Merged revisions 64863,64868,64870,64942,65001-65002,65017-65018 via svnmerge from

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

........
  r64863 | brett.cannon | 2008-07-10 19:42:32 -0500 (Thu, 10 Jul 2008) | 1 line

  Add urlparse -> urllib.parse to fix_imports.
........
  r64868 | brett.cannon | 2008-07-10 20:00:10 -0500 (Thu, 10 Jul 2008) | 1 line

  Add robotparser -> urllib.robotparser to fix_imports.
........
  r64870 | brett.cannon | 2008-07-11 00:56:27 -0500 (Fri, 11 Jul 2008) | 6 lines

  Fix the fixers for the new dbm package.

  Had to create a new fixer (fix_imports2) which did fixes in post-order. This
  because ``import anydbm`` was being translated into ``import dbm`` which was
  then subsequently changed into ``import dbm.ndbm``; one transform too many.
........
  r64942 | collin.winter | 2008-07-13 20:19:05 -0500 (Sun, 13 Jul 2008) | 1 line

  Add a comment explaining part of fix_imports.py
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  r65001 | brett.cannon | 2008-07-16 00:11:12 -0500 (Wed, 16 Jul 2008) | 2 lines

  Remove some extraneous whitespace.
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  r65002 | brett.cannon | 2008-07-16 00:12:04 -0500 (Wed, 16 Jul 2008) | 4 lines

  Implement a fixer for urllib(2).

  Thanks Nick Edds for the patch.
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  r65017 | benjamin.peterson | 2008-07-16 11:04:19 -0500 (Wed, 16 Jul 2008) | 1 line

  fix 2to3 in Python 2.6
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  r65018 | benjamin.peterson | 2008-07-16 11:55:21 -0500 (Wed, 16 Jul 2008) | 1 line

  normalize whitespace
........

Lib/lib2to3/tests/test_fixers.py

@@ -11,6 +11,7 @@ except ImportError:
 # Python imports
 import unittest
 from itertools import chain
+from operator import itemgetter
 from os.path import dirname, pathsep
 
 # Local imports
@@ -28,8 +29,10 @@ class Options:
         self.verbose = False
 
 class FixerTestCase(support.TestCase):
-    def setUp(self):
-        options = Options(fix=[self.fixer], print_function=False)
+    def setUp(self, fix_list=None):
+        if not fix_list:
+            fix_list = [self.fixer]
+        options = Options(fix=fix_list, print_function=False)
         self.refactor = refactor.RefactoringTool("lib2to3/fixes", options)
         self.fixer_log = []
         self.filename = "<string>"
@@ -1494,6 +1497,95 @@ class Test_imports(FixerTestCase):
             self.check(b, a)
 
 
+class Test_imports2(Test_imports):
+    fixer = "imports2"
+    from ..fixes.fix_imports2 import MAPPING as modules
+
+
+class Test_imports_fixer_order(Test_imports):
+
+    fixer = None
+
+    def setUp(self):
+        Test_imports.setUp(self, ['imports', 'imports2'])
+        from ..fixes.fix_imports2 import MAPPING as mapping2
+        self.modules = mapping2.copy()
+        from ..fixes.fix_imports import MAPPING as mapping1
+        for key in ('dbhash', 'dumbdbm', 'dbm', 'gdbm'):
+            self.modules[key] = mapping1[key]
+
+
+class Test_urllib(FixerTestCase):
+    fixer = "urllib"
+    from ..fixes.fix_urllib import MAPPING as modules
+
+    def test_import_module(self):
+        for old, changes in self.modules.items():
+            b = "import %s" % old
+            a = "import %s" % ", ".join(map(itemgetter(0), changes))
+            self.check(b, a)
+
+    def test_import_from(self):
+        for old, changes in self.modules.items():
+            all_members = []
+            for new, members in changes:
+                for member in members:
+                    all_members.append(member)
+                    b = "from %s import %s" % (old, member)
+                    a = "from %s import %s" % (new, member)
+                    self.check(b, a)
+
+                    s = "from foo import %s" % member
+                    self.unchanged(s)
+
+                b = "from %s import %s" % (old, ", ".join(members))
+                a = "from %s import %s" % (new, ", ".join(members))
+                self.check(b, a)
+
+                s = "from foo import %s" % ", ".join(members)
+                self.unchanged(s)
+
+            # test the breaking of a module into multiple replacements
+            b = "from %s import %s" % (old, ", ".join(all_members))
+            a = "\n".join(["from %s import %s" % (new, ", ".join(members))
+                            for (new, members) in changes])
+            self.check(b, a)
+
+    def test_import_module_as(self):
+        for old in self.modules:
+            s = "import %s as foo" % old
+            self.warns_unchanged(s, "This module is now multiple modules")
+
+    def test_import_from_as(self):
+        for old, changes in self.modules.items():
+            for new, members in changes:
+                for member in members:
+                    b = "from %s import %s as foo_bar" % (old, member)
+                    a = "from %s import %s as foo_bar" % (new, member)
+                    self.check(b, a)
+
+    def test_star(self):
+        for old in self.modules:
+            s = "from %s import *" % old
+            self.warns_unchanged(s, "Cannot handle star imports")
+
+    def test_import_module_usage(self):
+        for old, changes in self.modules.items():
+            for new, members in changes:
+                for member in members:
+                    b = """
+                        import %s
+                        foo(%s.%s)
+                        """ % (old, old, member)
+                    a = """
+                        import %s
+                        foo(%s.%s)
+                        """ % (", ".join([n for (n, mems)
+                                           in self.modules[old]]),
+                                         new, member)
+                    self.check(b, a)
+
+
 class Test_input(FixerTestCase):
     fixer = "input"