#18115: Warn that repeated "setup.py install" without removal causes problems
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Reporter: carljm | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: Documentation | Version: 1.4
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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If you repeatedly install newer versions of Django (or any other Python
project) using "python setup.py install", without removing the previously-
installed version, any files removed in the newer version will never be
removed from your site-packages. This can potentially cause a variety of
problems, including imports continuing to "work" (with outdated code) that
ought to fail, and most visibly in Django 1.4, extraneous files in the
startproject template.
The installation instructions ought to include a clear warning against
this. Currently there's a bit of a warning at the end of
[https://docs.djangoproject.com/en/dev/topics/install/#installing-an-
official-release-manually this section], but it's not as clear as it could
be about the specific risk of repeated "setup.py install", and it's in the
section about installing using a pth file or symbolic link, which is a
different thing entirely.
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Ticket URL: <https://code.djangoproject.com/ticket/18115>
Django <https://code.djangoproject.com/>
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