Function get_fws

Lib/email/_header_value_parser.py:1046–1056

FWS = 1*WSP This isn't the RFC definition. We're using fws to represent tokens where folding can be done, but when we are parsing the *un*folding has already been done so we don't need to watch out for CRLF.

(value)

    return ''.join(vchars), ''.join([fragment[pos:]] + remainder), had_qp

def get_fws(value):
    """FWS = 1*WSP

    This isn't the RFC definition.  We're using fws to represent tokens where
    folding can be done, but when we are parsing the *un*folding has already
    been done so we don't need to watch out for CRLF.

    """
    newvalue = value.lstrip()
    fws = WhiteSpaceTerminal(value[:len(value)-len(newvalue)], 'fws')
    return fws, newvalue

def get_encoded_word(value, terminal_type='vtext'):
    """ encoded-word = "=?" charset "?" encoding "?" encoded-text "?="