How to Resolve TypeError: \'str\' Does Not Support the Buffer Interface in Python 3 When Compressing Text?

TypeError: 'str' Does Not Support the Buffer Interface

Utilizing Python3, you may encounter this error due to the distinct handling of strings compared to Python2. To resolve this issue, you must encode the string into bytes.

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(bytes(plaintext, 'UTF-8'))

In Python3, strings are not identical to those in Python2, necessitating the use of the bytes() function. Additionally, consider avoiding variable names like "string" or "file" since they are already defined as functions or modules.

For comprehensive text compression, including non-ASCII characters, the code provided utilizes UTF-8 encoding to ensure the integrity of Polish letters.

plaintext = 'Polish text: ąćęłńóśźżĄĆĘŁŃÓŚŹŻ'
filename = 'foo.gz'
with gzip.open(filename, 'wb') as outfile:
    outfile.write(bytes(plaintext, 'UTF-8'))
with gzip.open(filename, 'r') as infile:
    outfile_content = infile.read().decode('UTF-8')
print(outfile_content)

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