GGDump is a tool for listing and extracting files from data archive files of the game Thimbleweed Park, which you should totally buy right now. (Steam, GOG)
You can install ggdump directly from GitHub:
pip install https://github.com/mstr-/twp-ggdump/archive/master.zip
usage: python -m ggdump [-h] [-w] [-v] ggpack_file search_pattern
positional arguments:
ggpack_file ggpack archive file path
search_pattern file search pattern, wildcard patterns should be "quoted".
optional arguments:
-h, --help show this help message and exit
-w write the files that match the pattern (otherwise only list
files)
-v, --verbose output some debug information
Example: python -m ggdump ThimbleweedPark.ggpack1 "*Sheet.png"