virtualenv cloning script.
[](https://travis-ci.org/edwardgeorge/virtualenv-clone)
A script for cloning a non-relocatable virtualenv.
Virtualenv provides a way to make virtualenv's relocatable which could then be
copied as we wanted. However making a virtualenv relocatable this way breaks
the no-site-packages isolation of the virtualenv as well as other aspects that
come with relative paths and `/usr/bin/env` shebangs that may be undesirable.
Also, the .pth and .egg-link rewriting doesn't seem to work as intended. This
attempts to overcome these issues and provide a way to easily clone an
existing virtualenv.
It performs the following:
- copies `sys.argv[1]` dir to `sys.argv[2]`
- updates the hardcoded `VIRTUAL_ENV` variable in the activate script to the
new repo location. (`--relocatable` doesn't touch this)
- updates the shebangs of the various scripts in bin to the new Python if
they pointed to the old Python. (version numbering is retained.)
it can also change `/usr/bin/env python` shebangs to be absolute too,
though this functionality is not exposed at present.
- checks `sys.path` of the cloned virtualenv and if any of the paths are from
the old environment it finds any `.pth` or `.egg` link files within sys.path
located in the new environment and makes sure any absolute paths to the
old environment are updated to the new environment.
- finally it double checks `sys.path` again and will fail if there are still
paths from the old environment present.
NOTE: This script requires Python 2.7 or 3.4+
Raw data
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