[Scons-users] Python 2.5 vs. Python 2.7

[Russel Winder]

Did anyone get back to you on this?

On Tue, 2015-07-28 at 21:07 +0000, Rob Boehne wrote:
> Scons users,
> 
> I have inherited a large and old SCons build that is virtualenv'd to
> use Python 2.5 and scons 0.97.
> I'm *trying* to get it to work in both python 2.5 and 2.7 before
> updating the version of scons (and other tools) that it uses.
> Seems trivial, but alas.
> The snippet below works in Python 2.5, but throws an error in Python
> 2.7 on the very last line:
> 
> # Exclude doclet into Tools jar
> # See http://java.sun.com/j2se/javadoc/excludedoclet/docs/excludedocl
> et.html for documentation on this
> docletenv = env.Clone(JAVACFLAGS='-classpath
> "$JDKROOT/lib/tools.jar"')
> excludejava = docletenv.Java('$BUILDDIR/excludedoclet/classes',
> '#Tools/excludedoclet/src')
> env['EXCLUDEDOCLET'] = docletenv.Jar('$BUILDDIR/Tools.jar',
> excludejava, JARCHDIR=excludejava[0].dir.path)
> 
> 
> > scons
> scons: Reading SConscript files ...
> scons: Reading SConscript files ...
> 
> scons: *** attempted to add a non-Node as source of build\win-x86
> -32\Debug\Tools.jar:
>         ['build\\win-x86
> -32\\Debug\\excludedoclet\\classes\\ExcludeDoclet.class'] is a <class
> 'SCons.Node.NodeList'>, not a Node
> File "C:\Users\robb\Development\apdfl-win\DLE\SConstruct", line 1753,
> in <module>
> Build completed with status 2
> 
> The difference is that the second line produces object "excludejava"
> as a UserList in Python 2.5, and produces a NodeList in python 2.7,
> both of length 1.
> 
> What would be the safest, most canonical way to rewrite these three
> lines to make it happy with both interpreters?
> 
> Thanks,
> 
> Robert Boehne
> SCons novice
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-- 
Russel.
=============================================================================
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder at ekiga.net
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel at winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder

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