()
return None
Search for depot_tools and add it to sys.path.
Search for depot_tools and add it to sys.path.
Search for depot_tools and add it to sys . path .
def add_depot_tools_to_path():
  """Search for depot_tools and add it to sys.path."""
  # First look if depot_tools is already in PYTHONPATH.
  for i in sys.path:
    if i.rstrip(os.sep).endswith('depot_tools'):
      if directory_really_is_depot_tools(i):
        return i

  # Then look if depot_tools is in PATH, common case.
  for i in os.environ['PATH'].split(os.pathsep):
    if i.rstrip(os.sep).endswith('depot_tools'):
      if directory_really_is_depot_tools(i):
        sys.path.insert(0, i.rstrip(os.sep))
        return i
  # Rare case, it's not even in PATH, look upward up to root.
  root_dir = os.path.dirname(os.path.abspath(__file__))
  previous_dir = os.path.abspath(__file__)
  while root_dir and root_dir != previous_dir:
    if directory_really_is_depot_tools(os.path.join(root_dir, 'depot_tools')):
      i = os.path.join(root_dir, 'depot_tools')
      sys.path.insert(0, i)
      return i
    previous_dir = root_dir
    root_dir = os.path.dirname(root_dir)
  print('Failed to find depot_tools', file=sys.stderr)
  return None
def add_depot_tools_to_path ( ) : # First look if depot_tools is already in PYTHONPATH. for i in sys . path : if i . rstrip ( os . sep ) . endswith ( 'depot_tools' ) : if directory_really_is_depot_tools ( i ) : return i # Then look if depot_tools is in PATH, common case. for i in os . environ [ 'PATH' ] . split ( os . pathsep ) : if i . rstrip ( os . sep ) . endswith ( 'depot_tools' ) : if directory_really_is_depot_tools ( i ) : sys . path . insert ( 0 , i . rstrip ( os . sep ) ) return i # Rare case, it's not even in PATH, look upward up to root. root_dir = os . path . dirname ( os . path . abspath ( __file__ ) ) previous_dir = os . path . abspath ( __file__ ) while root_dir and root_dir != previous_dir : if directory_really_is_depot_tools ( os . path . join ( root_dir , 'depot_tools' ) ) : i = os . path . join ( root_dir , 'depot_tools' ) sys . path . insert ( 0 , i ) return i previous_dir = root_dir root_dir = os . path . dirname ( root_dir ) print ( 'Failed to find depot_tools' , file = sys . stderr ) return None