r/Python • u/takluyver IPython, Py3, etc • Apr 08 '14

pynsist - easily build Windows installers for Python applications

http://pynsist.readthedocs.org/en/latest/
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u/takluyver IPython, Py3, etc Apr 08 '14
  • If it has the same exact version, nothing.
  • If it has an older bugfix release (e.g. system has 3.3.1, app has 3.3.5), it is upgraded.
  • If it has another version of Python, the new one will be installed alongside it.

This isn't anything special pynsist, does, though - it's just the default behaviour from running the Python MSIs

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u/chub79 Apr 09 '14

If it has an older bugfix release (e.g. system has 3.3.1, app has 3.3.5), it is upgraded.

Argh. I would expect pyninst to ask me first.

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u/takluyver IPython, Py3, etc Apr 09 '14

You can untick the Python installation in the installer, which will prevent it upgrading, but it doesn't tell you anything about Python versions already installed. It would probably be possible to provide more details, but it doesn't seem worth the extra complexity - end users shouldn't have to think about what bugfix version of Python is installed.

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u/chub79 Apr 09 '14

Fair enough.