[Python-checkins] r56637 - peps/trunk/pep-3141.txt

guido.van.rossum python-checkins at python.org
Tue Jul 31 23:14:19 CEST 2007


Author: guido.van.rossum
Date: Tue Jul 31 23:14:18 2007
New Revision: 56637

Modified:
   peps/trunk/pep-3141.txt
Log:
Insert some blank lines between methods (and remove a few between chapters).


Modified: peps/trunk/pep-3141.txt
==============================================================================
--- peps/trunk/pep-3141.txt	(original)
+++ peps/trunk/pep-3141.txt	Tue Jul 31 23:14:18 2007
@@ -83,6 +83,7 @@
         special knowledge about them, it should fall back to the
         builtin complex type as described below.
         """
+
         @abstractmethod
         def __complex__(self):
             """Return a builtin complex instance."""
@@ -92,6 +93,7 @@
         def real(self):
             """Retrieve the real component of this number, which should subclass Real."""
             raise NotImplementedError
+
         @abstractmethod
         @property
         def imag(self):
@@ -101,15 +103,19 @@
         @abstractmethod
         def __add__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __sub__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __neg__(self):
             raise NotImplementedError
+
         @abstractmethod
         def __mul__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __div__(self, other):
             raise NotImplementedError
@@ -127,6 +133,7 @@
         @abstractmethod
         def __eq__(self, other):
             raise NotImplementedError
+
         def __ne__(self, other):
             return not (self == other)
 
@@ -143,6 +150,7 @@
 
         Real also provides defaults for the derived operations.
         """
+
         @abstractmethod
 	def __float__(self):
 	    """Any Real can be converted to a native float object."""
@@ -156,10 +164,12 @@
         def __divmod__(self, other):
             """The pair (self // other, self % other)."""
             return (self // other, self % other)
+
         @abstractmethod
         def __floordiv__(self, other):
             """The floor() of self/other."""
             raise NotImplementedError
+
         @abstractmethod
         def __mod__(self, other):
             """."""
@@ -168,6 +178,7 @@
         @abstractmethod
         def __lt__(self, other):
             raise NotImplementedError
+
         def __le__(self, other): 
             # Assume that if other is Real, it defines an ordering
             # consistent with this class, or returns NotImplemented.
@@ -175,11 +186,14 @@
                 return not (other < self)
 
         # Concrete implementations of Complex abstract methods.
+
         def __complex__(self):
             return complex(float(self))
+
         @property
         def real(self):
             return self
+
         @property
         def imag(self):
             return 0
@@ -191,10 +205,12 @@
 
     class Rational(Real, Exact):
         """.numerator and .denominator should be in lowest terms."""
+
         @abstractmethod
         @property
         def numerator(self):
             raise NotImplementedError
+
         @abstractmethod
         @property
         def denominator(self):
@@ -209,6 +225,7 @@
 
     class Integral(Rational):
         """Integral adds a conversion to int and the bit-string operations."""
+
         @abstractmethod
         def __int__(self):
             raise NotImplementedError
@@ -216,32 +233,37 @@
         @abstractmethod
         def __lshift__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __rshift__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __and__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __xor__(self, other):
             raise NotImplementedError
+
         @abstractmethod
         def __or__(self, other):
             raise NotImplementedError
 
         # Concrete implementations of Rational and Real abstract methods.
+
         def __float__(self):
             return float(int(self))
+
         @property
         def numerator(self):
             return self
+
         @property
         def denominator(self):
             return 1
 
 
-
-
 Exact vs. Inexact Classes
 -------------------------
 
@@ -295,6 +317,7 @@
 __add__ and __radd__ should be defined as::
 
     class MyIntegral(Integral):
+
         def __add__(self, other):
             if isinstance(other, MyIntegral):
                 return do_my_adding_stuff(self, other)
@@ -302,6 +325,7 @@
                 return do_my_other_adding_stuff(self, other)
             else:
                 return NotImplemented
+
         def __radd__(self, other):
             if isinstance(other, MyIntegral):
                 return do_my_adding_stuff(other, self)


More information about the Python-checkins mailing list