parameters: (self, pattern)
docstring: @type  pattern: str
          @param pattern: Byte string to search for.
function: def __init__(self, pattern):
          """
          @type  pattern: str
          @param pattern: Byte string to search for.
          """
          self.pattern = str(pattern)
          self.length  = len(pattern)
function_tokens: def __init__ ( self , pattern ) : self . pattern = str ( pattern ) self . length = len ( pattern )