anchor.diff:  
   rem unittests with python 3.4
   
  -IF EXIST c:\Python34vir GOTO next:
  +IF NOT EXIST c:\Python34 GOTO checkinstall64:
  +
  +:checkinstall:
  +IF EXIST c:\Python34vir GOTO nexta:
   mkdir c:\Python34vir
   
  -:next:
  -IF EXIST c:\Python34vir\install GOTO fullsetup:
  +:nexta:
  +IF EXIST c:\Python34vir\install GOTO fullsetupa:
   c:\Python34\Scripts\virtualenv c:\Python34vir\install --system-site-packages
   if %errorlevel% neq 0 exit /b %errorlevel%
   
  -:fullsetup:
  -
  +:fullsetupa:
   echo #######################################################
   c:\Python34vir\install\Scripts\python -u setup.py install
   if %errorlevel% neq 0 exit /b %errorlevel%
   echo #######################################################
   
  +
  +:checkinstall64:
  +IF EXIST c:\Python34_64vir GOTO nextb:
  +mkdir c:\Python34_64vir
  +
  +:nextb:
  +IF EXIST c:\Python34_64vir\install GOTO fullsetupb:
  +c:\Python34\Scripts\virtualenv c:\Python34_64vir\install --system-site-packages
  +if %errorlevel% neq 0 exit /b %errorlevel%
  +
  +:fullsetupb:
  +echo #######################################################
  +c:\Python34_64vir\install\Scripts\python -u setup.py install
  +if %errorlevel% neq 0 exit /b %errorlevel%
  +echo #######################################################
  +
  +:utpy34:
  +IF NOT EXIST c:\Python34 GOTO utpy33_64:
   set pythonexe="c:\Python34\python"
   %pythonexe% -u setup.py clean_space
   if %errorlevel% neq 0 exit /b %errorlevel%
  
positive.code: if %errorlevel% neq 0 exit /b %errorlevel%
  echo #######################################################
  
  rem python 3.4
  
  set pythonexe="c:\Python34_x64\python"
  %pythonexe% clean_pyd.py
  %pythonexe% setup.py build bdist_wininst --plat-name=win-amd64
  
negative.code: if %errorlevel% neq 0 exit /b %errorlevel%
  echo #######################################################
  
  :utpy33_64:
  IF NOT EXIST c:\Python33_x64 GOTO utpy33:
  set pythonexe="c:\Python33_x64\python"
  %pythonexe% clean_pyd.py
  %pythonexe% setup.py build bdist_wininst --plat-name=win-amd64
  if %errorlevel% neq 0 exit /b %errorlevel%
  echo #######################################################
  
  :utpy33:
  IF NOT EXIST c:\Python33 GOTO utpy34_64:
  set pythonexe="c:\Python33\python"
  %pythonexe% clean_pyd.py
  %pythonexe% setup.py sdist --formats=gztar,zip --verbose
  