From: Fred Drake <fdrake@acm.org>
Date: Tue, 19 May 1998 15:15:59 +0000 (+0000)
Subject: guess_extension():  Revise documentation string to be more clear.  If not
X-Git-Tag: v1.5.2a1~597
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=49413418582f1e2c94fc77275833cd83ea8bd6c9;p=python

guess_extension():  Revise documentation string to be more clear.  If not
	inited, call init().
---

diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index 6bc55ea46d..cb28afe2b6 100644
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -71,10 +71,13 @@ def guess_extension(type):
 
     Return value is a string giving a filename extension, including the
     leading dot ('.').  The extension is not guaranteed to have been
-    associated with any particular data stream, but has been known to be
-    used for streams of the MIME type given by `type'.  If `type' is not
-    known, None is returned.
+    associated with any particular data stream, but would be mapped to the
+    MIME type `type' by guess_type().  If no extension can be guessed for
+    `type', None is returned.
     """
+    global inited
+    if not inited:
+        init()
     type = string.lower(type)
     for ext, stype in types_map.items():
         if type == stype: