parameters: (v8_root, configuration=None)
docstring: Returns <v8_root>/<output_dir>/(Release|Debug|<other>).
  
    The configuration chosen is the one most recently generated/built, but can be
    overriden via the <configuration> parameter. Detects a custom output_dir
    specified by GYP_GENERATOR_FLAGS.
docstring_summary: Returns <v8_root>/<output_dir>/(Release|Debug|<other>).
docstring_tokens: Returns <v8_root > / <output_dir > / ( Release|Debug|<other > ) .
function: def GetNinjaOutputDirectory(v8_root, configuration=None):
    """Returns <v8_root>/<output_dir>/(Release|Debug|<other>).
  
    The configuration chosen is the one most recently generated/built, but can be
    overriden via the <configuration> parameter. Detects a custom output_dir
    specified by GYP_GENERATOR_FLAGS."""
  
    output_dirs = []
  
    generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '').split(' ')
    for flag in generator_flags:
      name_value = flag.split('=', 1)
      if (len(name_value) == 2 and name_value[0] == 'output_dir' and
          os.path.isdir(os.path.join(v8_root, name_value[1]))):
        output_dirs = [name_value[1]]
  
    if configuration:
      output_dir = 'out' if len(output_dirs) == 0 else output_dirs[-1]
      return os.path.join(os.path.join(v8_root, output_dir), configuration)
  
    if not output_dirs:
      for f in os.listdir(v8_root):
        if re.match(r'out(\b|_)', f):
          if os.path.isdir(os.path.join(v8_root, f)):
            output_dirs.append(f)
  
    def generate_paths():
      for out_dir in output_dirs:
        out_path = os.path.join(v8_root, out_dir)
        for config in os.listdir(out_path):
          path = os.path.join(out_path, config)
          if os.path.exists(os.path.join(path, 'build.ninja')):
            yield path
  
    def approx_directory_mtime(path):
      # This is a heuristic; don't recurse into subdirectories.
      paths = [path] + [os.path.join(path, f) for f in os.listdir(path)]
      return max(filter(None, [safe_mtime(p) for p in paths]))
  
    def safe_mtime(path):
      try:
        return os.path.getmtime(path)
      except OSError:
        return None
  
    try:
      return max(generate_paths(), key=approx_directory_mtime)
    except ValueError:
      raise RuntimeError('Unable to find a valid ninja output directory.')
function_tokens: def GetNinjaOutputDirectory ( v8_root , configuration = None ) : output_dirs = [ ] generator_flags = os . getenv ( 'GYP_GENERATOR_FLAGS' , '' ) . split ( ' ' ) for flag in generator_flags : name_value = flag . split ( '=' , 1 ) if ( len ( name_value ) == 2 and name_value [ 0 ] == 'output_dir' and os . path . isdir ( os . path . join ( v8_root , name_value [ 1 ] ) ) ) : output_dirs = [ name_value [ 1 ] ] if configuration : output_dir = 'out' if len ( output_dirs ) == 0 else output_dirs [ - 1 ] return os . path . join ( os . path . join ( v8_root , output_dir ) , configuration ) if not output_dirs : for f in os . listdir ( v8_root ) : if re . match ( r'out(\b|_)' , f ) : if os . path . isdir ( os . path . join ( v8_root , f ) ) : output_dirs . append ( f ) def generate_paths ( ) : for out_dir in output_dirs : out_path = os . path . join ( v8_root , out_dir ) for config in os . listdir ( out_path ) : path = os . path . join ( out_path , config ) if os . path . exists ( os . path . join ( path , 'build.ninja' ) ) : yield path def approx_directory_mtime ( path ) : # This is a heuristic; don't recurse into subdirectories. paths = [ path ] + [ os . path . join ( path , f ) for f in os . listdir ( path ) ] return max ( filter ( None , [ safe_mtime ( p ) for p in paths ] ) ) def safe_mtime ( path ) : try : return os . path . getmtime ( path ) except OSError : return None try : return max ( generate_paths ( ) , key = approx_directory_mtime ) except ValueError : raise RuntimeError ( 'Unable to find a valid ninja output directory.' )