python第十二天

'''文件异常的处理,计算文件夹中文本的字数'''
def word_count(file_name):    
    try:
        with open(file_name) as test:
            lines = test.read()
    except FileNotFoundError:
        print ("The file doesn't exist!")
    else:
        word = lines.split()
        nu = len(word)
        print("The file has "+str(nu)+" words.")
path = '/mnt/hgfs/gongxiang/wonderland.txt'
word_count(path)

'''除法计算器关于两个异常的处理'''
while True:
    print ("Give me two number and i will divede them.")
    print("Enter 'q' to quit!")
    first_num =input ("Enter the first number:")
    if first_num == 'q':
        print("Thank you for your use!")
        break
    second_num = input ("Enter the second number:")
    if second_num == 'q':
        print("Thank you for your use!")
        break
    try:
        ans = int(first_num)/int(second_num)
    except ValueError:
        print("Character can't do caculate!")
        confirm = input("Contineue or enter 'q' to quit!")
        if confirm == 'q':
            print("Thank you for your use!")
            break
    except ZeroDivisionError:
        print ("You can't divide 0!")
  confirm = input("Contineue or enter 'q' to quit!")
        if confirm == 'q':
            print("Thank you for your use!")
            break
    else:
        print ("The answer is: "+str(ans))  
        confirm = input("Contineue or enter 'q' to quit!")
        if confirm == 'q':
            print("Thank you for your use!")
            break

'''文件内容的读出'''
import json
secentence = '张旭草泥马'
filename = '/mnt/hgfs/gongxiang/zx.json'
with open(filename,'w')as f_obj:
    json.dump(secentence,f_obj)

'''文件的写入'''
import json
filename = '/mnt/hgfs/gongxiang/zx.json'
with open(filename)as f_obj:
    secentence = json.load(f_obj)
print (secentence)


'''测试'''
import unittest
from name import get_name_formatted
 
class NameTest(unittest.TestCase):
    def test_name(self):
        formatted_name = get_name_formatted('calvin','harris')
        self.assertEqual(formatted_name,'Calvin Harris')
 
unittest.main()


''''被测试文件'''
def get_name_formatted(first_name,second_name,middle_name=''):
    if middle_name:
        print(first_name.title()+' '+middle_name.title()+' '+second_name.title())
    else:
        print(first_name.title()+' '+second_name.title())