import re
import xml.etree.ElementTree as ET
 
content = """<?xml version="1.0" encoding="utf-8"?>
<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
  <metadata>
    <id>AutoMapper</id>
    <version>9.0.0</version>
    <authors>Jimmy Bogard</authors>
    <owners>Jimmy Bogard</owners>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
    <licenseUrl>https://g...content-available-to-author-only...b.com/AutoMapper/AutoMapper/blob/master/LICENSE.txt</licenseUrl>
    <projectUrl>https://a...content-available-to-author-only...r.org/</projectUrl>
    <iconUrl>https://s...content-available-to-author-only...s.com/automapper/icon.png</iconUrl>
    <description>A convention-based object-object mapper.</description>
    <repository type="git" url="https://g...content-available-to-author-only...b.com/AutoMapper/AutoMapper" commit="53faf3f014802b502f6a49b4c94368f478752f59" />
    <dependencies>
      <group targetFramework=".NETFramework4.6.1" />
      <group targetFramework=".NETStandard2.0">
        <dependency id="Microsoft.CSharp" version="4.5.0" exclude="Build,Analyzers" />
        <dependency id="System.Reflection.Emit" version="4.3.0" exclude="Build,Analyzers" />
      </group>
    </dependencies>
    <frameworkAssemblies>
      <frameworkAssembly assemblyName="Microsoft.CSharp" targetFramework=".NETFramework4.6.1" />
    </frameworkAssemblies>
  </metadata>
</package>"""
 
if re.search(r'<licenseUrl>(?P<url>.*?)</licenseUrl>', content, flags=re.DOTALL or re.MULTILINE) is not None:
	print('<licenseUrl> found using regex')
 
tree = ET.fromstring(content)
 
tag = tree.find('licenseUrl')
if tag is None:
	print("tree.find('licenseUrl'): nothing found")
 
tags = tree.findall('*/licenseUrl')
if len(tags) == 0:
	print("tree.findall('*/licenseUrl'): nothing found")
 
tags = tree.findall('.//licenseUrl')
if len(tags) == 0:
	print("tree.findall('.//licenseUrl'): nothing found")
 
tags = tree.findall('licenseUrl')
if len(tags) == 0:
	print("tree.findall('licenseUrl'): nothing found")
 
tag = tree.find('.//{*}licenseUrl')
if tag is None:
	print("tree.find('.//{*}licenseUrl'): nothing found")

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