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))
