parameters: (target_dir, source_dir, dll_pattern)
docstring: Copy both the msvcp and vccorlib runtime DLLs, only if the target doesn't
    exist, but the target directory does exist.
docstring_summary: Copy both the msvcp and vccorlib runtime DLLs, only if the target doesn't
    exist, but the target directory does exist.
docstring_tokens: Copy both the msvcp and vccorlib runtime DLLs only if the target doesn t exist but the target directory does exist .
function: def _CopyRuntime2015(target_dir, source_dir, dll_pattern):
    """Copy both the msvcp and vccorlib runtime DLLs, only if the target doesn't
    exist, but the target directory does exist."""
    for file_part in ('msvcp', 'vccorlib'):
      dll = dll_pattern % file_part
      target = os.path.join(target_dir, dll)
      source = os.path.join(source_dir, dll)
      _CopyRuntimeImpl(target, source)
function_tokens: def _CopyRuntime2015 ( target_dir , source_dir , dll_pattern ) : for file_part in ( 'msvcp' , 'vccorlib' ) : dll = dll_pattern % file_part target = os . path . join ( target_dir , dll ) source = os . path . join ( source_dir , dll ) _CopyRuntimeImpl ( target , source )