Merged revisions 76702,76704 via svnmerge from

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

........
  r76702 | tarek.ziade | 2009-12-08 09:56:49 +0100 (Tue, 08 Dec 2009) | 1 line

  Issue #7457: added a read_pkg_file method to distutils.dist.DistributionMetadata so we can read back PKG-INFO files
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  r76704 | tarek.ziade | 2009-12-08 10:39:51 +0100 (Tue, 08 Dec 2009) | 1 line

  removed the usage of rfc822 in favor of email.message.Message
........

Lib/distutils/tests/test_dist.py

@@ -7,7 +7,7 @@ import unittest
 import warnings
 import textwrap
 
-from distutils.dist import Distribution, fix_help_options
+from distutils.dist import Distribution, fix_help_options, DistributionMetadata
 from distutils.cmd import Command
 import distutils.dist
 
@@ -369,6 +369,33 @@ class MetadataTestCase(support.TempdirManager, support.EnvironGuard,
         meta = meta.replace('\n' + 8 * ' ', '\n')
         self.assertTrue(long_desc in meta)
 
+    def test_read_metadata(self):
+        attrs = {"name": "package",
+                 "version": "1.0",
+                 "long_description": "desc",
+                 "description": "xxx",
+                 "download_url": "http://example.com",
+                 "keywords": ['one', 'two'],
+                 "requires": ['foo']}
+
+        dist = Distribution(attrs)
+        metadata = dist.metadata
+
+        # write it then reloads it
+        PKG_INFO = io.StringIO()
+        metadata.write_pkg_file(PKG_INFO)
+        PKG_INFO.seek(0)
+        metadata.read_pkg_file(PKG_INFO)
+
+        self.assertEquals(metadata.name, "package")
+        self.assertEquals(metadata.version, "1.0")
+        self.assertEquals(metadata.description, "xxx")
+        self.assertEquals(metadata.download_url, 'http://example.com')
+        self.assertEquals(metadata.keywords, ['one', 'two'])
+        self.assertEquals(metadata.platforms, ['UNKNOWN'])
+        self.assertEquals(metadata.obsoletes, None)
+        self.assertEquals(metadata.requires, ['foo'])
+
 def test_suite():
     suite = unittest.TestSuite()
     suite.addTest(unittest.makeSuite(DistributionTestCase))