FetchTask: randomize thirdpartymirrors

diff --git a/pym/portage/_emirrordist/FetchTask.py b/pym/portage/_emirrordist/FetchTask.py
index 61b567bf6cb2de3ace38e749225135fed160469e..50e4242896a0a46c2b88d11ed2a6f5e522e42af0 100644 (file)
--- a/pym/portage/_emirrordist/FetchTask.py
+++ b/pym/portage/_emirrordist/FetchTask.py
@@ -4,6 +4,7 @@
 import collections
 import errno
 import logging
+import random
 import stat
 import subprocess
 import sys
@@ -206,7 +207,12 @@ class FetchTask(CompositeTask):
                slash_index = uri.find("/", 9)
                if slash_index != -1:
                        mirror_name = uri[9:slash_index].strip("/")
-                       for mirror in mirrors_dict.get(mirror_name, []):
+                       mirrors = mirrors_dict.get(mirror_name)
+                       if not mirrors:
+                               return
+                       mirrors = list(mirrors)
+                       while mirrors:
+                               mirror = mirrors.pop(random.randint(0, len(mirrors) - 1))
                                yield mirror.rstrip("/") + "/" + uri[slash_index+1:]
 
        def _try_next_mirror(self):