isatty

文件isatty()方法 (File isatty() Method)

isatty() method is an inbuilt method in Python, it is used to check whether a file stream is an interactive or not in Python i.e. a file stream is connected to a terminal device. If a file is connected to a terminal then it will be an interactive and the method will return "True".

isatty()方法是Python中的内置方法，用于检查文件流在Python中是否是交互式的，即文件流已连接到终端设备。 如果文件连接到终端，则它将是交互式的，并且该方法将返回“ True”。

Syntax:

句法：

    file_object.isatty()

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of this method is <class 'bool'>, it returns True if file stream is an interactive and returns False if files is not interactive.

此方法的返回类型为<class'bool'> ，如果文件流是交互式的，则返回True；如果文件不是交互式的，则返回False 。

Example:

例：

# Python File isatty() Method with Example
# creating a file
myfile1 = open("hello1.txt", "w")
# checking whethet the file stream is 
# an interactive
print("myfile1.isatty():", myfile1.isatty())
# closing the file
myfile1.close()
# opening file in read mode
myfile1 = open("hello1.txt", "r")
# checking whethet the file stream is 
# an interactive
print("myfile1.isatty():", myfile1.isatty())
# closing the file
myfile1.close()

Output

输出量

myfile1.isatty(): False
myfile1.isatty(): False

翻译自: https://www.includehelp.com/python/file-isatty-method-with-example.aspx

isatty