newobject
base object defines fallback Py2-compatible special methodspast.builtins
module improvedsurrogateescape
error handlernewlist
typelistvalues
and listitems
future.standard_library.*
-> future.backports
http.server
and urllib
modulesPython 2 draws a distinction between bound and unbound methods, whereas
in Python 3 this distinction is gone: unbound methods have been removed
from the language. To bind a method to a class compatibly across Python
3 and Python 2, you can use the bind_method()
helper function:
from future.utils import bind_method
class Greeter(object):
pass
def greet(self, message):
print(message)
bind_method(Greeter, 'greet', greet)
g = Greeter()
g.greet('Hi!')
On Python 3, calling bind_method(cls, name, func)
is equivalent to
calling setattr(cls, name, func)
. On Python 2 it is equivalent to:
import types
setattr(cls, name, types.MethodType(func, None, cls))