anchor.diff:  
   
   REM Set environment variables.
  -SET "TABPY_ROOT=%CD%"
  -SET "INSTALL_LOG=%TABPY_ROOT%\tabpy-server\install.log"
  +SET TABPY_ROOT="%CD%"
  +SET INSTALL_LOG=%TABPY_ROOT%\tabpy-server\install.log
   SET SAVE_PYTHONPATH=%PYTHONPATH%
   
   
  
positive.code: REM Install requirements using Python setup tools.
  ECHO Installing any missing dependencies...
  
  CD "%TABPY_ROOT%\tabpy-server"
  ECHO Installing tabpy-server dependencies...>"%INSTALL_LOG%"	
  python setup.py install>>"%INSTALL_LOG%" 2>&1
  
  CD "%TABPY_ROOT%\tabpy-tools"
  ECHO: >> "%INSTALL_LOG%"
  ECHO Installing tabpy-tools dependencies...>>"%INSTALL_LOG%"
  python setup.py install>>"%INSTALL_LOG%" 2>&1
  
  CD "%TABPY_ROOT%"
  SET INSTALL_LOG_MESSAGE=    Check %INSTALL_LOG% for details.
  IF %ERRORLEVEL% NEQ 0 (
      CD "%TABPY_ROOT%"
      ECHO     failed
      ECHO %INSTALL_LOG_MESSAGE%
      SET RET=1
  
negative.code: 
  :END
      SET PYTHONPATH=%SAVE_PYTHONPATH%
      CD %TABPY_ROOT%
      EXIT /B %RET%
      ENDLOCAL
  