Function safecharencode

lib/utils/safe2bin.py:42–72

Returns safe representation of a given basestring value >>> safecharencode(u'test123') == u'test123' True >>> safecharencode(u'test\x01\x02\xaf') == u'test\\\\x01\\\\x02\\xaf' True

(value)

SLASH_MARKER = "__SLASH__"

def safecharencode(value):
    """
    Returns safe representation of a given basestring value

    >>> safecharencode(u'test123') == u'test123'
    True
    >>> safecharencode(u'test\x01\x02\xaf') == u'test\\\\x01\\\\x02\\xaf'
    True
    """

    retVal = value

    if isinstance(value, string_types):
        if any(_ not in SAFE_CHARS for _ in value):
            retVal = retVal.replace(HEX_ENCODED_PREFIX, HEX_ENCODED_PREFIX_MARKER)
            retVal = retVal.replace('\\', SLASH_MARKER)

            for char in SAFE_ENCODE_SLASH_REPLACEMENTS:
                retVal = retVal.replace(char, repr(char).strip('\''))

            for char in set(retVal):
                if not (char in string.printable or isinstance(value, text_type) and ord(char) >= 160):
                    retVal = retVal.replace(char, '\\x%02x' % ord(char))

            retVal = retVal.replace(SLASH_MARKER, "\\\\")
            retVal = retVal.replace(HEX_ENCODED_PREFIX_MARKER, HEX_ENCODED_PREFIX)
    elif isinstance(value, list):
        for i in xrange(len(value)):
            retVal[i] = safecharencode(value[i])

    return retVal

def safechardecode(value, binary=False):
    """