def __new__(cls, x=0, base=10): """ From the Py3 int docstring: | int(x=0) -> integer | int(x, base=10) -> integer | | Convert a number or string to an integer, or return 0 if no arguments | are given. If x is a number, return x.__int__(). For floating point | numbers, this truncates towards zero. | | If x is not a number or if base is given, then x must be a string, | bytes, or bytearray instance representing an integer literal in the | given base. The literal can be preceded by '+' or '-' and be surrounded | by whitespace. The base defaults to 10. Valid bases are 0 and 2-36. | Base 0 means to interpret the base from the string as an integer literal. | >>> int('0b100', base=0) | 4 """ try: val = x.__int__() except AttributeError: val = x else: if not isint(val): raise TypeError('__int__ returned non-int ({0})'.format(type(val))) if base != 10: # Explicit base if not (istext(val) or isbytes(val) or isinstance(val, bytearray)): raise TypeError("int() can't convert non-string with explicit base") try: return super(newint, cls).__new__(cls, val, base) except TypeError: return super(newint, cls).__new__(cls, newbytes(val), base) # After here, base is 10 try: return super(newint, cls).__new__(cls, val) except TypeError: # Py2 long doesn't handle bytearray input with an explicit base, so # handle this here. # Py3: int(bytearray(b'10'), 2) == 2 # Py2: int(bytearray(b'10'), 2) == 2 raises TypeError # Py2: long(bytearray(b'10'), 2) == 2 raises TypeError try: return super(newint, cls).__new__(cls, newbytes(val)) except: raise TypeError("newint argument must be a string or a number, not '{0}'".format( type(val)))
def encode(self, encoding='utf-8', errors='strict'): """ Returns bytes Encode S using the codec registered for encoding. Default encoding is 'utf-8'. errors may be given to set a different error handling scheme. Default is 'strict' meaning that encoding errors raise a UnicodeEncodeError. Other possible values are 'ignore', 'replace' and 'xmlcharrefreplace' as well as any other name registered with codecs.register_error that can handle UnicodeEncodeErrors. """ from future.builtins.types.newbytes import newbytes # Py2 unicode.encode() takes encoding and errors as optional parameter, # not keyword arguments as in Python 3 str. return newbytes(super(newstr, self).encode(encoding, errors))