[Head First Python]4. pickle.dump pickle.load

sketch.py

#--*-- coding:utf-8 --*--
import pickle
import nester
man = []
other = []
try:
    data = open ("datafile.txt")

    for each_line in data:
        try:    
            (role, line_spoken) = each_line.split(":", 1)
            line_spoken = line_spoken.strip()
            if role == 'Man':
                man.append(line_spoken)
            elif role == 'Other Man':
                other.append(line_spoken)    
            
        except ValueError:
            pass

    data.close()
except IOError:
    print('this data file is missing!')

try:
    with open('man.out', 'wb') as man_out, open('other.out','wb') as other_out:
        pickle.dump(man, man_out) #二进制存储数据到文件
        pickle.dump(other, other_out)

except pickle.PickleError as perr:
    print('pickle error' + str(perr))

new_man = []
try:
    with open('man.out', 'rb') as man_file:
        new_man = pickle.load(man_file) #二进制文件数据读取到list
except IOError as err:
    print('file error' + str(err))
except pickle.PickleError as perr:
    print('pickle err' + str(perr))

nester.print_lol(new_man)