How to Resolve the TypeError: \'str\' does not support the buffer interface when using gzip.open in Python?

TypeError: 'str' does not support the buffer interface

Question:

When attempting to compress a string using Python's gzip.open function, an error is thrown:

TypeError: 'str' does not support the buffer interface

How can this issue be resolved?

Answer:

Python 3 Upgrade: In Python 3, strings are Unicode objects and do not have a buffer interface. To solve the issue, the string must be converted to bytes before writing to the outfile:

plaintext = input("Please enter the text you want to compress")
filename = input("Please enter the desired filename")
with gzip.open(filename + ".gz", "wb") as outfile:
    outfile.write(plaintext.encode())

Buffer Compatibility: To ensure compatibility with older versions of Python, specify the encoding explicitly:

outfile.write(plaintext.encode('utf-8'))

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