Created
May 22, 2024 04:22
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An example to get the root of mxGraphModel from draw io file.
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#!python | |
# coding: utf-8 | |
import sys | |
import zlib | |
import base64 | |
import xml.etree.ElementTree as ET | |
from urllib.parse import unquote | |
def decode_drawio(filename): | |
tree = ET.parse(filename) | |
root = tree.getroot() | |
is_compressed = root.attrib.get('compressed', None) == 'true' | |
if is_compressed: | |
raw = tree.find('diagram') | |
data = base64.b64decode(raw.text) | |
zobj = zlib.decompressobj(wbits=-15) | |
xml = zobj.decompress(data).decode('utf-8') | |
xml = unquote(xml) | |
xml = ET.ElementTree(ET.fromstring(xml)) | |
xml = xml.getroot() | |
else: | |
raw = tree.find('diagram/mxGraphModel') | |
xml = raw | |
return xml | |
if __name__ == '__main__': | |
xml = decode_drawio(sys.argv[1]) | |
print(xml) |
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