code: def get_python_doc_path():
      
      if os.name == 'nt':
          doc_path = osp.join(sys.prefix, "Doc")
          if not osp.isdir(doc_path):
              return
          python_chm = [path for path in os.listdir(doc_path)
                        if re.match(r"(?i)Python[0-9]{3,6}.chm", path)]
          if python_chm:
              return file_uri(osp.join(doc_path, python_chm[0]))
      else:
          vinf = sys.version_info
          doc_path = '/usr/share/doc/python%d.%d/html' % (vinf[0], vinf[1])
      python_doc = osp.join(doc_path, "index.html")
      if osp.isfile(python_doc):
          return file_uri(python_doc)
docs: Return Python documentation path
      (Windows: return the PythonXX.chm path if available)