q3.py

from xml.etree import ElementTree
from pprint import pprint


tree = ElementTree.parse('diagram.svg')

out = {}


def walk(node, attribs):
    at = attribs.copy()
    at.update(node.attrib)
    # out[node.tag] = attribs
    #print(node.tag, attribs)
    if node.tag.endswith("}rect") or node.tag.endswith("}circle") or node.tag.endswith("}path"):
        #if node.tag.endswith("}circle"):
        #    print("magic")
        if "fill" not in at:
            at["fill"] = "#000000"
        if "stroke" not in at:
            at["stroke"] = "#000000"
        if "stroke-dasharray" not in at:
            at["stroke-dasharray"] = "none"
        if "stroke-width" not in at:
            at["stroke-width"] = "1"
        out[at["id"]] = "fill=\"" + at["fill"] + "\" stroke=\"" + at["stroke"] + \
                             '" stroke-dasharray="' + at["stroke-dasharray"] + '" stroke-width="' + at[
                                 "stroke-width"] + '"'

    for child in node:
        walk(child, at)


walk(tree.getroot(), {})

for key in sorted(out):
    print(key + " " + out[key])