import configparser, importlib.machinery
from cppy.cp_util import *

class PluginManager:
    def __init__(self):
         self.plugins = {}

    def load_plugins(self):        
        _dir = os.path.dirname(os.path.abspath(__file__))  
        os.chdir(_dir)   

        config = configparser.ConfigParser()
        config.read("config.ini")    

        frequencies_plugin = config.get("Plugins", "frequencies")
        
        # 加载插件
        self.plugins['word_freqs'] = importlib.machinery.SourcelessFileLoader('', frequencies_plugin).load_module()

    def get_plugin(self, name):
        return self.plugins.get(name)


# 创建 PluginManager 实例
plugin_manager = PluginManager()
plugin_manager.load_plugins()

wordlist = extract_file_words(testfilepath)  # 提取文件中的单词
word_freqs = plugin_manager.get_plugin('word_freqs').top_word(wordlist)  # 调用实例方法
print_word_freqs(word_freqs)  # 打印词频