[Scons-users] Adding my tools to the site specific directory

[Gary Oberbrunner]

It loads the tools, in the sense that you can then add them to any env
you want: you can do tools=['default', 'my_tool'].  It does not
automatically add tools to the default environment.

On Fri, Oct 31, 2014 at 11:27 PM, William Blevins <wblevins001 at gmail.com> wrote:
> Pedro,
>
> The last time I used "site_scons/site_tools" for custom scanner/emitters in
> SCons 2.3.0 on RHEL5 under the python 2.4, and it worked as expected.
>
> Going out on a limb here, has someone add "--no-site-dir" to your
> SCONSFLAGS?
>
> Other than that, I cannot think of anything ;(
>
> V/R,
> William
>
> On Tue, Oct 28, 2014 at 10:24 AM, Pedro Inácio <pedromiragaia at gmail.com>
> wrote:
>>
>> Hi,
>>
>> I am trying to add my custom tools to the site specific directories so
>> that SCons automatically loads them into the default environment.
>> It does not seem to work for me.
>> What am I doing wrong?
>>
>> Here is a minimal example,
>>
>> $ scons --version
>> SCons by Steven Knight et al.:
>>     script: v2.3.0, 2013/03/03 09:48:35, by garyo on reepicheep
>>     engine: v2.3.0, 2013/03/03 09:48:35, by garyo on reepicheep
>>     engine path:
>> ['/home/pmginacio/lib/python/scons/scons-local-2.3.0/SCons']
>> Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
>> 2011, 2012, 2013 The SCons Foundatio
>>
>> $ cat site_scons/site_tools/my_tool.py
>> """SCons.Tool.formations
>>
>> Tool-specific initialization for my_tool.
>>
>> There normally shouldn't be any need to import this module directly.
>> It will usually be imported through the generic SCons.Tool.Tool()
>> selection method.
>> """
>>
>> import SCons
>>
>> def foo(target, source, env):
>>     print "Hello World"
>>
>> def generate(env):
>>     MyTask=SCons.Builder.Builder(action=foo)
>>
>>     # Add the builders to the Environment
>>     env['BUILDERS']['MyTask'] = MyTask
>>
>> def exists(env):
>>     return 1
>>
>> If I explicitly request my tool to be loaded it works fine:
>> $ cat test.succeeds.scons
>> env=Environment(tools=['my_tool'], toolpath=['site_scons/site_tools'])
>>
>> nothing=env.Value('')
>> env.MyTask(target='a',source=nothing)
>>
>> $ scons -f test.succeeds.scons
>> scons: Reading SConscript files ...
>> scons: done reading SConscript files.
>>
>> scons: warning: Support for pre-2.7.0 Python version (2.6.6) is
>> deprecated.
>>     If this will cause hardship, contact dev at scons.tigris.org.
>> File "/home/pmginacio/bin/org/scons", line 192, in <module>
>> scons: Building targets ...
>> foo(["a"], [''])
>> Hello World
>> scons: done building targets.
>>
>> However, according to the manual, SCons should automatically load tools
>> from the site_scons/site_tools directory.
>> In my case, this is not happening:
>> $ cat test.fails.scons
>> env=Environment()
>>
>> nothing=env.Value('')
>> env.MyTask(target='a',source=nothing)
>>
>> $ scons -f test.fails.scons
>> scons: Reading SConscript files ...
>> AttributeError: 'SConsEnvironment' object has no attribute 'MyTask':
>>   File "test.fails.scons", line 10:
>>     env.MyTask(target='a',source=nothing)
>>
>> Could someone point out what is going on?
>>
>> Regards,
>> Pedro Inacio
>>
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>>
>
>
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-- 
Gary