Merged revisions 73370 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk ................ r73370 | benjamin.peterson | 2009-06-11 17:06:46 -0500 (Thu, 11 Jun 2009) | 105 lines Merged revisions 72523,72950-72951,72994,73003,73033,73036-73040,73091-73093,73096,73179-73181,73192,73231,73244,73255-73256,73365 via svnmerge from svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3 ........ r72523 | benjamin.peterson | 2009-05-09 14:42:26 -0500 (Sat, 09 May 2009) | 1 line remove parenthesis ........ r72950 | benjamin.peterson | 2009-05-26 18:19:45 -0500 (Tue, 26 May 2009) | 1 line remove unused imports ........ r72951 | benjamin.peterson | 2009-05-26 18:27:00 -0500 (Tue, 26 May 2009) | 1 line this is no longer executable ........ r72994 | benjamin.peterson | 2009-05-28 15:32:54 -0500 (Thu, 28 May 2009) | 1 line fix test_all_fixers on Windows #6134 ........ r73003 | benjamin.peterson | 2009-05-28 21:57:28 -0500 (Thu, 28 May 2009) | 4 lines make 2to3 test utilities easier to use with other applications (3to2) Patch by Joe Amenta ........ r73033 | benjamin.peterson | 2009-05-29 16:58:32 -0500 (Fri, 29 May 2009) | 1 line update grammar for multi with statement ........ r73036 | benjamin.peterson | 2009-05-29 17:33:20 -0500 (Fri, 29 May 2009) | 1 line simplify fix_unicode ........ r73037 | benjamin.peterson | 2009-05-29 17:53:03 -0500 (Fri, 29 May 2009) | 1 line add custom error for pattern syntax errors ........ r73038 | benjamin.peterson | 2009-05-29 17:55:00 -0500 (Fri, 29 May 2009) | 1 line complain if details are attached to a token ........ r73039 | benjamin.peterson | 2009-05-29 18:00:28 -0500 (Fri, 29 May 2009) | 1 line add a test for whitespace ........ r73040 | benjamin.peterson | 2009-05-29 18:01:17 -0500 (Fri, 29 May 2009) | 1 line a fix for emacs highlighting ........ r73091 | benjamin.peterson | 2009-05-31 20:55:25 -0500 (Sun, 31 May 2009) | 1 line deprecate set_prefix() and get_prefix() in favor of a prefix property ........ r73092 | benjamin.peterson | 2009-05-31 21:00:51 -0500 (Sun, 31 May 2009) | 1 line change hideous java naming scheme ........ r73093 | benjamin.peterson | 2009-05-31 21:01:39 -0500 (Sun, 31 May 2009) | 1 line remove dated comment ........ r73096 | benjamin.peterson | 2009-05-31 21:40:53 -0500 (Sun, 31 May 2009) | 1 line group tests ........ r73179 | benjamin.peterson | 2009-06-03 13:09:53 -0500 (Wed, 03 Jun 2009) | 1 line handle the case where there's multiple trailers #6185 ........ r73180 | benjamin.peterson | 2009-06-03 13:18:05 -0500 (Wed, 03 Jun 2009) | 1 line scrap __main__ section ........ r73181 | benjamin.peterson | 2009-06-03 13:24:48 -0500 (Wed, 03 Jun 2009) | 1 line remove shebang lines and __main__ sections ........ r73192 | benjamin.peterson | 2009-06-03 19:16:30 -0500 (Wed, 03 Jun 2009) | 4 lines actually test something here Thanks to Joe Amenta for noticing.y ........ r73231 | benjamin.peterson | 2009-06-04 13:38:50 -0500 (Thu, 04 Jun 2009) | 1 line remove unused variable ........ r73244 | benjamin.peterson | 2009-06-05 08:39:25 -0500 (Fri, 05 Jun 2009) | 1 line allow fixers to give different options in setUp ........ r73255 | benjamin.peterson | 2009-06-06 11:23:46 -0500 (Sat, 06 Jun 2009) | 1 line fix the except fixer on one line suites #6222 ........ r73256 | benjamin.peterson | 2009-06-06 11:27:40 -0500 (Sat, 06 Jun 2009) | 1 line test one-line else and finally clauses ........ r73365 | benjamin.peterson | 2009-06-11 17:01:32 -0500 (Thu, 11 Jun 2009) | 1 line normalize whitespace ........ ................
author: Benjamin Peterson <benjamin@python.org> 2009-06-11 23:47:38 (GMT)
committer: Benjamin Peterson <benjamin@python.org> 2009-06-11 23:47:38 (GMT)
commit: 2c3ac6b8757f8fc1dacf6aeaa9a9518d8729d52b (patch)
tree: 2c6d71a04c615fc456ec8de0287cd37c4ac7f977 /Lib/lib2to3
parent: be40db07c61030d1855a0d173eb30645968d6586 (diff)
download: cpython-2c3ac6b8757f8fc1dacf6aeaa9a9518d8729d52b.zip
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64 files changed, 381 insertions, 302 deletions
diff --git a/Lib/lib2to3/Grammar.txt b/Lib/lib2to3/Grammar.txt
index 1f4a50f..4cf4e32 100644
--- a/Lib/lib2to3/Grammar.txt
+++ b/Lib/lib2to3/Grammar.txt
@@ -90,7 +90,8 @@ try_stmt: ('try' ':' suite
 	    ['else' ':' suite]
 	    ['finally' ':' suite] |
 	   'finally' ':' suite))
-with_stmt: 'with' test [ with_var ] ':' suite
+with_stmt: 'with' with_item (',' with_item)*  ':' suite
+with_item: test ['as' expr]
 with_var: 'as' expr
 # NB compile.c makes sure that the default except clause is last
 except_clause: 'except' [test [(',' | 'as') test]]
diff --git a/Lib/lib2to3/fixer_base.py b/Lib/lib2to3/fixer_base.py
index 66737f4..c361e61 100644
--- a/Lib/lib2to3/fixer_base.py
+++ b/Lib/lib2to3/fixer_base.py
@@ -120,7 +120,7 @@ class BaseFix(object):
         """
         lineno = node.get_lineno()
         for_output = node.clone()
-        for_output.set_prefix("")
+        for_output.prefix = ""
         msg = "Line %d: could not convert: %s"
         self.log_message(msg % (lineno, for_output))
         if reason:
diff --git a/Lib/lib2to3/fixer_util.py b/Lib/lib2to3/fixer_util.py
index 37343c0..5c0a088 100644
--- a/Lib/lib2to3/fixer_util.py
+++ b/Lib/lib2to3/fixer_util.py
@@ -27,7 +27,7 @@ def Assign(target, source):
     if not isinstance(target, list):
         target = [target]
     if not isinstance(source, list):
-        source.set_prefix(" ")
+        source.prefix = " "
         source = [source]
 
     return Node(syms.atom,
@@ -60,7 +60,7 @@ def Call(func_name, args=None, prefix=None):
     """A function call"""
     node = Node(syms.power, [func_name, ArgList(args)])
     if prefix is not None:
-        node.set_prefix(prefix)
+        node.prefix = prefix
     return node
 
 def Newline():
@@ -89,18 +89,18 @@ def ListComp(xp, fp, it, test=None):
 
     If test is None, the "if test" part is omitted.
     """
-    xp.set_prefix("")
-    fp.set_prefix(" ")
-    it.set_prefix(" ")
+    xp.prefix = ""
+    fp.prefix = " "
+    it.prefix = " "
     for_leaf = Leaf(token.NAME, "for")
-    for_leaf.set_prefix(" ")
+    for_leaf.prefix = " "
     in_leaf = Leaf(token.NAME, "in")
-    in_leaf.set_prefix(" ")
+    in_leaf.prefix = " "
     inner_args = [for_leaf, fp, in_leaf, it]
     if test:
-        test.set_prefix(" ")
+        test.prefix = " "
         if_leaf = Leaf(token.NAME, "if")
-        if_leaf.set_prefix(" ")
+        if_leaf.prefix = " "
         inner_args.append(Node(syms.comp_if, [if_leaf, test]))
     inner = Node(syms.listmaker, [xp, Node(syms.comp_for, inner_args)])
     return Node(syms.atom,
diff --git a/Lib/lib2to3/fixes/fix_apply.py b/Lib/lib2to3/fixes/fix_apply.py
index 5af13b7..99cd21a 100644
--- a/Lib/lib2to3/fixes/fix_apply.py
+++ b/Lib/lib2to3/fixes/fix_apply.py
@@ -33,25 +33,25 @@ class FixApply(fixer_base.BaseFix):
         func = results["func"]
         args = results["args"]
         kwds = results.get("kwds")
-        prefix = node.get_prefix()
+        prefix = node.prefix
         func = func.clone()
         if (func.type not in (token.NAME, syms.atom) and
             (func.type != syms.power or
              func.children[-2].type == token.DOUBLESTAR)):
             # Need to parenthesize
             func = parenthesize(func)
-        func.set_prefix("")
+        func.prefix = ""
         args = args.clone()
-        args.set_prefix("")
+        args.prefix = ""
         if kwds is not None:
             kwds = kwds.clone()
-            kwds.set_prefix("")
+            kwds.prefix = ""
         l_newargs = [pytree.Leaf(token.STAR, "*"), args]
         if kwds is not None:
             l_newargs.extend([Comma(),
                               pytree.Leaf(token.DOUBLESTAR, "**"),
                               kwds])
-            l_newargs[-2].set_prefix(" ") # that's the ** token
+            l_newargs[-2].prefix = " " # that's the ** token
         # XXX Sometimes we could be cleverer, e.g. apply(f, (x, y) + t)
         # can be translated into f(x, y, *t) instead of f(*(x, y) + t)
         #new = pytree.Node(syms.power, (func, ArgList(l_newargs)))
diff --git a/Lib/lib2to3/fixes/fix_basestring.py b/Lib/lib2to3/fixes/fix_basestring.py
index 5d84cc7..7d11a1f 100644
--- a/Lib/lib2to3/fixes/fix_basestring.py
+++ b/Lib/lib2to3/fixes/fix_basestring.py
@@ -10,4 +10,4 @@ class FixBasestring(fixer_base.BaseFix):
     PATTERN = "'basestring'"
 
     def transform(self, node, results):
-        return Name("str", prefix=node.get_prefix())
+        return Name("str", prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_buffer.py b/Lib/lib2to3/fixes/fix_buffer.py
index 2f6822b..21d04ae 100644
--- a/Lib/lib2to3/fixes/fix_buffer.py
+++ b/Lib/lib2to3/fixes/fix_buffer.py
@@ -13,9 +13,9 @@ class FixBuffer(fixer_base.BaseFix):
     explicit = True # The user must ask for this fixer
 
     PATTERN = """
-              power< name='buffer' trailer< '(' [any] ')' > >
+              power< name='buffer' trailer< '(' [any] ')' > any* >
               """
 
     def transform(self, node, results):
         name = results["name"]
-        name.replace(Name("memoryview", prefix=name.get_prefix()))
+        name.replace(Name("memoryview", prefix=name.prefix))
diff --git a/Lib/lib2to3/fixes/fix_callable.py b/Lib/lib2to3/fixes/fix_callable.py
index de93792..831b913 100644
--- a/Lib/lib2to3/fixes/fix_callable.py
+++ b/Lib/lib2to3/fixes/fix_callable.py
@@ -28,4 +28,4 @@ class FixCallable(fixer_base.BaseFix):
         func = results["func"]
 
         args = [func.clone(), String(', '), String("'__call__'")]
-        return Call(Name("hasattr"), args, prefix=node.get_prefix())
+        return Call(Name("hasattr"), args, prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_dict.py b/Lib/lib2to3/fixes/fix_dict.py
index dec94c5..ce973fd 100644
--- a/Lib/lib2to3/fixes/fix_dict.py
+++ b/Lib/lib2to3/fixes/fix_dict.py
@@ -61,15 +61,15 @@ class FixDict(fixer_base.BaseFix):
         args = head + [pytree.Node(syms.trailer,
                                    [Dot(),
                                     Name(method_name,
-                                         prefix=method.get_prefix())]),
+                                         prefix=method.prefix)]),
                        results["parens"].clone()]
         new = pytree.Node(syms.power, args)
         if not special:
-            new.set_prefix("")
+            new.prefix = ""
             new = Call(Name(isiter and "iter" or "list"), [new])
         if tail:
             new = pytree.Node(syms.power, [new] + tail)
-        new.set_prefix(node.get_prefix())
+        new.prefix = node.prefix
         return new
 
     P1 = "power< func=NAME trailer< '(' node=any ')' > any* >"
diff --git a/Lib/lib2to3/fixes/fix_except.py b/Lib/lib2to3/fixes/fix_except.py
index 5554c02..ace3f84 100644
--- a/Lib/lib2to3/fixes/fix_except.py
+++ b/Lib/lib2to3/fixes/fix_except.py
@@ -36,11 +36,11 @@ def find_excepts(nodes):
 class FixExcept(fixer_base.BaseFix):
 
     PATTERN = """
-    try_stmt< 'try' ':' suite
-                  cleanup=(except_clause ':' suite)+
-                  tail=(['except' ':' suite]
-                        ['else' ':' suite]
-                        ['finally' ':' suite]) >
+    try_stmt< 'try' ':' (simple_stmt | suite)
+                  cleanup=(except_clause ':' (simple_stmt | suite))+
+                  tail=(['except' ':' (simple_stmt | suite)]
+                        ['else' ':' (simple_stmt | suite)]
+                        ['finally' ':' (simple_stmt | suite)]) >
     """
 
     def transform(self, node, results):
@@ -58,7 +58,7 @@ class FixExcept(fixer_base.BaseFix):
                     # Generate a new N for the except clause
                     new_N = Name(self.new_name(), prefix=" ")
                     target = N.clone()
-                    target.set_prefix("")
+                    target.prefix = ""
                     N.replace(new_N)
                     new_N = new_N.clone()
 
@@ -82,10 +82,10 @@ class FixExcept(fixer_base.BaseFix):
                     for child in reversed(suite_stmts[:i]):
                         e_suite.insert_child(0, child)
                     e_suite.insert_child(i, assign)
-                elif N.get_prefix() == "":
+                elif N.prefix == "":
                     # No space after a comma is legal; no space after "as",
                     # not so much.
-                    N.set_prefix(" ")
+                    N.prefix = " "
 
         #TODO(cwinter) fix this when children becomes a smart list
         children = [c.clone() for c in node.children[:3]] + try_cleanup + tail
diff --git a/Lib/lib2to3/fixes/fix_exec.py b/Lib/lib2to3/fixes/fix_exec.py
index 9b47aec..68376ba 100644
--- a/Lib/lib2to3/fixes/fix_exec.py
+++ b/Lib/lib2to3/fixes/fix_exec.py
@@ -30,10 +30,10 @@ class FixExec(fixer_base.BaseFix):
         b = results.get("b")
         c = results.get("c")
         args = [a.clone()]
-        args[0].set_prefix("")
+        args[0].prefix = ""
         if b is not None:
             args.extend([Comma(), b.clone()])
         if c is not None:
             args.extend([Comma(), c.clone()])
 
-        return Call(Name("exec"), args, prefix=node.get_prefix())
+        return Call(Name("exec"), args, prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_execfile.py b/Lib/lib2to3/fixes/fix_execfile.py
index f7a7a70..4336ff3 100644
--- a/Lib/lib2to3/fixes/fix_execfile.py
+++ b/Lib/lib2to3/fixes/fix_execfile.py
@@ -38,7 +38,7 @@ class FixExecfile(fixer_base.BaseFix):
         # Wrap the open call in a compile call. This is so the filename will be
         # preserved in the execed code.
         filename_arg = filename.clone()
-        filename_arg.set_prefix(" ")
+        filename_arg.prefix = " "
         exec_str = String("'exec'", " ")
         compile_args = open_expr + [Comma(), filename_arg, Comma(), exec_str]
         compile_call = Call(Name("compile"), compile_args, "")
@@ -48,4 +48,4 @@ class FixExecfile(fixer_base.BaseFix):
             args.extend([Comma(), globals.clone()])
         if locals is not None:
             args.extend([Comma(), locals.clone()])
-        return Call(Name("exec"), args, prefix=node.get_prefix())
+        return Call(Name("exec"), args, prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_filter.py b/Lib/lib2to3/fixes/fix_filter.py
index 51fd02a..527dc3d 100644
--- a/Lib/lib2to3/fixes/fix_filter.py
+++ b/Lib/lib2to3/fixes/fix_filter.py
@@ -69,7 +69,7 @@ class FixFilter(fixer_base.ConditionalFix):
             if in_special_context(node):
                 return None
             new = node.clone()
-            new.set_prefix("")
+            new.prefix = ""
             new = Call(Name("list"), [new])
-        new.set_prefix(node.get_prefix())
+        new.prefix = node.prefix
         return new
diff --git a/Lib/lib2to3/fixes/fix_funcattrs.py b/Lib/lib2to3/fixes/fix_funcattrs.py
index 4234993..465dbc8 100644
--- a/Lib/lib2to3/fixes/fix_funcattrs.py
+++ b/Lib/lib2to3/fixes/fix_funcattrs.py
@@ -16,4 +16,4 @@ class FixFuncattrs(fixer_base.BaseFix):
     def transform(self, node, results):
         attr = results["attr"][0]
         attr.replace(Name(("__%s__" % attr.value[5:]),
-                          prefix=attr.get_prefix()))
+                          prefix=attr.prefix))
diff --git a/Lib/lib2to3/fixes/fix_future.py b/Lib/lib2to3/fixes/fix_future.py
index a032e88..861e13c 100644
--- a/Lib/lib2to3/fixes/fix_future.py
+++ b/Lib/lib2to3/fixes/fix_future.py
@@ -16,5 +16,5 @@ class FixFuture(fixer_base.BaseFix):
 
     def transform(self, node, results):
         new = BlankLine()
-        new.prefix = node.get_prefix()
+        new.prefix = node.prefix
         return new
diff --git a/Lib/lib2to3/fixes/fix_getcwdu.py b/Lib/lib2to3/fixes/fix_getcwdu.py
index 1175e56..8afb30d 100644
--- a/Lib/lib2to3/fixes/fix_getcwdu.py
+++ b/Lib/lib2to3/fixes/fix_getcwdu.py
@@ -15,4 +15,4 @@ class FixGetcwdu(fixer_base.BaseFix):
 
     def transform(self, node, results):
         name = results["name"]
-        name.replace(Name("getcwd", prefix=name.get_prefix()))
+        name.replace(Name("getcwd", prefix=name.prefix))
diff --git a/Lib/lib2to3/fixes/fix_has_key.py b/Lib/lib2to3/fixes/fix_has_key.py
index 482f27d..b3a2572 100644
--- a/Lib/lib2to3/fixes/fix_has_key.py
+++ b/Lib/lib2to3/fixes/fix_has_key.py
@@ -78,7 +78,7 @@ class FixHasKey(fixer_base.BaseFix):
             return None
         negation = results.get("negation")
         anchor = results["anchor"]
-        prefix = node.get_prefix()
+        prefix = node.prefix
         before = [n.clone() for n in results["before"]]
         arg = results["arg"].clone()
         after = results.get("after")
@@ -91,7 +91,7 @@ class FixHasKey(fixer_base.BaseFix):
             before = before[0]
         else:
             before = pytree.Node(syms.power, before)
-        before.set_prefix(" ")
+        before.prefix = " "
         n_op = Name("in", prefix=" ")
         if negation:
             n_not = Name("not", prefix=" ")
@@ -105,5 +105,5 @@ class FixHasKey(fixer_base.BaseFix):
                                 syms.arith_expr, syms.term,
                                 syms.factor, syms.power):
             new = parenthesize(new)
-        new.set_prefix(prefix)
+        new.prefix = prefix
         return new
diff --git a/Lib/lib2to3/fixes/fix_idioms.py b/Lib/lib2to3/fixes/fix_idioms.py
index 8bc6397..1f68faf 100644
--- a/Lib/lib2to3/fixes/fix_idioms.py
+++ b/Lib/lib2to3/fixes/fix_idioms.py
@@ -101,18 +101,18 @@ class FixIdioms(fixer_base.BaseFix):
     def transform_isinstance(self, node, results):
         x = results["x"].clone() # The thing inside of type()
         T = results["T"].clone() # The type being compared against
-        x.set_prefix("")
-        T.set_prefix(" ")
+        x.prefix = ""
+        T.prefix = " "
         test = Call(Name("isinstance"), [x, Comma(), T])
         if "n" in results:
-            test.set_prefix(" ")
+            test.prefix = " "
             test = Node(syms.not_test, [Name("not"), test])
-        test.set_prefix(node.get_prefix())
+        test.prefix = node.prefix
         return test
 
     def transform_while(self, node, results):
         one = results["while"]
-        one.replace(Name("True", prefix=one.get_prefix()))
+        one.replace(Name("True", prefix=one.prefix))
 
     def transform_sort(self, node, results):
         sort_stmt = results["sort"]
@@ -121,14 +121,14 @@ class FixIdioms(fixer_base.BaseFix):
         simple_expr = results.get("expr")
 
         if list_call:
-            list_call.replace(Name("sorted", prefix=list_call.get_prefix()))
+            list_call.replace(Name("sorted", prefix=list_call.prefix))
         elif simple_expr:
             new = simple_expr.clone()
-            new.set_prefix("")
+            new.prefix = ""
             simple_expr.replace(Call(Name("sorted"), [new],
-                                     prefix=simple_expr.get_prefix()))
+                                     prefix=simple_expr.prefix))
         else:
             raise RuntimeError("should not have reached here")
         sort_stmt.remove()
         if next_stmt:
-            next_stmt[0].set_prefix(sort_stmt.get_prefix())
+            next_stmt[0].prefix = sort_stmt.prefix
diff --git a/Lib/lib2to3/fixes/fix_import.py b/Lib/lib2to3/fixes/fix_import.py
index 4c75133..103c3ef 100644
--- a/Lib/lib2to3/fixes/fix_import.py
+++ b/Lib/lib2to3/fixes/fix_import.py
@@ -73,7 +73,7 @@ class FixImport(fixer_base.BaseFix):
                 return
 
             new = FromImport('.', [imp])
-            new.set_prefix(node.get_prefix())
+            new.prefix = node.prefix
             return new
 
     def probably_a_local_import(self, imp_name):
diff --git a/Lib/lib2to3/fixes/fix_imports.py b/Lib/lib2to3/fixes/fix_imports.py
index 46ba4a2..9aeca38 100644
--- a/Lib/lib2to3/fixes/fix_imports.py
+++ b/Lib/lib2to3/fixes/fix_imports.py
@@ -124,7 +124,7 @@ class FixImports(fixer_base.BaseFix):
         if import_mod:
             mod_name = import_mod.value
             new_name = self.mapping[mod_name]
-            import_mod.replace(Name(new_name, prefix=import_mod.get_prefix()))
+            import_mod.replace(Name(new_name, prefix=import_mod.prefix))
             if "name_import" in results:
                 # If it's not a "from x import x, y" or "import x as y" import,
                 # marked its usage to be replaced.
@@ -142,4 +142,4 @@ class FixImports(fixer_base.BaseFix):
             bare_name = results["bare_with_attr"][0]
             new_name = self.replace.get(bare_name.value)
             if new_name:
-                bare_name.replace(Name(new_name, prefix=bare_name.get_prefix()))
+                bare_name.replace(Name(new_name, prefix=bare_name.prefix))
diff --git a/Lib/lib2to3/fixes/fix_input.py b/Lib/lib2to3/fixes/fix_input.py
index e0264cf..3fae491 100644
--- a/Lib/lib2to3/fixes/fix_input.py
+++ b/Lib/lib2to3/fixes/fix_input.py
@@ -22,5 +22,5 @@ class FixInput(fixer_base.BaseFix):
             return
 
         new = node.clone()
-        new.set_prefix("")
-        return Call(Name("eval"), [new], prefix=node.get_prefix())
+        new.prefix = ""
+        return Call(Name("eval"), [new], prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_intern.py b/Lib/lib2to3/fixes/fix_intern.py
index 66c616e..2a57ce1 100644
--- a/Lib/lib2to3/fixes/fix_intern.py
+++ b/Lib/lib2to3/fixes/fix_intern.py
@@ -39,6 +39,6 @@ class FixIntern(fixer_base.BaseFix):
                                        [results["lpar"].clone(),
                                         newarglist,
                                         results["rpar"].clone()])] + after)
-        new.set_prefix(node.get_prefix())
+        new.prefix = node.prefix
         touch_import(None, 'sys', node)
         return new
diff --git a/Lib/lib2to3/fixes/fix_isinstance.py b/Lib/lib2to3/fixes/fix_isinstance.py
index 14da18a..4d212fc 100644
--- a/Lib/lib2to3/fixes/fix_isinstance.py
+++ b/Lib/lib2to3/fixes/fix_isinstance.py
@@ -45,7 +45,7 @@ class FixIsinstance(fixer_base.BaseFix):
             del new_args[-1]
         if len(new_args) == 1:
             atom = testlist.parent
-            new_args[0].set_prefix(atom.get_prefix())
+            new_args[0].prefix = atom.prefix
             atom.replace(new_args[0])
         else:
             args[:] = new_args
diff --git a/Lib/lib2to3/fixes/fix_itertools.py b/Lib/lib2to3/fixes/fix_itertools.py
index 86d6b46..a637fee 100644
--- a/Lib/lib2to3/fixes/fix_itertools.py
+++ b/Lib/lib2to3/fixes/fix_itertools.py
@@ -30,12 +30,12 @@ class FixItertools(fixer_base.BaseFix):
         if 'it' in results and func.value != 'ifilterfalse':
             dot, it = (results['dot'], results['it'])
             # Remove the 'itertools'
-            prefix = it.get_prefix()
+            prefix = it.prefix
             it.remove()
             # Replace the node wich contains ('.', 'function') with the
             # function (to be consistant with the second part of the pattern)
             dot.remove()
             func.parent.replace(func)
 
-        prefix = prefix or func.get_prefix()
+        prefix = prefix or func.prefix
         func.replace(Name(func.value[1:], prefix=prefix))
diff --git a/Lib/lib2to3/fixes/fix_itertools_imports.py b/Lib/lib2to3/fixes/fix_itertools_imports.py
index 8a57f6d..4849dd2 100644
--- a/Lib/lib2to3/fixes/fix_itertools_imports.py
+++ b/Lib/lib2to3/fixes/fix_itertools_imports.py
@@ -46,7 +46,7 @@ class FixItertoolsImports(fixer_base.BaseFix):
         # If there are no imports left, just get rid of the entire statement
         if not (imports.children or getattr(imports, 'value', None)) or \
                 imports.parent is None:
-            p = node.get_prefix()
+            p = node.prefix
             node = BlankLine()
             node.prefix = p
         return node
diff --git a/Lib/lib2to3/fixes/fix_long.py b/Lib/lib2to3/fixes/fix_long.py
index 873ecf1..b5e0bdb 100644
--- a/Lib/lib2to3/fixes/fix_long.py
+++ b/Lib/lib2to3/fixes/fix_long.py
@@ -18,5 +18,5 @@ class FixLong(fixer_base.BaseFix):
     def transform(self, node, results):
         if is_probably_builtin(node):
             new = self.static_int.clone()
-            new.set_prefix(node.get_prefix())
+            new.prefix = node.prefix
             return new
diff --git a/Lib/lib2to3/fixes/fix_map.py b/Lib/lib2to3/fixes/fix_map.py
index 29578e2..cf8f351 100644
--- a/Lib/lib2to3/fixes/fix_map.py
+++ b/Lib/lib2to3/fixes/fix_map.py
@@ -63,7 +63,7 @@ class FixMap(fixer_base.ConditionalFix):
         if node.parent.type == syms.simple_stmt:
             self.warning(node, "You should use a for loop here")
             new = node.clone()
-            new.set_prefix("")
+            new.prefix = ""
             new = Call(Name("list"), [new])
         elif "map_lambda" in results:
             new = ListComp(results.get("xp").clone(),
@@ -76,7 +76,7 @@ class FixMap(fixer_base.ConditionalFix):
                 if in_special_context(node):
                     return None
                 new = node.clone()
-            new.set_prefix("")
+            new.prefix = ""
             new = Call(Name("list"), [new])
-        new.set_prefix(node.get_prefix())
+        new.prefix = node.prefix
         return new
diff --git a/Lib/lib2to3/fixes/fix_metaclass.py b/Lib/lib2to3/fixes/fix_metaclass.py
index b508f5f..f7840d4 100644
--- a/Lib/lib2to3/fixes/fix_metaclass.py
+++ b/Lib/lib2to3/fixes/fix_metaclass.py
@@ -89,7 +89,7 @@ def fixup_simple_stmt(parent, i, stmt_node):
     parent.insert_child(i, new_stmt)
     new_leaf1 = new_stmt.children[0].children[0]
     old_leaf1 = stmt_node.children[0].children[0]
-    new_leaf1.set_prefix(old_leaf1.get_prefix())
+    new_leaf1.prefix = old_leaf1.prefix
 
 
 def remove_trailing_newline(node):
@@ -136,7 +136,7 @@ def fixup_indent(suite):
         node = kids.pop()
         if isinstance(node, Leaf) and node.type != token.DEDENT:
             if node.prefix:
-                node.set_prefix('')
+                node.prefix = ''
             return
         else:
             kids.extend(node.children[::-1])
@@ -191,19 +191,19 @@ class FixMetaclass(fixer_base.BaseFix):
         # now stick the metaclass in the arglist
         meta_txt = last_metaclass.children[0].children[0]
         meta_txt.value = 'metaclass'
-        orig_meta_prefix = meta_txt.get_prefix()
+        orig_meta_prefix = meta_txt.prefix
 
         if arglist.children:
             arglist.append_child(Leaf(token.COMMA, ','))
-            meta_txt.set_prefix(' ')
+            meta_txt.prefix = ' '
         else:
-            meta_txt.set_prefix('')
+            meta_txt.prefix = ''
 
         # compact the expression "metaclass = Meta" -> "metaclass=Meta"
         expr_stmt = last_metaclass.children[0]
         assert expr_stmt.type == syms.expr_stmt
-        expr_stmt.children[1].set_prefix('')
-        expr_stmt.children[2].set_prefix('')
+        expr_stmt.children[1].prefix = ''
+        expr_stmt.children[2].prefix = ''
 
         arglist.append_child(last_metaclass)
 
@@ -214,7 +214,7 @@ class FixMetaclass(fixer_base.BaseFix):
             # one-liner that was just __metaclass_
             suite.remove()
             pass_leaf = Leaf(text_type, 'pass')
-            pass_leaf.set_prefix(orig_meta_prefix)
+            pass_leaf.prefix = orig_meta_prefix
             node.append_child(pass_leaf)
             node.append_child(Leaf(token.NEWLINE, '\n'))
 
diff --git a/Lib/lib2to3/fixes/fix_methodattrs.py b/Lib/lib2to3/fixes/fix_methodattrs.py
index ae4096c..f1bf78a 100644
--- a/Lib/lib2to3/fixes/fix_methodattrs.py
+++ b/Lib/lib2to3/fixes/fix_methodattrs.py
@@ -20,4 +20,4 @@ class FixMethodattrs(fixer_base.BaseFix):
     def transform(self, node, results):
         attr = results["attr"][0]
         new = MAP[attr.value]
-        attr.replace(Name(new, prefix=attr.get_prefix()))
+        attr.replace(Name(new, prefix=attr.prefix))
diff --git a/Lib/lib2to3/fixes/fix_ne.py b/Lib/lib2to3/fixes/fix_ne.py
index 382f43d..1472036 100644
--- a/Lib/lib2to3/fixes/fix_ne.py
+++ b/Lib/lib2to3/fixes/fix_ne.py
@@ -17,6 +17,5 @@ class FixNe(fixer_base.BaseFix):
         return node.type == token.NOTEQUAL and node.value == "<>"
 
     def transform(self, node, results):
-        new = pytree.Leaf(token.NOTEQUAL, "!=")
-        new.set_prefix(node.get_prefix())
+        new = pytree.Leaf(token.NOTEQUAL, "!=", prefix=node.prefix)
         return new
diff --git a/Lib/lib2to3/fixes/fix_next.py b/Lib/lib2to3/fixes/fix_next.py
index 492b515..c999d6f 100644
--- a/Lib/lib2to3/fixes/fix_next.py
+++ b/Lib/lib2to3/fixes/fix_next.py
@@ -48,17 +48,16 @@ class FixNext(fixer_base.BaseFix):
         base = results.get("base")
         attr = results.get("attr")
         name = results.get("name")
-        mod = results.get("mod")
 
         if base:
             if self.shadowed_next:
-                attr.replace(Name("__next__", prefix=attr.get_prefix()))
+                attr.replace(Name("__next__", prefix=attr.prefix))
             else:
                 base = [n.clone() for n in base]
-                base[0].set_prefix("")
-                node.replace(Call(Name("next", prefix=node.get_prefix()), base))
+                base[0].prefix = ""
+                node.replace(Call(Name("next", prefix=node.prefix), base))
         elif name:
-            n = Name("__next__", prefix=name.get_prefix())
+            n = Name("__next__", prefix=name.prefix)
             name.replace(n)
         elif attr:
             # We don't do this transformation if we're assigning to "x.next".
diff --git a/Lib/lib2to3/fixes/fix_nonzero.py b/Lib/lib2to3/fixes/fix_nonzero.py
index abb1f4e..cd39dc3 100644
--- a/Lib/lib2to3/fixes/fix_nonzero.py
+++ b/Lib/lib2to3/fixes/fix_nonzero.py
@@ -16,5 +16,5 @@ class FixNonzero(fixer_base.BaseFix):
 
     def transform(self, node, results):
         name = results["name"]
-        new = Name("__bool__", prefix=name.get_prefix())
+        new = Name("__bool__", prefix=name.prefix)
         name.replace(new)
diff --git a/Lib/lib2to3/fixes/fix_numliterals.py b/Lib/lib2to3/fixes/fix_numliterals.py
index d821e39..6552740 100644
--- a/Lib/lib2to3/fixes/fix_numliterals.py
+++ b/Lib/lib2to3/fixes/fix_numliterals.py
@@ -24,4 +24,4 @@ class FixNumliterals(fixer_base.BaseFix):
         elif val.startswith('0') and val.isdigit() and len(set(val)) > 1:
             val = "0o" + val[1:]
 
-        return Number(val, prefix=node.get_prefix())
+        return Number(val, prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_paren.py b/Lib/lib2to3/fixes/fix_paren.py
index 0b72bb1..71af238 100644
--- a/Lib/lib2to3/fixes/fix_paren.py
+++ b/Lib/lib2to3/fixes/fix_paren.py
@@ -36,7 +36,7 @@ class FixParen(fixer_base.BaseFix):
         target = results["target"]
 
         lparen = LParen()
-        lparen.set_prefix(target.get_prefix())
-        target.set_prefix("") # Make it hug the parentheses
+        lparen.prefix = target.prefix
+        target.prefix = "" # Make it hug the parentheses
         target.insert_child(0, lparen)
         target.append_child(RParen())
diff --git a/Lib/lib2to3/fixes/fix_print.py b/Lib/lib2to3/fixes/fix_print.py
index 134a972..abce251 100644
--- a/Lib/lib2to3/fixes/fix_print.py
+++ b/Lib/lib2to3/fixes/fix_print.py
@@ -45,7 +45,7 @@ class FixPrint(fixer_base.ConditionalFix):
         if bare_print:
             # Special-case print all by itself
             bare_print.replace(Call(Name("print"), [],
-                               prefix=bare_print.get_prefix()))
+                               prefix=bare_print.prefix))
             return
         assert node.children[0] == Name("print")
         args = node.children[1:]
@@ -65,7 +65,7 @@ class FixPrint(fixer_base.ConditionalFix):
         # Now synthesize a print(args, sep=..., end=..., file=...) node.
         l_args = [arg.clone() for arg in args]
         if l_args:
-            l_args[0].set_prefix("")
+            l_args[0].prefix = ""
         if sep is not None or end is not None or file is not None:
             if sep is not None:
                 self.add_kwarg(l_args, "sep", String(repr(sep)))
@@ -74,17 +74,17 @@ class FixPrint(fixer_base.ConditionalFix):
             if file is not None:
                 self.add_kwarg(l_args, "file", file)
         n_stmt = Call(Name("print"), l_args)
-        n_stmt.set_prefix(node.get_prefix())
+        n_stmt.prefix = node.prefix
         return n_stmt
 
     def add_kwarg(self, l_nodes, s_kwd, n_expr):
         # XXX All this prefix-setting may lose comments (though rarely)
-        n_expr.set_prefix("")
+        n_expr.prefix = ""
         n_argument = pytree.Node(self.syms.argument,
                                  (Name(s_kwd),
                                   pytree.Leaf(token.EQUAL, "="),
                                   n_expr))
         if l_nodes:
             l_nodes.append(Comma())
-            n_argument.set_prefix(" ")
+            n_argument.prefix = " "
         l_nodes.append(n_argument)
diff --git a/Lib/lib2to3/fixes/fix_raise.py b/Lib/lib2to3/fixes/fix_raise.py
index be785f5..8f17534 100644
--- a/Lib/lib2to3/fixes/fix_raise.py
+++ b/Lib/lib2to3/fixes/fix_raise.py
@@ -52,31 +52,31 @@ class FixRaise(fixer_base.BaseFix):
                 # exc.children[1:-1] is the unparenthesized tuple
                 # exc.children[1].children[0] is the first element of the tuple
                 exc = exc.children[1].children[0].clone()
-            exc.set_prefix(" ")
+            exc.prefix = " "
 
         if "val" not in results:
             # One-argument raise
             new = pytree.Node(syms.raise_stmt, [Name("raise"), exc])
-            new.set_prefix(node.get_prefix())
+            new.prefix = node.prefix
             return new
 
         val = results["val"].clone()
         if is_tuple(val):
             args = [c.clone() for c in val.children[1:-1]]
         else:
-            val.set_prefix("")
+            val.prefix = ""
             args = [val]
 
         if "tb" in results:
             tb = results["tb"].clone()
-            tb.set_prefix("")
+            tb.prefix = ""
 
             e = Call(exc, args)
             with_tb = Attr(e, Name('with_traceback')) + [ArgList([tb])]
             new = pytree.Node(syms.simple_stmt, [Name("raise")] + with_tb)
-            new.set_prefix(node.get_prefix())
+            new.prefix = node.prefix
             return new
         else:
             return pytree.Node(syms.raise_stmt,
                                [Name("raise"), Call(exc, args)],
-                               prefix=node.get_prefix())
+                               prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_raw_input.py b/Lib/lib2to3/fixes/fix_raw_input.py
index 53e7a32..fca7129 100644
--- a/Lib/lib2to3/fixes/fix_raw_input.py
+++ b/Lib/lib2to3/fixes/fix_raw_input.py
@@ -13,4 +13,4 @@ class FixRawInput(fixer_base.BaseFix):
 
     def transform(self, node, results):
         name = results["name"]
-        name.replace(Name("input", prefix=name.get_prefix()))
+        name.replace(Name("input", prefix=name.prefix))
diff --git a/Lib/lib2to3/fixes/fix_renames.py b/Lib/lib2to3/fixes/fix_renames.py
index 3049610..275e23f 100644
--- a/Lib/lib2to3/fixes/fix_renames.py
+++ b/Lib/lib2to3/fixes/fix_renames.py
@@ -66,4 +66,4 @@ class FixRenames(fixer_base.BaseFix):
 
         if mod_name and attr_name:
             new_attr = LOOKUP[(mod_name.value, attr_name.value)]
-            attr_name.replace(Name(new_attr, prefix=attr_name.get_prefix()))
+            attr_name.replace(Name(new_attr, prefix=attr_name.prefix))
diff --git a/Lib/lib2to3/fixes/fix_repr.py b/Lib/lib2to3/fixes/fix_repr.py
index 0bc6ba6..7ddd096 100644
--- a/Lib/lib2to3/fixes/fix_repr.py
+++ b/Lib/lib2to3/fixes/fix_repr.py
@@ -19,4 +19,4 @@ class FixRepr(fixer_base.BaseFix):
 
         if expr.type == self.syms.testlist1:
             expr = parenthesize(expr)
-        return Call(Name("repr"), [expr], prefix=node.get_prefix())
+        return Call(Name("repr"), [expr], prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_set_literal.py b/Lib/lib2to3/fixes/fix_set_literal.py
index 35743d2..b3c267c 100644
--- a/Lib/lib2to3/fixes/fix_set_literal.py
+++ b/Lib/lib2to3/fixes/fix_set_literal.py
@@ -38,15 +38,15 @@ class FixSetLiteral(fixer_base.BaseFix):
         literal.extend(n.clone() for n in items.children)
         literal.append(pytree.Leaf(token.RBRACE, "}"))
         # Set the prefix of the right brace to that of the ')' or ']'
-        literal[-1].set_prefix(items.next_sibling.get_prefix())
+        literal[-1].prefix = items.next_sibling.prefix
         maker = pytree.Node(syms.dictsetmaker, literal)
-        maker.set_prefix(node.get_prefix())
+        maker.prefix = node.prefix
 
         # If the original was a one tuple, we need to remove the extra comma.
         if len(maker.children) == 4:
             n = maker.children[2]
             n.remove()
-            maker.children[-1].set_prefix(n.get_prefix())
+            maker.children[-1].prefix = n.prefix
 
         # Finally, replace the set call with our shiny new literal.
         return maker
diff --git a/Lib/lib2to3/fixes/fix_standarderror.py b/Lib/lib2to3/fixes/fix_standarderror.py
index 4f87014..78d5a7e 100644
--- a/Lib/lib2to3/fixes/fix_standarderror.py
+++ b/Lib/lib2to3/fixes/fix_standarderror.py
@@ -15,4 +15,4 @@ class FixStandarderror(fixer_base.BaseFix):
               """
 
     def transform(self, node, results):
-        return Name("Exception", prefix=node.get_prefix())
+        return Name("Exception", prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_sys_exc.py b/Lib/lib2to3/fixes/fix_sys_exc.py
index 18d9363..e041e6e 100644
--- a/Lib/lib2to3/fixes/fix_sys_exc.py
+++ b/Lib/lib2to3/fixes/fix_sys_exc.py
@@ -22,8 +22,8 @@ class FixSysExc(fixer_base.BaseFix):
         sys_attr = results["attribute"][0]
         index = Number(self.exc_info.index(sys_attr.value))
 
-        call = Call(Name("exc_info"), prefix=sys_attr.get_prefix())
+        call = Call(Name("exc_info"), prefix=sys_attr.prefix)
         attr = Attr(Name("sys"), call)
-        attr[1].children[0].set_prefix(results["dot"].get_prefix())
+        attr[1].children[0].prefix = results["dot"].prefix
         attr.append(Subscript(index))
-        return Node(syms.power, attr, prefix=node.get_prefix())
+        return Node(syms.power, attr, prefix=node.prefix)
diff --git a/Lib/lib2to3/fixes/fix_throw.py b/Lib/lib2to3/fixes/fix_throw.py
index bf86d84..6096348 100644
--- a/Lib/lib2to3/fixes/fix_throw.py
+++ b/Lib/lib2to3/fixes/fix_throw.py
@@ -40,14 +40,14 @@ class FixThrow(fixer_base.BaseFix):
         if is_tuple(val):
             args = [c.clone() for c in val.children[1:-1]]
         else:
-            val.set_prefix("")
+            val.prefix = ""
             args = [val]
 
         throw_args = results["args"]
 
         if "tb" in results:
             tb = results["tb"].clone()
-            tb.set_prefix("")
+            tb.prefix = ""
 
             e = Call(exc, args)
             with_tb = Attr(e, Name('with_traceback')) + [ArgList([tb])]
diff --git a/Lib/lib2to3/fixes/fix_tuple_params.py b/Lib/lib2to3/fixes/fix_tuple_params.py
index fb29f5c..41b8dc2 100644
--- a/Lib/lib2to3/fixes/fix_tuple_params.py
+++ b/Lib/lib2to3/fixes/fix_tuple_params.py
@@ -63,10 +63,10 @@ class FixTupleParams(fixer_base.BaseFix):
         def handle_tuple(tuple_arg, add_prefix=False):
             n = Name(self.new_name())
             arg = tuple_arg.clone()
-            arg.set_prefix("")
+            arg.prefix = ""
             stmt = Assign(arg, n.clone())
             if add_prefix:
-                n.set_prefix(" ")
+                n.prefix = " "
             tuple_arg.replace(n)
             new_lines.append(pytree.Node(syms.simple_stmt,
                                          [stmt, end.clone()]))
@@ -91,14 +91,14 @@ class FixTupleParams(fixer_base.BaseFix):
         # TODO(cwinter) suite-cleanup
         after = start
         if start == 0:
-            new_lines[0].set_prefix(" ")
+            new_lines[0].prefix = " "
         elif is_docstring(suite[0].children[start]):
-            new_lines[0].set_prefix(indent)
+            new_lines[0].prefix = indent
             after = start + 1
 
         suite[0].children[after:after] = new_lines
         for i in range(after+1, after+len(new_lines)+1):
-            suite[0].children[i].set_prefix(indent)
+            suite[0].children[i].prefix = indent
         suite[0].changed()
 
     def transform_lambda(self, node, results):
@@ -109,7 +109,7 @@ class FixTupleParams(fixer_base.BaseFix):
         # Replace lambda ((((x)))): x  with lambda x: x
         if inner.type == token.NAME:
             inner = inner.clone()
-            inner.set_prefix(" ")
+            inner.prefix = " "
             args.replace(inner)
             return
 
@@ -124,7 +124,7 @@ class FixTupleParams(fixer_base.BaseFix):
                 subscripts = [c.clone() for c in to_index[n.value]]
                 new = pytree.Node(syms.power,
                                   [new_param.clone()] + subscripts)
-                new.set_prefix(n.get_prefix())
+                new.prefix = n.prefix
                 n.replace(new)
 
 
diff --git a/Lib/lib2to3/fixes/fix_types.py b/Lib/lib2to3/fixes/fix_types.py
index 445f1b2..2f63cdf 100644
--- a/Lib/lib2to3/fixes/fix_types.py
+++ b/Lib/lib2to3/fixes/fix_types.py
@@ -58,5 +58,5 @@ class FixTypes(fixer_base.BaseFix):
     def transform(self, node, results):
         new_value = _TYPE_MAPPING.get(results["name"].value)
         if new_value:
-            return Name(new_value, prefix=node.get_prefix())
+            return Name(new_value, prefix=node.prefix)
         return None
diff --git a/Lib/lib2to3/fixes/fix_unicode.py b/Lib/lib2to3/fixes/fix_unicode.py
index 7f5cc80..393396e 100644
--- a/Lib/lib2to3/fixes/fix_unicode.py
+++ b/Lib/lib2to3/fixes/fix_unicode.py
@@ -6,23 +6,20 @@ import re
 from ..pgen2 import token
 from .. import fixer_base
 
+_mapping = {"unichr" : "chr", "unicode" : "str"}
+_literal_re = re.compile(r"[uU][rR]?[\'\"]")
+
 class FixUnicode(fixer_base.BaseFix):
 
-    PATTERN = "STRING | NAME<'unicode' | 'unichr'>"
+    PATTERN = "STRING | 'unicode' | 'unichr'"
 
     def transform(self, node, results):
         if node.type == token.NAME:
-            if node.value == "unicode":
-                new = node.clone()
-                new.value = "str"
-                return new
-            if node.value == "unichr":
-                new = node.clone()
-                new.value = "chr"
-                return new
-            # XXX Warn when __unicode__ found?
+            new = node.clone()
+            new.value = _mapping[node.value]
+            return new
         elif node.type == token.STRING:
-            if re.match(r"[uU][rR]?[\'\"]", node.value):
+            if _literal_re.match(node.value):
                 new = node.clone()
                 new.value = new.value[1:]
                 return new
diff --git a/Lib/lib2to3/fixes/fix_urllib.py b/Lib/lib2to3/fixes/fix_urllib.py
index f262537..a89266e 100644
--- a/Lib/lib2to3/fixes/fix_urllib.py
+++ b/Lib/lib2to3/fixes/fix_urllib.py
@@ -78,7 +78,7 @@ class FixUrllib(FixImports):
            replacements.
         """
         import_mod = results.get('module')
-        pref = import_mod.get_prefix()
+        pref = import_mod.prefix
 
         names = []
 
@@ -94,7 +94,7 @@ class FixUrllib(FixImports):
            module.
         """
         mod_member = results.get('mod_member')
-        pref = mod_member.get_prefix()
+        pref = mod_member.prefix
         member = results.get('member')
 
         # Simple case with only a single member being imported
@@ -162,7 +162,7 @@ class FixUrllib(FixImports):
                 break
         if new_name:
             module_dot.replace(Name(new_name,
-                                    prefix=module_dot.get_prefix()))
+                                    prefix=module_dot.prefix))
         else:
             self.cannot_convert(node, 'This is an invalid module element')
 
diff --git a/Lib/lib2to3/fixes/fix_ws_comma.py b/Lib/lib2to3/fixes/fix_ws_comma.py
index e493498..a54a376 100644
--- a/Lib/lib2to3/fixes/fix_ws_comma.py
+++ b/Lib/lib2to3/fixes/fix_ws_comma.py
@@ -26,14 +26,14 @@ class FixWsComma(fixer_base.BaseFix):
         comma = False
         for child in new.children:
             if child in self.SEPS:
-                prefix = child.get_prefix()
+                prefix = child.prefix
                 if prefix.isspace() and "\n" not in prefix:
-                    child.set_prefix("")
+                    child.prefix = ""
                 comma = True
             else:
                 if comma:
-                    prefix = child.get_prefix()
+                    prefix = child.prefix
                     if not prefix:
-                        child.set_prefix(" ")
+                        child.prefix = " "
                 comma = False
         return new
diff --git a/Lib/lib2to3/fixes/fix_xrange.py b/Lib/lib2to3/fixes/fix_xrange.py
index ca8f21a..677556b 100644
--- a/Lib/lib2to3/fixes/fix_xrange.py
+++ b/Lib/lib2to3/fixes/fix_xrange.py
@@ -28,14 +28,14 @@ class FixXrange(fixer_base.BaseFix):
 
     def transform_xrange(self, node, results):
         name = results["name"]
-        name.replace(Name("range", prefix=name.get_prefix()))
+        name.replace(Name("range", prefix=name.prefix))
 
     def transform_range(self, node, results):
         if not self.in_special_context(node):
             range_call = Call(Name("range"), [results["args"].clone()])
             # Encase the range call in list().
             list_call = Call(Name("list"), [range_call],
-                             prefix=node.get_prefix())
+                             prefix=node.prefix)
             # Put things that were after the range() call after the list call.
             for n in results["rest"]:
                 list_call.append_child(n)
diff --git a/Lib/lib2to3/fixes/fix_xreadlines.py b/Lib/lib2to3/fixes/fix_xreadlines.py
index 2d3f3c8..94f5254 100644
--- a/Lib/lib2to3/fixes/fix_xreadlines.py
+++ b/Lib/lib2to3/fixes/fix_xreadlines.py
@@ -19,6 +19,6 @@ class FixXreadlines(fixer_base.BaseFix):
         no_call = results.get("no_call")
 
         if no_call:
-            no_call.replace(Name("__iter__", prefix=no_call.get_prefix()))
+            no_call.replace(Name("__iter__", prefix=no_call.prefix))
         else:
             node.replace([x.clone() for x in results["call"]])
diff --git a/Lib/lib2to3/fixes/fix_zip.py b/Lib/lib2to3/fixes/fix_zip.py
index 08296c0..fb73c7b 100644
--- a/Lib/lib2to3/fixes/fix_zip.py
+++ b/Lib/lib2to3/fixes/fix_zip.py
@@ -28,7 +28,7 @@ class FixZip(fixer_base.ConditionalFix):
             return None
 
         new = node.clone()
-        new.set_prefix("")
+        new.prefix = ""
         new = Call(Name("list"), [new])
-        new.set_prefix(node.get_prefix())
+        new.prefix = node.prefix
         return new
diff --git a/Lib/lib2to3/patcomp.py b/Lib/lib2to3/patcomp.py
index 076fdc1..24251cb 100644
--- a/Lib/lib2to3/patcomp.py
+++ b/Lib/lib2to3/patcomp.py
@@ -14,10 +14,7 @@ __author__ = "Guido van Rossum <guido@python.org>"
 import os
 
 # Fairly local imports
-from .pgen2 import driver
-from .pgen2 import literals
-from .pgen2 import token
-from .pgen2 import tokenize
+from .pgen2 import driver, literals, token, tokenize, parse
 
 # Really local imports
 from . import pytree
@@ -28,6 +25,10 @@ _PATTERN_GRAMMAR_FILE = os.path.join(os.path.dirname(__file__),
                                      "PatternGrammar.txt")
 
 
+class PatternSyntaxError(Exception):
+    pass
+
+
 def tokenize_wrapper(input):
     """Tokenizes a string suppressing significant whitespace."""
     skip = set((token.NEWLINE, token.INDENT, token.DEDENT))
@@ -54,7 +55,10 @@ class PatternCompiler(object):
     def compile_pattern(self, input, debug=False):
         """Compiles a pattern string to a nested pytree.*Pattern object."""
         tokens = tokenize_wrapper(input)
-        root = self.driver.parse_tokens(tokens, debug=debug)
+        try:
+            root = self.driver.parse_tokens(tokens, debug=debug)
+        except parse.ParseError as e:
+            raise PatternSyntaxError(str(e))
         return self.compile_node(root)
 
     def compile_node(self, node):
@@ -139,7 +143,9 @@ class PatternCompiler(object):
             value = node.value
             if value.isupper():
                 if value not in TOKEN_MAP:
-                    raise SyntaxError("Invalid token: %r" % value)
+                    raise PatternSyntaxError("Invalid token: %r" % value)
+                if nodes[1:]:
+                    raise PatternSyntaxError("Can't have details for token")
                 return pytree.LeafPattern(TOKEN_MAP[value])
             else:
                 if value == "any":
@@ -147,7 +153,7 @@ class PatternCompiler(object):
                 elif not value.startswith("_"):
                     type = getattr(self.pysyms, value, None)
                     if type is None:
-                        raise SyntaxError("Invalid symbol: %r" % value)
+                        raise PatternSyntaxError("Invalid symbol: %r" % value)
                 if nodes[1:]: # Details present
                     content = [self.compile_node(nodes[1].children[1])]
                 else:
diff --git a/Lib/lib2to3/pytree.py b/Lib/lib2to3/pytree.py
index c60f107..f6df3a0 100644
--- a/Lib/lib2to3/pytree.py
+++ b/Lib/lib2to3/pytree.py
@@ -13,6 +13,7 @@ There's also a pattern matching implementation here.
 __author__ = "Guido van Rossum <guido@python.org>"
 
 import sys
+import warnings
 from io import StringIO
 
 
@@ -111,17 +112,21 @@ class Base(object):
         """
         Set the prefix for the node (see Leaf class).
 
-        This must be implemented by the concrete subclass.
+        DEPRECATED; use the prefix property directly.
         """
-        raise NotImplementedError
+        warnings.warn("set_prefix() is deprecated; use the prefix property",
+                      DeprecationWarning, stacklevel=2)
+        self.prefix = prefix
 
     def get_prefix(self):
         """
         Return the prefix for the node (see Leaf class).
 
-        This must be implemented by the concrete subclass.
+        DEPRECATED; use the prefix property directly.
         """
-        raise NotImplementedError
+        warnings.warn("get_prefix() is deprecated; use the prefix property",
+                      DeprecationWarning, stacklevel=2)
+        return self.prefix
 
     def replace(self, new):
         """Replace this node with a new one in the parent."""
@@ -209,12 +214,12 @@ class Base(object):
     def get_suffix(self):
         """
         Return the string immediately following the invocant node. This is
-        effectively equivalent to node.next_sibling.get_prefix()
+        effectively equivalent to node.next_sibling.prefix
         """
         next_sib = self.next_sibling
         if next_sib is None:
             return ""
-        return next_sib.get_prefix()
+        return next_sib.prefix
 
     if sys.version_info < (3, 0):
         def __str__(self):
@@ -241,7 +246,7 @@ class Node(Base):
             assert ch.parent is None, repr(ch)
             ch.parent = self
         if prefix is not None:
-            self.set_prefix(prefix)
+            self.prefix = prefix
 
     def __repr__(self):
         """Return a canonical string representation."""
@@ -282,24 +287,19 @@ class Node(Base):
             for node in child.post_order():
                 yield node
 
-    def set_prefix(self, prefix):
-        """
-        Set the prefix for the node.
-
-        This passes the responsibility on to the first child.
-        """
-        if self.children:
-            self.children[0].set_prefix(prefix)
-
-    def get_prefix(self):
+    @property
+    def prefix(self):
         """
-        Return the prefix for the node.
-
-        This passes the call on to the first child.
+        The whitespace and comments preceding this node in the input.
         """
         if not self.children:
             return ""
-        return self.children[0].get_prefix()
+        return self.children[0].prefix
+
+    @prefix.setter
+    def prefix(self, prefix):
+        if self.children:
+            self.children[0].prefix = prefix
 
     def set_child(self, i, child):
         """
@@ -335,9 +335,9 @@ class Leaf(Base):
     """Concrete implementation for leaf nodes."""
 
     # Default values for instance variables
-    prefix = ""  # Whitespace and comments preceding this token in the input
-    lineno = 0   # Line where this token starts in the input
-    column = 0   # Column where this token tarts in the input
+    _prefix = ""  # Whitespace and comments preceding this token in the input
+    lineno = 0    # Line where this token starts in the input
+    column = 0    # Column where this token tarts in the input
 
     def __init__(self, type, value, context=None, prefix=None):
         """
@@ -348,11 +348,11 @@ class Leaf(Base):
         """
         assert 0 <= type < 256, type
         if context is not None:
-            self.prefix, (self.lineno, self.column) = context
+            self._prefix, (self.lineno, self.column) = context
         self.type = type
         self.value = value
         if prefix is not None:
-            self.prefix = prefix
+            self._prefix = prefix
 
     def __repr__(self):
         """Return a canonical string representation."""
@@ -388,14 +388,17 @@ class Leaf(Base):
         """Return a pre-order iterator for the tree."""
         yield self
 
-    def set_prefix(self, prefix):
-        """Set the prefix for the node."""
-        self.changed()
-        self.prefix = prefix
+    @property
+    def prefix(self):
+        """
+        The whitespace and comments preceding this token in the input.
+        """
+        return self._prefix
 
-    def get_prefix(self):
-        """Return the prefix for the node."""
-        return self.prefix
+    @prefix.setter
+    def prefix(self, prefix):
+        self.changed()
+        self._prefix = prefix
 
 
 def convert(gr, raw_node):
diff --git a/Lib/lib2to3/refactor.py b/Lib/lib2to3/refactor.py
index 82a98d1..c5398c8 100755
--- a/Lib/lib2to3/refactor.py
+++ b/Lib/lib2to3/refactor.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python2.5
 # Copyright 2006 Google, Inc. All Rights Reserved.
 # Licensed to PSF under a Contributor Agreement.
 
@@ -23,11 +22,7 @@ from itertools import chain
 
 # Local imports
 from .pgen2 import driver, tokenize
-
-from . import pytree
-from . import patcomp
-from . import fixes
-from . import pygram
+from . import pytree, pygram
 
 
 def get_all_fix_names(fixer_pkg, remove_prefix=True):
diff --git a/Lib/lib2to3/tests/data/different_encoding.py b/Lib/lib2to3/tests/data/different_encoding.py
index 4bb82bd..888f51f 100644
--- a/Lib/lib2to3/tests/data/different_encoding.py
+++ b/Lib/lib2to3/tests/data/different_encoding.py
@@ -1,4 +1,3 @@
 #!/usr/bin/env python
 # -*- coding: iso-8859-1 -*-
-print(u'��������������������������������������������������������������')
-
+print u'��������������������������������������������������������������'
diff --git a/Lib/lib2to3/tests/data/fixers/myfixes/fix_parrot.py b/Lib/lib2to3/tests/data/fixers/myfixes/fix_parrot.py
index 6bd2f49..6db79ad 100644
--- a/Lib/lib2to3/tests/data/fixers/myfixes/fix_parrot.py
+++ b/Lib/lib2to3/tests/data/fixers/myfixes/fix_parrot.py
@@ -10,4 +10,4 @@ class FixParrot(BaseFix):
 
     def transform(self, node, results):
         name = results["name"]
-        name.replace(Name("cheese", name.get_prefix()))
+        name.replace(Name("cheese", name.prefix))
diff --git a/Lib/lib2to3/tests/data/py2_test_grammar.py b/Lib/lib2to3/tests/data/py2_test_grammar.py
index dc794e2..17f9f4c 100644
--- a/Lib/lib2to3/tests/data/py2_test_grammar.py
+++ b/Lib/lib2to3/tests/data/py2_test_grammar.py
@@ -1,5 +1,3 @@
-# Python 2's Lib/test/test_grammar.py (r66189)
-
 # Python test set -- part 1, grammar.
 # This just tests whether the parser accepts them all.
 
@@ -922,6 +920,26 @@ hello world
         self.assertEqual([x for x, in [(4,), (5,), (6,)]], [4, 5, 6])
         self.assertEqual(list(x for x, in [(7,), (8,), (9,)]), [7, 8, 9])
 
+    def test_with_statement(self):
+        class manager(object):
+            def __enter__(self):
+                return (1, 2)
+            def __exit__(self, *args):
+                pass
+
+        with manager():
+            pass
+        with manager() as x:
+            pass
+        with manager() as (x, y):
+            pass
+        with manager(), manager():
+            pass
+        with manager() as x, manager() as y:
+            pass
+        with manager() as x, manager():
+            pass
+
     def testIfElseExpr(self):
         # Test ifelse expressions in various cases
         def _checkeval(msg, ret):
diff --git a/Lib/lib2to3/tests/data/py3_test_grammar.py b/Lib/lib2to3/tests/data/py3_test_grammar.py
index eadf1db..977f0b8 100644
--- a/Lib/lib2to3/tests/data/py3_test_grammar.py
+++ b/Lib/lib2to3/tests/data/py3_test_grammar.py
@@ -868,6 +868,26 @@ class GrammarTests(unittest.TestCase):
         self.assertEqual([x for x, in [(4,), (5,), (6,)]], [4, 5, 6])
         self.assertEqual(list(x for x, in [(7,), (8,), (9,)]), [7, 8, 9])
 
+    def test_with_statement(self):
+        class manager(object):
+            def __enter__(self):
+                return (1, 2)
+            def __exit__(self, *args):
+                pass
+
+        with manager():
+            pass
+        with manager() as x:
+            pass
+        with manager() as (x, y):
+            pass
+        with manager(), manager():
+            pass
+        with manager() as x, manager() as y:
+            pass
+        with manager() as x, manager():
+            pass
+
     def testIfElseExpr(self):
         # Test ifelse expressions in various cases
         def _checkeval(msg, ret):
diff --git a/Lib/lib2to3/tests/pytree_idempotency.py b/Lib/lib2to3/tests/pytree_idempotency.py
index 3f3ab92..414eb4d 100755
--- a/Lib/lib2to3/tests/pytree_idempotency.py
+++ b/Lib/lib2to3/tests/pytree_idempotency.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2.5
+#!/usr/bin/env python
 # Copyright 2006 Google, Inc. All Rights Reserved.
 # Licensed to PSF under a Contributor Agreement.
 
diff --git a/Lib/lib2to3/tests/support.py b/Lib/lib2to3/tests/support.py
index 8b8468c..6f2d214 100644
--- a/Lib/lib2to3/tests/support.py
+++ b/Lib/lib2to3/tests/support.py
@@ -30,7 +30,7 @@ def run_all_tests(test_mod=None, tests=None):
 def reformat(string):
     return dedent(string) + "\n\n"
 
-def get_refactorer(fixers=None, options=None):
+def get_refactorer(fixer_pkg="lib2to3", fixers=None, options=None):
     """
     A convenience function for creating a RefactoringTool for tests.
 
@@ -39,9 +39,9 @@ def get_refactorer(fixers=None, options=None):
     be passed to the RefactoringTool.
     """
     if fixers is not None:
-        fixers = ["lib2to3.fixes.fix_" + fix for fix in fixers]
+        fixers = [fixer_pkg + ".fixes.fix_" + fix for fix in fixers]
     else:
-        fixers = refactor.get_fixers_from_package("lib2to3.fixes")
+        fixers = refactor.get_fixers_from_package(fixer_pkg + ".fixes")
     options = options or {}
     return refactor.RefactoringTool(fixers, options, explicit=True)
 
diff --git a/Lib/lib2to3/tests/test_all_fixers.py b/Lib/lib2to3/tests/test_all_fixers.py
index 1795ade..8ef222d 100644
--- a/Lib/lib2to3/tests/test_all_fixers.py
+++ b/Lib/lib2to3/tests/test_all_fixers.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python2.5
 """Tests that run all fixer modules over an input stream.
 
 This has been broken out into its own test module because of its
@@ -6,18 +5,13 @@ running time.
 """
 # Author: Collin Winter
 
-# Testing imports
-try:
-    from . import support
-except ImportError:
-    import support
-
 # Python imports
 import unittest
 
 # Local imports
 from .. import pytree
 from .. import refactor
+from . import support
 
 
 class Test_all(support.TestCase):
@@ -29,8 +23,3 @@ class Test_all(support.TestCase):
         for filepath in support.all_project_files():
             print("Fixing %s..." % filepath)
             self.refactor.refactor_file(filepath)
-
-
-if __name__ == "__main__":
-    import __main__
-    support.run_all_tests(__main__)
diff --git a/Lib/lib2to3/tests/test_fixers.py b/Lib/lib2to3/tests/test_fixers.py
index 5076854..2f87fb2 100755
--- a/Lib/lib2to3/tests/test_fixers.py
+++ b/Lib/lib2to3/tests/test_fixers.py
@@ -1,12 +1,4 @@
-#!/usr/bin/env python2.5
 """ Test suite for the fixer modules """
-# Author: Collin Winter
-
-# Testing imports
-try:
-    from tests import support
-except ImportError:
-    from . import support
 
 # Python imports
 import os
@@ -16,14 +8,19 @@ from operator import itemgetter
 
 # Local imports
 from lib2to3 import pygram, pytree, refactor, fixer_util
+from lib2to3.tests import support
 
 
 class FixerTestCase(support.TestCase):
-    def setUp(self, fix_list=None):
+
+    # Other test cases can subclass this class and replace "fixer_pkg" with
+    # their own.
+    def setUp(self, fix_list=None, fixer_pkg="lib2to3", options=None):
         if fix_list is None:
             fix_list = [self.fixer]
-        options = {"print_function" : False}
-        self.refactor = support.get_refactorer(fix_list, options)
+        if options is None:
+            options = {"print_function" : False}
+        self.refactor = support.get_refactorer(fixer_pkg, fix_list, options)
         self.fixer_log = []
         self.filename = "<string>"
 
@@ -62,7 +59,7 @@ class FixerTestCase(support.TestCase):
         fixes = [self.fixer]
         fixes.extend(names)
         options = {"print_function" : False}
-        r = support.get_refactorer(fixes, options)
+        r = support.get_refactorer("lib2to3", fixes, options)
         (pre, post) = r.get_fixers()
         n = "fix_" + self.fixer
         if post and post[-1].__class__.__module__.endswith(n):
@@ -419,6 +416,7 @@ class Test_print(FixerTestCase):
     def test_5(self):
         b = """print; print whatever;"""
         a = """print(); print(whatever);"""
+        self.check(b, a)
 
     def test_tuple(self):
         b = """print (a, b, c)"""
@@ -782,6 +780,52 @@ class Test_except(FixerTestCase):
                 pass"""
         self.check(b, a)
 
+    def test_one_line_suites(self):
+        b = """
+            try: raise TypeError
+            except TypeError, e:
+                pass
+            """
+        a = """
+            try: raise TypeError
+            except TypeError as e:
+                pass
+            """
+        self.check(b, a)
+        b = """
+            try:
+                raise TypeError
+            except TypeError, e: pass
+            """
+        a = """
+            try:
+                raise TypeError
+            except TypeError as e: pass
+            """
+        self.check(b, a)
+        b = """
+            try: raise TypeError
+            except TypeError, e: pass
+            """
+        a = """
+            try: raise TypeError
+            except TypeError as e: pass
+            """
+        self.check(b, a)
+        b = """
+            try: raise TypeError
+            except TypeError, e: pass
+            else: function()
+            finally: done()
+            """
+        a = """
+            try: raise TypeError
+            except TypeError as e: pass
+            else: function()
+            finally: done()
+            """
+        self.check(b, a)
+
     # These should not be touched:
 
     def test_unchanged_1(self):
@@ -2640,11 +2684,29 @@ class Test_renames(FixerTestCase):
 class Test_unicode(FixerTestCase):
     fixer = "unicode"
 
+    def test_whitespace(self):
+        b = """unicode( x)"""
+        a = """str( x)"""
+        self.check(b, a)
+
+        b = """ unicode(x )"""
+        a = """ str(x )"""
+        self.check(b, a)
+
+        b = """ u'h'"""
+        a = """ 'h'"""
+        self.check(b, a)
+
     def test_unicode_call(self):
         b = """unicode(x, y, z)"""
         a = """str(x, y, z)"""
         self.check(b, a)
 
+    def test_unichr(self):
+        b = """unichr(u'h')"""
+        a = """chr('h')"""
+        self.check(b, a)
+
     def test_unicode_literal_1(self):
         b = '''u"x"'''
         a = '''"x"'''
@@ -2656,8 +2718,8 @@ class Test_unicode(FixerTestCase):
         self.check(b, a)
 
     def test_unicode_literal_3(self):
-        b = """UR'''x'''"""
-        a = """R'''x'''"""
+        b = """UR'''x''' """
+        a = """R'''x''' """
         self.check(b, a)
 
 class Test_callable(FixerTestCase):
@@ -3306,6 +3368,11 @@ class Test_buffer(FixerTestCase):
         a = """x = memoryview(y)"""
         self.check(b, a)
 
+    def test_slicing(self):
+        b = """buffer(y)[4:5]"""
+        a = """memoryview(y)[4:5]"""
+        self.check(b, a)
+
 class Test_future(FixerTestCase):
     fixer = "future"
 
@@ -4028,8 +4095,3 @@ class Test_getcwdu(FixerTestCase):
         b = """os.getcwdu (  )"""
         a = """os.getcwd (  )"""
         self.check(b, a)
-
-
-if __name__ == "__main__":
-    import __main__
-    support.run_all_tests(__main__)
diff --git a/Lib/lib2to3/tests/test_parser.py b/Lib/lib2to3/tests/test_parser.py
index 2aa737c..08e7bdc 100644
--- a/Lib/lib2to3/tests/test_parser.py
+++ b/Lib/lib2to3/tests/test_parser.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python2.5
 """Test suite for 2to3's parser and grammar files.
 
 This is the place to add tests for changes to 2to3's grammar, such as those
@@ -6,7 +5,6 @@ merging the grammars for Python 2 and 3. In addition to specific tests for
 parts of the grammar we've changed, we also make sure we can parse the
 test_grammar.py files from both Python 2 and Python 3.
 """
-# Author: Collin Winter
 
 # Testing imports
 from . import support
@@ -198,7 +196,7 @@ class TestLiterals(GrammarTest):
 
 
 def diff(fn, result):
-    f = open("@", "w")
+    f = open("@", "wb")
     try:
         f.write(result)
     finally:
@@ -207,8 +205,3 @@ def diff(fn, result):
         return os.system("diff -u %s @" % fn)
     finally:
         os.remove("@")
-
-
-if __name__ == "__main__":
-    import __main__
-    support.run_all_tests(__main__)
diff --git a/Lib/lib2to3/tests/test_pytree.py b/Lib/lib2to3/tests/test_pytree.py
index 9dc6e07..83a9b18 100755
--- a/Lib/lib2to3/tests/test_pytree.py
+++ b/Lib/lib2to3/tests/test_pytree.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python2.5
 # Copyright 2006 Google, Inc. All Rights Reserved.
 # Licensed to PSF under a Contributor Agreement.
 
@@ -10,11 +9,12 @@ more helpful than printing of (the first line of) the docstring,
 especially when debugging a test.
 """
 
+import warnings
+
 # Testing imports
 from . import support
 
-# Local imports (XXX should become a package)
-from .. import pytree
+from lib2to3 import pytree
 
 try:
     sorted
@@ -28,34 +28,48 @@ class TestNodes(support.TestCase):
 
     """Unit tests for nodes (Base, Leaf, Node)."""
 
-    def testBaseCantConstruct(self):
+    def test_deprecated_prefix_methods(self):
+        l = pytree.Leaf(100, "foo")
+        with warnings.catch_warnings(record=True) as w:
+            self.assertEqual(l.get_prefix(), "")
+            l.set_prefix("hi")
+        self.assertEqual(l.prefix, "hi")
+        self.assertEqual(len(w), 2)
+        for warning in w:
+            self.assertTrue(warning.category is DeprecationWarning)
+        self.assertEqual(str(w[0].message), "get_prefix() is deprecated; " \
+                             "use the prefix property")
+        self.assertEqual(str(w[1].message), "set_prefix() is deprecated; " \
+                             "use the prefix property")
+
+    def test_instantiate_base(self):
         if __debug__:
             # Test that instantiating Base() raises an AssertionError
             self.assertRaises(AssertionError, pytree.Base)
 
-    def testLeaf(self):
+    def test_leaf(self):
         l1 = pytree.Leaf(100, "foo")
         self.assertEqual(l1.type, 100)
         self.assertEqual(l1.value, "foo")
 
-    def testLeafRepr(self):
+    def test_leaf_repr(self):
         l1 = pytree.Leaf(100, "foo")
         self.assertEqual(repr(l1), "Leaf(100, 'foo')")
 
-    def testLeafStr(self):
+    def test_leaf_str(self):
         l1 = pytree.Leaf(100, "foo")
         self.assertEqual(str(l1), "foo")
         l2 = pytree.Leaf(100, "foo", context=(" ", (10, 1)))
         self.assertEqual(str(l2), " foo")
 
-    def testLeafStrNumericValue(self):
+    def test_leaf_str_numeric_value(self):
         # Make sure that the Leaf's value is stringified. Failing to
         #  do this can cause a TypeError in certain situations.
         l1 = pytree.Leaf(2, 5)
-        l1.set_prefix("foo_")
+        l1.prefix = "foo_"
         self.assertEqual(str(l1), "foo_5")
 
-    def testLeafEq(self):
+    def test_leaf_equality(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "foo", context=(" ", (1, 0)))
         self.assertEqual(l1, l2)
@@ -64,67 +78,67 @@ class TestNodes(support.TestCase):
         self.assertNotEqual(l1, l3)
         self.assertNotEqual(l1, l4)
 
-    def testLeafPrefix(self):
+    def test_leaf_prefix(self):
         l1 = pytree.Leaf(100, "foo")
-        self.assertEqual(l1.get_prefix(), "")
+        self.assertEqual(l1.prefix, "")
         self.failIf(l1.was_changed)
-        l1.set_prefix("  ##\n\n")
-        self.assertEqual(l1.get_prefix(), "  ##\n\n")
+        l1.prefix = "  ##\n\n"
+        self.assertEqual(l1.prefix, "  ##\n\n")
         self.failUnless(l1.was_changed)
 
-    def testNode(self):
+    def test_node(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(200, "bar")
         n1 = pytree.Node(1000, [l1, l2])
         self.assertEqual(n1.type, 1000)
         self.assertEqual(n1.children, [l1, l2])
 
-    def testNodeRepr(self):
+    def test_node_repr(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "bar", context=(" ", (1, 0)))
         n1 = pytree.Node(1000, [l1, l2])
         self.assertEqual(repr(n1),
                          "Node(1000, [%s, %s])" % (repr(l1), repr(l2)))
 
-    def testNodeStr(self):
+    def test_node_str(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "bar", context=(" ", (1, 0)))
         n1 = pytree.Node(1000, [l1, l2])
         self.assertEqual(str(n1), "foo bar")
 
-    def testNodePrefix(self):
+    def test_node_prefix(self):
         l1 = pytree.Leaf(100, "foo")
-        self.assertEqual(l1.get_prefix(), "")
+        self.assertEqual(l1.prefix, "")
         n1 = pytree.Node(1000, [l1])
-        self.assertEqual(n1.get_prefix(), "")
-        n1.set_prefix(" ")
-        self.assertEqual(n1.get_prefix(), " ")
-        self.assertEqual(l1.get_prefix(), " ")
+        self.assertEqual(n1.prefix, "")
+        n1.prefix = " "
+        self.assertEqual(n1.prefix, " ")
+        self.assertEqual(l1.prefix, " ")
 
-    def testGetSuffix(self):
+    def test_get_suffix(self):
         l1 = pytree.Leaf(100, "foo", prefix="a")
         l2 = pytree.Leaf(100, "bar", prefix="b")
         n1 = pytree.Node(1000, [l1, l2])
 
-        self.assertEqual(l1.get_suffix(), l2.get_prefix())
+        self.assertEqual(l1.get_suffix(), l2.prefix)
         self.assertEqual(l2.get_suffix(), "")
         self.assertEqual(n1.get_suffix(), "")
 
         l3 = pytree.Leaf(100, "bar", prefix="c")
         n2 = pytree.Node(1000, [n1, l3])
 
-        self.assertEqual(n1.get_suffix(), l3.get_prefix())
+        self.assertEqual(n1.get_suffix(), l3.prefix)
         self.assertEqual(l3.get_suffix(), "")
         self.assertEqual(n2.get_suffix(), "")
 
-    def testNodeEq(self):
+    def test_node_equality(self):
         n1 = pytree.Node(1000, ())
         n2 = pytree.Node(1000, [], context=(" ", (1, 0)))
         self.assertEqual(n1, n2)
         n3 = pytree.Node(1001, ())
         self.assertNotEqual(n1, n3)
 
-    def testNodeEqRecursive(self):
+    def test_node_recursive_equality(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "foo")
         n1 = pytree.Node(1000, [l1])
@@ -134,7 +148,7 @@ class TestNodes(support.TestCase):
         n3 = pytree.Node(1000, [l3])
         self.assertNotEqual(n1, n3)
 
-    def testReplace(self):
+    def test_replace(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "+")
         l3 = pytree.Leaf(100, "bar")
@@ -148,7 +162,7 @@ class TestNodes(support.TestCase):
         self.failUnless(isinstance(n1.children, list))
         self.failUnless(n1.was_changed)
 
-    def testReplaceWithList(self):
+    def test_replace_with_list(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "+")
         l3 = pytree.Leaf(100, "bar")
@@ -158,34 +172,30 @@ class TestNodes(support.TestCase):
         self.assertEqual(str(n1), "foo**bar")
         self.failUnless(isinstance(n1.children, list))
 
-    def testPostOrder(self):
+    def test_post_order(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "bar")
         n1 = pytree.Node(1000, [l1, l2])
         self.assertEqual(list(n1.post_order()), [l1, l2, n1])
 
-    def testPreOrder(self):
+    def test_pre_order(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "bar")
         n1 = pytree.Node(1000, [l1, l2])
         self.assertEqual(list(n1.pre_order()), [n1, l1, l2])
 
-    def testChangedLeaf(self):
+    def test_changed(self):
         l1 = pytree.Leaf(100, "f")
         self.failIf(l1.was_changed)
-
         l1.changed()
         self.failUnless(l1.was_changed)
 
-    def testChangedNode(self):
         l1 = pytree.Leaf(100, "f")
         n1 = pytree.Node(1000, [l1])
         self.failIf(n1.was_changed)
-
         n1.changed()
         self.failUnless(n1.was_changed)
 
-    def testChangedRecursive(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "+")
         l3 = pytree.Leaf(100, "bar")
@@ -200,23 +210,23 @@ class TestNodes(support.TestCase):
         self.failUnless(n2.was_changed)
         self.failIf(l1.was_changed)
 
-    def testLeafConstructorPrefix(self):
+    def test_leaf_constructor_prefix(self):
         for prefix in ("xyz_", ""):
             l1 = pytree.Leaf(100, "self", prefix=prefix)
             self.failUnless(str(l1), prefix + "self")
-            self.assertEqual(l1.get_prefix(), prefix)
+            self.assertEqual(l1.prefix, prefix)
 
-    def testNodeConstructorPrefix(self):
+    def test_node_constructor_prefix(self):
         for prefix in ("xyz_", ""):
             l1 = pytree.Leaf(100, "self")
             l2 = pytree.Leaf(100, "foo", prefix="_")
             n1 = pytree.Node(1000, [l1, l2], prefix=prefix)
             self.failUnless(str(n1), prefix + "self_foo")
-            self.assertEqual(n1.get_prefix(), prefix)
-            self.assertEqual(l1.get_prefix(), prefix)
-            self.assertEqual(l2.get_prefix(), "_")
+            self.assertEqual(n1.prefix, prefix)
+            self.assertEqual(l1.prefix, prefix)
+            self.assertEqual(l2.prefix, "_")
 
-    def testRemove(self):
+    def test_remove(self):
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "foo")
         n1 = pytree.Node(1000, [l1, l2])
@@ -239,7 +249,7 @@ class TestNodes(support.TestCase):
         self.failUnless(n1.was_changed)
         self.failUnless(n2.was_changed)
 
-    def testRemoveParentless(self):
+    def test_remove_parentless(self):
         n1 = pytree.Node(1000, [])
         n1.remove()
         self.assertEqual(n1.parent, None)
@@ -248,7 +258,7 @@ class TestNodes(support.TestCase):
         l1.remove()
         self.assertEqual(l1.parent, None)
 
-    def testNodeSetChild(self):
+    def test_node_set_child(self):
         l1 = pytree.Leaf(100, "foo")
         n1 = pytree.Node(1000, [l1])
 
@@ -269,7 +279,7 @@ class TestNodes(support.TestCase):
         # I don't care what it raises, so long as it's an exception
         self.assertRaises(Exception, n1.set_child, 0, list)
 
-    def testNodeInsertChild(self):
+    def test_node_insert_child(self):
         l1 = pytree.Leaf(100, "foo")
         n1 = pytree.Node(1000, [l1])
 
@@ -285,7 +295,7 @@ class TestNodes(support.TestCase):
         # I don't care what it raises, so long as it's an exception
         self.assertRaises(Exception, n1.insert_child, 0, list)
 
-    def testNodeAppendChild(self):
+    def test_node_append_child(self):
         n1 = pytree.Node(1000, [])
 
         l1 = pytree.Leaf(100, "foo")
@@ -301,7 +311,7 @@ class TestNodes(support.TestCase):
         # I don't care what it raises, so long as it's an exception
         self.assertRaises(Exception, n1.append_child, list)
 
-    def testNodeNextSibling(self):
+    def test_node_next_sibling(self):
         n1 = pytree.Node(1000, [])
         n2 = pytree.Node(1000, [])
         p1 = pytree.Node(1000, [n1, n2])
@@ -310,7 +320,7 @@ class TestNodes(support.TestCase):
         self.assertEqual(n2.next_sibling, None)
         self.assertEqual(p1.next_sibling, None)
 
-    def testLeafNextSibling(self):
+    def test_leaf_next_sibling(self):
         l1 = pytree.Leaf(100, "a")
         l2 = pytree.Leaf(100, "b")
         p1 = pytree.Node(1000, [l1, l2])
@@ -319,7 +329,7 @@ class TestNodes(support.TestCase):
         self.assertEqual(l2.next_sibling, None)
         self.assertEqual(p1.next_sibling, None)
 
-    def testNodePrevSibling(self):
+    def test_node_prev_sibling(self):
         n1 = pytree.Node(1000, [])
         n2 = pytree.Node(1000, [])
         p1 = pytree.Node(1000, [n1, n2])
@@ -328,7 +338,7 @@ class TestNodes(support.TestCase):
         self.assertEqual(n1.prev_sibling, None)
         self.assertEqual(p1.prev_sibling, None)
 
-    def testLeafPrevSibling(self):
+    def test_leaf_prev_sibling(self):
         l1 = pytree.Leaf(100, "a")
         l2 = pytree.Leaf(100, "b")
         p1 = pytree.Node(1000, [l1, l2])
@@ -342,7 +352,7 @@ class TestPatterns(support.TestCase):
 
     """Unit tests for tree matching patterns."""
 
-    def testBasicPatterns(self):
+    def test_basic_patterns(self):
         # Build a tree
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "bar")
@@ -378,7 +388,7 @@ class TestPatterns(support.TestCase):
         self.assertFalse(pn.match(l2, results=r))
         self.assertEqual(r, {})
 
-    def testWildcardPatterns(self):
+    def test_wildcard(self):
         # Build a tree for testing
         l1 = pytree.Leaf(100, "foo")
         l2 = pytree.Leaf(100, "bar")
@@ -409,7 +419,7 @@ class TestPatterns(support.TestCase):
         self.assert_(r["pl"] is l3)
         r = {}
 
-    def testGenerateMatches(self):
+    def test_generate_matches(self):
         la = pytree.Leaf(1, "a")
         lb = pytree.Leaf(1, "b")
         lc = pytree.Leaf(1, "c")
@@ -439,7 +449,7 @@ class TestPatterns(support.TestCase):
         for c in "abcdef":
             self.assertEqual(r["p" + c], pytree.Leaf(1, c))
 
-    def testHasKeyExample(self):
+    def test_has_key_example(self):
         pattern = pytree.NodePattern(331,
                                      (pytree.LeafPattern(7),
                                       pytree.WildcardPattern(name="args"),
@@ -451,8 +461,3 @@ class TestPatterns(support.TestCase):
         r = {}
         self.assert_(pattern.match(node, r))
         self.assertEqual(r["args"], [l2])
-
-
-if __name__ == "__main__":
-    import __main__
-    support.run_all_tests(__main__)
diff --git a/Lib/lib2to3/tests/test_util.py b/Lib/lib2to3/tests/test_util.py
index 95b566a..1de7a83 100644
--- a/Lib/lib2to3/tests/test_util.py
+++ b/Lib/lib2to3/tests/test_util.py
@@ -1,6 +1,4 @@
-#!/usr/bin/env python2.5
 """ Test suite for the code in fixes.util """
-# Author: Collin Winter
 
 # Testing imports
 from . import support
@@ -552,8 +550,3 @@ class Test_touch_import(support.TestCase):
         node = parse('bar()')
         fixer_util.touch_import(None, "cgi", node)
         self.assertEqual(str(node), 'import cgi\nbar()\n\n')
-
-
-if __name__ == "__main__":
-    import __main__
-    support.run_all_tests(__main__)
author	Benjamin Peterson <benjamin@python.org>	2009-06-11 23:47:38 (GMT)
committer	Benjamin Peterson <benjamin@python.org>	2009-06-11 23:47:38 (GMT)
commit	2c3ac6b8757f8fc1dacf6aeaa9a9518d8729d52b (patch)
tree	2c6d71a04c615fc456ec8de0287cd37c4ac7f977 /Lib/lib2to3
parent	be40db07c61030d1855a0d173eb30645968d6586 (diff)
download	cpython-2c3ac6b8757f8fc1dacf6aeaa9a9518d8729d52b.zip cpython-2c3ac6b8757f8fc1dacf6aeaa9a9518d8729d52b.tar.gz cpython-2c3ac6b8757f8fc1dacf6aeaa9a9518d8729d52b.tar.bz2