Index: setuptools/package_index.py
===================================================================
--- setuptools/package_index.py	(revision 60968)
+++ setuptools/package_index.py	(working copy)
@@ -749,7 +749,9 @@
         files = []
         for f in os.listdir(filename):
             if f=='index.html':
-                body = open(os.path.join(filename,f),'rb').read()
+                fp = open(os.path.join(filename,f),'rb')
+                body = fp.read()
+                fp.close()
                 break
             elif os.path.isdir(os.path.join(filename,f)):
                 f+='/'
Index: setuptools/command/egg_info.py
===================================================================
--- setuptools/command/egg_info.py	(revision 60968)
+++ setuptools/command/egg_info.py	(working copy)
@@ -444,6 +444,7 @@
             match = re.match(r"Version:.*-r(\d+)\s*$", line)
             if match:
                 return int(match.group(1))
+        f.close()
     return 0
 
 
Index: setuptools/command/upload.py
===================================================================
--- setuptools/command/upload.py	(revision 60968)
+++ setuptools/command/upload.py	(working copy)
@@ -80,7 +80,9 @@
                   dry_run=self.dry_run)
 
         # Fill in the data
-        content = open(filename,'rb').read()
+        f = open(filename,'rb')
+        content = f.read()
+        f.close()
         basename = os.path.basename(filename)
         comment = ''
         if command=='bdist_egg' and self.distribution.has_ext_modules():
Index: setuptools/command/easy_install.py
===================================================================
--- setuptools/command/easy_install.py	(revision 60968)
+++ setuptools/command/easy_install.py	(working copy)
@@ -781,7 +781,9 @@
             if locals()[name]:
                 txt = os.path.join(egg_tmp, 'EGG-INFO', name+'.txt')
                 if not os.path.exists(txt):
-                    open(txt,'w').write('\n'.join(locals()[name])+'\n')
+                    f = open(txt,'w')
+                    f.write('\n'.join(locals()[name])+'\n')
+                    f.close()
 
     def check_conflicts(self, dist):
         """Verify that there are no conflicting "old-style" packages"""
@@ -1076,7 +1078,9 @@
 
         if os.path.exists(sitepy):
             log.debug("Checking existing site.py in %s", self.install_dir)
-            current = open(sitepy,'rb').read()
+            f = open(sitepy,'rb')
+            current = f.read()
+            f.close()
             if not current.startswith('def __boot():'):
                 raise DistutilsError(
                     "%s is not a setuptools-generated site.py; please"
@@ -1327,7 +1331,8 @@
         saw_import = False
         seen = {}
         if os.path.isfile(self.filename):
-            for line in open(self.filename,'rt'):
+            f = open(self.filename,'rt')
+            for line in f:
                 if line.startswith('import'):
                     saw_import = True
                     continue
@@ -1345,6 +1350,7 @@
                     self.dirty = True   # we cleaned up, so we're dirty now :)
                     continue
                 seen[path] = 1
+            f.close()
 
         if self.paths and not saw_import:
             self.dirty = True   # ensure anything we touch has import wrappers
Index: pkg_resources.py
===================================================================
--- pkg_resources.py	(revision 60968)
+++ pkg_resources.py	(working copy)
@@ -1453,7 +1453,10 @@
 
     def get_metadata(self,name):
         if name=='PKG-INFO':
-            return open(self.path,'rU').read()
+            f = open(self.path,'rU')
+            metadata = f.read()
+            f.close()
+            return metadata
         raise KeyError("No metadata except PKG-INFO is available")
 
     def get_metadata_lines(self,name):