support new file formats, for example compression without password

[clach04]

Related #4 and #76

Allow compression (compress) and decompression (decompress) of compressed files (additional keywords due to stemming limitation with GitHub stemming search 2024-09-07).

Ideas

https://quixdb.github.io/squash-benchmark/#ratio-vs-decompression

Python libs built-in

• zip
• Z - zlib / Z / gzip compressed files #159
• ✅ gz - zlib / Z / gzip compressed files #159
• bz2
• lzma (py3 only, external 3rd party for py2?)
• tar (with and without compression)

Python libs third party

• 7z
• snappy
  • https://github.com/ethereum/py-snappy pure python, py3 only
  • https://github.com/cansjt/ctypes-snappy
• lz0
• lz4
• zstd https://github.com/facebook/zstd
• Blosc
• brotli https://github.com/google/brotli
• LZNT1 https://github.com/you0708/lznt1
• lzf
  • http://oldhome.schmorp.de/marc/liblzf.html
  • https://github.com/teepark/python-lzf
  • https://github.com/nemequ/liblzf
• SMAZ https://github.com/CordySmith/PySmaz
• lzjb, as used in ZFS https://github.com/unwind/python-lzjb pure python py3 and py3
• lz77, lz78, lzw https://github.com/biroeniko/lzw-compression py3
• xz https://github.com/Rogdham/python-xz pure python

[clach04]

Would want to refactor class EncryptedFile to have is_encrypted boolean set to true. Which would also alter:

puren_tonbo/puren_tonbo/__init__.py

Line 888 in 5ea50a4

def supported_filetypes_info(encrypted_only=False):

puren_tonbo/puren_tonbo/__init__.py

Line 890 in 5ea50a4

if encrypted_only and file_extension in RawFile.extensions: