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Switch to eTree as a xml library (instead of minidom)

This commit is contained in:
Florian Festi 2019-07-02 12:09:03 +02:00
parent 443c8a1c38
commit 4a9cdc8d8e
1 changed files with 8 additions and 9 deletions
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17
boxes/svgutil.py
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@ -17,6 +17,7 @@
import xml.parsers.expat import xml.parsers.expat
import re import re
from xml.etree import cElementTree as ElementTree
class SVGFile(object): class SVGFile(object):
pathre = re.compile(r"[MCL]? *((-?\d+(\.\d+)?) (-?\d+(\.\d+)?) *)+") pathre = re.compile(r"[MCL]? *((-?\d+(\.\d+)?) (-?\d+(\.\d+)?) *)+")
@ -25,6 +26,7 @@ class SVGFile(object):
def __init__(self, filename): def __init__(self, filename):
self.filename = filename self.filename = filename
self.minx = self.maxx = self.miny = self.maxy = None self.minx = self.maxx = self.miny = self.maxy = None
self.tree = ElementTree.parse(filename)
def handleStartElement(self, name, attrs): def handleStartElement(self, name, attrs):
self.tags.append(name) self.tags.append(name)
@ -74,9 +76,6 @@ class SVGFile(object):
""" """
Modify SVG file to have the correct width, height and viewPort attributes. Modify SVG file to have the correct width, height and viewPort attributes.
""" """
from xml.dom.minidom import parse, parseString
# parse the XML file
svg_dom = parse(self.filename)
self.minx = self.minx or 0 self.minx = self.minx or 0
self.miny = self.miny or 0 self.miny = self.miny or 0
@ -87,17 +86,17 @@ class SVGFile(object):
minx = 0 minx = 0
else: else:
minx = 10 * int(self.minx // 10) - 10 minx = 10 * int(self.minx // 10) - 10
# raise ValueError("Left end of drawing at wrong place: %imm (0-50mm expected)" % self.minx)
maxx = 10 * int(self.maxx // 10) + 10 maxx = 10 * int(self.maxx // 10) + 10
miny = 10 * int(self.miny // 10) - 10 miny = 10 * int(self.miny // 10) - 10
maxy = 10 * int(self.maxy // 10) + 10 maxy = 10 * int(self.maxy // 10) + 10
svg_dom.documentElement.attributes['width'].nodeValue = "%imm" % (maxx-minx) root = self.tree.getroot()
svg_dom.documentElement.attributes['height'].nodeValue = "%imm" % (maxy-miny) root.set('width', "%imm" % (maxx-minx))
svg_dom.documentElement.attributes['viewBox'].nodeValue = "%i %i %i %i" % (minx, miny, maxx - minx, maxy - miny) root.set('height', "%imm" % (maxy-miny))
root.set('viewBox', "%i %i %i %i" % (minx, miny, maxx - minx, maxy - miny))
f = open(self.filename, "w") self.tree.write(self.filename)
svg_dom.writexml(f)
unit2mm = {"mm" : 1.0, unit2mm = {"mm" : 1.0,
"cm" : 10.0, "cm" : 10.0,