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import base64
import lxml.etree
def get_build_config(tree):
tag = tree.xpath("/project/properties//defaultValue")
assert len(tag) == 1
tag = tag[0]
d = {}
for l in base64.decodestring(tag.text).split("\n"):
l = l.strip()
if not l or l[0] == "#":
continue
k, v = l.split("=", 1)
d[k] = v
return d
def add_or_replace_node(tree, node_xpath, node_text):
new_node = lxml.etree.fromstring(node_text)
nodes = tree.xpath(node_xpath)
assert len(nodes) < 2, "Please use more selective XPath expression"
if nodes:
# First, add new node after existing
nodes[0].addnext(new_node)
# Then, delete the original node
nodes[0].getparent().remove(nodes[0])
else:
parent_xpath, _ = node_xpath.rsplit("/", 1)
parent = tree.xpath(parent_xpath)[0]
parent.append(new_node)
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