Python memoryview() Function
Python Built-in FunctionsDescription
memoryview()The function returns a memory view object for the given argument.
The so-called memory view object refers to wrapping data that supports the buffer protocol, allowing Python code to access it without copying the object.
Syntax
memoryview syntax:
memoryview(obj)
Parameter description:
- obj -- object
Return Value
Return a list of tuples.
Examples
The following examples demonstrate the usage of memoryview:
Python2.x Usage:
>>>v = memoryview('abcefg')
>>> v[1]
'b'
>>> v[-1]
'g'
>>> v[1:4]
<memory at 0x77ab28>
>>> v[1:4].tobytes()
'bce'
Python3.x Usage:
>>>v = memoryview(bytearray("abcefg", 'utf-8'))
>>> print(v[1])
98
>>> print(v[-1])
103
>>> print(v[1:4])
<memory at 0x10f543a08>
>>> print(v[1:4].tobytes())
b'bce'
>>>