Fixed redundant warnings about missing ``README`` file(s); it should now

appear only if you are actually a source distribution.
(backport from trunk)

--HG--
branch : setuptools-0.6
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/branches/setuptools-0.6%4050544

3 files changed, 49 insertions, 5 deletions

diff --git a/setuptools.txt b/setuptools.txt
index 3faec067..a2cce583 100755
--- a/setuptools.txt
+++ b/setuptools.txt
@@ -2570,6 +2570,9 @@ Release Notes/Change History
  * Added ``--no-date`` and ``--no-svn-revision`` options to ``egg_info``
    command, to allow suppressing tags configured in ``setup.cfg``.
 
+ * Fixed redundant warnings about missing ``README`` file(s); it should now
+   appear only if you are actually a source distribution.
+
 0.6b3
  * Fix ``bdist_egg`` not including files in subdirectories of ``.egg-info``.
 
diff --git a/setuptools/command/egg_info.py b/setuptools/command/egg_info.py
index 8c2eb763..39b05866 100755
--- a/setuptools/command/egg_info.py
+++ b/setuptools/command/egg_info.py
@@ -281,9 +281,9 @@ class manifest_maker(sdist):
         self.execute(file_util.write_file, (self.manifest, files),
                      "writing manifest file '%s'" % self.manifest)
 
-
-
-
+    def warn(self, msg):    # suppress missing-file warnings from sdist
+        if not msg.startswith("standard file not found:"):
+            sdist.warn(self, msg)
 
     def add_defaults(self):
         sdist.add_defaults(self)
diff --git a/setuptools/command/sdist.py b/setuptools/command/sdist.py
index 6026a7c2..0292efe2 100755
--- a/setuptools/command/sdist.py
+++ b/setuptools/command/sdist.py
@@ -142,9 +142,9 @@ class sdist(_sdist):
         ei_cmd = self.get_finalized_command('egg_info')
         self.filelist = ei_cmd.filelist
         self.filelist.append(os.path.join(ei_cmd.egg_info,'SOURCES.txt'))
-
+        self.check_readme()
         self.check_metadata()
-        self.make_distribution()        
+        self.make_distribution()
 
         dist_files = getattr(self.distribution,'dist_files',[])
         for file in self.archive_files:
@@ -162,3 +162,44 @@ class sdist(_sdist):
             sys.exc_info()[2].tb_next.tb_frame.f_locals['template'].close()
             raise
 
+    def check_readme(self):
+        alts = ("README", "README.txt")
+        for f in alts:
+            if os.path.exists(f):
+                return
+        else:
+            self.warn(
+                "standard file not found: should have one of " +', '.join(alts)
+            )
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