parameters: (physical_line, max_line_length, multiline, noqa)
docstring: r"""Limit all lines to a maximum of 79 characters.
  
      There are still many devices around that are limited to 80 character
      lines; plus, limiting windows to 80 characters makes it possible to have
      several windows side-by-side.  The default wrapping on such devices looks
      ugly.  Therefore, please limit all lines to a maximum of 79 characters.
      For flowing long blocks of text (docstrings or comments), limiting the
      length to 72 characters is recommended.
  
      Reports error E501.
docstring_summary: r"""Limit all lines to a maximum of 79 characters.
docstring_tokens: r Limit all lines to a maximum of 79 characters .
function: def maximum_line_length(physical_line, max_line_length, multiline, noqa):
      r"""Limit all lines to a maximum of 79 characters.
  
      There are still many devices around that are limited to 80 character
      lines; plus, limiting windows to 80 characters makes it possible to have
      several windows side-by-side.  The default wrapping on such devices looks
      ugly.  Therefore, please limit all lines to a maximum of 79 characters.
      For flowing long blocks of text (docstrings or comments), limiting the
      length to 72 characters is recommended.
  
      Reports error E501.
      """
      line = physical_line.rstrip()
      length = len(line)
      if length > max_line_length and not noqa:
          # Special case for long URLs in multi-line docstrings or comments,
          # but still report the error when the 72 first chars are whitespaces.
          chunks = line.split()
          if ((len(chunks) == 1 and multiline) or
              (len(chunks) == 2 and chunks[0] == '#')) and \
                  len(line) - len(chunks[-1]) < max_line_length - 7:
              return
          if hasattr(line, 'decode'):   # Python 2
              # The line could contain multi-byte characters
              try:
                  length = len(line.decode('utf-8'))
              except UnicodeError:
                  pass
          if length > max_line_length:
              return (max_line_length, "E501 line too long "
                      "(%d > %d characters)" % (length, max_line_length))
function_tokens: def maximum_line_length ( physical_line , max_line_length , multiline , noqa ) : line = physical_line . rstrip ( ) length = len ( line ) if length > max_line_length and not noqa : # Special case for long URLs in multi-line docstrings or comments, # but still report the error when the 72 first chars are whitespaces. chunks = line . split ( ) if ( ( len ( chunks ) == 1 and multiline ) or ( len ( chunks ) == 2 and chunks [ 0 ] == '#' ) ) and len ( line ) - len ( chunks [ - 1 ] ) < max_line_length - 7 : return if hasattr ( line , 'decode' ) : # Python 2 # The line could contain multi-byte characters try : length = len ( line . decode ( 'utf-8' ) ) except UnicodeError : pass if length > max_line_length : return ( max_line_length , "E501 line too long " "(%d > %d characters)" % ( length , max_line_length ) )