added batch task extension
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195
extensions/fablabchemnitz/batch_task/BaseExtension.py
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195
extensions/fablabchemnitz/batch_task/BaseExtension.py
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#!/usr/bin/env python3
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# pylint: disable=too-many-ancestors
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# standard library
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import os
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import sys
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import re
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import argparse
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from shutil import copy2
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# from subprocess import Popen, PIPE
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# import time
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# from lxml import etree
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# local library
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import inkex
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from inkex.command import inkscape
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from inkex.elements import _selected as selection
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MIN_PYTHON_VERSION = (3, 6) # Mainly for f-strings
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if (sys.version_info.major, sys.version_info.minor) < (3, 6):
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inkex.Effect.msg(f"Python {MIN_PYTHON_VERSION[0]}.{MIN_PYTHON_VERSION[1]} or later required.")
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sys.exit(1)
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class BaseExtension(inkex.Effect):
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"""Custom class that makes creation of extensions easier.
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Users of this class need not worry about boilerplates, such as how to
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call inkscape via shell, and the management of tempfiles. Useful functions
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are also provided."""
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def __init__(self, custom_effect, args_adder=None):
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"""Init base class.
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In a typical Inkscape extension that does not make use of BaseExtension,
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the effect is determined by the "effect" method of the extension class.
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This init function will take in a method, and run it in the "effect" method
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together with the other boilerplate.
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This init method takes in a function under the custom_effect argument.
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This function will handle the user's effects, minus the boilerplate. It
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has to return a list[str] object, with each str being a verb that inkscape
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can execute."""
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inkex.Effect.__init__(self)
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self.custom_effect = custom_effect
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self._msg = self.msg # The old msg function provided by inkex (only accepts strings)
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def msg(*args, sep=' '):
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"""Improved msg method, similar to Python's print"""
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self._msg(sep.join([str(arg) for arg in args]))
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self.msg = msg
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if args_adder is not None:
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args_adder(self.arg_parser)
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self.args_adder = args_adder
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def z_sort(self, alist):
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"""Return new list sorted in document order (depth-first traversal)."""
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return list(self.z_iter(alist))
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def z_iter(self, alist):
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"""Return iterator over ids in document order (depth-first traversal)."""
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id_list = list(alist)
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count = len(id_list)
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for element in self.document.getroot().iter():
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# element_id = element.get('id')
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# if element_id is not None and element_id in id_list:
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if element in alist:
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id_list.remove(element)
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yield element
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count -= 1
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if not count:
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return
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@staticmethod
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def show(obj):
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"""Returns a str representation of object"""
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def rep(obj):
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if hasattr(obj, 'get_id'):
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return f"{type(obj).__name__}({obj.get_id()})"
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return f"{type(obj).__name__}"
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if type(obj).__name__ == 'ElementList':
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return ('ElementList(' +
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', '.join([rep(child) for child in obj.values()]) +
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')')
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if isinstance(obj, list):
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return '[' + ', '.join(rep(child) for child in obj) + ']'
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return rep(obj)
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def find(self, obj: any, xpath='/*') -> list:
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"""Returns a list of objects which satisfies XPath
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Args:
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obj (any): Parent object to recurse into. Examples include root, selected, or a group.
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xpath (str, optional): Defaults to '/*'.
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Returns:
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list: [description]
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"""
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BASIC_TAGS = ('circle', 'ellipse', 'line', 'polygon', 'polyline', 'rect', 'path', 'image', 'g')
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SPECIAL_TAGS = {
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'l': "svg:g[@inkscape:groupmode='layer']",
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'p': 'svg:path'
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}
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xpath = re.sub(r'((?<=/)(' + '|'.join(BASIC_TAGS) + r')\b)', r'svg:\1', xpath)
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for k, v in SPECIAL_TAGS.items():
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xpath = re.sub('(?<=/)' + k + r'\b', v, xpath)
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xpath = re.sub(r'(?<=\[)(\d+):(\d+)(?=\])', r'position()>=\1 and position()<\2', xpath)
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if type(obj).__name__ != 'ElementList':
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obj = [obj]
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output = []
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for child in obj:
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matches = child.xpath(xpath, namespaces={
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'svg': 'http://www.w3.org/2000/svg',
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'inkscape': 'http://www.inkscape.org/namespaces/inkscape'})
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for match in matches:
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if type(match).__name__ not in ('Defs', 'NamedView', 'Metadata'):
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output.append(match)
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return output
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def effect(self):
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"""Main entry point to process current document. Not to be called externally."""
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actions_list = self.custom_effect(self)
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if actions_list is None or actions_list == []:
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self.msg("No actions received. Perhaps you are calling inkex object methods?")
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elif isinstance(actions_list, list):
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tempfile = self.options.input_file + "-BaseExtension.svg"
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# prepare
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copy2(self.options.input_file, tempfile)
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#disabled because it leads to crash Inkscape: https://gitlab.com/inkscape/inkscape/-/issues/2487
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#actions_list.append("FileSave")
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#actions_list.append("FileQuit")
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#extra_param = "--with-gui"
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#workaround to fix it (we use export to tempfile instead processing and saving again)
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actions_list.append("export-type:svg")
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actions_list.append("export-filename:{}".format(tempfile))
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actions_list.append("export-do")
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extra_param = "--batch-process"
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actions = ";".join(actions_list)
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inkscape(tempfile, extra_param, actions=actions)
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# finish up
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# replace current document with content of temp copy file
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self.document = inkex.load_svg(tempfile)
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# update self.svg
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self.svg = self.document.getroot()
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# Clean up tempfile
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try:
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os.remove(tempfile)
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except Exception: # pylint: disable=broad-except
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pass
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def call(self, child, ext_options):
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"""Used to call an extension from another extension"""
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old_options = self.options
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parser = argparse.ArgumentParser()
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child.args_adder(parser)
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self.options = parser.parse_args([])
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for k, v in ext_options.items():
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setattr(self.options, k, v)
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output = child.custom_effect(self)
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self.options = old_options
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return output
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177
extensions/fablabchemnitz/batch_task/batch_task.inx
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177
extensions/fablabchemnitz/batch_task/batch_task.inx
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<?xml version="1.0" encoding="UTF-8"?>
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<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
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<name>Batch Task</name>
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<id>fablabchemnitz.de.batch_task</id>
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<param name="tab_main" type="notebook">
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<page name="Options" gui-text="Options">
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<param name="target" type="optiongroup" appearance="radio" gui-text="XPath upon:">
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<option value="root">Entire document</option>
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<option value="selected">Only selected objects</option>
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</param>
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<param name="xpath" type="string" gui-text="XPath:" />
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<param name="tab_effect" type="notebook">
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<page name="Preset" gui-text="Presets">
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<param name="effect_preset1" type="optiongroup" appearance="combo" gui-text="Preset effect 1:">
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<option value="">Do nothing</option>
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<option value="EditDuplicate">EditDuplicate</option>
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<option value="EditDelete">EditDelete</option>
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<option value="SelectionGroup">SelectionGroup</option>
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<option value="SelectionUnGroup">SelectionUnGroup</option>
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<option value="SelectionRaise">SelectionRaise</option>
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<option value="SelectionLower">SelectionLower</option>
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<option value="SelectionToFront">SelectionToFront</option>
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<option value="SelectionToBack">SelectionToBack</option>
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<option value="org.inkscape.color.brighter">Brighter</option>
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<option value="org.inkscape.color.darker">Darker</option>
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</param>
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<param name="effect_preset2" type="optiongroup" appearance="combo" gui-text="Preset effect 2:">
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<option value="">Do nothing</option>
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<option value="EditDuplicate">EditDuplicate</option>
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<option value="EditDelete">EditDelete</option>
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<option value="SelectionGroup">SelectionGroup</option>
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<option value="SelectionUnGroup">SelectionUnGroup</option>
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<option value="SelectionRaise">SelectionRaise</option>
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<option value="SelectionLower">SelectionLower</option>
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<option value="SelectionToFront">SelectionToFront</option>
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<option value="SelectionToBack">SelectionToBack</option>
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<option value="org.inkscape.color.brighter">Brighter</option>
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<option value="org.inkscape.color.darker">Darker</option>
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</param>
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<param name="effect_preset3" type="optiongroup" appearance="combo" gui-text="Preset effect 3:">
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<option value="">Do nothing</option>
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<option value="EditDuplicate">EditDuplicate</option>
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<option value="EditDelete">EditDelete</option>
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<option value="SelectionGroup">SelectionGroup</option>
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<option value="SelectionUnGroup">SelectionUnGroup</option>
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<option value="SelectionRaise">SelectionRaise</option>
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<option value="SelectionLower">SelectionLower</option>
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<option value="SelectionToFront">SelectionToFront</option>
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<option value="SelectionToBack">SelectionToBack</option>
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<option value="org.inkscape.color.brighter">Brighter</option>
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<option value="org.inkscape.color.darker">Darker</option>
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</param>
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</page>
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<page name="Simple" gui-text="Simple">
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<param name="effect_simple1" type="string" gui-text="Effect 1:" />
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<param name="effect_simple2" type="string" gui-text="Effect 2:" />
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<param name="effect_simple3" type="string" gui-text="Effect 3:" />
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</page>
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<page name="Multi" gui-text="Multi">
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<param name="effect_multi" type="string" gui-text="Effects:" appearance="multiline" />
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</page>
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</param>
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<!-- <param type="string" name="varname" gui-text="label" indent="1" max-length="5" appearance="multiline">some text</param> -->
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<!-- <param name="param_str2" type="string" gui-text="Effects:" [max-length="5" | appearance="multiline"]></param> -->
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<!-- <param type="string" name="varname" gui-text="label" [indent="1"] [max-length="5" | appearance="multiline"]>some text</param> -->
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<param name="mode" type="optiongroup" appearance="radio" gui-text="Apply effects to:">
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<option value="all">Entire selection</option>
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<option value="indiv">Each object in selection</option>
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</param>
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</page>
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<page name="Help" gui-text="Help">
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<label xml:space="preserve">
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This template provides extension writers with a basis to write their python based Inkscape extensions quickly and properly.
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This testing help text can be changed to help users of the extension.
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</label>
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</page>
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<page name="null_Reference" gui-text="Reference">
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<!--REFERENCE START -->
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<param name="null_notebook" type="notebook">
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<page name="null_edit" gui-text="Edit">
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<label xml:space="preserve">
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EditCut
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EditCopy
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EditPaste</label>
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<separator />
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<label xml:space="preserve">EditDuplicate
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EditClone
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SelectionCreateBitmap</label>
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<separator />
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<label xml:space="preserve">EditDelete</label>
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</page>
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<page name="null_layer" gui-text="Layer">
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<label xml:space="preserve">
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LayerNew
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LayerRename</label>
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</page>
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<page name="null_objects" gui-text="Objects">
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<label xml:space="preserve">
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SelectionGroup
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SelectionUnGroup</label>
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<separator />
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<label xml:space="preserve">ObjectSetClipPath
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ObjectUnSetClipPath
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ObjectSetMask
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ObjectUnSetMask</label>
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<separator />
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<label xml:space="preserve">SelectionRaise
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SelectionLower
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SelectionToFront
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SelectionToBack</label>
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</page>
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<page name="null_objects_2" gui-text="Objects 2">
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<label xml:space="preserve">
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ObjectRotate90
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ObjectRotate90CCW
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ObjectFlipHorizontally
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ObjectFlipVertically</label>
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<separator />
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<label xml:space="preserve">UnhideAll
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UnhideAllInAllLayers
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UnlockAll
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UnlockAllInAllLayers</label>
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</page>
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<page name="null_path" gui-text="Path">
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<label xml:space="preserve">
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SelectionUnion
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SelectionDiff
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SelectionIntersect</label>
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<separator />
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<label xml:space="preserve">SelectionSymDiff
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SelectionDivide
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SelectionCutPath</label>
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<separator />
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<label xml:space="preserve">SelectionCombine
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SelectionBreakApart</label>
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<separator />
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<label xml:space="preserve">SelectionInset
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SelectionOffset
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SelectionReverse</label>
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</page>
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<page name="null_text" gui-text="Text">
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<label xml:space="preserve">
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SelectionTextToPath
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SelectionTextFromPath
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SelectionTextRemoveKerns</label>
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</page>
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<page name="null_filters" gui-text="Filters">
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<label xml:space="preserve">
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Color
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org.inkscape.color.brighter
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org.inkscape.color.darker
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org.inkscape.color.grayscale
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org.inkscape.color.black_and_white</label>
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</page>
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<page name="null_extensions" gui-text="Extensions">
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<label xml:space="preserve">
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EffectLast</label>
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</page>
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</param>
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<!-- REFERENCE END -->
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</page>
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</param>
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<param name="dry_run" type="bool" gui-text="Dry run">true</param>
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<effect>
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<object-type>all</object-type>
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<!--object-type>path</object-type-->
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<effects-menu>
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<submenu name="FabLab Chemnitz">
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<submenu name="Various"/>
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</submenu>
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</effects-menu>
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</effect>
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<script>
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<command location="inx" interpreter="python">batch_task.py</command>
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</script>
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</inkscape-extension>
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152
extensions/fablabchemnitz/batch_task/batch_task.py
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152
extensions/fablabchemnitz/batch_task/batch_task.py
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@ -0,0 +1,152 @@
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#!/usr/bin/env python3
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import os
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import sys
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import re
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import subprocess
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from BaseExtension import BaseExtension
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# For linting purposes
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from argparse import ArgumentParser
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"""If syntax error occurs here, change inkscape interpreter to python3"""
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"""I have yet to find a way for an extension to call another extension with parameters,
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without GUI. This extension can be run as part of a standalone extension (using BaseExtension)
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or imported for use by another extension. This workaround is done via the 'option' arg in
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the 'custom_effect' function"""
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def custom_effect(self: BaseExtension):
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"""Note: The init of the BaseExtension class will set its 'custom_effect' attr
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to this function. Hence, the self arg is of type BaseExtension."""
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selected = self.svg.selected
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root = self.document.getroot()
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actions_list = []
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proc = subprocess.run("inkscape --verb-list | grep -oP '^.+?(?=:)'",
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shell=True, capture_output=True)
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valid_actions_and_verbs = proc.stdout.decode().splitlines()
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proc = subprocess.run("inkscape --action-list | grep -oP '^.+?(?= *:)'",
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shell=True, capture_output=True)
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valid_actions_and_verbs += proc.stdout.decode().splitlines()
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self.options.dry_run = self.options.dry_run == 'true'
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def verify_action(action):
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if ':' in action:
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action = action.split(':')[0]
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if action not in valid_actions_and_verbs:
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raise ValueError(action)
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def select_do_individually(objs, actions):
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for obj in objs:
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actions_list.append("EditDeselect")
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actions_list.append("select-by-id:" + obj.get_id())
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if isinstance(actions, str):
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actions = [actions]
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for action in actions:
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verify_action(action)
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actions_list.append(action)
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def select_do_on_all(objs, actions):
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for obj in objs:
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actions_list.append("select-by-id:" + obj.get_id())
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if isinstance(actions, str):
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actions = [actions]
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for action in actions:
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verify_action(action)
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actions_list.append(action)
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effects = []
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try:
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if self.options.tab_effect is None:
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if self.options.effects is not None:
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self.options.tab_effect = 'Multi'
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elif self.options.effect1 is not None:
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self.options.tab_effect = 'Simple'
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elif self.options.tab_effect in ('Preset', 'Simple'):
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for attr in ('effect_' + self.options.tab_effect.lower() + str(i) for i in range(1, 4)):
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e = getattr(self.options, attr)
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if e != None:
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effects += [e.strip()]
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if effects == []:
|
||||
raise ValueError
|
||||
elif self.options.tab_effect == 'Multi':
|
||||
if self.options.effects is None:
|
||||
raise ValueError
|
||||
for line in self.options.effects.split('\\n'):
|
||||
effects += [e.strip() for e in line.split(';') if e != '']
|
||||
except ValueError:
|
||||
self.msg("No effects inputted! Quitting...")
|
||||
sys.exit(0)
|
||||
|
||||
|
||||
if self.options.target == 'root':
|
||||
objects = self.find(root, '/svg:svg' + self.options.xpath)
|
||||
elif self.options.target == 'selected':
|
||||
objects = self.find(selected, self.options.xpath)
|
||||
if objects == []:
|
||||
self.msg(f"No objects satisfies XPath: '{self.options.xpath}'.")
|
||||
self.msg("Root:", self.show(root))
|
||||
self.msg("Selected:", self.show(selected))
|
||||
sys.exit(0)
|
||||
|
||||
|
||||
try:
|
||||
if self.options.mode == 'all':
|
||||
select_do_on_all(objects, effects)
|
||||
elif self.options.mode == 'indiv':
|
||||
select_do_individually(objects, effects)
|
||||
except ValueError as e:
|
||||
self.msg(f"'{e.args[0]}' is not a valid action or verb in inkscape.")
|
||||
sys.exit(1)
|
||||
|
||||
if self.options.dry_run:
|
||||
self.msg(f"{'DRY RUN':=^40}")
|
||||
self.msg("Root:", self.show(self.find(root, '/*')))
|
||||
self.msg("Selected:", self.show(selected))
|
||||
self.msg()
|
||||
self.msg("XPath:", self.show(objects))
|
||||
self.msg()
|
||||
self.msg("Actions:", actions_list)
|
||||
sys.exit(0)
|
||||
return actions_list
|
||||
|
||||
|
||||
def args_adder(arg_parser: ArgumentParser):
|
||||
|
||||
arg_parser.add_argument("--target", default='root', help="Object to apply xpath find on")
|
||||
arg_parser.add_argument("--xpath", default='/*', help="For selection of objects")
|
||||
arg_parser.add_argument("--tab_main", default=None)
|
||||
arg_parser.add_argument("--Simple", default=None)
|
||||
arg_parser.add_argument("--Multi", default=None)
|
||||
arg_parser.add_argument("--mode", default="all", help="Mode to apply effects on objects")
|
||||
arg_parser.add_argument("--tab_effect", default=None)
|
||||
for arg in (*(x + str(y) for x in ('effect_preset', 'effect_simple') for y in range(1, 4)), 'effects'):
|
||||
arg_parser.add_argument(f"--{arg}", default=None, help="Inkscape verb for path op")
|
||||
arg_parser.add_argument("--dry_run", default='false')
|
||||
arg_parser.add_argument("--null_notebook", default='false')
|
||||
|
||||
#import inkex
|
||||
#for key, value in arg_parser.parse_args()._get_kwargs():
|
||||
# if value is not None:
|
||||
# inkex.utils.debug("{}={}".format(key, value))
|
||||
|
||||
BatchTask = BaseExtension(custom_effect, args_adder=args_adder)
|
||||
|
||||
if __name__ == '__main__':
|
||||
BatchTask.run()
|
||||
|
||||
|
||||
|
||||
|
||||
# Namespace(Multi='SelectionDiff', Simple='SelectionDiff', dry_run='false', effect1='SelectionBreakApart', effect2=None, effect3=None, effects=None, ids=['image25'], input_file='/tmp/ink_ext_XXXXXX.svgIDCKU0', mode='all', null='null', output=<_io.BufferedWriter name='<stdout>'>, selected_nodes=[], tab_effect='Simple', tab_main='Options', target='root', xpath='/*')
|
||||
|
||||
|
||||
# Namespace(Multi=None, Simple=None, dry_run='false', effect1='SelectionDelete', effect2=None, effect3=None, effects=None, mode='all', null='false', tab_effect=None, tab_main=None, target='root', xpath='/*')
|
||||
Reference in New Issue
Block a user