I'm installing the openbabel package, and it can automatically generate the necessary Python libraries during compilation. This saves a good chunk of time, since installing from source via pip takes a few minutes, and that time can be rolled into the initial compilation. I've listed it as a requirement in my requirements.txt file, but when I go to install (pip install -r requirements.txt), it attempts to reinstall the openbabel Python library. When I run pip show or pip list, openbabel doesn't show up. Is there a way to manually mark a package as installed so pip thinks it's installed, even if it can't find the package? Or is there a file I can create that pip will use that will tell it openbabel is installed? Continue reading...