python write() argument must be str, not bytes

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python write() argument must be str, not bytes

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Python错误TypeError: write() argument must be str, not bytes

2016-07-03 20:51:25 今天使用Python中的pickle存储的时候出现了以下错误: TypeError: write() argument must be str, not bytes 网上搜索才发现原来是文件打开的方式有问题. 之前文件打开的语句是: f=open("list.pkl","w+") 然后使用二进制方式打开就没有这个问题: f=open("list_account.pkl","wb+") 产…

Python 读写文件中文乱码错误TypeError: write() argument must be str, not bytes+

今天写上传文件代码,如下 def uploadHandle(request): pic1=request.FILES['pic1'] picName=os.path.join(settings.MEDIA_ROOT,pic1.name) with open(picName,'w') as pic: for c in pic1.chunks(): pic.write(c) return HttpResponse(picName) 出现TypeError: write() argument must…

TypeError: write() argument must be str, not bytes报错

TypeError: write() argument must be str, not bytes 之前文件打开的语句是: with open('C:/result.pk','w') as fp: 然后使用二进制方式打开就没有这个问题: with open('C:/result.pk','wb+') as fp: 产生问题的原因是因为存储方式默认是二进制方式.…

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str 和 bytes 转换 b = b"example" # str object s = "example" # str to bytes bytes(s, encoding = "utf8") # bytes to str str(b, encoding = "utf-8") # an alternative method # str to bytes str.encode(s) # bytes to str bytes…

TypeError: write() argument must be str, not bytes报错原因及Python3写入二进制文件方法

Python2随机写入二进制文件: with open('/python2/random.bin','w') as f: f.write(os.urandom(10)) 但使用Python3会报错: TypeError:must be str, not bytes 原因为:Python3给open函数添加了名为encoding的新参数,而这个新参数的默认值却是'utf-8'.这样在文件句柄上进行read和write操作时,系统就要求开发者必须传入包含Unicode字符的实例,而不接受包含二进制数…