How Do I Decode Bytes to a String in Python 3?

Decoding Bytes to String in Python 3

In Python, bytes objects represent binary data, while strings hold textual information. If you've acquired a bytes object from an external source, such as the standard output of a program, you may need to convert it to a string for processing or display.

In Python 3, you can utilize the decode() method to convert a bytes object into a string:

bytes_object = b'binary data'
string = bytes_object.decode("encoding")

Where "encoding" represents the encoding of the bytes object. For instance, if the data is encoded in UTF-8, you would use:

bytes_object.decode("utf-8")

Example:

Consider the following output from the ls command, captured as a bytes object:

>>> from subprocess import *
>>> stdout = Popen(['ls', '-l'], stdout=PIPE).communicate()[0]

To convert this bytes object to a printable string, we can use:

stdout_string = stdout.decode("utf-8")
print(stdout_string)

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