Package Python applications in a virtualenv for deployment
Project description
Eggsac: Package Python applications in a virtualenv for deployment.
Eggsac takes a Python application, installs it and all of its dependencies into a relocatable virtualenv, and wraps it all up in a ready-to-run tarball, zipfile, or Debian package, which can be deployed on other machines.
Motivation
Installing Python applications can be slow. Compiling Python modules into bytecode, compiling C extensions into shared libraries, building eggs, downloading a cascade of dependencies from the Python Package Index (assuming PyPI is available)—all of this can take several minutes for a large application. Even if you have an internal PyPI mirror and use binary eggs for the dependencies, it can still take a long time to roll the application out to a server farm.
Eggsac does all of this effort as part of your build process, leaving you with a single ready-to-run file to deploy to your servers.
Caveat: your build machine has to be running the same operating system as your application servers, but this is a common requirement.
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