Bug #1250170, Patch #1462230: handle socket.gethostname()

failures gracefully

Lib/mimetools.py

@@ -127,7 +127,10 @@ def choose_boundary():
     import time
     if _prefix is None:
         import socket
-        hostid = socket.gethostbyname(socket.gethostname())
+        try:
+            hostid = socket.gethostbyname(socket.gethostname())
+        except socket.gaierror:
+            hostid = '127.0.0.1'
         try:
             uid = repr(os.getuid())
         except AttributeError:

Lib/test/test_urllib2.py

@@ -349,13 +349,19 @@ class HandlerTests(unittest.TestCase):
         TESTFN = test_support.TESTFN
         urlpath = sanepathname2url(os.path.abspath(TESTFN))
         towrite = "hello, world\n"
-        for url in [
+        urls = [
             "file://localhost%s" % urlpath,
             "file://%s" % urlpath,
             "file://%s%s" % (socket.gethostbyname('localhost'), urlpath),
-            "file://%s%s" % (socket.gethostbyname(socket.gethostname()),
+            ]
-                             urlpath),
+        try:
-            ]:
+            localaddr = socket.gethostbyname(socket.gethostname())    
+        except socket.gaierror:
+            localaddr = ''
+        if localaddr:
+            urls.append("file://%s%s" % (localaddr, urlpath))
+            
+        for url in urls:
             f = open(TESTFN, "wb")
             try:
                 try:

Misc/NEWS

@@ -485,6 +485,9 @@ Extension Modules
 Library
 -------
 
+- Bug #1250170: mimetools now gracefully handles socket.gethostname()
+  failures gracefully.
+
 - patch #1457316: "setup.py upload" now supports --identity to select the
   key to be used for signing the uploaded code.