[Scons-users] help with deleting or cleaning files

[Damien Hocking]

Thanks Bill, I'll try this.

Damien

On 2020-09-27 4:55 p.m., Bill Deegan wrote:
> Clean() doesn't return a Node.
>
> From Manpage:
>
> This specifies a list of files or directories which should be removed 
> whenever the targets are specified with the|-c|command line option. 
> The specified targets may be a list or an individual target. Multiple 
> calls to*|Clean|*are legal, and create new targets or add files and 
> directories to the clean list for the specified targets.
>
> So debugclean and debuginstall1 will both be None.
>
> Clean just marks the file to be removed when you run `scons -c`
>
>
> This should do what you're looking for (minus dummy file creation...
> See gist:
> https://gist.github.com/bdbaddog/949eaa3c566cdb5a4d8c0fcb5e96b5e5
>
>
>
> On Sun, Sep 27, 2020 at 12:44 PM Mats Wichmann <mats at wichmann.us 
> <mailto:mats at wichmann.us>> wrote:
>
>     On 9/27/20 12:15 PM, Damien wrote:
>     > All,
>     >
>     > As part of our installers, we put a set of dlls (or so's) into a
>     > directory, to go into one of our products. Because of the way this
>     > product is shipped, the dlls go into a directory that's not debug or
>     > release, it just has the binaries. When we're doing debug builds and
>     > testing, the debug dlls go into that directory and when we're doing
>     > release testing, the release versions go in there. I'd like to
>     automate
>     > removing the debug dlls if we do a release build and vice versa,
>     right
>     > now we do that by hand, which is silly.
>     >
>     > I thought we could do this with env.Clean(...) but that appears
>     not to
>     > be the case. Here's a cut down example in an SConscript:
>     >
>     > dbgfilelist  [
>     >          'concrt140d.dll',
>     >          'msvcp140d.dll',
>     >          'vccorlib140d.dll',
>     >          'vcomp140.dll',
>     >          'vcruntime140d.dll'
>     >       ]
>     >
>     > relfilelist = [
>     >          'concrt140.dll',
>     >          'msvcp140.dll',
>     >          'vccorlib140.dll',
>     >          'vcomp140.dll',
>     >          'vcruntime140.dll'
>     >       ]
>     >
>     > if thisenv['BUILDTYPE'] == 'DEBUG':
>     >       thisenv['INSTALLDIR'] = thisenv['BINDIR'] +
>     > '/../../interfaces/binaries/x64'
>     >       releaseclean = thisenv.Clean(thisenv['INSTALLDIR'], [x for
>     x in
>     > relfilelist])
>     >       releaseinstall1 = thisenv.Install(thisenv['INSTALLDIR'],
>     > [os.path.join(thisenv['BINDIR'], x) for x in dbgfilelist])
>     >       Default(releaseclean + releaseinstall1)
>     > else:
>     >       thisenv['INSTALLDIR'] = thisenv['BINDIR'] +
>     > '/../../interfaces/binaries/x64'
>     >       debugclean = thisenv.Clean(thisenv['INSTALLDIR'], [x for x in
>     > dbgfilelist])
>     >       debuginstall1 = thisenv.Install(thisenv['INSTALLDIR'],
>     > [os.path.join(thisenv['BINDIR'], x) for x in relfilelist])
>     >       Default(debugclean + debuginstall1)
>     >
>     > When I try this, SCons says: TypeError: unsupported operand
>     type(s) for
>     > +: 'NoneType' and 'list': for the Default setup. I always
>     thought you
>     > could just add Actions but obviously I'm doing something wrong.
>
>     I'd take the message seriously: something is None when you're not
>     expecting it.   Tracing that down (some print statements, maybe)
>     should
>     help you figure out if you're accessing things that aren't defined for
>     the buildtype you're doing and that's why they're None, or whether
>     some
>     step got missed somewhere.
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