配置模板：
    org.server.host = localhost
    org.server.port = 20202

    1. class Properties(object):
    2.     def __init__(self, filename: str):
    3.         self.filename = filename
    4.         self.properties = {}
    6.     def set(self, name: str, key, value):
    7.         if name.find(".") > 0:
    8.             k = name.split(".")[0]
    9.             key.setdefault(k, {})
    10.             return self.set(name[len(k)+1:], key[k], value)
    11.         key[name] = value
    12.         return
    14.     def load(self):
    15.         for line in open(self.filename, "r"):
    16.             line = line.strip().replace("\n", "")
    17.             if line.find("#") != -1:
    18.                 line = line[0: line.find("#")]
    19.             if line.find("=") > 0:
    20.                 prefix, suffix = line.split("=")
    21.                 suffix = line[len(prefix)+1:]
    22.                 self.set(prefix.strip(), self.properties, suffix.strip())
    23.         return self.properties
    25. if __name__ == '__main__':
    26.     import sys
    27.     prop = Properties(sys.argv[1])
    28.     print(prop.load())