Reliable means in site.py to reinitialize sys.path?
1 Sep 2012 1 Sep '12
Does site.py provide a reliable means to reinitialize sys.path of a running process?
I see that Python 2.7 added site.getsitepackages() which gives the paths needed to reinitialize explicitly, but it appears that virtualenv's site.py does not include this change. https://github.com/pypa/virtualenv/blob/5b904f88583d40954701c5471527fc07c7ae...
To give some context, I'm interested in code reloading inside virtualenvs on production systems where I would like to reduce downtime to 0. Packages installed as non-zip eggs are added to a .pth file, and attempts to reload(module) or even __import__ in a child process do not get the new code since sys.path is still pointing at the old paths given at the time the .pth file was read.
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