changeset:   103499:e84105b48436
branch:      2.7
parent:      103443:951f0de11a01
user:        Raymond Hettinger <python@rcn.com>
date:        Fri Sep 09 16:23:06 2016 -0700
files:       Lib/urllib.py Misc/NEWS
description:
Issue #22450: Use "Accept: */*" in the default headers for urllib


diff -r 951f0de11a01 -r e84105b48436 Lib/urllib.py
--- a/Lib/urllib.py	Fri Sep 09 12:25:27 2016 -0700
+++ b/Lib/urllib.py	Fri Sep 09 16:23:06 2016 -0700
@@ -138,7 +138,7 @@
         self.key_file = x509.get('key_file')
         self.cert_file = x509.get('cert_file')
         self.context = context
-        self.addheaders = [('User-Agent', self.version)]
+        self.addheaders = [('User-Agent', self.version), ('Accept', '*/*')]
         self.__tempfiles = []
         self.__unlink = os.unlink # See cleanup()
         self.tempcache = None
diff -r 951f0de11a01 -r e84105b48436 Misc/NEWS
--- a/Misc/NEWS	Fri Sep 09 12:25:27 2016 -0700
+++ b/Misc/NEWS	Fri Sep 09 16:23:06 2016 -0700
@@ -47,6 +47,10 @@
 - Issue #27570: Avoid zero-length memcpy() etc calls with null source
   pointers in the "ctypes" and "array" modules.
 
+- Issue #22450: urllib now includes an "Accept: */*" header among the
+  default headers.  This makes the results of REST API requests more
+  consistent and predictable especially when proxy servers are involved.
+
 - lib2to3.pgen3.driver.load_grammar() now creates a stable cache file
   between runs given the same Grammar.txt input regardless of the hash
   randomization setting.