0c5b944686
The Inkscape export would put objects into the wrong layers or miss objects completely when no layer was selected.
120 lines
3.3 KiB
Python
120 lines
3.3 KiB
Python
import os
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import xml.etree.ElementTree as etree
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from lib import util
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def get_inkscape_layers(svg_path):
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document = etree.parse(svg_path)
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def iter_layers():
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nodes = document.findall(
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'{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]')
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for i in nodes:
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inkscape_name = i.get('{http://www.inkscape.org/namespaces/inkscape}label').strip()
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if inkscape_name.endswith(']'):
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export_name, args = inkscape_name[:-1].rsplit('[', 1)
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export_name = export_name.strip()
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args = args.strip()
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use_paths = 'p' in args
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else:
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use_paths = False
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export_name = inkscape_name
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yield Layer(inkscape_name, export_name, use_paths)
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return list(iter_layers())
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def _inkscape(svg_path, verbs):
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def iter_args():
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yield os.environ['INKSCAPE']
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for i in verbs:
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yield '--verb'
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yield i
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yield svg_path
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util.command(list(iter_args()))
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class Layer(object):
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def __init__(self, inkscape_name, export_name, use_paths):
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self.inkscape_name = inkscape_name
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self.export_name = export_name
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self.use_paths = use_paths
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class InkscapeCommandLine(object):
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def __init__(self, path):
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self._path = path
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self._layers = get_inkscape_layers(path)
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self._current_layer_index = None
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self._verbs = []
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def apply_to_document(self, *verb):
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self._verbs.extend(verb)
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def apply_to_layer(self, layer, *verb):
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self._go_to_layer(layer)
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self.apply_to_document(*verb)
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def select_all_in_layer(self, layer):
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self.apply_to_layer(layer, 'EditSelectAll')
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def apply_to_layer_content(self, layer, *verbs):
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self.select_all_in_layer(layer)
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self.apply_to_document(*verbs)
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def _go_to_layer(self, layer, with_selection = False):
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if self._current_layer_index is None:
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# Initialize to a known state. We cannot assume that any layer is selected and thus we need as many LayerPrev as we have layers.
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self._current_layer_index = len(self._layers)
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self._go_to_layer(self._layers[0])
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target_index = self._layers.index(layer)
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while True:
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if self._current_layer_index < target_index:
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self.apply_to_document('LayerMoveToNext' if with_selection else 'LayerNext')
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self._current_layer_index += 1
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elif self._current_layer_index > target_index:
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self.apply_to_document('LayerMoveToPrev' if with_selection else 'LayerPrev')
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self._current_layer_index -= 1
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else:
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break
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def duplicate_layer(self, layer):
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self.apply_to_layer(layer, 'LayerDuplicate')
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# Inkscape 0.91 places a duplicated layer above (after) the selected one and selects the new layer.
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new_layer = Layer(layer.inkscape_name + ' copy', layer.export_name, layer.use_paths)
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self._current_layer_index += 1
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self._layers.insert(self._current_layer_index, new_layer)
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return new_layer
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def delete_layer(self, layer):
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self.apply_to_layer(layer, 'LayerDelete')
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# Inkscape 0.91 selects the layer above (after) the deleted layer.
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del self._layers[self._current_layer_index]
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def clear_layer(self, layer):
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self.select_all_in_layer(layer)
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self.apply_to_document('EditDelete')
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def move_content(self, source_layer, target_layer):
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self.select_all_in_layer(source_layer)
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self._go_to_layer(target_layer, True)
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def run(self):
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_inkscape(self._path, self._verbs)
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@property
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def layers(self):
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return list(self._layers)
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