From: Gregory P. Smith <greg@krypto.org>
Date: Tue, 14 Apr 2015 17:02:20 +0000 (-0700)
Subject: issue22046: mention that zipfile can raise NotImplementedError on unsupported
X-Git-Tag: v3.5.0a4~56^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f2a448a66b94b25abd6c41cdc4c959fcda61eca3;p=python

issue22046: mention that zipfile can raise NotImplementedError on unsupported
compression algorithms.
---

diff --git a/Doc/library/zipfile.rst b/Doc/library/zipfile.rst
index f3e54ca922..ecb370b671 100644
--- a/Doc/library/zipfile.rst
+++ b/Doc/library/zipfile.rst
@@ -298,7 +298,11 @@ ZipFile Objects
    file in the archive, or a :class:`ZipInfo` object.  The archive must be open for
    read or append. *pwd* is the password used for encrypted  files and, if specified,
    it will override the default password set with :meth:`setpassword`.  Calling
-   :meth:`read` on a closed ZipFile  will raise a :exc:`RuntimeError`.
+   :meth:`read` on a closed ZipFile  will raise a :exc:`RuntimeError`. Calling
+   :meth:`read` on a ZipFile that uses a compression method other than
+   :const:`ZIP_STORED`, :const:`ZIP_DEFLATED`, :const:`ZIP_BZIP2` or 
+   :const:`ZIP_LZMA` will raise a :exc:`NotImplementedError`. An error will also
+   be raised if the corresponding compression module is not available.
 
 
 .. method:: ZipFile.testzip()