diff -r a85606b6de32 Doc/library/zipfile.rst
--- a/Doc/library/zipfile.rst	Mon Apr 14 14:32:20 2014 -0400
+++ b/Doc/library/zipfile.rst	Mon Apr 14 18:50:32 2014 -0400
@@ -196,7 +196,6 @@
 
    Return a list of archive members by name.
 
-
 .. index::
    single: universal newlines; zipfile.ZipFile.open method
 
@@ -256,6 +255,11 @@
       characters (``:``, ``<``, ``>``, ``|``, ``"``, ``?``, and ``*``)
       replaced by underscore (``_``).
 
+   .. note::
+
+      File permissions are not passed to the extracted file. The extracted
+      file will use the users umask instead of the source files permissions.
+
 
 .. method:: ZipFile.extractall(path=None, members=None, pwd=None)
 
@@ -272,6 +276,10 @@
       dots ``".."``.  This module attempts to prevent that.
       See :meth:`extract` note.
 
+   .. note::
+
+      File permissions are not passed to the extracted file. The extracted
+      file will use the users umask instead of the source files permissions.
 
 .. method:: ZipFile.printdir()
 
@@ -349,6 +357,15 @@
       member of the given :class:`ZipInfo` instance.  By default, the
       :class:`ZipInfo` constructor sets this member to :const:`ZIP_STORED`.
 
+   .. note::
+      
+      The compressed file permissions will default to 0600 unless 
+      ZipInfo.external_attr is set before ZipFile.writestr is called.
+
+      example:
+
+      ZipInfo.external_attr = 0777 << 16L #give full access to zipped file.
+
    .. versionchanged:: 3.2
       The *compress_type* argument.
 
diff -r a85606b6de32 Lib/zipfile.py
--- a/Lib/zipfile.py	Mon Apr 14 14:32:20 2014 -0400
+++ b/Lib/zipfile.py	Mon Apr 14 18:50:32 2014 -0400
@@ -1218,6 +1218,8 @@
            using its full name. Its file information is extracted as accurately
            as possible. `member' may be a filename or a ZipInfo object. You can
            specify a different directory using `path'.
+
+	   Ignores target files permissions, uses user umask.
         """
         if not isinstance(member, ZipInfo):
             member = self.getinfo(member)
@@ -1232,6 +1234,8 @@
            directory. `path' specifies a different directory to extract to.
            `members' is optional and must be a subset of the list returned
            by namelist().
+
+	   Ignores target files permissions, uses user umask.
         """
         if members is None:
             members = self.namelist()
@@ -1257,6 +1261,8 @@
     def _extract_member(self, member, targetpath, pwd):
         """Extract the ZipInfo object 'member' to a physical
            file on the path targetpath.
+
+	   Ignores target files permissions, uses user umask.
         """
         # build the destination pathname, replacing
         # forward slashes to platform specific separators.
@@ -1405,7 +1411,12 @@
         may be either a 'str' or a 'bytes' instance; if it is a 'str',
         it is encoded as UTF-8 first.
         'zinfo_or_arcname' is either a ZipInfo instance or
-        the name of the file in the archive."""
+        the name of the file in the archive.
+
+	The compressed file permissions default to 0600 unless
+	ZipInfo.external_attr is set before ZipFile.writerstr is
+	called.
+	"""
         if isinstance(data, str):
             data = data.encode("utf-8")
         if not isinstance(zinfo_or_arcname, ZipInfo):