Merged revisions 75264,75268,75293,75318,75391-75392,75436,75478,75971,76003,76058,76140-76141,76231,76380,76428-76429 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r75264 | andrew.kuchling | 2009-10-05 17:30:22 -0500 (Mon, 05 Oct 2009) | 1 line

  Add various items
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  r75268 | andrew.kuchling | 2009-10-05 17:45:39 -0500 (Mon, 05 Oct 2009) | 1 line

  Remove two notes
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  r75293 | kristjan.jonsson | 2009-10-09 09:32:19 -0500 (Fri, 09 Oct 2009) | 2 lines

  http://bugs.python.org/issue7029
  a non-default timer wasn't actually used by the individual Tests.
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  r75318 | benjamin.peterson | 2009-10-10 16:15:58 -0500 (Sat, 10 Oct 2009) | 1 line

  remove script which uses long gone module
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  r75391 | andrew.kuchling | 2009-10-13 10:49:33 -0500 (Tue, 13 Oct 2009) | 1 line

  Link to PEP
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  r75392 | andrew.kuchling | 2009-10-13 11:11:49 -0500 (Tue, 13 Oct 2009) | 1 line

  Various link, textual, and markup fixes
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  r75436 | benjamin.peterson | 2009-10-15 10:39:15 -0500 (Thu, 15 Oct 2009) | 1 line

  don't need to mess up sys.path
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  r75478 | senthil.kumaran | 2009-10-17 20:58:45 -0500 (Sat, 17 Oct 2009) | 3 lines

  Fix a typo.
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  r75971 | benjamin.peterson | 2009-10-30 22:56:15 -0500 (Fri, 30 Oct 2009) | 1 line

  add some checks for evaluation order with parenthesis #7210
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  r76003 | antoine.pitrou | 2009-10-31 19:30:13 -0500 (Sat, 31 Oct 2009) | 6 lines

  Hopefully fix the buildbot problems on test_mailbox, by computing
  the maildir toc cache refresh date before actually refreshing the cache.

  (see #6896)
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  r76058 | benjamin.peterson | 2009-11-02 10:14:19 -0600 (Mon, 02 Nov 2009) | 1 line

  grant list.index() a more informative error message #7252
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  r76140 | nick.coghlan | 2009-11-07 02:13:55 -0600 (Sat, 07 Nov 2009) | 1 line

  Add test for runpy.run_module package execution and use something other than logging as the example of a non-executable package
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  r76141 | nick.coghlan | 2009-11-07 02:15:01 -0600 (Sat, 07 Nov 2009) | 1 line

  Some minor cleanups to private runpy code and docstrings
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  r76231 | benjamin.peterson | 2009-11-12 17:42:23 -0600 (Thu, 12 Nov 2009) | 1 line

  this main is much more useful
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  r76380 | antoine.pitrou | 2009-11-18 14:20:46 -0600 (Wed, 18 Nov 2009) | 3 lines

  Mention Giampolo R's new FTP TLS support in the what's new file
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  r76428 | benjamin.peterson | 2009-11-19 20:15:50 -0600 (Thu, 19 Nov 2009) | 1 line

  turn goto into do while loop
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  r76429 | benjamin.peterson | 2009-11-19 20:56:43 -0600 (Thu, 19 Nov 2009) | 2 lines

  avoid doing an uneeded import in a function
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diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index d9c289b..3f299a8 100755
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -469,12 +469,21 @@
 
     def _refresh(self):
         """Update table of contents mapping."""
-        new_mtime = os.path.getmtime(os.path.join(self._path, 'new'))
-        cur_mtime = os.path.getmtime(os.path.join(self._path, 'cur'))
+        if self._last_read is not None:
+            for subdir in ('new', 'cur'):
+                mtime = os.path.getmtime(os.path.join(self._path, subdir))
+                if mtime > self._last_read:
+                    break
+            else:
+                return
 
-        if (self._last_read is not None and
-            new_mtime <= self._last_read and cur_mtime <= self._last_read):
-            return
+        # We record the current time - 1sec so that, if _refresh() is called
+        # again in the same second, we will always re-read the mailbox
+        # just in case it's been modified.  (os.path.mtime() only has
+        # 1sec resolution.)  This results in a few unnecessary re-reads
+        # when _refresh() is called multiple times in the same second,
+        # but once the clock ticks over, we will only re-read as needed.
+        now = time.time() - 1
 
         self._toc = {}
         def update_dir (subdir):
@@ -489,14 +498,7 @@
         update_dir('new')
         update_dir('cur')
 
-        # We record the current time - 1sec so that, if _refresh() is called
-        # again in the same second, we will always re-read the mailbox
-        # just in case it's been modified.  (os.path.mtime() only has
-        # 1sec resolution.)  This results in a few unnecessary re-reads
-        # when _refresh() is called multiple times in the same second,
-        # but once the clock ticks over, we will only re-read as needed.
-        now = int(time.time() - 1)
-        self._last_read = time.time() - 1
+        self._last_read = now
 
     def _lookup(self, key):
         """Use TOC to return subpath for given key, or raise a KeyError."""