%general-entities; ]> packaging The Packaging library provides utilities that implement the interoperability specifications which have clearly one correct behaviour or benefit greatly from having a single shared implementation. &lfs113_checked; Package Information Download (HTTP): Download (FTP): Download MD5 sum: &packaging-md5sum; Download size: &packaging-size; Estimated disk space required: &packaging-buildsize; Estimated build time: &packaging-time; Packaging Dependencies Optional (for testing) and pretend Build the module: pip3 wheel -w dist --no-build-isolation --no-deps $PWD Now, as the root user: pip3 install --no-index --find-links dist --no-cache-dir --no-user packaging Assuming is installed, but the other optional dependency is not, the installation can be tested with the following commands: python3 -m venv --system-site-packages testenv && source testenv/bin/activate && pip3 install pretend && python3 /usr/bin/pytest deactivate Installed Programs Installed Libraries Installed Directories None None /usr/lib/python&python3-majorver;/site-packages/packaging and /usr/lib/python&python3-majorver;/site-packages/packaging-&packaging-version;.dist-info