Adding external environment

Hi,

I am new and I can not manage with external enviroment. I need to change some parameters inside the code and then compile this chenged code.

I have 'ready to use' scons.py, SConstruct and different files.

If I just run scons I will obtain:

'
scons: warning: No installed VCs
File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 20, in <module>

scons: warning: No version of Visual Studio compiler found - C/C++ compilers most likely not set correctly
File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 20, in <module>

scons: warning: No installed VCs
File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 548, in <module>

scons: warning: No version of Visual Studio compiler found - C/C++ compilers most likely not set correctly
File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 548, in <module>
scons: done reading SConscript files.
scons: Building targets ...
scons: `.' is up to date.
scons: done building targets.
'
So I put into SConstruct:

import os
env = Environment(ENV = {'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\devenv' : os.environ['C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\devenv']})

but still it do not see Microsoft Visual Studio and I otained:

scons: warning: No installed VCs
File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 20, in <module>

scons: warning: No version of Visual Studio compiler found - C/C++ compilers most likely not set correctly
File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 20, in <module>
KeyError: 'C:\\PROGRAM FILES (X86)\\MICROSOFT VISUAL STUDIO\x817\\COMMUNITY\\COMMON7\\IDE\\DEVENV':
  File "C:\Users\48693\Desktop\TRACE-V51262-Source\TRACE-V51262-Source\Source\SConstruct", line 549:
    env = Environment(ENV = {'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\devenv' : os.environ['C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\devenv']})
  File "C:\Python27\lib\os.py", line 425:
    return self.data[key.upper()]

I have python 2.7 and Visual Studio Community 2017.

All best,

Tomasz Hanusek

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