Convert from ‘_Io.Bytesio’ to a Bytes-Like Object in Python

In Python, converting from _io.BytesIO to a bytes-like object involves handling binary data stored in a BytesIO object. This transformation is commonly needed when working with I/O operations, allowing seamless access to the raw byte representation contained within the BytesIO buffer. Various methods can be used to Convert From ‘_Io.Bytesio’ To A Bytes-Like Object In Python.

Convert from ‘_Io.Bytesio’ to a Bytes-Like Object in Python

Below are the possible approaches to convert from ‘_Io.Bytesio’ To A Bytes-Like Object In Python:

• Using read() method
• Using getvalue() method
• Using tobytes() method

Convert from ‘_Io.Bytesio’ to a Bytes-Like Object Using read() method

To convert from _io.BytesIO to a bytes-like object using the read() method, we can use the read() function on the _io.BytesIO object, retrieving the entire content as a bytes object. This method reads and returns the underlying byte data stored in the BytesIO buffer.

Python3

import io

def approach1Fn(bytes_io_object):
    return bytes_io_object.read()

bytes_io_object = io.BytesIO(b'Hello, GeeksforGeeks!')
result = approach1Fn(bytes_io_object)
print(type(bytes_io_object))
print(result)
print(type(result))

Output

<class '_io.BytesIO'>
b'Hello, GeeksforGeeks!'
<class 'bytes'>

Convert From ‘_Io.Bytesio’ To A Bytes-Like Object Using getvalue() method

To convert from _io.BytesIO to a bytes-like object using the getvalue() method, we can directly obtain the byte data stored in the BytesIO buffer. The getvalue() method returns the entire contents of the buffer as a bytes object, providing a convenient way to access the underlying binary data.

Python3

import io

def approach2Fn(bytes_io_object):
    return bytes_io_object.getvalue()

bytes_io_object = io.BytesIO(b'Hello, GeeksforGeeks!')
result = approach2Fn(bytes_io_object)
print(type(bytes_io_object))
print(result)
print(type(result))

Output

<class '_io.BytesIO'>
b'Hello, GeeksforGeeks!'
<class 'bytes'>

Convert From ‘_Io.Bytesio’ To A Bytes-Like Object Using tobytes() method

In this approach, the _Io.BytesIO object is converted to a bytes-like object using the getbuffer().tobytes() method sequence. The getbuffer() method returns a readable buffer, and tobytes() transforms it into a bytes object, providing direct access to the underlying binary data stored in the BytesIO buffer.

Python3

import io

def approach3Fn(bytes_io_object):
    return bytes_io_object.getbuffer().tobytes()

bytes_io_object = io.BytesIO(b'Hello, GeeksforGeeks!')
result = approach3Fn(bytes_io_object)
print(type(bytes_io_object))
print(result)
print(type(result))

Output

<class '_io.BytesIO'>
b'Hello, GeeksforGeeks!'
<class 'bytes'>