Changeset 388 for python/vendor/current/Lib/sets.py

Timestamp:

Mar 19, 2014, 11:11:30 AM (11 years ago)

Author:

dmik

Message:

python: Update vendor to 2.7.6.

File:

• python/vendor/current/Lib/sets.py (modified) (9 diffs)

python/vendor/current/Lib/sets.py

@@ -55 +55 @@
 #   improvements.
 
-from __future__ import generators
-try:
-    from itertools import ifilter, ifilterfalse
-except ImportError:
-    # Code to make the module run under Py2.2
-    def ifilter(predicate, iterable):
-        if predicate is None:
-            def predicate(x):
-                return x
-        for x in iterable:
-            if predicate(x):
-                yield x
-    def ifilterfalse(predicate, iterable):
-        if predicate is None:
-            def predicate(x):
-                return x
-        for x in iterable:
-            if not predicate(x):
-                yield x
-    try:
-        True, False
-    except NameError:
-        True, False = (0==0, 0!=0)
+from itertools import ifilter, ifilterfalse
 
 __all__ = ['BaseSet', 'Set', 'ImmutableSet']
@@ -236 +214 @@
         else:
             little, big = other, self
-        common = ifilter(big._data.has_key, little)
+        common = ifilter(big._data.__contains__, little)
         return self.__class__(common)
 
@@ -261 +239 @@
         except AttributeError:
             otherdata = Set(other)._data
-        for elt in ifilterfalse(otherdata.has_key, selfdata):
+        for elt in ifilterfalse(otherdata.__contains__, selfdata):
             data[elt] = value
-        for elt in ifilterfalse(selfdata.has_key, otherdata):
+        for elt in ifilterfalse(selfdata.__contains__, otherdata):
             data[elt] = value
         return result
@@ -288 +266 @@
             otherdata = Set(other)._data
         value = True
-        for elt in ifilterfalse(otherdata.has_key, self):
+        for elt in ifilterfalse(otherdata.__contains__, self):
             data[elt] = value
         return result
@@ -314 +292 @@
         if len(self) > len(other):  # Fast check for obvious cases
             return False
-        for elt in ifilterfalse(other._data.has_key, self):
+        for elt in ifilterfalse(other._data.__contains__, self):
             return False
         return True
@@ -323 +301 @@
         if len(self) < len(other):  # Fast check for obvious cases
             return False
-        for elt in ifilterfalse(self._data.has_key, other):
+        for elt in ifilterfalse(self._data.__contains__, other):
             return False
         return True
@@ -338 +316 @@
         self._binary_sanity_check(other)
         return len(self) > len(other) and self.issuperset(other)
+
+    # We inherit object.__hash__, so we must deny this explicitly
+    __hash__ = None
 
     # Assorted helpers
@@ -440 +421 @@
         self._data, = data
 
-    # We inherit object.__hash__, so we must deny this explicitly
-    __hash__ = None
-
     # In-place union, intersection, differences.
     # Subtle:  The xyz_update() functions deliberately return None,
@@ -504 +482 @@
         if self is other:
             self.clear()
-        for elt in ifilter(data.has_key, other):
+        for elt in ifilter(data.__contains__, other):
             del data[elt]