diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 15a8c4c..7f93b68 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -609,7 +609,7 @@
 
 class PyZipFileTests(unittest.TestCase):
     def test_write_pyfile(self):
-        with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
+        with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             fn = __file__
             if fn.endswith('.pyc') or fn.endswith('.pyo'):
                 path_split = fn.split(os.sep)
@@ -627,7 +627,7 @@
             self.assertTrue(bn + 'o' in zipfp.namelist() or
                             bn + 'c' in zipfp.namelist())
 
-        with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
+        with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             fn = __file__
             if fn.endswith(('.pyc', '.pyo')):
                 fn = fn[:-1]
@@ -643,7 +643,7 @@
         import email
         packagedir = os.path.dirname(email.__file__)
 
-        with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
+        with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             zipfp.writepy(packagedir)
 
             # Check for a couple of modules at different levels of the
@@ -666,26 +666,25 @@
             with open(os.path.join(TESTFN2, "mod2.txt"), "w") as fp:
                 fp.write("bla bla bla\n")
 
-            zipfp  = zipfile.PyZipFile(TemporaryFile(), "w")
-            zipfp.writepy(TESTFN2)
+            with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
+                zipfp.writepy(TESTFN2)
 
-            names = zipfp.namelist()
-            self.assertTrue('mod1.pyc' in names or 'mod1.pyo' in names)
-            self.assertTrue('mod2.pyc' in names or 'mod2.pyo' in names)
-            self.assertNotIn('mod2.txt', names)
+                names = zipfp.namelist()
+                self.assertTrue('mod1.pyc' in names or 'mod1.pyo' in names)
+                self.assertTrue('mod2.pyc' in names or 'mod2.pyo' in names)
+                self.assertNotIn('mod2.txt', names)
 
         finally:
             shutil.rmtree(TESTFN2)
 
     def test_write_non_pyfile(self):
-        with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
+        with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
             with open(TESTFN, 'w') as f:
                 f.write('most definitely not a python file')
             self.assertRaises(RuntimeError, zipfp.writepy, TESTFN)
             os.remove(TESTFN)
 
 
-
 class OtherTests(unittest.TestCase):
     zips_with_bad_crc = {
         zipfile.ZIP_STORED: (
diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index eec8ece..bfe41b7 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -897,10 +897,8 @@
         # given a file object in the constructor
         if self._filePassed:
             zef_file = self.fp
-            should_close = False
         else:
             zef_file = io.open(self.filename, 'rb')
-            should_close = True
 
         # Make sure we have an info object
         if isinstance(name, ZipInfo):
@@ -908,8 +906,12 @@
             zinfo = name
         else:
             # Get info object for name
-            zinfo = self.getinfo(name)
-
+            try:
+                zinfo = self.getinfo(name)
+            except KeyError:
+                if not self._filePassed:
+                    zef_file.close()
+                raise
         zef_file.seek(zinfo.header_offset, 0)
 
         # Skip the file header:
@@ -923,6 +925,8 @@
             zef_file.read(fheader[_FH_EXTRA_FIELD_LENGTH])
 
         if fname != zinfo.orig_filename.encode("utf-8"):
+            if not self._filePassed:
+                zef_file.close()
             raise BadZipFile(
                   'File name in directory %r and header %r differ.'
                   % (zinfo.orig_filename, fname))
@@ -934,6 +938,8 @@
             if not pwd:
                 pwd = self.pwd
             if not pwd:
+                if not self._filePassed:
+                    zef_file.close()
                 raise RuntimeError("File %s is encrypted, "
                                    "password required for extraction" % name)
 
@@ -952,9 +958,12 @@
                 # compare against the CRC otherwise
                 check_byte = (zinfo.CRC >> 24) & 0xff
             if h[11] != check_byte:
+                if not self._filePassed:
+                    zef_file.close()
                 raise RuntimeError("Bad password for file", name)
 
-        return  ZipExtFile(zef_file, mode, zinfo, zd, close_fileobj=should_close)
+        return ZipExtFile(zef_file, mode, zinfo, zd,
+                          close_fileobj=not self._filePassed)
 
     def extract(self, member, path=None, pwd=None):
         """Extract a member from the archive to the current working directory,