bpo-42066: CookieJar cookies should not be sorted

Lib/http/cookiejar.py

@@ -1216,14 +1216,9 @@ def path_return_ok(self, path, request):
         _debug("  %s does not path-match %s", req_path, path)
         return False
 
-def vals_sorted_by_key(adict):
-    keys = sorted(adict.keys())
-    return map(adict.get, keys)
-
 def deepvalues(mapping):
-    """Iterates over nested mapping, depth-first, in sorted order by key."""
-    values = vals_sorted_by_key(mapping)
-    for obj in values:
+    """Iterates over nested mapping, depth-first"""
+    for obj in list(mapping.values()):
         mapping = False
         try:
             obj.items

Lib/test/test_http_cookiejar.py

@@ -1251,11 +1251,11 @@ def test_Cookie_iterator(self):
                       r'port="90,100, 80,8080"; '
                       r'max-age=100; Comment = "Just kidding! (\"|\\\\) "')
 
-        versions = [1, 1, 1, 0, 1]
-        names = ["bang", "foo", "foo", "spam", "foo"]
-        domains = [".sol.no", "blah.spam.org", "www.acme.com",
-                   "www.acme.com", "www.acme.com"]
-        paths = ["/", "/", "/", "/blah", "/blah/"]
+        versions = [1, 0, 1, 1, 1]
+        names = ["foo", "spam", "foo", "foo", "bang"]
+        domains = ["blah.spam.org", "www.acme.com", "www.acme.com",
+                   "www.acme.com", ".sol.no"]
+        paths = ["/", "/blah", "/blah/", "/", "/"]
 
         for i in range(4):
             i = 0

Misc/NEWS.d/next/Library/2020-10-19-08-50-41.bpo-42066.DsB-R6.rst

@@ -0,0 +1,2 @@
+Fix cookies getting sorted in :func:`CookieJar.__iter__` which is an extra behavior and not mentioned in RFC 2965 or Netscape cookie protocol.
+Now the cookies in ``CookieJar`` follows the order of the ``Set-Cookie`` header. Patch by Iman Kermani.