[Python-Dev] Install-on-first-use vs. optional extensions

[Moore, Paul]

From: "Martin v. Löwis"
> 3. Provide another binary that is the "extension server", and
>    install that independently of python.exe, and pythonw.exe.
>    In CVS, I have implemented this approach to see whether it
>    works (it does), and called this binary "launcher.exe". It
>    is a Windows app which supports a -console argument which also
>    makes it a console app. This is the the binary that gets
>    associated with all four extensions, for the "open" verb.
>
> Currently, I'm in favour of using option 3, but I'd like to hear
> whether people would prefer something else instead.

With option (3), what happens if you run "launcher -console" from a
command prompt? Does it produce output in the same console window,
or does it launch a new console?

The reason I ask is that cmd.exe uses the association of the .py
extension to treat .py files as executable. If the association is
to a Windows program, cmd.exe will not wait for the command to
finish, but will return a prompt immediately, and the command
output will appear in a separate console.

If this is the case, I'm -1 on option (3).

If it's not, I'd like to see how you coded console.exe, as I've
often needed this sort of behaviour, and never been able to achieve
it correctly!

Paul.


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