FabLab_Chemnitz/mightyscape-1.1-deprecated
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mightyscape-1.1-deprecated
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mightyscape-1.1-deprecated/extensions/fablabchemnitz/migrategroups.py

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#!/usr/bin/env python3
"""
Extension for InkScape 1.0
This extension parses the selection and will put all elements into one single group. If you have a cluster with lots of groups and elements you will clean up this way (one top level group, all elements below it). If you select a single element or a set of elements you just wrap it like using CTRL + G (like making a usual group). You can also use this extension to filter out unwanted SVG elements at all.
Author: Mario Voigt / FabLab Chemnitz
Mail: mario.voigt@stadtfabrikanten.org
Date: 13.08.2020
Last Patch: 31.08.2020
License: GNU GPL v3
"""
import inkex
from lxml import etree
class MigrateGroups(inkex.Effect):
allElements = [] #list of all (sub)elements to process within selection
allGroups = [] #list of all groups (svg:g and svg:svg items) to delete for cleanup (for ungrouping)
allDrops = [] #list of all other elements except svg:g and svg:svg to drop while migrating (for filtering)
def __init__(self):
inkex.Effect.__init__(self)
self.arg_parser.add_argument("--ignorecustomselection", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--operationmode", default=False)
self.arg_parser.add_argument("--parsechildren", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--cleanup", type=inkex.Boolean, default = True, help = "Decimal tolerance")
self.arg_parser.add_argument("--showdroplist", type=inkex.Boolean, default=False)
self.arg_parser.add_argument("--shownewgroupname", type=inkex.Boolean, default=False)
#self.arg_parser.add_argument("--sodipodi", type=inkex.Boolean, default=True)
#self.arg_parser.add_argument("--svg", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--circle", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--clipPath", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--defs", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--ellipse", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--image", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--line", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--path", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--polyline", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--polygon", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--rect", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--text", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--tspan", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--linearGradient", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--radialGradient", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--meshGradient", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--meshRow", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--meshPatch", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--metadata", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--script", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--symbol", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--stop", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--use", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--flowRoot", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--flowRegion", type=inkex.Boolean, default=True)
self.arg_parser.add_argument("--flowPara", type=inkex.Boolean, default=True)
def effect(self):
namespace = [] #a list of selected types we are going to process for filtering (dropping items)
#namespace.append("{http://www.w3.org/2000/svg}sodipodi") if self.options.sodipodi else "" #do not do this. it will crash InkScape
#namespace.append("{http://www.w3.org/2000/svg}svg") if self.options.svg else "" #we handle svg:svg the same type like svg:g
namespace.append("{http://www.w3.org/2000/svg}circle") if self.options.circle else ""
namespace.append("{http://www.w3.org/2000/svg}clipPath") if self.options.clipPath else ""
namespace.append("{http://www.w3.org/2000/svg}defs") if self.options.defs else ""
namespace.append("{http://www.w3.org/2000/svg}ellipse") if self.options.ellipse else ""
namespace.append("{http://www.w3.org/2000/svg}image") if self.options.image else ""
namespace.append("{http://www.w3.org/2000/svg}line") if self.options.line else ""
namespace.append("{http://www.w3.org/2000/svg}polygon") if self.options.polygon else ""
namespace.append("{http://www.w3.org/2000/svg}path") if self.options.path else ""
namespace.append("{http://www.w3.org/2000/svg}polyline") if self.options.polyline else ""
namespace.append("{http://www.w3.org/2000/svg}rect") if self.options.rect else ""
namespace.append("{http://www.w3.org/2000/svg}text") if self.options.text else ""
namespace.append("{http://www.w3.org/2000/svg}tspan") if self.options.tspan else ""
namespace.append("{http://www.w3.org/2000/svg}linearGradient") if self.options.linearGradient else ""
namespace.append("{http://www.w3.org/2000/svg}radialGradient") if self.options.radialGradient else ""
namespace.append("{http://www.w3.org/2000/svg}meshGradient") if self.options.meshGradient else ""
namespace.append("{http://www.w3.org/2000/svg}meshRow") if self.options.meshRow else ""
namespace.append("{http://www.w3.org/2000/svg}meshPatch") if self.options.meshPatch else ""
namespace.append("{http://www.w3.org/2000/svg}script") if self.options.script else ""
namespace.append("{http://www.w3.org/2000/svg}symbol") if self.options.symbol else ""
namespace.append("{http://www.w3.org/2000/svg}metadata") if self.options.metadata else ""
namespace.append("{http://www.w3.org/2000/svg}stop") if self.options.stop else ""
namespace.append("{http://www.w3.org/2000/svg}use") if self.options.use else ""
namespace.append("{http://www.w3.org/2000/svg}flowRoot") if self.options.flowRoot else ""
namespace.append("{http://www.w3.org/2000/svg}flowRegion") if self.options.flowRegion else ""
namespace.append("{http://www.w3.org/2000/svg}flowPara") if self.options.flowPara else ""
#inkex.utils.debug(namespace)
#in case the user made a manual selection instead of whole document parsing, we need to collect all required elements first
def parseChildren(element):
if element not in selected:
selected.append(element)
if self.options.parsechildren == True:
children = element.getchildren()
if children is not None:
for child in children:
if child not in selected:
selected.append(child)
parseChildren(child) #go deeper and deeper
#check the element for it's type and put it into the according list (either re-group or delete or just nothing)
def parseElement(self, element):
#if we only want to ungroup (flatten) the elements we just collect all elements in a list and put them in a new single group later
if self.options.operationmode == "ungroup_only":
if element not in self.allElements:
if element.tag != inkex.addNS('g','svg') and element.tag != inkex.addNS('svg','svg') and element.tag != inkex.addNS('namedview','sodipodi'):
self.allElements.append(element)
#if we dont want to ungroup but filter out elements, or ungroup and filter, we need to divide the elements with respect to the namespace (user selection)
elif self.options.operationmode == "filter_only" or self.options.operationmode == "ungroup_and_filter":
#inkex.utils.debug(element.tag)
if element.tag in namespace: #if the element is in namespace and no group type we will regroup the item. so we will not remove it
if element not in self.allElements:
self.allElements.append(element)
else: #we add all remaining items (except svg:g and svg:svg) into the list for deletion
#inkex.utils.debug(element.tag)
if element.tag != inkex.addNS('g','svg') and element.tag != inkex.addNS('svg','svg') and element.tag != inkex.addNS('namedview','sodipodi'):
if element not in self.allDrops:
self.allDrops.append(element)
#finally the groups we want to get rid off are put into a another list. They will be deleted (depending on the mode) after parsing the element tree
if self.options.operationmode == "ungroup_only" or self.options.operationmode == "ungroup_and_filter":
if element.tag == inkex.addNS('g','svg') or element.tag == inkex.addNS('svg','svg'):
if element not in self.allGroups:
self.allGroups.append(element)
#check if we have selected elements or if we should parse the whole document instead
selected = [] #total list of elements to parse
if len(self.svg.selected) == 0:
for element in self.document.getroot().iter(tag=etree.Element):
if element != self.document.getroot():
selected.append(element)
else:
for id, element in self.svg.selected.items():
parseChildren(element)
#get all elements from the selection.
for element in selected:
parseElement(self, element)
#some debugging block
#check output
#inkex.utils.debug("--- Selected items (with or without children) ---")
#inkex.utils.debug(selected)
#inkex.utils.debug("--- All elements (except groups)---")
#inkex.utils.debug(len(self.allElements))
#inkex.utils.debug(self.allElements)
#inkex.utils.debug("--- All groups ---")
#inkex.utils.debug(len(self.allGroups))
#inkex.utils.debug(self.allGroups)
#inkex.utils.debug("--- All dropouts ---")
#inkex.utils.debug(len(self.allDrops))
#inkex.utils.debug(self.allDrops)
# show a list with items to delete. For ungroup mode it does not apply because we are not going to remove anything
if self.options.operationmode == "filter_only" or self.options.operationmode == "ungroup_and_filter":
if self.options.showdroplist:
self.msg(str(len(self.allDrops)) + " elements were removed during nodes while migration:")
for i in self.allDrops:
if i.get('id') is not None:
self.msg(i.tag.replace("{http://www.w3.org/2000/svg}","svg:") + " id:" + i.get('id'))
# remove all groups from the selection and form a new single group of it by copying with old IDs.
if self.options.operationmode == "ungroup_only" or self.options.operationmode == "ungroup_and_filter":
if len(self.allElements) > 0:
newGroup = self.document.getroot().add(inkex.Group()) #make a new group at root level
newGroup.set('id', self.svg.get_unique_id('migrate-')) #generate some known ID with the prefix 'migrate-'
if self.options.shownewgroupname == True:
inkex.utils.debug("The migrated elements are now in group with ID " + str(newGroup.get('id')))
index = 0
for element in self.allElements: #we have a list of elements which does not cotain any other elements like svg:g or svg:svg
newGroup.insert(index, element) #we do not copy any elements. we just rearrange them by moving to another place (group index)
index += 1 #we must count up the index or we would overwrite each previous element
# remove the stuff from drop list list. this has to be done before we drop the groups where they are located in
if self.options.operationmode == "filter_only" or self.options.operationmode == "ungroup_and_filter":
if len(self.allDrops) > 0:
for dropElement in self.allDrops:
if dropElement.getparent() is not None:
dropElement.getparent().remove(dropElement)
# remove all the obsolete groups which are left over from ungrouping (flattening)
if self.options.operationmode == "ungroup_only" or self.options.operationmode == "ungroup_and_filter":
if len(self.allGroups) > 0:
for group in self.allGroups:
if group.getparent() is not None:
group.getparent().remove(group)
# finally removed dangling empty groups using external extension (if installed)
if self.options.cleanup == True:
try:
import cleangroups
cleangroups.CleanGroups.effect(self)
except:
inkex.utils.debug("Calling 'Remove Empty Groups' extension failed. Maybe the extension is not installed. You can download it from official InkScape Gallery.")
if __name__ == '__main__':
MigrateGroups().run()
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