Merged revisions 74359,75081,75088,75213,75278,75303,75427-75428,75734-75736,75865,76059-76061 via svnmerge from

svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r74359 | benjamin.peterson | 2009-08-12 17:23:13 -0500 (Wed, 12 Aug 2009) | 1 line

  don't pass the deprecated print_function option
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  r75081 | benjamin.peterson | 2009-09-26 22:02:57 -0500 (Sat, 26 Sep 2009) | 1 line

  let 2to3 work with extended iterable unpacking
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  r75088 | benjamin.peterson | 2009-09-27 11:25:21 -0500 (Sun, 27 Sep 2009) | 1 line

  look on the type only for __call__
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  r75213 | benjamin.peterson | 2009-10-03 10:09:46 -0500 (Sat, 03 Oct 2009) | 5 lines

  revert 75212; it's not correct

  People can use isinstance(x, collections.Callable) if they expect objects with
  __call__ in their instance dictionaries.
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  r75278 | benjamin.peterson | 2009-10-07 16:25:56 -0500 (Wed, 07 Oct 2009) | 4 lines

  fix whitespace problems with fix_idioms #3563

  Patch by Joe Amenta.
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  r75303 | benjamin.peterson | 2009-10-09 16:59:11 -0500 (Fri, 09 Oct 2009) | 1 line

  port latin-1 and utf-8 cookie improvements
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  r75427 | benjamin.peterson | 2009-10-14 20:35:57 -0500 (Wed, 14 Oct 2009) | 1 line

  force floor division
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  r75428 | benjamin.peterson | 2009-10-14 20:39:21 -0500 (Wed, 14 Oct 2009) | 1 line

  silence -3 warnings about __hash__
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  r75734 | benjamin.peterson | 2009-10-26 16:25:53 -0500 (Mon, 26 Oct 2009) | 2 lines

  warn on map(None, ...) with more than 2 arguments #7203
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  r75735 | benjamin.peterson | 2009-10-26 16:28:25 -0500 (Mon, 26 Oct 2009) | 1 line

  remove unused result
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  r75736 | benjamin.peterson | 2009-10-26 16:29:02 -0500 (Mon, 26 Oct 2009) | 1 line

  using get() here is a bit pointless
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  r75865 | benjamin.peterson | 2009-10-27 15:49:00 -0500 (Tue, 27 Oct 2009) | 1 line

  explain reason for warning
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  r76059 | benjamin.peterson | 2009-11-02 11:43:47 -0600 (Mon, 02 Nov 2009) | 1 line

  tuples are no longer used for children
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  r76060 | benjamin.peterson | 2009-11-02 11:55:40 -0600 (Mon, 02 Nov 2009) | 1 line

  revert r76059; apparently some fixers rely on Leaf no () for children
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  r76061 | benjamin.peterson | 2009-11-02 12:06:17 -0600 (Mon, 02 Nov 2009) | 1 line

  make fix_tuple_params keep the tree valid #7253
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1 files changed, 22 insertions, 3 deletions

diff --git a/Lib/lib2to3/fixes/fix_idioms.py b/Lib/lib2to3/fixes/fix_idioms.py
index 71dff5b..c07b77e 100644
--- a/Lib/lib2to3/fixes/fix_idioms.py
+++ b/Lib/lib2to3/fixes/fix_idioms.py
@@ -29,7 +29,7 @@ into
 
 # Local imports
 from .. import fixer_base
-from ..fixer_util import Call, Comma, Name, Node, syms
+from ..fixer_util import Call, Comma, Name, Node, BlankLine, syms
 
 CMP = "(n='!=' | '==' | 'is' | n=comp_op< 'is' 'not' >)"
 TYPE = "power< 'type' trailer< '(' x=any ')' > >"
@@ -130,5 +130,24 @@ class FixIdioms(fixer_base.BaseFix):
         else:
             raise RuntimeError("should not have reached here")
         sort_stmt.remove()
-        if next_stmt:
-            next_stmt[0].prefix = sort_stmt.prefix
+
+        btwn = sort_stmt.prefix
+        # Keep any prefix lines between the sort_stmt and the list_call and
+        # shove them right after the sorted() call.
+        if u"\n" in btwn:
+            if next_stmt:
+                # The new prefix should be everything from the sort_stmt's
+                # prefix up to the last newline, then the old prefix after a new
+                # line.
+                prefix_lines = (btwn.rpartition(u"\n")[0], next_stmt[0].prefix)
+                next_stmt[0].prefix = u"\n".join(prefix_lines)
+            else:
+                assert list_call.parent
+                assert list_call.next_sibling is None
+                # Put a blank line after list_call and set its prefix.
+                end_line = BlankLine()
+                list_call.parent.append_child(end_line)
+                assert list_call.next_sibling is end_line
+                # The new prefix should be everything up to the first new line
+                # of sort_stmt's prefix.
+                end_line.prefix = btwn.rpartition(u"\n")[0]