def op_first(x, y):
try:
method = getattr(y, rmethod)
except AttributeError:
raise_unordered(op, args=(x, y))
else:
return method(x)
def op_first(x, y):
try:
method = getattr(y, rmethod)
except AttributeError:
raise_unordered(op, args=(x, y))
else:
return method(x)
def op(x, y):
out = getattr(x, method, lambda y: NotImplemented)(y)
if out is NotImplemented:
try:
return getattr(y, rmethod)(x)
except AttributeError:
raise_unordered(op, args=(x, y))
raise_no_methods(op, args=(x, y))
def op(x, y):
out = getattr(x, method, lambda y: NotImplemented)(y)
if out is NotImplemented:
try:
return getattr(y, rmethod)(x)
except AttributeError:
raise_unordered(op, args=(x, y))
raise_no_methods(op, args=(x, y))
def gt(x, y):
# Python 2 may implement relations using the __cmp__ method. This is true
# for builtins, for instance. We have to check all failure points to see
# if a __cmp__ function is implemented.
try:
out = x.__gt__(y)
except AttributeError:
if hasattr(x, "__cmp__"):
return x.__cmp__(y) == 1
raise RuntimeError("TotalOrdered object does not implement a __gt__ relation")
if out is NotImplemented:
try:
out = y.__lt__(x)
except AttributeError:
if hasattr(x, "__cmp__"):
return y.__cmp__(x) == -1
out = NotImplemented
if out is NotImplemented:
raise_unordered(x, y)
return out
def gt(x, y):
# Python 2 may implement relations using the __cmp__ method. This is true
# for builtins, for instance. We have to check all failure points to see
# if a __cmp__ function is implemented.
try:
out = x.__gt__(y)
except AttributeError:
if hasattr(x, '__cmp__'):
return x.__cmp__(y) == 1
raise RuntimeError(
'TotalOrdered object does not implement a __gt__ relation')
if out is NotImplemented:
try:
out = y.__lt__(x)
except AttributeError:
if hasattr(x, '__cmp__'):
return y.__cmp__(x) == -1
out = NotImplemented
if out is NotImplemented:
raise_unordered(x, y)
return out
def op_second(x, y):
out = getattr(x, method, lambda y: NotImplemented)(y)
if out is NotImplemented:
raise_unordered(x, y)
return out
def op_second(x, y):
out = getattr(x, method, lambda y: NotImplemented)(y)
if out is NotImplemented:
raise_unordered(x, y)
return out
