[Scons-users] Should PseudoBuilder's get access to OverrideEnvironment values if called via one

[Gary Oberbrunner]

Shouldn't that say oenv.install_in_bin_dir(...)?

--Gary

On Thu, Apr 25, 2019, 6:06 PM Bill Deegan <bill at baddogconsulting.com> wrote:

> Currently they don't
>
> See sample git repo:
>
> https://github.com/bdbaddog/Scons-psuedobuilder_no_override_access/tree/master
>
> SConstruct:
>
> DefaultEnvironment(tools=[])
> env=Environment(BIN='mybin',LOCALBIN='localbin')
>
> def install_in_bin_dirs(env, source):
>     """Install source in both bin dirs"""
>     i1 = env.Install("$BIN", source)
>     i2 = env.Install("$LOCALBIN", source)
>     print("TEST_VAR=%s"%env['TEST_VAR'])
>     return [i1[0], i2[0]] # Return a list, like a normal builder
>
> env.AddMethod(install_in_bin_dirs, "InstallInBinDirs")
>
> env.InstallInBinDirs(env.Program('main.c')) # installs hello in both bin dirs
>
> oenv=OverrideEnvironment(env,TEST_VAR='abc')
> print("Override id:%s"%id(oenv))
>
>
> Yields:
> $ python ~/devel/scons/git/as_scons/src/script/scons.py
> scons: Reading SConscript files ...
> KeyError: 'TEST_VAR':
>   File "/Users/bdbaddog/devel/scons/bugs/Scons-psuedobuilder_no_override_access/SConstruct", line 13:
>     env.InstallInBinDirs(env.Program('main.c')) # installs hello in both bin dirs
>   File "/Users/bdbaddog/devel/scons/git/as_scons/src/script/../engine/SCons/Environment.py", line 224:
>     return self.method(*nargs, **kwargs)
>   File "/Users/bdbaddog/devel/scons/bugs/Scons-psuedobuilder_no_override_access/SConstruct", line 8:
>     print("TEST_VAR=%s"%env['TEST_VAR'])
>   File "/Users/bdbaddog/devel/scons/git/as_scons/src/script/../engine/SCons/Environment.py", line 410:
>     return self._dict[key]
>
> This is because PsuedoBuilder's are wrapped with the Environment() they are added to.
>
> Via MethodWrapper()
>
> Which caused a couple hours of debugging to find today..
>
> Unless someone can propose a reasonable reason it shouldn't I'll file a github issue.
>
> -Bill
>
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