import os

class Corpus:
    def __init__(self,fp):
        self.fp = fp
    def emails(self):
        code = ['utf-8', 'windows-1252', 'iso-8859-1']
        newDir = os.path.join(os.getcwd(),self.fp)
        filelist = os.listdir(newDir)
        for fname in filelist:
            if '!' not in fname and os.path.isdir(fname) == False:
                for coding in code:
                    try:
                        with open(newDir + '/' + fname, "r", encoding=coding) as body:
                            yield fname, body.read()
                        break
                    except:
                        continue