.app.route('/shutdown', methods=['POST'])
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def shutdown():
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self.shutting_down = True
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request.environ.get('werkzeug.server.shutdown')()
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return "shutting down"
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@self.app.route('/resources/<path:resource>', methods=['GET'])
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def resources(resource):
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return send_from_directory(self.resources_path, resource, cache_timeout=1)
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@self.app.route('/settings/<field_name>', methods=['POST'])
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def set_field(field_name):
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self.metadata[field_name] = request.json['value']
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return "OK"
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@self.app.route('/settings/<field_mame>', methods=['GET'])
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def get_field(field_name):
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return jsonify(self.metadata[field_name])
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@self.app.route('/settings', methods=['GET'])
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def get_settings():
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settings = {}
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settings.update(load_defaults())
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settings.update(self.metadata)
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return jsonify(settings)
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@self.app.route('/defaults', methods=['POST'])
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def set_defaults():
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save_defaults(request.json['value'])
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return "OK"
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@self.app.route('/palette', methods=['POST'])
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def set_palette():
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name = request.json['name']
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catalog = ThreadCatalog()
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palette = catalog.get_palette_by_name(name)
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catalog.apply_palette(self.stitch_plan, palette)
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# clear any saved color or thread names
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for field in self.metadata:
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if field.startswith('color-') or field.startswith('thread-'):
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del self.metadata[field]
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self.metadata['thread-palette'] = name
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return "OK"
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@self.app.route('/threads', methods=['GET'])
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def get_threads():
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threads = []
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for color_block in self.stitch_plan:
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threads.append({
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'hex': color_block.color.hex_digits,
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'name': color_block.color.name,
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'manufacturer': color_block.color.manufacturer,
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'number': color_block.color.number,
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})
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return jsonify(threads)
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@self.app.route('/realistic/block<int:index>', methods=['GET'])
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def get_realistic_block(index):
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return Response(self.realistic_color_block_svgs[index], mimetype='image/svg+xml')
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@self.app.route('/realistic/overview', methods=['GET'])
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def get_realistic_overview():
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return Response(self.realistic_overview_svg, mimetype='image/svg+xml')
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def stop(self):
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# for whatever reason, shutting down only seems possible in
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# the context of a flask request, so we'll just make one
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requests.post("http://%s:%s/shutdown" % (self.host, self.port))
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def disable_logging(self):
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logging.getLogger('werkzeug').setLevel(logging.ERROR)
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def run(self):
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self.disable_logging()
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self.host = "127.0.0.1"
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self.port = 5000
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while True:
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try:
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self.app.run(self.host, self.port, threaded=True)
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except socket.error as e:
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if e.errno == errno.EADDRINUSE:
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self.port += 1
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continue
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else:
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raise
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else:
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break
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class Print(InkstitchExtension):
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def build_environment(self):
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if getattr(sys, 'frozen', False):
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template_dir = os.path.join(sys._MEIPASS, "print", "templates")
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else:
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template_dir = os.path.realpath(os.path.join(os.path.dirname(__file__), "..", "..", "print", "templates"))
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env = Environment(
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loader=FileSystemLoader(template_dir),
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autoescape=select_autoescape(['html', 'xml']),
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extensions=['jinja2.ext.i18n']
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)
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env.filters['datetimeformat'] = datetimeformat
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env.install_gettext_translations(inkstitch_translation)
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return env
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def strip_namespaces(self, svg):
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# namespace prefixes seem to trip up HTML, so get rid of them
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for element in svg.iter():
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if element.tag[0] == '{':
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element.tag = element.tag[element.tag.index('}', 1) + 1:]
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def render_svgs(self, stitch_plan, realistic=False):
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svg = deepcopy(self.document).getroot()
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render_stitch_plan(svg, stitch_plan, realistic)
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self.strip_namespaces(svg)
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# Now the stitch plan layer will contain a set of groups, each
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# corresponding to a color block. We'll create a set of SVG files
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# corresponding to each individual color block and a final one
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# for all color blocks together.
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layers = svg.findall("./g[@%s='layer']" % INKSCAPE_GROUPMODE)
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stitch_plan_layer = svg.find(".//*[@id='__inkstitch_stitch_plan__']")
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# First, delete all of the other layers. We don't need them and they'll
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# just bulk up the SVG.
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for layer in layers:
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if layer is not stitch_plan_layer:
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svg.remove(layer)
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overview_svg = inkex.etree.tostring(svg)
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color_block_groups = stitch_plan_layer.getchildren()
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color_block_svgs = []
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for i, group in enumerate(color_block_groups):
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# clear the stitch plan layer
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del stitch_plan_layer[:]
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# add in just this group
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stitch_plan_layer.append(group)
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# save an SVG preview
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color_block_svgs.append(inkex.etree.tostring(svg))
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return overview_svg, color_block_svgs
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def render_html(self, stitch_plan, overview_svg, selected_palette):
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env = self.build_environment()
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template = env.get_template('index.html')
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return template.render(
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view={
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'client_overview': False,
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'client_detailedview': False,
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'operator_overview': True,
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'operator_detailedview': True,
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'custom_page': False
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},
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logo={'src': '', 'title': 'LOGO'},
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date=date.today(),
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client="",
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job={
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'title': '',
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'num_colors': stitch_plan.num_colors,
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'num_color_blocks': len(stitch_plan),
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'num_stops': stitch_plan.num_stops,
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'num_trims': stitch_plan.num_trims,
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'dimensions': stitch_plan.dimensions_mm,
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'num_stitches': stitch_plan.num_stitches,
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'estimated_thread': '', # TODO
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},
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svg_overview=overview_svg,
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color_blocks=stitch_plan.color_blocks,
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palettes=ThreadCatalog().palette_names(),
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selected_palette=selected_palette,
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)
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def effect(self):
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# It doesn't really make sense to print just a couple of selected
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# objects. It's almost certain they meant to print the whole design.
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# If they really wanted to print just a few objects, they could set
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# the rest invisible temporarily.
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self.selected = {}
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if not self.get_elements():
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return
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patches = self.elements_to_patches(self.elements)
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stitch_plan = patches_to_stitch_plan(patches)
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palette = ThreadCatalog().match_and_apply_palette(stitch_plan, self.get_inkstitch_metadata()['thread-palette'])
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overview_svg, color_block_svgs = self.render_svgs(stitch_plan, realistic=False)
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realistic_overview_svg, realistic_color_block_svgs = self.render_svgs(stitch_plan, realistic=True)
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for i, svg in enumerate(color_block_svgs):
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stitch_plan.color_blocks[i].svg_preview = svg
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html = self.render_html(stitch_plan, overview_svg, palette)
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print_server = PrintPreviewServer(
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html=html,
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metadata=self.get_inkstitch_metadata(),
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stitch_plan=stitch_plan,
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realistic_overview_svg=realistic_overview_svg,
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realistic_color_block_svgs=realistic_color_block_svgs
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)
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print_server.start()
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time.sleep(0.5)
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browser_window = open_url("http://%s:%s/" % (print_server.host, print_server.port))
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browser_window.wait()
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print_server.stop()
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print_server.join()
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