Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r67952 | georg.brandl | 2008-12-27 18:42:40 +0100 (Sat, 27 Dec 2008) | 2 lines

  #4752: actually use custom handler in example.
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  r67953 | georg.brandl | 2008-12-27 19:20:04 +0100 (Sat, 27 Dec 2008) | 3 lines

  Patch #4739 by David Laban: add symbols to pydoc help topics,
  so that ``help('@')`` works as expected.
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  r67955 | georg.brandl | 2008-12-27 19:27:53 +0100 (Sat, 27 Dec 2008) | 3 lines

  Follow-up to r67746 in order to restore backwards-compatibility for
  those who (monkey-)patch TextWrapper.wordsep_re with a custom RE.
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  r67957 | georg.brandl | 2008-12-27 19:49:19 +0100 (Sat, 27 Dec 2008) | 2 lines

  #4754: improve winsound documentation.
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  r67958 | georg.brandl | 2008-12-27 20:02:59 +0100 (Sat, 27 Dec 2008) | 2 lines

  #4682: 'b' is actually unsigned char.
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  r67960 | georg.brandl | 2008-12-27 20:04:44 +0100 (Sat, 27 Dec 2008) | 2 lines

  #4695: fix backslashery.
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  r67961 | georg.brandl | 2008-12-27 20:06:04 +0100 (Sat, 27 Dec 2008) | 2 lines

  Use :samp: role.
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  r67963 | georg.brandl | 2008-12-27 20:11:15 +0100 (Sat, 27 Dec 2008) | 2 lines

  #4671: document that pydoc imports modules.
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  r67965 | antoine.pitrou | 2008-12-27 21:34:52 +0100 (Sat, 27 Dec 2008) | 3 lines

  Issue #4677: add two list comprehension tests to pybench.
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  r67967 | benjamin.peterson | 2008-12-27 23:18:58 +0100 (Sat, 27 Dec 2008) | 1 line

  fix markup
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  r67970 | alexandre.vassalotti | 2008-12-28 02:52:58 +0100 (Sun, 28 Dec 2008) | 2 lines

  Fix name mangling of PyUnicode_ClearFreeList.
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  r67971 | alexandre.vassalotti | 2008-12-28 03:10:35 +0100 (Sun, 28 Dec 2008) | 2 lines

  Sort UCS-2/UCS-4 name mangling list.
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  r67973 | alexandre.vassalotti | 2008-12-28 03:58:22 +0100 (Sun, 28 Dec 2008) | 2 lines

  Document Py_VaBuildValue.
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  r67982 | benjamin.peterson | 2008-12-28 16:37:31 +0100 (Sun, 28 Dec 2008) | 1 line

  fix WORD_BIGEDIAN declaration in Universal builds; fixes #4060 and #4728
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  r67988 | ronald.oussoren | 2008-12-28 20:40:56 +0100 (Sun, 28 Dec 2008) | 1 line

  Issue4064: architecture string for universal builds on OSX
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  r67990 | ronald.oussoren | 2008-12-28 20:50:40 +0100 (Sun, 28 Dec 2008) | 3 lines

  Update the fix for issue4064 to deal correctly with all three variants of
  universal builds that are presented by the configure script.
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  r67995 | benjamin.peterson | 2008-12-28 22:16:07 +0100 (Sun, 28 Dec 2008) | 1 line

  #4763 PyErr_ExceptionMatches won't blow up with NULL arguments
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  r68014 | benjamin.peterson | 2008-12-29 18:47:42 +0100 (Mon, 29 Dec 2008) | 1 line

  #4764 set IOError.filename when trying to open a directory on POSIX platforms
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  r68016 | benjamin.peterson | 2008-12-29 18:56:58 +0100 (Mon, 29 Dec 2008) | 1 line

  #4764 in io.open, set IOError.filename when trying to open a directory on POSIX platforms
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  r68030 | benjamin.peterson | 2008-12-29 22:38:14 +0100 (Mon, 29 Dec 2008) | 1 line

  fix French
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  r68057 | vinay.sajip | 2008-12-30 08:01:25 +0100 (Tue, 30 Dec 2008) | 1 line

  Minor documentation change relating to NullHandler.
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  r68061 | georg.brandl | 2008-12-30 11:15:49 +0100 (Tue, 30 Dec 2008) | 2 lines

  #4778: attributes can't be called.
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  r68112 | benjamin.peterson | 2009-01-01 00:48:39 +0100 (Thu, 01 Jan 2009) | 1 line

  #4795 inspect.isgeneratorfunction() should return False instead of None
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  r68115 | benjamin.peterson | 2009-01-01 05:04:41 +0100 (Thu, 01 Jan 2009) | 1 line

  simplfy code
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  r68116 | georg.brandl | 2009-01-01 12:46:51 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4100: note that element children are not necessarily present on "start" events.
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  r68117 | georg.brandl | 2009-01-01 12:53:55 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4156: make clear that "protocol" is to be replaced with the protocol name.
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  r68118 | georg.brandl | 2009-01-01 13:00:19 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4185: clarify escape behavior of replacement strings.
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  r68120 | georg.brandl | 2009-01-01 13:15:31 +0100 (Thu, 01 Jan 2009) | 4 lines

  #4228: Pack negative values the same way as 2.4
  in struct's L format.
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  r68121 | georg.brandl | 2009-01-01 13:43:33 +0100 (Thu, 01 Jan 2009) | 2 lines

  Point to types module in new module deprecation notice.
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  r68123 | georg.brandl | 2009-01-01 13:52:29 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4784: ... on three counts ...
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  r68124 | georg.brandl | 2009-01-01 13:53:19 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4782: Fix markup error that hid load() and loads().
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  r68125 | georg.brandl | 2009-01-01 14:02:09 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4776: add data_files and package_dir arguments.
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  r68126 | georg.brandl | 2009-01-01 14:05:13 +0100 (Thu, 01 Jan 2009) | 2 lines

  Handlers are in the `logging.handlers` module.
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  r68127 | georg.brandl | 2009-01-01 14:14:49 +0100 (Thu, 01 Jan 2009) | 2 lines

  #4767: Use correct submodules for all MIME classes.
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  r68128 | antoine.pitrou | 2009-01-01 15:11:22 +0100 (Thu, 01 Jan 2009) | 3 lines

  Issue #3680: Reference cycles created through a dict, set or deque iterator did not get collected.
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1 files changed, 55 insertions, 0 deletions

diff --git a/Tools/pybench/Lists.py b/Tools/pybench/Lists.py
index 67760db..6c297a3 100644
--- a/Tools/pybench/Lists.py
+++ b/Tools/pybench/Lists.py
@@ -293,3 +293,58 @@ class SmallLists(Test):
 
         for i in xrange(self.rounds):
             pass
+
+class SimpleListComprehensions(Test):
+
+    version = 2.0
+    operations = 6
+    rounds = 20000
+
+    def test(self):
+
+        n = range(10) * 10
+
+        for i in xrange(self.rounds):
+            l = [x for x in n]
+            l = [x for x in n if x]
+            l = [x for x in n if not x]
+
+            l = [x for x in n]
+            l = [x for x in n if x]
+            l = [x for x in n if not x]
+
+    def calibrate(self):
+
+        n = range(10) * 10
+
+        for i in xrange(self.rounds):
+            pass
+
+class NestedListComprehensions(Test):
+
+    version = 2.0
+    operations = 6
+    rounds = 20000
+
+    def test(self):
+
+        m = range(10)
+        n = range(10)
+
+        for i in xrange(self.rounds):
+            l = [x for x in n for y in m]
+            l = [y for x in n for y in m]
+
+            l = [x for x in n for y in m if y]
+            l = [y for x in n for y in m if x]
+
+            l = [x for x in n for y in m if not y]
+            l = [y for x in n for y in m if not x]
+
+    def calibrate(self):
+
+        m = range(10)
+        n = range(10)
+
+        for i in xrange(self.rounds):
+            pass